CN219828428U - a telescopic mechanism - Google Patents
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Abstract
本实用新型涉及伸缩装置技术领域,具体为一种伸缩机构,包括伸缩结构、支撑架和连接板;连接板通过伸缩结构连接支撑架;伸缩结构包括第一旋转轴、第二旋转轴、第三旋转轴、第四旋转轴、第五旋转轴、第六旋转轴、第七旋转轴、第八旋转轴、第一延展杆、第二延展杆、第三延展杆、第一伸缩杆、第二伸缩杆、第三伸缩杆、第一支撑杆和第二支撑杆。本实用新型提供的伸缩机构在收纳过程中能使得伸缩结构逐级嵌套收拢,并最终将伸缩结构收纳在支撑架的凹槽内,更加的节省空间,且伸缩结构展开后能形成稳定的三角形支架结构,大大提高了伸缩机构伸展使用状态下的稳定性。
The utility model relates to the technical field of telescopic devices, specifically a telescopic mechanism, which includes a telescopic structure, a support frame and a connecting plate; the connecting plate connects the supporting frame through the telescopic structure; the telescopic structure includes a first rotation axis, a second rotation axis, a third Rotation axis, fourth rotation axis, fifth rotation axis, sixth rotation axis, seventh rotation axis, eighth rotation axis, first extension rod, second extension rod, third extension rod, first telescopic rod, second Telescopic rod, third telescopic rod, first support rod and second support rod. The telescopic mechanism provided by the utility model can make the telescopic structure nest and collapse step by step during the storage process, and finally store the telescopic structure in the groove of the support frame, which saves more space, and the telescopic structure can form a stable triangle after unfolding. The bracket structure greatly improves the stability of the telescopic mechanism when it is extended.
Description
技术领域Technical field
本实用新型涉及伸缩装置技术领域,具体涉及一种伸缩机构。The utility model relates to the technical field of telescopic devices, in particular to a telescopic mechanism.
背景技术Background technique
目前伸缩结构应用可使装备内空间有效利用,有效节省材料消耗,提升操作灵活度,由于设有多个部件,连接方式过多,容易使伸缩机构本体超出空间预算,影响伸缩机构本体的正常收缩,在各种机构应用过程中如何使得伸缩机构强度增大,机构本身占用空间小,成为各种伸缩机构发展的方向。The current application of telescopic structures can effectively utilize the space within the equipment, effectively save material consumption, and improve operational flexibility. Due to the multiple components and too many connection methods, it is easy for the telescopic mechanism body to exceed the space budget and affect the normal contraction of the telescopic mechanism body. , in the application process of various mechanisms, how to increase the strength of the telescopic mechanism and make the mechanism itself occupy a small space has become the development direction of various telescopic mechanisms.
实用新型内容Utility model content
本实用新型目的是针对背景技术中存在的问题,提出一种伸缩机构。The purpose of this utility model is to propose a telescopic mechanism to solve the problems existing in the background technology.
本实用新型的技术方案:一种伸缩机构,包括伸缩结构、支撑架和连接板;伸缩结构包括第一旋转轴、第二旋转轴、第三旋转轴、第四旋转轴、第五旋转轴、第六旋转轴、第七旋转轴、第八旋转轴、第一延展杆、第二延展杆、第三延展杆、第一伸缩杆、第二伸缩杆、第三伸缩杆、第一支撑杆和第二支撑杆;第一延展杆、第二延展杆、第三延展杆、第一伸缩杆、第二伸缩杆、第三伸缩杆和第一支撑杆均设有两个,且并排设置;The technical solution of the present invention: a telescopic mechanism, including a telescopic structure, a support frame and a connecting plate; the telescopic structure includes a first rotation axis, a second rotation axis, a third rotation axis, a fourth rotation axis, a fifth rotation axis, The sixth rotation axis, the seventh rotation axis, the eighth rotation axis, the first extension rod, the second extension rod, the third extension rod, the first telescopic rod, the second telescopic rod, the third telescopic rod, the first support rod and a second support rod; there are two first extension rods, second extension rods, third extension rods, first telescopic rods, second telescopic rods, third telescopic rods and first support rods, and they are arranged side by side;
支撑架的一端与两个第一延展杆的一端通过第一旋转轴转动连接;两个第一延展杆的另一端与两个第三延展杆的一端通过第二旋转轴转动连接;两个第三延展杆的另一端通过第七旋转轴转动连接连接板的一端;One end of the support frame is rotationally connected to one end of the two first extension rods through a first rotation axis; the other end of the two first extension rods is rotationally connected to one end of the two third extension rods through a second rotation axis; The other end of the three extension rods is rotatably connected to one end of the connecting plate through the seventh rotation axis;
两个第一伸缩杆的一端滑动连接支撑架,两个第一伸缩杆的一端和两个第二伸缩杆的一端通过第三旋转轴转动连接;两个第二伸缩杆的另一端和两个第三伸缩杆的一端通过第五旋转轴转动连接,两个第三伸缩杆的另一端通过第六旋转轴转动连接连接板的端面;One end of the two first telescopic rods is slidingly connected to the support frame, one end of the two first telescopic rods and one end of the two second telescopic rods are rotationally connected through a third rotation axis; the other end of the two second telescopic rods and the two One end of the third telescopic rod is rotationally connected through the fifth rotation axis, and the other ends of the two third telescopic rods are rotationally connected through the sixth rotation axis to the end surface of the connecting plate;
两个第一支撑杆的一端通过第四旋转轴与支撑架的另一端转动连接;One end of the two first support rods is rotationally connected to the other end of the support frame through a fourth rotation axis;
两个第一支撑杆的另一端与第二支撑杆的一端均活动连接第三旋转轴;两个第二延展杆的一端活动连接第二旋转轴,两个第二延展杆的另一端通过第八旋转轴活动连接于第二支撑杆的外周面。The other ends of the two first support rods and one end of the second support rod are both movably connected to the third rotation axis; one end of the two second extension rods is movably connected to the second rotation axis, and the other ends of the two second extension rods pass through the third rotation axis. The eight rotation axes are movably connected to the outer peripheral surface of the second support rod.
优选的,连接板正投影面积小于支撑架正投影面积。Preferably, the front projection area of the connecting plate is smaller than the front projection area of the support frame.
优选的,连接板与支撑架垂直状态下,第三伸缩杆与第二伸缩杆之间的夹角为135度。Preferably, when the connecting plate is vertical to the support frame, the angle between the third telescopic rod and the second telescopic rod is 135 degrees.
优选的,第一伸缩杆与第二伸缩杆之间的夹角为180度。Preferably, the angle between the first telescopic rod and the second telescopic rod is 180 degrees.
优选的,第一延展杆与支撑架开合角度为0-45度;第二延展杆与第三延展杆开合角度为0-30度。Preferably, the opening and closing angle of the first extension rod and the support frame is 0-45 degrees; the opening and closing angle of the second extension rod and the third extension rod is 0-30 degrees.
优选的,两个第一延展杆之间的距离值大于两个第三延展杆之间的距离值;两个第三延展杆之间的距离值大于两个第一支撑杆之间的距离值;两个第一支撑杆之间的距离值大于两个第一伸缩杆之间的距离值;两个第一伸缩杆之间的距离值大于两个第二伸缩杆之间的距离值;两个第二伸缩杆之间的距离值大于两个第三伸缩杆之间的距离值;两个第二伸缩杆之间的距离值大于第二支撑杆的宽度值。Preferably, the distance between the two first extension rods is greater than the distance between the two third extension rods; the distance between the two third extension rods is greater than the distance between the two first support rods. ;The distance value between the two first support rods is greater than the distance value between the two first telescopic rods; the distance value between the two first telescopic rods is greater than the distance value between the two second telescopic rods; The distance value between the two second telescopic rods is greater than the distance value between the two third telescopic rods; the distance value between the two second telescopic rods is greater than the width value of the second support rod.
优选的,支撑架的靠近连接板的一侧设有容纳伸缩结构的凹槽。Preferably, the side of the support frame close to the connecting plate is provided with a groove for accommodating the telescopic structure.
与现有技术相比,本实用新型的上述技术方案具有如下有益的技术效果:Compared with the existing technology, the above technical solution of the present invention has the following beneficial technical effects:
本实用新型提供的伸缩机构中两个第一延展杆之间的距离值、两个第三延展杆之间的距离值、两个第一支撑杆之间的距离值、两个第一伸缩杆之间的距离值、两个第二伸缩杆之间的距离值、两个第三伸缩杆之间的距离值以及两个第二延展杆之间的距离值逐渐减小,使得伸缩机构在收纳过程中能使得伸缩结构逐级嵌套收拢,并最终将伸缩结构收纳在支撑架的凹槽内,更加的节省空间,且伸缩结构展开后能形成稳定的三角形支架结构,大大提高了伸缩机构伸展使用状态下的稳定性。In the telescopic mechanism provided by the utility model, the distance value between the two first extension rods, the distance value between the two third extension rods, the distance value between the two first support rods, the distance value between the two first telescopic rods The distance value between the two second telescopic rods, the distance value between the two third telescopic rods and the distance value between the two second extension rods gradually decreases, so that the telescopic mechanism is in storage During the process, the telescopic structure can be nested and closed step by step, and finally the telescopic structure can be stored in the groove of the support frame, which saves more space. After unfolding, the telescopic structure can form a stable triangular bracket structure, which greatly improves the extension of the telescopic mechanism. Stability in use.
附图说明Description of the drawings
图1为本实用新型提出的一种实施例的立体图。Figure 1 is a perspective view of an embodiment of the present utility model.
图2为图1的主视图。Figure 2 is a front view of Figure 1.
附图标记:1、支撑架;2、第一旋转轴;21、第二旋转轴;22、第三旋转轴;3、第四旋转轴;4、第五旋转轴;7、第六旋转轴;8、第七旋转轴;9、第八旋转轴;31、第一延展杆;32、第二延展杆;33、第三延展杆;41、第一伸缩杆;42、第二伸缩杆;43、第三伸缩杆;5、第一支撑杆;51、第二支撑杆;6、连接板。Reference signs: 1. Support frame; 2. First rotation axis; 21. Second rotation axis; 22. Third rotation axis; 3. Fourth rotation axis; 4. Fifth rotation axis; 7. Sixth rotation axis ; 8. The seventh rotation axis; 9. The eighth rotation axis; 31. The first extension rod; 32. The second extension rod; 33. The third extension rod; 41. The first telescopic rod; 42. The second telescopic rod; 43. The third telescopic rod; 5. The first support rod; 51. The second support rod; 6. The connecting plate.
具体实施方式Detailed ways
实施例一Embodiment 1
如图1-2所示,本实用新型提出的一种伸缩机构,包括伸缩结构、支撑架1和连接板6;伸缩结构包括第一旋转轴2、第二旋转轴21、第三旋转轴22、第四旋转轴3、第五旋转轴4、第六旋转轴7、第七旋转轴8、第八旋转轴9、第一延展杆31、第二延展杆32、第三延展杆33、第一伸缩杆41、第二伸缩杆42、第三伸缩杆43、第一支撑杆5和第二支撑杆51;第一延展杆31、第二延展杆32、第三延展杆33、第一伸缩杆41、第二伸缩杆42、第三伸缩杆43和第一支撑杆5均设有两个,且并排设置;As shown in Figure 1-2, the telescopic mechanism proposed by the utility model includes a telescopic structure, a support frame 1 and a connecting plate 6; the telescopic structure includes a first rotation axis 2, a second rotation axis 21, and a third rotation axis 22. , the fourth rotation axis 3, the fifth rotation axis 4, the sixth rotation axis 7, the seventh rotation axis 8, the eighth rotation axis 9, the first extension rod 31, the second extension rod 32, the third extension rod 33, the One telescopic rod 41, second telescopic rod 42, third telescopic rod 43, first support rod 5 and second support rod 51; first extension rod 31, second extension rod 32, third extension rod 33, first telescopic rod There are two rods 41, second telescopic rods 42, third telescopic rods 43 and first support rods 5, and they are arranged side by side;
支撑架1的一端与两个第一延展杆31的一端通过第一旋转轴2转动连接;进一步的,支撑架1的一端并排设置两个固定板;第一旋转轴2转动或固定安装在两个固定板上;第一旋转轴2固定连接固定板时,两个第一延展板31活动连接第一旋转轴2;第一旋转轴2转动连接固定板时,两个第一延展板31固定或活动连接第一旋转轴2。通过上述方式实现支撑架1与两个第一延展杆31活动连接;同理第四旋转轴3、第六旋转轴7、第七旋转轴8与第一旋转轴2的设置方式相同;One end of the support frame 1 is rotationally connected to one end of the two first extension rods 31 through the first rotation shaft 2; further, two fixed plates are arranged side by side on one end of the support frame 1; the first rotation shaft 2 is rotated or fixedly installed on both sides. when the first rotating shaft 2 is fixedly connected to the fixed plate, the two first extension plates 31 are movably connected to the first rotating shaft 2; when the first rotating shaft 2 is rotationally connected to the fixed plate, the two first extension plates 31 are fixed Or movably connect the first rotation axis 2. Through the above method, the support frame 1 is movablely connected to the two first extension rods 31; similarly, the fourth rotation axis 3, the sixth rotation axis 7, the seventh rotation axis 8 and the first rotation axis 2 are arranged in the same manner;
两个第一延展杆31的另一端与两个第三延展杆33的一端通过第二旋转轴21转动连接;两个第三延展杆33的另一端通过第七旋转轴8转动连接连接板6的一端;The other ends of the two first extension rods 31 are rotationally connected to one end of the two third extension rods 33 through the second rotation axis 21; the other ends of the two third extension rods 33 are rotationally connected to the connecting plate 6 through the seventh rotation axis 8. one end of;
进一步的,两个第一延展杆31的另一端与两个第三延展杆33的一端均设有用于供第二旋转轴21贯穿的通孔;第二旋转轴21的两端设有固定件,以对第二旋转轴21进行限位避免第二旋转轴21从通孔内脱离,从而实现两个第一延展杆31一端、两个第二延展杆32的一端和两个第三延展杆33的一端通过第二旋转轴21转动连接;同理第三旋转轴22、第五旋转轴4和第八旋转轴9的设置方式相同;Furthermore, the other ends of the two first extension rods 31 and one end of the two third extension rods 33 are provided with through holes for the second rotation shaft 21 to penetrate; both ends of the second rotation shaft 21 are provided with fixing members. , to limit the position of the second rotating shaft 21 to prevent the second rotating shaft 21 from detaching from the through hole, thereby realizing one end of two first extension rods 31, one end of two second extension rods 32 and two third extension rods. One end of 33 is rotationally connected through the second rotation axis 21; similarly, the third rotation axis 22, the fifth rotation axis 4 and the eighth rotation axis 9 are arranged in the same manner;
两个第一伸缩杆41的一端滑动连接支撑架1,两个第一伸缩杆41的一端和两个第二伸缩杆42的一端通过第三旋转轴22转动连接;两个第二伸缩杆42的另一端和两个第三伸缩杆43的一端通过第五旋转轴4转动连接,两个第三伸缩杆43的另一端通过第六旋转轴7转动连接连接板6的端面;One end of the two first telescopic rods 41 is slidingly connected to the support frame 1, and one end of the two first telescopic rods 41 and one end of the two second telescopic rods 42 are rotationally connected through the third rotating shaft 22; the two second telescopic rods 42 The other end of the two third telescopic rods 43 is rotationally connected to one end of the two third telescopic rods 43 through the fifth rotation axis 4, and the other end of the two third telescopic rods 43 is rotationally connected to the end surface of the connecting plate 6 through the sixth rotation axis 7;
两个第一支撑杆5的一端通过第四旋转轴3与支撑架1的另一端转动连接;两个第一支撑杆5的另一端与第二支撑杆51的一端均活动连接第三旋转轴22;两个第二延展杆32的一端活动连接第二旋转轴21,两个第二延展杆32的另一端通过第八旋转轴9活动连接于第二支撑杆51的外周面。One end of the two first support rods 5 is rotationally connected to the other end of the support frame 1 through the fourth rotation axis 3; the other ends of the two first support rods 5 and one end of the second support rod 51 are both movably connected to the third rotation axis. 22; One end of the two second extension rods 32 is movably connected to the second rotation axis 21, and the other end of the two second extension rods 32 is movably connected to the outer peripheral surface of the second support rod 51 through the eighth rotation axis 9.
实施例二Embodiment 2
如图1-2所示,本实用新型提出的一种伸缩机构,相较于实施例一,本实施例中连接板6正投影面积小于支撑架1正投影面积;As shown in Figure 1-2, the utility model proposes a telescopic mechanism. Compared with the first embodiment, the front projection area of the connecting plate 6 in this embodiment is smaller than the front projection area of the support frame 1;
连接板6与支撑架1垂直状态下,第三伸缩杆43与第二伸缩杆42之间的夹角为135度。第一伸缩杆41与第二伸缩杆42之间的夹角为成180度。When the connecting plate 6 is vertical to the support frame 1, the angle between the third telescopic rod 43 and the second telescopic rod 42 is 135 degrees. The included angle between the first telescopic rod 41 and the second telescopic rod 42 is 180 degrees.
实施例三Embodiment 3
如图1-2所示,本实用新型提出的一种伸缩机构,相较于实施例二,本实施例中第一延展杆31与支撑架1开合角度为0-45度;第二延展杆32与第三延展杆33开合角度为0-30度。As shown in Figure 1-2, the utility model proposes a telescopic mechanism. Compared with the second embodiment, the opening and closing angle of the first extension rod 31 and the support frame 1 in this embodiment is 0-45 degrees; the second extension The opening and closing angle of the rod 32 and the third extension rod 33 is 0-30 degrees.
实施例四Embodiment 4
如图1-2所示,本实用新型提出的一种伸缩机构,相较于实施例一,本实施例中两个第一延展杆31之间的距离值大于两个第三延展杆33之间的距离值;两个第三延展杆33之间的距离值大于两个第一支撑杆5之间的距离值;两个第一支撑杆5之间的距离值大于两个第一伸缩杆41之间的距离值;两个第一伸缩杆41之间的距离值大于两个第二伸缩杆42之间的距离值;两个第二伸缩杆42之间的距离值大于两个第三伸缩杆43之间的距离值,使得第三伸缩杆43可以旋转收在两个第二伸缩杆42之间,两个第二伸缩杆42可以旋转收在两个第三伸缩杆43之间,两个第二伸缩杆42之间的距离值大于第二支撑杆51的宽度值;使得第二支撑杆旋转收在两个第二伸缩杆42之间;As shown in Figure 1-2, the telescopic mechanism proposed by the present utility model is compared with the first embodiment. In this embodiment, the distance between the two first extension rods 31 is greater than the distance between the two third extension rods 33. The distance value between the two third extension rods 33 is greater than the distance value between the two first support rods 5; the distance value between the two first support rods 5 is greater than the two first telescopic rods 41; the distance value between the two first telescopic rods 41 is greater than the distance value between the two second telescopic rods 42; the distance value between the two second telescopic rods 42 is greater than the distance value between the two third telescopic rods 42. The distance between the telescopic rods 43 is such that the third telescopic rod 43 can be rotated and retracted between the two second telescopic rods 42, and the two second telescopic rods 42 can be rotated and retracted between the two third telescopic rods 43. The distance value between the two second telescopic rods 42 is greater than the width value of the second support rod 51; causing the second support rod to rotate and be stored between the two second telescopic rods 42;
实施例五Embodiment 5
如图1-2所示,本实用新型提出的一种伸缩机构,相较于实施例一,本实施例中支撑架1的靠近连接板6的一侧设有容纳伸缩结构的凹槽。收纳状态下,伸缩结构存放在凹槽内,连接板6贴合支撑架1,便于收纳减少收纳空间。As shown in Figures 1-2, the utility model proposes a telescopic mechanism. Compared with the first embodiment, in this embodiment, the side of the support frame 1 close to the connecting plate 6 is provided with a groove for accommodating the telescopic structure. In the storage state, the telescopic structure is stored in the groove, and the connecting plate 6 fits the support frame 1 to facilitate storage and reduce storage space.
上面结合附图对本实用新型的实施方式作了详细说明,但是本实用新型并不限于此,在所属技术领域的技术人员所具备的知识范围内,在不脱离本实用新型宗旨的前提下还可以作出各种变化。The embodiments of the present utility model are described in detail above with reference to the accompanying drawings. However, the utility model is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, the utility model can also be implemented without departing from the purpose of the present utility model. Make various changes.
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CN202321024825.8U Expired - Fee Related CN219828428U (en) | 2023-05-04 | 2023-05-04 | a telescopic mechanism |
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CN (1) | CN219828428U (en) |
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2023
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20231013 |
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CF01 | Termination of patent right due to non-payment of annual fee |