CN208218084U - A kind of combined tube rolling device - Google Patents
A kind of combined tube rolling device Download PDFInfo
- Publication number
- CN208218084U CN208218084U CN201820462157.XU CN201820462157U CN208218084U CN 208218084 U CN208218084 U CN 208218084U CN 201820462157 U CN201820462157 U CN 201820462157U CN 208218084 U CN208218084 U CN 208218084U
- Authority
- CN
- China
- Prior art keywords
- rolling device
- tube rolling
- main shaft
- support construction
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The utility model discloses a kind of combined tube rolling device, including the first tube rolling device and the second tube rolling device, connection is detachably secured between the head of the main shaft of the tail portion of the main shaft of first tube rolling device and second tube rolling device.Combined tube rolling device described in the utility model, by the way that the main shaft of the first tube rolling device and the main shaft of the second tube rolling device are joined end to end, to be effectively saved the volume of tube rolling device in the axial direction, keep the structure of combined tube rolling device more compact small and exquisite, amount of parts is reduced, and whole weight and cost is effectively reduced.
Description
Technical field
The utility model relates to winder or tube rolling device technical fields, it particularly relates to a kind of combined tube rolling device.
Background technique
Tube rolling device is also known as winder, winder, reel, rolling drum.As the term suggests just pipe or line are wound on an axis, letter
It is single practical, it is widely used in workplaces such as various production assembly shops, maintenance shop, car detailing shop, the shops automobile 4S.Volume
The user of pipe device maintenance operation and automotive safety production.In many automotive service equipements.A variety of different pipe crimpings
Device can transmit electricity, compressed air, cold water, warm water, machine oil and oxy-acetylene etc. respectively, and basic structure is by backrush spring, rolling
The composition such as cylinder, rotation axis, positioning device, hose or electric wire are mounted on tube rolling device.
Transporting hose and electric wire are the production commonly used transmission bodies in numerous places such as assembly shop and maintenance work, but are used
After housekeeping it is time-consuming and laborious.It can free extension within the specified scope using tube rolling device.Additionally, it is contemplated that ground cloth
It sets, the limitation of personnel depaly, space can be made full use of using tube rolling device, improve the environment of Work places.Hose or electric wire
Tube rolling device preservation is wound back after use, will not be damaged, so as to extend the service life of hose or electric wire.
Currently, tube rolling device in the market is mainly single type tube rolling device, a kind of hose or electric wire may only be wound.Single
On the basis of tube rolling device, in order to meet the occasion for needing to convey a variety of media, prior art also teaches knockdown tube rolling devices.
For example, the Chinese patent that Authorization Notice No. is CN203667732U just proposes a kind of high pressure combination tube rolling device, structure such as Fig. 6
It is shown.
Fig. 6 is the perspective view of high pressure combination tube rolling device in the prior art.
As shown in fig. 6, high pressure combination tube rolling device 1 in the prior art includes big shell 100, it is equipped in big shell 100
Multiple tube rolling devices 101, the two sides of each tube rolling device 101 are respectively arranged a support construction 102, are used to support and fix tube rolling device
101 main shaft.
As shown in fig. 6, simply multiple tube rolling devices are placed in one big shell in the prior art.The high pressure of this structure
Combination tube rolling device occupied space is big, heavy, structure is not compact enough, unlike multiple tube rolling device lists in volume, weight and cost
Solely using more excellent.
Against the above technical problems, there is no effective solution scheme still at present.
Utility model content
Against the above technical problems, the utility model proposes a kind of combined tube rolling devices, with compact structure, volume
Small, light weight and cost is low.
For the object above for realizing the utility model, the combined tube rolling device of the utility model includes at least the first pipe crimping
With can between the head of the main shaft of device and the second tube rolling device, the tail portion of the main shaft of first tube rolling device and second tube rolling device
The mode of disassembly is fixedly connected.
Preferably, the tail portion of the main shaft of first tube rolling device includes the interconnecting piece that section is hexagon, the volume Two
The head of the main shaft of pipe device includes the connecting groove that shape is matched with the interconnecting piece, the tail of the main shaft of first tube rolling device
The interconnecting piece in portion is inserted into the connecting groove on the head of the main shaft of second tube rolling device.
Preferably, combined tube rolling device further includes the shell for accommodating first tube rolling device and second tube rolling device.
Preferably, between first tube rolling device and second tube rolling device be equipped with the first support construction, described first
Support structure is fixedly attached to the shell, and the tail portion of the main shaft of first tube rolling device is supported by first support construction.
Preferably, between first tube rolling device and second tube rolling device be equipped with the first support construction, described first
Support structure is fixedly attached to the shell, and the head of the main shaft of second tube rolling device is supported by first support construction.
Preferably, the second support construction, second support construction are equipped between first tube rolling device and the shell
It is fixedly attached to the shell, the head of the main shaft of first tube rolling device is supported by second support construction.
Preferably, third support construction, the third support construction are equipped between second tube rolling device and the shell
It is fixedly attached to the shell, the tail portion of the main shaft of second tube rolling device is supported by the third support construction.
Preferably, first support construction, second support construction and the third support construction are lifted on described
On shell.
Preferably, the shell includes the mounting plate for being set to the cover top portion, first support construction, described
Two support constructions and the third support construction are fixed on the mounting plate.
Preferably, first tube rolling device is wire type tube rolling device, and second tube rolling device is hose tube rolling device.
The utility model has the beneficial effects that combined tube rolling device described in the utility model, by by the first tube rolling device
The main shaft of main shaft and the second tube rolling device joins end to end, to be effectively saved the volume of tube rolling device in the axial direction, makes combined volume
The structure of pipe device is more compact small and exquisite, and amount of parts is reduced, and whole weight and cost is effectively reduced.
Detailed description of the invention
Fig. 1 is the first tube rolling device of the combined tube rolling device of the utility model and the perspective view of the second tube rolling device；
Fig. 2 be in the combined tube rolling device of the utility model the main shaft of the main shaft of the first tube rolling device and the second tube rolling device not
Perspective view under connection status；
Fig. 3 is that the main shaft of the main shaft of the first tube rolling device and the second tube rolling device is connecting in the combined tube rolling device of the utility model
Connect the perspective view under state；
Fig. 4 is the cross-sectional view of the combined tube rolling device of the utility model；
Fig. 5 is the stereogram exploded view of the combined tube rolling device of the utility model；
Fig. 6 is the perspective view of high pressure combination tube rolling device in the prior art.
1. high pressure combines tube rolling device；100. big shell；101. tube rolling device；102. support construction；
2. combined tube rolling device；
21. the first tube rolling device；22. the second tube rolling device；23. the first support construction；24. the second support construction；25. elasticity
Part；26. third support construction；27. first transmission line；28. second transmission line；
The main shaft of 211. first tube rolling devices；212. first backrush springs；213. first rollers；214. snap；211a. the
The tail portion of the main shaft of one tube rolling device；
The main shaft of 221. second tube rolling devices；222. second backrush springs；223. second tin roller；The second tube rolling device of 221a.
The tail portion of main shaft；The head of the main shaft of the second tube rolling device of 221b.
231. connecting hole；241. second connecting holes；261. third connecting holes；
2111. interconnecting piece；2112. retainer ring；2211. connecting groove；
30. shell；31. the first shell；32. second housing；33. mounting plate；
311. first shell apertures；321. second housing holes.
Specific embodiment
Hereinafter, being illustrated in conjunction with attached drawing to the embodiments of the present invention.It is to be appreciated that the following contents is only this reality
With novel section Example, it is based on the technical solution of the utility model, the various modifications and change that those skilled in the art carry out
More belong to the range of the technical solution of the utility model.
Fig. 1 is the perspective view with the second tube rolling device of the first tube rolling device of the combined tube rolling device of the utility model.
As shown in Figure 1, the combined tube rolling device 2 of the utility model includes the first tube rolling device 21 and the second tube rolling device 22.
First tube rolling device 21, substantially in disk form, first transmission line 27 is wrapped on the first tube rolling device 21, uses first
When transmission line 27, first transmission line 27 is pulled to drive the rotation of the first tube rolling device 21, to release longer first transmission line 27.
Second tube rolling device 22, substantially in disk form, second transmission line 28 is wrapped on the second tube rolling device 22, uses second
When transmission line 28, second transmission line 28 is pulled to drive the rotation of the second tube rolling device 22, to release longer second transmission line 28.
The main shaft of first tube rolling device 21 is detachably secured with the main shaft of the second tube rolling device 22 and connect, this makes
The distance between one tube rolling device 21 and the second tube rolling device 22 shorten, and the first tube rolling device 21 and the second tube rolling device 22 are compactly arranged side by side
Arrangement.Therefore, combined tube rolling device 2 is small in size, compact-sized, occupies little space.
First tube rolling device 21 is connect with the second tube rolling device 22 by main shaft, is independent of each other between two tube rolling devices, Ke Yidan
Solely work, can also work at the same time.
For example, the first tube rolling device 21 is electricity for rolling up hose, first transmission line 27 for rolling up electric wire, the second tube rolling device 22
Line, for transmitting electric power, second transmission line 28 is hose, for conveying tangible media (for example, water, air, machine oil, oxy-acetylene
Deng).
Fig. 2 be in the combined tube rolling device of the utility model the main shaft of the main shaft of the first tube rolling device and the second tube rolling device not
Perspective view under connection status.
As shown in Fig. 2, the tail portion 211a of main shaft 211 includes the interconnecting piece 2111 that section is hexagon, the head of main shaft 221
221b includes the connecting groove 2211 that shape is matched with interconnecting piece 2111.The interconnecting piece 2111 of main shaft 211 is inserted into main shaft 221
Connecting groove 2211 so that the main shaft 211 of the first tube rolling device 21 is fixedly connected with the main shaft 221 of the second tube rolling device 22.In master
In the state that axis 211 is connect with main shaft 221, the side wall of interconnecting piece 2111 and the inner sidewall of connecting groove 2211 are fitted closely.By
There are multiple ribs in interconnecting piece 2111, be inserted into connecting groove 2211, main shaft 211 is not able to rotate relative to main shaft 221, and the two is steady
Surely it is firmly attached.
In the present embodiment, the interconnecting piece 2111 of main shaft 211 can be the structure with 211 one of main shaft, be also possible to
Hex nut on the tail portion 211a of main shaft 211 is set.When the interconnecting piece 2111 of main shaft 211 is hex nut, main shaft 211
Tail portion 211a be equipped with screw thread, interconnecting piece 2111 is threadedly connected on the tail portion 211a of main shaft 211.
Fig. 3 is the schematic diagram under main shaft 211 and 221 connection status of main shaft.
As shown in figure 3, the tail portion 211a of main shaft 211 is inserted into the head 221b of main shaft 221, so that main shaft 211 and main shaft
221 are fixedly connected, and are unable to relative rotation.Main shaft 211 can be separated with main shaft 221 by way of plug.
Fig. 4 is the cross-sectional view of the combined tube rolling device of the utility model.
As shown in figure 4, combined tube rolling device 2 further includes shell 30, the first tube rolling device 21 and the second tube rolling device 22 are accommodated.Outside
Shell 30 plays a protective role to the first tube rolling device 21 and the second tube rolling device 22, and improves the appearance of combined tube rolling device.
First tube rolling device 21 includes the first backrush spring 212, the main shaft 211 of the first tube rolling device 21, the first roller 213.The
One roller 213 is mounted on the main shaft 211 of the first tube rolling device 21, the main shaft 211 of the first roller 213 and the first tube rolling device 21 it
Between be equipped with the first backrush spring 212, pull out volume in the first transmission line 27 on the first tube rolling device 21,27 bands when first transmission line
Dynamic first roller 213 rotation, so that the first backrush spring 212 be made to generate elastic deformation；After 27 when unclamping first transmission line, first
Roller 213 rotates under the elastic force effect of the first backrush spring 212, and when first transmission line 27 are packed up.
Similarly, the second tube rolling device 22 includes main shaft 221, the second tin roller of the second backrush spring 222, the second tube rolling device 22
223.Second tin roller 223 is mounted on the main shaft 221 of the second tube rolling device 22, the main shaft of second tin roller 223 and the second tube rolling device 22
It is equipped with the second backrush spring 222 between 221, pulls out volume in the second transmission line 28 on the second tube rolling device 22, second transmission line
28 drive second tin roller 223 to rotate, so that the second backrush spring 222 be made to generate elastic deformation；After unclamping second transmission line 28,
Second tin roller 223 rotates under the elastic force effect of the second backrush spring 222, and when second transmission line 28 are packed up.
First tube rolling device 21 and the second tube rolling device 22 in the assembled state, the first internal backrush spring 212 and second time
Coil spring 222 needs to carry out pre-screwing, makes the first backrush spring 212 and the second backrush spring 222 to the first roller 213 and second
Roller 223 applies certain power (operation is also referred to as energetically).By taking the first tube rolling device 21 as an example, first in the first tube rolling device 21
212 innermost circle of backrush spring is connect by snap 214 with main shaft 211, therefore rotating main shaft 211 can be with pre-screwing the first backrush bullet
Spring 212.
The main shaft of combination tube rolling device in the prior art is separation, therefore is needed in pre-screwing to each tube rolling device
Main shaft is operated respectively.In the present embodiment, main shaft 211 is connect after finishing with main shaft 221, is operated one of main
Axis can drive another main shaft, be completed at the same time the pre-screwing operation of two tube rolling devices, simplify production and maintenance operation, save
Operating time.
Fig. 5 is the stereogram exploded view of the combined tube rolling device of the utility model.
As shown in figure 5, shell 30 includes the first shell 31 and second housing 32, the first shell 31 and second housing 32
Edge is fixed together by screw and nut.
The first support construction 23 is equipped between first tube rolling device 21 and the second tube rolling device 22, the first support construction 23 is fixed to be connected
It is connected to shell 30, the tail portion 211a of the main shaft 211 of the first tube rolling device 21 is supported by the first support construction 23.Alternatively, the second pipe crimping
The head 221b (being not shown in Fig. 5, can refer to Fig. 2, Fig. 3) of the main shaft 221 of device 22 is supported by the first support construction 23.
Shell 30 is connect by the first support construction 23 with main shaft 211 or main shaft 221, can support 21 He of the first tube rolling device simultaneously
Second tube rolling device 22.
The combination tube rolling device of the prior art is separated from each other between main shaft, so needing to be equipped with a support for each main shaft
Structure.In the present embodiment, since main shaft 211 and main shaft 221 link together, the first tube rolling device 21 and the second pipe crimping
The main shaft 211 and main shaft 221 of device 22 can share same first support construction 23, therefore can cut down component, mitigate weight,
Reduce cost.
Offer connecting hole 231 in first support construction 23, main shaft 211 be equipped with retainer ring 2112 (be not shown in Fig. 5, can
Referring to Fig. 2).In the present embodiment, retainer ring 2112 is the washer being set on main shaft 211.The tail portion 211a of main shaft 211 is worn
In the state that the connecting hole 231 crossed in the first support construction 23 is connect with main shaft 221, retainer ring 2112 is located in connecting hole 231, leads to
It crosses elastic component 25 to compress retainer ring 2112 in connecting hole 231, to reinforce the company between main shaft 211 and the first support construction 23
It connects.Elastic component 25 can be circlip or elastic rubber ring etc..
It is between hex nut and main shaft 211 to install in the case where being threadedly coupled in the interconnecting piece 2111 of main shaft 211
The process of first support construction 23 is as follows: retainer ring 2112 being set on main shaft 211 first, then passes through elastic component 25 for retainer ring
2112 are mounted in connecting hole 231, are then screwed in interconnecting piece 2111 on the screw thread being arranged on the tail portion 211a of main shaft 211, most
Afterwards, interconnecting piece 2111 and connecting groove 2211 are linked together, completes installation.
The second support construction 24 is equipped between first tube rolling device 21 and the first shell 31, the second support construction 24 is fixedly connected
To shell 30, the head of the main shaft 211 of the first tube rolling device 21 is supported by the second support construction 24.Second support construction 24 and first
Support construction 23 matches, and respectively from the first tube rolling device 21 of the fixed support in 21 two sides of the first tube rolling device, makes the first tube rolling device 21
Stablize support.
Third support construction 26, the main shaft 221 of the second tube rolling device 22 are equipped between second tube rolling device 22 and second housing 32
Tail portion 221a supported by third support construction 26.Third support construction 26 is matched with the first support construction 23, respectively from
The second tube rolling device 22 of the fixed support in two tube rolling devices, 22 two sides, make the second tube rolling device 22 stablizes support.
As described above, between two tube rolling devices only need three support constructions be just enough to provide two tube rolling devices it is stable
Support.
First support construction 23, the second support construction 24 and third support construction 26 are lifted on shell 30.Therefore, may be used
To save pedestal in the prior art, it is further reduced component, save the cost.
As shown in figure 5, shell 30 includes the mounting plate 33 for being set to 30 top of the shell, the first support construction 23, the
The top of two support constructions 24 and third support construction 26 is fixed on mounting plate 33.Due to the first support construction 23, second
Support structure 24 and third support construction 26 are installed on mounting plate 33, can be convenient maintenance and maintenance.
As shown in figure 5, offering the second connecting hole 241 in the second support construction 24, first is offered on the first shell 31
Shell aperture 311, the head of main shaft 211 sequentially pass through the second connecting hole 241 and the first shell aperture 311, in this way, 31 He of the first shell
Second support construction 24 plays support fixed function to main shaft 211 simultaneously, makes the more stable of the first tube rolling device 21.
As shown in figure 5, third support construction 26 offers third connecting hole 261, offered outside second on second housing 32
The tail portion 221a of housing hole 321, main shaft 221 sequentially passes through third connecting hole 261 and second housing hole 321, in this way, second housing
32 and third support construction 26 simultaneously support fixed function is played to main shaft 221, make the more stable of the second tube rolling device 22.
First tube rolling device 21 and the second tube rolling device 22 can be wire type tube rolling device, can be hose tube rolling device,
It can another be hose tube rolling device using one of them as wire type tube rolling device.
In the accompanying drawings, the first tube rolling device 21 is wire type tube rolling device, and the second tube rolling device 22 is hose tube rolling device.
In the embodiment above, combination tube rolling device includes 22 two tube rolling devices of the first tube rolling device 21 and the second tube rolling device, but
The utility model is not limited to above embodiments, and three or three or more tube rolling devices, each pipe crimping can also be arranged in combination tube rolling device
Head and the tail connection between the main shaft of device reduces part to save space, and save the cost is realized to the outermost of combination tube rolling device
The main shaft of the tube rolling device of side carries out pre-screwing operation can drive the main shaft of other tube rolling devices simultaneously, be completed at the same time three or three
The pre-screwing operation of a above tube rolling device, to improve efficiency.In addition, sharing a support knot between every two tube rolling device
Structure, in this way, combination tube rolling device structure is more compact.
The above is only the preferred embodiments of the utility model, are not intended to limit the protection scope of the utility model, all in this reality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
Claims (10)
1. a kind of combined tube rolling device, which is characterized in that include at least the first tube rolling device and the second tube rolling device, first pipe crimping
Connection is detachably secured between the head of the main shaft of the tail portion of the main shaft of device and second tube rolling device.
2. combined tube rolling device according to claim 1, which is characterized in that wrap the tail portion of the main shaft of first tube rolling device
The interconnecting piece that section is hexagon is included, the head of the main shaft of second tube rolling device includes that shape is matched with the interconnecting piece
Connecting groove,
The interconnecting piece of the tail portion of the main shaft of first tube rolling device is inserted into the connection on the head of the main shaft of second tube rolling device
Groove.
3. combined tube rolling device according to claim 1, which is characterized in that further include accommodating first tube rolling device and institute
State the shell of the second tube rolling device.
4. combined tube rolling device according to claim 3, which is characterized in that
The first support construction is equipped between first tube rolling device and second tube rolling device,
First support construction is fixedly attached to the shell,
The tail portion of the main shaft of first tube rolling device is supported by first support construction.
5. combined tube rolling device according to claim 3, which is characterized in that
The first support construction is equipped between first tube rolling device and second tube rolling device,
First support construction is fixedly attached to the shell,
The head of the main shaft of second tube rolling device is supported by first support construction.
6. combined tube rolling device according to claim 5, which is characterized in that between first tube rolling device and the shell
Equipped with the second support construction,
Second support construction is fixedly attached to the shell,
The head of the main shaft of first tube rolling device is supported by second support construction.
7. combined tube rolling device according to claim 6, which is characterized in that between second tube rolling device and the shell
Equipped with third support construction,
The third support construction is fixedly attached to the shell,
The tail portion of the main shaft of second tube rolling device is supported by the third support construction.
8. combined tube rolling device according to claim 7, which is characterized in that first support construction, second described
Support structure and third support construction lifting are on the housing.
9. combined tube rolling device according to claim 8, which is characterized in that
The shell includes the mounting plate for being set to the cover top portion,
First support construction, second support construction and the third support construction are fixed on the mounting plate.
10. combined tube rolling device according to claim 1, which is characterized in that first tube rolling device is wire type pipe crimping
Device, second tube rolling device are hose tube rolling device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462157.XU CN208218084U (en) | 2018-03-30 | 2018-03-30 | A kind of combined tube rolling device |
| JP2018002369U JP3217870U (en) | 2018-03-30 | 2018-06-25 | Unit reel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462157.XU CN208218084U (en) | 2018-03-30 | 2018-03-30 | A kind of combined tube rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208218084U true CN208218084U (en) | 2018-12-11 |
Family
ID=63444138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820462157.XU Active CN208218084U (en) | 2018-03-30 | 2018-03-30 | A kind of combined tube rolling device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3217870U (en) |
| CN (1) | CN208218084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550508A (en) * | 2019-09-30 | 2019-12-10 | 湖南奇思环保设备制造有限公司 | Duplex pipe winder |
-
2018
- 2018-03-30 CN CN201820462157.XU patent/CN208218084U/en active Active
- 2018-06-25 JP JP2018002369U patent/JP3217870U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550508A (en) * | 2019-09-30 | 2019-12-10 | 湖南奇思环保设备制造有限公司 | Duplex pipe winder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3217870U (en) | 2018-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102734091B (en) | Driver system for wind turbine | |
| CN208218084U (en) | A kind of combined tube rolling device | |
| SG159449A1 (en) | Spool shaft support structure for dual-bearing reel | |
| CN202914590U (en) | Motor pneumatic braking machine | |
| NZ550004A (en) | Direct drive hose reel assembly with integrated frame, bearing assembly, gear box and drive unit housing | |
| CN104696195A (en) | Noise-reducing vibration-attenuating piston type compressor | |
| US9656833B2 (en) | Modular direct drive system for powered hose reels | |
| CN204732999U (en) | The indoor apparatus of air conditioner of a kind of external rotor electric machine and application thereof | |
| CN102506104A (en) | Braking main cylinder provided with oil cup, fixing seat on cylinder body and center valve | |
| CN101481057B (en) | Tube rolling device | |
| CN201165436Y (en) | Bobbin clamping head shaft of winding machine | |
| CN207567549U (en) | A kind of bar-shaped object spiral winding device | |
| CN106640589A (en) | Portable four-cylinder direct-drive air compressor | |
| CN202834416U (en) | Spring hanger | |
| CN202371062U (en) | Brake master cylinder provided with oil cup, fixed seat on cylinder body and central valve | |
| CN105909489A (en) | Two-stage compressor | |
| CN107933978B (en) | A kind of carrier rocket rotation retaining mechanism | |
| CN219282285U (en) | Pneumatic drum brake | |
| CN202416813U (en) | Novel roller frame | |
| CN115320775B (en) | Outer rotor type hub motor and two-wheel electric balance car | |
| CN209604184U (en) | A kind of double starters of flashlight | |
| CN205298438U (en) | A belt tight pulley that rises for car transmission system | |
| CN219531312U (en) | Portable vehicle-mounted refrigerator | |
| CN211663220U (en) | Pneumatic brake system | |
| CN103470522A (en) | Automobile water tank electronic fan cooling pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |