CN202284630U - Four-connecting rod mechanism, supporting device and ultrasonic diagnostic apparatus thereof - Google Patents
Four-connecting rod mechanism, supporting device and ultrasonic diagnostic apparatus thereof Download PDFInfo
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- CN202284630U CN202284630U CN2011203730953U CN201120373095U CN202284630U CN 202284630 U CN202284630 U CN 202284630U CN 2011203730953 U CN2011203730953 U CN 2011203730953U CN 201120373095 U CN201120373095 U CN 201120373095U CN 202284630 U CN202284630 U CN 202284630U
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- connecting rod
- crank mechanism
- quadratic crank
- sidewall
- limiting stopper
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Abstract
The utility model discloses a four-connecting rod mechanism, a supporting device and an ultrasonic diagnostic apparatus thereof. The four-connecting rod mechanism comprises a base, a footstock, a first connecting rod and a second connecting rod, wherein both ends of the base are respectively and rotatablely connected with the first ends of the first connecting rod and the second connecting rod; both ends of the footstock are respectively and rotatablely connected with the second ends of the first connecting rod and the second connecting rod; the first connecting rod is provided with a first surface facing the second connecting rod; the second connecting rod is provided with a second surface facing the first connecting rod; the four-connecting rod mechanism is also provided with a limit component; the limit component comprises a limit block which can be converted between a first state and a second state; when the limit block is converted to the first state, at least one part of the limit block extends between the first surface and the second surface; and the limit block deviates from the position between the first surface and the second surface when being converted to the second state. The four-connecting rod mechanism, the supporting device and the ultrasonic diagnostic apparatus thereof have both operating comfortableness and convenience in packaging transportation, therefore, the actual demand of operating personnel is met.
Description
Technical field
The utility model relates to medical field, relates in particular to a kind of quadratic crank mechanism, a kind of support device and diasonograph thereof.
Background technique
The diasonograph that diasonograph etc. have display device utilizes support device that display device is supported usually.These diasonographs in use, based on the needs of aspects such as operation, diagnosis, treatment, operator are the position through adjustable support device conversion display device sometimes, for example makes display device within the specific limits along front and back or the short transverse swing; In addition, when these diasonographs are carried out packed and transported,, should reduce its height as much as possible through the adjustable support device, to dwindle overall volume based on saving cost of transportation and the needs that make things convenient for the bare machine transportation.
Existing support device utilizes one group or the position of organizing the common quadratic crank mechanism adjusting display device that links to each other usually.Yet; Common quadratic crank mechanism only adopts four rotating pins that four connecting rods are connected from beginning to end and constitutes; Its activity regulation range depends on the length and the angle of swing of connecting rod; The amplitude of fluctuation of for example regulating forward or backward is excessive, will reduce operator's comfort level and feel, thereby operability is bad; If the amplitude of fluctuation of regulating forward or backward is too small then can increase its minimum altitude, the volume that makes support device big and inconvenience packing and transportation, at present, most of support devices can't be taken into account above two kinds of demands simultaneously.
The model utility content
The technical problem underlying that the utility model will solve is that a kind of good operability and quadratic crank mechanism, support device and diasonograph instant packed and transportation are provided.
For solving the problems of the technologies described above; The utility model provides a kind of quadratic crank mechanism; Comprise base, footstock, first connecting rod and second connecting rod; Said base two ends are rotationally connected with first end of said first connecting rod and second connecting rod respectively, and said footstock two ends are rotationally connected with second end of said first connecting rod and second connecting rod respectively, and said first connecting rod has the first surface towards said second connecting rod; Said second connecting rod has the second surface towards said first connecting rod; Limit assembly also is set on this quadratic crank mechanism, said limit assembly comprise can conversion between first state and second state limiting stopper, when said limiting stopper transforms to first state; At least a portion of said limiting stopper extend between said first surface and the second surface, and said limiting stopper departs between said first surface and the second surface when transforming to second state.
In a kind of mode of execution, said footstock has connecting wall, and the two ends of said connecting wall are rotationally connected through second end of two coupling shafts and said first connecting rod and second connecting rod respectively, and said limit assembly is arranged on the said footstock.
Preferably, said limiting stopper is a position limit pin, and said connecting wall comprises the first side wall and second sidewall, and said position limit pin is arranged between the said the first side wall and second sidewall and stretches out said the first side wall.
In a kind of mode of execution; Said limit assembly also comprises shifting block and the elastic reset spare that is arranged between the said the first side wall and second sidewall; Said position limit pin is movably arranged on the said shifting block, and said elastic reset spare is against between said shifting block and said second sidewall.
Further, second end of said second connecting rod has the 3rd sidewall, and the coupling shaft of be rotationally connected said connecting wall and second connecting rod passes said the 3rd sidewall, the first side wall, shifting block and second sidewall successively.
Preferably, said elastic reset spare is enclosed within on the coupling shaft of be rotationally connected said connecting wall and second connecting rod.
In a kind of mode of execution; Said limit assembly also comprises guide finger; Said shifting block be provided with the guide finger pilot hole and with the position limit pin pilot hole of said guide finger pilot hole vertical connection, said position limit pin stretches into said position limit pin pilot hole and is fixedly connected with the guide finger that stretches into said guide finger pilot hole.
In a kind of mode of execution, the second end place near said second connecting rod on the said second surface also is provided with bit-avoiding slot, and said bit-avoiding slot is positioned at the position that when said first surface and second surface fit said limiting stopper is pressed close to second surface.
Said quadratic crank mechanism can be parallel four-bar linkage.
The utility model also provides a kind of support device, comprises supporting part and following supporting part, and said supporting part down is above-described quadratic crank mechanism, and said lower end of going up supporting part is connected on the said footstock.
The utility model also provides a kind of diasonograph, comprises display device and above-described support device, and said display device is installed in said upper end of going up supporting part.
The beneficial effect of the utility model is: the utility model quadratic crank mechanism, support device and diasonograph have limited its work extreme lower position in normal operation and the maximum amplitude of oscillation of at least one direction; Guaranteed operator's comfort level and feel, operability is good; When needing packing or transportation, operator can be in quadratic crank mechanism to be lower than the packing extreme lower position of work extreme lower position through the state that changes limiting stopper, have reduced the whole height of quadratic crank mechanism and make it easy to packing and transportation.Therefore the utility model has the convenience of the travelling comfort and the packed and transported of operation concurrently, has satisfied operator's actual demand.
Description of drawings
Fig. 1 is the scheme of installation of a kind of embodiment's of the utility model quadratic crank mechanism;
Fig. 2 is the stereogram of limit assembly in a kind of embodiment's of the utility model the quadratic crank mechanism;
Fig. 3 is the explosive view of limit assembly in a kind of embodiment's of the utility model the quadratic crank mechanism;
Fig. 4 is in the partial schematic diagram of work extreme lower position and packing extreme lower position for a kind of embodiment's of the utility model quadratic crank mechanism;
Fig. 5 is in the partial schematic diagram of operating limit position for a kind of embodiment's of the utility model quadratic crank mechanism;
Fig. 6 is in the stereogram of diverse location for a kind of embodiment's of the utility model diasonograph;
Fig. 7 is in to the stereogram of work extreme lower position and packing extreme lower position for a kind of embodiment's of the utility model diasonograph.
Embodiment
Combine accompanying drawing that the utility model is done further explain through embodiment below.
Please refer to Fig. 1, the quadratic crank mechanism of present embodiment comprises base 21, footstock 11, first connecting rod 23, second connecting rod 22 and limit assembly.Base 21 two ends are rotationally connected with first end of first connecting rod 23 and second connecting rod 22 respectively; Footstock 11 two ends are rotationally connected with second end of first connecting rod 23 and second connecting rod 22 respectively; In this mode of execution, the lower end of first connecting rod 23 and second connecting rod 22 is first end, and the upper end is second end.More than each parts can adopt mode such as hinged, pivot joint to be rotationally connected, also can adopt rotating pin to connect and jump ring is installed on rotating pin.The place of being rotationally connected also can make through multiple structure and rest on diverse location after pulling quadratic crank mechanism at every turn; For example supporting element is equipped with in quadratic crank mechanism inside; When quadratic crank mechanism was in a certain position, this supporting element combined the damping of each joint and makes quadratic crank mechanism rest on this position.First connecting rod 23 has the first surface 231 towards second connecting rod 22, and second connecting rod 22 has the second surface 221 towards first connecting rod 23.Limit assembly comprises limiting stopper; Different motion position according to quadratic crank mechanism; Limiting stopper can conversion between first state and second state: when transforming to first state, at least a portion of limiting stopper extend in the space that forms relatively between first surface 231 and the second surface 221; When transforming to second state, limiting stopper detaches the space that forms relatively between first surface 231 and the second surface 221.Wherein, here first surface 231 and second surface 221 is meant the bonding surfaces each other when this quadratic crank mechanism is in extreme higher position or packing extreme lower position (back literary composition detailed description) on first connecting rod 23 and the second connecting rod 22.When limiting stopper was converted into first state, quadratic crank mechanism can freely be pulled to the different working position, and quadratic crank mechanism reaches minimum working position in case limiting stopper is sandwiched between first surface 231 and the second surface 221; When limiting stopper was converted into second state, first connecting rod 23 did not receive the obstruction of limiting stopper with second connecting rod 22 and can fit smoothly, can make quadratic crank mechanism arrive the packing extreme lower position.
Under the normal working; Operator can be by hand or are pulled quadratic crank mechanism automatically and regulate its sphere of activities; The maximum amplitude of oscillation of its work extreme lower position and at least one direction is limited the limiting stopper that is in first state, has therefore guaranteed operator's comfort level and feel, and operability is good; When needing packing or transportation, operator can make quadratic crank mechanism arrive the packing extreme lower position that is lower than the work extreme lower position through changing the state of limiting stopper, have reduced the whole height of quadratic crank mechanism and make it easy to packing and transportation.The structure of limit assembly and mounting type have multiple.For example limiting stopper is movable is connected on base 21, footstock 11, first connecting rod 23 or the second connecting rod 22, and operator can pull its position as required, make its flexible transformation between first and second states.
In a kind of mode of execution; Limit assembly is arranged on the footstock 11; Footstock 11 has connecting wall; The two ends of this connecting wall are rotationally connected through second end of two coupling shafts 110 (for example rotating pin) with first connecting rod 23 and second connecting rod 22 respectively, rotate when limiting stopper transforms to first state or are ejected between two coupling shafts 110.In this mode of execution; Second end of first connecting rod 23 or second connecting rod 22 can directly be installed in a side of connecting wall through coupling shaft 110; Perhaps utilize the both sides that are installed in connecting wall from extended two the wall shape structures of second end; The action that limiting stopper rotates or ejects can perhaps be realized under the effect of elastic force by manual operation automatically.For example a kind of limiting stopper can be ejected in two mode of executions between the coupling shaft 110; Footstock 11 has the first side wall and second sidewall; And all have the corresponding footstock pilot hole 111 and 113 in position on the first side wall and second sidewall, also be provided with position limit pin on the first side wall and pass hole 112.Limiting stopper is a position limit pin 33; It is whole to be elastic member or the rigid element that matches with elastic member; Be arranged between the first side wall and second sidewall through modes such as fixed, flexible connections; And pass hole 112 through position limit pin and vertically stretch out the first side wall; Operator can manually push position limit pin 33 and make its withdrawal footstock 11 and from first state transformation to the second state, and when the distance between first surface 231 and the second surface 221 during greater than the diameter of position limit pin 33, position limit pin 33 can eject footstock 11 again and automatically from second state transformation to the first state under elastic reaction.
Preferably; In conjunction with Fig. 2 to Fig. 4; Limit assembly also comprises the shifting block 30 and elastic reset spare 31 (for example can adopt spring) that is arranged between the first side wall and second sidewall; Position limit pin 33 is movably arranged on the shifting block 30 and passes position limit pin and passes hole 112 and vertically stretch out the first side wall, and elastic reset spare 31 is against between the shifting block 30 and second sidewall.The upper end of second connecting rod 22 has the 3rd sidewall and the 4th sidewall; And all has the corresponding second connecting rod pilot hole 222 in position on the 3rd sidewall and the 4th sidewall; Also be provided with coupling shaft pilot hole 303 on the shifting block 30; Rotating pin or other forms of coupling shaft 110 pass footstock pilot hole 113 on second connecting rod pilot hole 222 on the 3rd sidewall, the footstock pilot hole 111 on the first side wall, the coupling shaft pilot hole on the shifting block 30 303, second sidewall, the second connecting rod pilot hole 222 on the 4th sidewall successively and footstock 11, shifting block 30 and second connecting rod 22 are rotationally connected; And adopt jump ring spacing, second connecting rod 22 and shifting block 30 all can freely be rotated around coupling shaft 110.In addition, also can elastic reset spare 31 be enclosed within on the coupling shaft 110 and play leading role.When operator through staff or assistant tool when second sidewall direction of footstock 11 is stirred shifting block 30 or is pressed position limit pin 33; Elastic reset spare 31 is compressed; Position limit pin 33 is with in the shifting block 30 indentation footstocks 11, and press down quadratic crank mechanism this moment can make it move to solid line state shown in Figure 4, does not promptly have any obstacle between first surface 231 and the second surface 221 and applying each other; Make quadratic crank mechanism be in the packing extreme lower position, have minimum height; When pushing away quadratic crank mechanism on the operator first connecting rod 23 and second connecting rod 22 be separated from each other; In case the distance between first surface 231 and the second surface 221 is greater than the diameter of position limit pin 33 and leave enough spaces and make its ejection; Then limit assembly resets under the effect of elastic reset spare 31; Position limit pin 33 eject footstocks 11 and be clipped in first surface 231 and second surface 221 between; Parallel motion this moment to dotted line state shown in Figure 4 and be in the work extreme lower position has the minimum height and the maximum amplitude of oscillation of at least one direction in normal operation.
Because quadratic crank mechanism can be around different direction rotations; Be converted at limiting stopper under the situation of first state; The quadratic crank mechanism of this mode of execution has that both direction is opposite, the work extreme lower position of symmetrical configuration, limited respectively its in normal operation forward, the maximum amplitude of oscillation backward.Similarly; Be converted at limiting stopper under the situation of second state; Quadratic crank mechanism can comprise that also both direction is opposite, the packing extreme lower position of symmetrical configuration, and limiting stopper all detaches in the spaces that first surface 231 and second surface 221 form relatively so that the two is fitted each other when arbitrary packing extreme lower position.In a kind of mode of execution as shown in Figure 5; Quadratic crank mechanism only comprises a work extreme lower position, a packing extreme lower position; Also comprise the operating limit position opposite with this packing extreme lower position; This mode of execution second end place near second connecting rod 22 on second surface 221 also is provided with bit-avoiding slot 223; This bit-avoiding slot 223 is positioned at the position that when first surface 231 and second surface 221 fit limiting stopper is pressed close to second surface 221, is used for when quadratic crank mechanism is in the operating limit position limiting stopper is contained in the groove and makes it keep first state, avoids limiting stopper to be clipped between first surface 231 and the second surface 221 and hinders the two smooth applying.Limiting stopper has only limited the maximum amplitude of oscillation of a direction of quadratic crank mechanism in this mode of execution in the work extreme lower position.
The quadratic crank mechanism of the utility model can be common quadratic crank mechanism, or is parallel four-bar linkage.
The utility model also provides a kind of support device, comprises supporting part and following supporting part.Following supporting part is above-described quadratic crank mechanism; Last supporting part can be structures such as plain connecting rod, flat board; Be used for component such as support displays, worktable, illuminations; Its lower end is connected down on the footstock 11 of supporting part, goes up supporting part certainly and also can form common quadratic crank mechanism or above-described quadratic crank mechanism with footstock 11.
As shown in Figure 6, the utility model also provides a kind of diasonograph, comprises display device 1 and above-described support device.Last supporting part 10 is common parallel four-bar linkage; With following supporting part 20 shared footstocks 11; Display device 1 is installed in the upper end of supporting part 10 and can rotates freely; The variable height of the quadratic crank mechanism major control display device 1 of last supporting part 10; Following supporting part 20 is mainly controlled the front and back position and the variable height of display device 1 through adjusting whole position of going up supporting part 10 simultaneously, and operator can be through pulling supporting part 10 and/or descending supporting part 20 to make diasonograph freely be transformed to the state of solid line among Fig. 6 or dotted line.As shown in Figure 7, when diasonograph was in the work extreme lower position shown in the dotted line, limiting stopper was clipped between first surface 231 and the second surface 221, limited display device 1 backward or before and after the maximum amplitude of oscillation and guaranteed operator's comfort level and feel; When diasonograph is in the packing extreme lower position shown in the solid line; Limiting stopper departs from first surface 231 and the second surface 221 relative spaces that form; First connecting rod 23 has reduced the whole height of equipment with second connecting rod 22 mutual applyings; Instant packed and transportation, so the utility model diasonograph has the convenience of the travelling comfort and the packed and transported of operation concurrently.
Above content is the further explain that combines concrete mode of execution that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (11)
1. quadratic crank mechanism; Comprise base, footstock, first connecting rod and second connecting rod, said base two ends are rotationally connected with first end of said first connecting rod and second connecting rod respectively, and said footstock two ends are rotationally connected with second end of said first connecting rod and second connecting rod respectively; Said first connecting rod has the first surface towards said second connecting rod; Said second connecting rod has the second surface towards said first connecting rod, it is characterized in that, limit assembly also is set on this quadratic crank mechanism; Said limit assembly comprise can conversion between first state and second state limiting stopper; When said limiting stopper transformed to first state, at least a portion of said limiting stopper extend between said first surface and the second surface, and said limiting stopper departs between said first surface and the second surface when transforming to second state.
2. quadratic crank mechanism as claimed in claim 1; It is characterized in that; Said footstock has connecting wall, and the two ends of said connecting wall are rotationally connected through second end of two coupling shafts and said first connecting rod and second connecting rod respectively, and said limit assembly is arranged on the said footstock.
3. quadratic crank mechanism as claimed in claim 2 is characterized in that, said limiting stopper is a position limit pin, and said connecting wall comprises the first side wall and second sidewall, and said position limit pin is arranged between the said the first side wall and second sidewall and stretches out said the first side wall.
4. quadratic crank mechanism as claimed in claim 3 is characterized in that, said limit assembly also comprises shifting block and the elastic reset spare that is arranged between the said the first side wall and second sidewall, and said elastic reset spare is against between said shifting block and said second sidewall.
5. quadratic crank mechanism as claimed in claim 4 is characterized in that said position limit pin is movably arranged on the said shifting block.
6. quadratic crank mechanism as claimed in claim 4 is characterized in that, second end of said second connecting rod has the 3rd sidewall, and the coupling shaft of be rotationally connected said connecting wall and second connecting rod passes said the 3rd sidewall, the first side wall, shifting block and second sidewall successively.
7. quadratic crank mechanism as claimed in claim 6 is characterized in that, said elastic reset spare is enclosed within on the coupling shaft of be rotationally connected said connecting wall and second connecting rod.
8. like claim 4 or 5 described quadratic crank mechanisms; It is characterized in that; Said limit assembly also comprises guide finger; Said shifting block be provided with the guide finger pilot hole and with the position limit pin pilot hole of said guide finger pilot hole vertical connection, said position limit pin stretches into said position limit pin pilot hole and is fixedly connected with the guide finger that stretches into said guide finger pilot hole.
9. quadratic crank mechanism as claimed in claim 1; It is characterized in that; The second end place near said second connecting rod on the said second surface also is provided with bit-avoiding slot, and said bit-avoiding slot is positioned at the position that when said first surface and second surface fit said limiting stopper is pressed close to second surface.
10. a support device comprises supporting part and following supporting part, it is characterized in that, said supporting part down is each described quadratic crank mechanism in the claim 1 to 9, and said lower end of going up supporting part is connected on the said footstock.
11. a diasonograph comprises the described support device of display device and claim 10, it is characterized in that, said display device is installed in said upper end of going up supporting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203730953U CN202284630U (en) | 2011-09-27 | 2011-09-27 | Four-connecting rod mechanism, supporting device and ultrasonic diagnostic apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203730953U CN202284630U (en) | 2011-09-27 | 2011-09-27 | Four-connecting rod mechanism, supporting device and ultrasonic diagnostic apparatus thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284630U true CN202284630U (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203730953U Expired - Lifetime CN202284630U (en) | 2011-09-27 | 2011-09-27 | Four-connecting rod mechanism, supporting device and ultrasonic diagnostic apparatus thereof |
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| CN (1) | CN202284630U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047524A (en) * | 2013-01-16 | 2013-04-17 | 深圳市开立科技有限公司 | Display screen adjusting arm and device thereof |
| CN104633029A (en) * | 2014-12-30 | 2015-05-20 | 中国科学院长春光学精密机械与物理研究所 | Four-connecting-rod elastic switching mechanism |
| CN105240668A (en) * | 2015-10-15 | 2016-01-13 | 无锡瑞巴斯医疗器械有限公司 | Structure for improving stability of wall-mounted workstation |
| CN106139411A (en) * | 2016-08-01 | 2016-11-23 | 珠海市艾森科技有限公司 | Infrared therapy apparatus |
| WO2018209514A1 (en) * | 2017-05-15 | 2018-11-22 | 深圳迈瑞生物医疗电子股份有限公司 | Floating mechanism and ultrasonic diagnostic apparatus |
| CN109424829A (en) * | 2017-08-31 | 2019-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | Display equipment supporting device and the diasonograph for configuring the device |
| WO2020061861A1 (en) * | 2018-09-26 | 2020-04-02 | 深圳迈瑞生物医疗电子股份有限公司 | Freely movable apparatus and ultrasonic apparatus |
| CN111998181A (en) * | 2019-12-03 | 2020-11-27 | 永康市致达工贸有限公司 | Equipment support frame with self-adjusting supporting force angle |
| CN114623363A (en) * | 2022-03-22 | 2022-06-14 | 荣耀终端有限公司 | Display screen support and display screen assembly |
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2011
- 2011-09-27 CN CN2011203730953U patent/CN202284630U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103047524A (en) * | 2013-01-16 | 2013-04-17 | 深圳市开立科技有限公司 | Display screen adjusting arm and device thereof |
| CN104633029A (en) * | 2014-12-30 | 2015-05-20 | 中国科学院长春光学精密机械与物理研究所 | Four-connecting-rod elastic switching mechanism |
| CN104633029B (en) * | 2014-12-30 | 2017-10-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of elastic switching mechanism of double leval jib |
| CN105240668A (en) * | 2015-10-15 | 2016-01-13 | 无锡瑞巴斯医疗器械有限公司 | Structure for improving stability of wall-mounted workstation |
| CN106139411A (en) * | 2016-08-01 | 2016-11-23 | 珠海市艾森科技有限公司 | Infrared therapy apparatus |
| CN106139411B (en) * | 2016-08-01 | 2018-05-15 | 珠海市艾森科技有限公司 | Infrared therapy apparatus |
| WO2018209514A1 (en) * | 2017-05-15 | 2018-11-22 | 深圳迈瑞生物医疗电子股份有限公司 | Floating mechanism and ultrasonic diagnostic apparatus |
| US11717261B2 (en) | 2017-05-15 | 2023-08-08 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Floating mechanism and ultrasonic diagnostic apparatus |
| CN109424829A (en) * | 2017-08-31 | 2019-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | Display equipment supporting device and the diasonograph for configuring the device |
| CN109424829B (en) * | 2017-08-31 | 2022-04-26 | 深圳迈瑞生物医疗电子股份有限公司 | Display device supporting device and ultrasonic diagnostic apparatus equipped with the same |
| WO2020061861A1 (en) * | 2018-09-26 | 2020-04-02 | 深圳迈瑞生物医疗电子股份有限公司 | Freely movable apparatus and ultrasonic apparatus |
| CN111998181A (en) * | 2019-12-03 | 2020-11-27 | 永康市致达工贸有限公司 | Equipment support frame with self-adjusting supporting force angle |
| CN111998181B (en) * | 2019-12-03 | 2022-07-12 | 永康市致达工贸有限公司 | Equipment support frame with self-adjusting supporting force angle |
| CN114623363A (en) * | 2022-03-22 | 2022-06-14 | 荣耀终端有限公司 | Display screen support and display screen assembly |
| CN114623363B (en) * | 2022-03-22 | 2023-10-20 | 荣耀终端有限公司 | Display screen support and display screen assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |