Quick fixing mechanism

Abstract

The utility model relates to the technical field of butt joint mechanisms, and particularly discloses a quick fixing mechanism which is characterized in that one of a base and a mating part is inserted into a mounting groove of the other one; the two connecting pieces are arranged on the base in a sliding mode in the first direction, and the two connecting pieces are close to or away from each other; the connecting piece is provided with a first guide part; the transmission piece is movably arranged on the base in the second direction and is provided with a second guide part matched with the first guide part; and at least one of the first guide part and the second guide part is an inclined surface. Through the arrangement, the connection stability is improved; and the use experience of the user is improved.

Description

Technical Field

[0001] This utility model relates to the field of docking mechanism technology, and in particular to a quick fixing mechanism. Background Technology

[0002] To improve ease of use, products often need to be stably placed on a base. For example, monitors and all-in-one displays need to be placed on a base so that viewers can view the content; electric toothbrushes and other electronic products also need to be fixed on a charging base to ensure the reliability of the charging process. Existing connection methods include a plug-in method, where one of the product and the base has a plug-in protrusion and the other has a plug-in groove, with the protrusion inserting into the groove; and a snap-fit ​​method, where one of the product and the base has multiple clips and the other has multiple slots to achieve a snap-fit ​​connection. The plug-in method is unstable, and the product and base can easily detach; the snap-fit ​​method requires disassembling multiple clips one by one when separating the product and the base, which is complex, inefficient, and results in a poor user experience.

[0003] Therefore, it is urgent to study a rapid fixing mechanism to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a quick fixing mechanism to solve the problems of complex product and base disassembly process and poor user experience in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] Quick-fixing mechanism, including:

[0007] A base, wherein one of the bases and the mating parts is inserted into the mounting groove of the other;

[0008] Two connectors are slidably disposed on the base along a first direction, and the two connectors are close to or far from each other; the two connectors are provided with a first guide portion;

[0009] A transmission component is movably disposed on the base along a second direction, and the transmission component has a second guide portion that cooperates with the first guide portion; at least one of the first guide portion and the second guide portion is an inclined surface.

[0010] As an optional technical solution for a quick fixing mechanism, the first guide portion is a groove-shaped structure; the second guide portion is a protruding structure provided on the transmission component, and the second guide portion is located inside the first guide portion.

[0011] As an optional technical solution for a quick fixing mechanism, the connector has at least two first guide portions arranged at intervals along a second direction, and the transmission member is provided with at least four second guide portions, the second guide portions being cylindrical, and each first guide portion having at least one second guide portion.

[0012] As an optional technical solution for a quick-fixing mechanism, the quick-fixing mechanism further includes at least two first elastic elements, which are disposed between each of the connecting members and the base; or,

[0013] The quick-fixing mechanism further includes a first elastic element, which is disposed between the two connecting members.

[0014] As an optional technical solution for a quick fixing mechanism, the connector includes a connecting body and a connecting cylinder disposed on the connecting body. A baffle is provided on the base, and the baffle is located between two of the connectors. At least one first elastic member is arranged between each connector and the baffle. One end of the first elastic member is located in the connecting cylinder, and the other end abuts against the baffle.

[0015] As an optional technical solution for a quick fixing mechanism, the connector further includes at least two insertion protrusions on the side of the connector body, and the connector body is slidably disposed on the base.

[0016] As an optional technical solution for a quick fixing mechanism, the connecting body is provided with a sliding groove extending along a first direction; the base is provided with a sliding protrusion, which is located in the sliding groove.

[0017] As an optional technical solution for a quick fixing mechanism, the connecting body has at least two sliding grooves arranged at intervals along a second direction, and the sliding protrusions are cylindrical. At least two sliding protrusions arranged at intervals along a first direction are correspondingly arranged in each sliding groove.

[0018] As an optional technical solution for a quick-fixing mechanism, the quick-fixing mechanism further includes a push-push mechanism, the output end of which is connected to the transmission member and drives the transmission member to move along the second direction, causing the two connecting members to move closer to or further away from each other.

[0019] As an optional technical solution for a quick-fixing mechanism, the push-push mechanism includes a fixed cylinder, and a pressure rod, a locking member, a connecting rod, and a second elastic member disposed within the fixed cylinder. The second elastic member is disposed between the connecting rod and the fixed cylinder. The fixed cylinder has multiple circumferentially spaced sliding grooves, and the first sliding groove and the second sliding groove among the multiple sliding grooves are arranged alternately. The length of the first sliding groove is less than the length of the second sliding groove. The end of the pressure rod facing the locking member has a first tooth, and the end of the locking member facing the pressure rod has a second tooth that meshes with the first tooth and is distributed in each of the sliding grooves. The end of the connecting rod is connected to a transmission member.

[0020] As an optional technical solution for a quick fixing mechanism, the outer periphery of the pressure rod protrudes to form a first tooth, the end of the first tooth is provided with a first guide surface, the first tooth is slidably disposed in the slide groove, the outer periphery of the locking member protrudes to form a second tooth, the end of the second tooth is provided with a second guide surface, and the end of the slide groove is provided with a sliding guide surface parallel to the second guide surface.

[0021] As an optional technical solution for a quick fixing mechanism, a fixing block is provided on the outer side of the fixing cylinder, and the fixing block is screwed to the base.

[0022] As an optional technical solution for a quick fixing mechanism, the outer periphery of the connecting rod is provided with a first limiting part protruding radially, the inner wall of the fixing cylinder is provided with a second limiting part protruding radially, the second elastic element is a spring, the spring is sleeved on the connecting rod, and one end abuts against the first limiting part, and the other end abuts against the second limiting part.

[0023] As an optional technical solution for a quick-fixing mechanism, the quick-fixing mechanism further includes an electric push rod, which is disposed on the base and its output end is connected to the transmission component.

[0024] This utility model has at least the following beneficial effects:

[0025] This utility model provides a quick-fixing mechanism, which includes a base, two connecting parts, and a transmission component. The two connecting parts move closer to or further away from each other, thereby inserting into or removing from the two insertion slots of the mating parts. When the connecting parts are inserted into the insertion slots, the quick-fixing mechanism and the mating parts are connected, and the connection is stable. When the connecting parts are removed from the insertion slots, the quick-fixing mechanism and the mating parts are separated. In addition, the two connecting parts move synchronously under the driving action of the transmission component, moving closer to or further away from each other. Compared with the connection method of multiple snap-fit ​​structures, the quick-fixing mechanism and the mating parts can be separated quickly, improving the disassembly efficiency and enhancing the user experience. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0027] Figure 1 This is a first-view structural diagram of the quick-fixing mechanism in an embodiment of the present invention;

[0028] Figure 2 This is a second-view structural diagram of the quick-fixing mechanism in an embodiment of the present invention;

[0029] Figure 3 This is an exploded view of the quick-fixing mechanism in an embodiment of this utility model;

[0030] Figure 4 This is a third-view structural diagram of the quick-fixing mechanism in an embodiment of the present utility model;

[0031] Figure 5 This is an exploded view of the push-push mechanism in an embodiment of this utility model;

[0032] Figure 6 This is a cross-sectional view of the fixed cylinder in an embodiment of this utility model.

[0033] In the picture:

[0034] Y, first direction; X, second direction;

[0035] 100. Base; 110. Baffle; 120. Sliding protrusion; 130. Snap-fit ​​channel;

[0036] 200. Connector; 210. Connecting body; 211. First guide part; 212. Sliding groove; 220. Insertion protrusion; 230. Connecting cylinder;

[0037] 300. Transmission component; 310. Second guide part; 320. Pressing part;

[0038] 400. First elastic element;

[0039] 500, push-push mechanism; 510, fixed cylinder; 511, fixed block; 512, sliding groove; 5121, first sliding groove; 5122, second sliding groove; 5123, sliding guide surface; 513, second limiting part; 520, pressure rod; 521, first tooth; 5211, first guide surface; 530, locking element; 531, second tooth; 5311, second guide surface; 540, connecting rod; 541, first limiting part; 550, second elastic element. Detailed Implementation

[0040] Before explaining any implementation of this application in detail, it should be understood that this application is not limited to its application to the structural details and component arrangements set forth in the following description or shown in the above drawings.

[0041] In this application, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0042] In this application, the term "and / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this application generally indicates that the preceding and following related objects have an "and / or" relationship.

[0043] In this application, the terms "connection," "combination," "coupling," and "installation" can refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without the need for an intermediary, while an indirect connection refers to two parts or components each being connected to at least one intermediary, with the connection achieved through the intermediary. Furthermore, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, but can also include electrical connections or couplings.

[0044] In this application, the directional terms "upper," "lower," "left," "right," "front," and "rear" are used to describe the orientation and positional relationships shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should be understood that when an element is mentioned as being connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected through an intermediate element. It should also be understood that directional terms such as upper side, lower side, left side, right side, front side, and rear side not only represent positive orientation but can also be understood as lateral orientation. For example, "below" can include directly below, lower left, lower right, lower front, and lower rear.

[0045] like Figures 1 to 3 As shown, this embodiment provides a quick-fixing mechanism for fixing a product. The product is connected to a mating part, and the base 100 of the quick-fixing mechanism is fixed to the wall as a wall mount. One of the base 100 and the mating part can be inserted into the mounting groove of the other to facilitate hanging on the wall mount. To achieve quick connection between the base 100 and the mating part, a connector 200 is provided on the base 100. The mating part (not shown) has an insertion slot for the connector 200 to be inserted. The product and the mating part can be screwed, welded, or integrally formed, or the insertion slot can be directly provided on the product. Of course, in other embodiments, the quick-fixing mechanism can also be used as a support for mobile phones, tablets, POS machines, monitors, and all-in-one machines.

[0046] The quick-fixing mechanism includes a base 100, two connectors 200, and a transmission component 300. The two connectors 200 are movably disposed on the base 100 along a first direction Y, and the two connectors 200 can move closer to or further away from each other. When one of the base 100 and the mating component can be inserted into the mounting groove of the other, the connector 200 can be inserted into or removed from the corresponding insertion groove. The connector 200 has a first guide portion 211. The transmission component 300 is movably disposed on the base 100 along a second direction X, and the transmission component 300 has a second guide portion 310 that mates with the first guide portion 211. At least one of the first guide portion 211 and the second guide portion 310 is an inclined surface. During the movement of the transmission component 300, the mating portion of the first guide portion 211 and the second guide portion 310 moves along the inclined surface to drive the two connectors 200 to move synchronously closer to or further away from each other.

[0047] When the connector 200 is inserted into the insertion slot, the quick-fixing mechanism and the mating part are connected, and the connection is stable. When the connector 200 is removed from the insertion slot, the quick-fixing mechanism and the mating part are separated. In addition, the two connectors 200 can move synchronously under the driving action of the transmission component 300, moving closer or further apart from each other. Compared with the snap-fit ​​method, the quick-fixing mechanism and the mating part can be separated quickly, improving the disassembly efficiency and enhancing the user experience.

[0048] The base 100 has a frame structure, with a mounting groove on the mating parts. The sidewall of the mounting groove has an insertion slot, and the base 100 has at least two snap-fit ​​channels 130 on its periphery. In use, the base 100 is partially inserted into the mounting groove. When the two connectors 200 are far apart, they can pass through the snap-fit ​​channels 130 and insert into the insertion slots. The openings of the two insertion slots are opposite to each other. In other embodiments, when the connectors 200 slide on the outside of the base 100, the snap-fit ​​channels 130 can be omitted, and the base 100 can still be inserted into the mounting groove.

[0049] In some embodiments, when the two connectors 200 are close to each other, they can be inserted into the insertion slots. In this embodiment, the base 100 is provided with a mounting groove, and the snap-fit ​​channel 130 is opened on the side wall of the mounting groove. The mating parts are inserted into the mounting groove. The openings of the insertion slots on the two mating parts are arranged opposite to each other. The ends of the connectors 200 are provided with barb-shaped structures. When the connectors 200 are close to each other, the barbs on the connectors 200 can be inserted into the insertion slots.

[0050] The first guide portion 211 has a groove-like structure; one sidewall of the first guide portion 211 forms an inclined surface. The second guide portion 310 is a protrusion on the transmission member 300, located inside the first guide portion 211 and capable of sliding within it. The cooperation of the first guide portion 211 and the second guide portion 310 constrains the movement path of the connector 200; simultaneously, it helps reduce the mass of the connector 200 and lower the driving force. The first direction Y and the second direction X are perpendicular to each other. In other embodiments, the angle between the first direction Y and the second direction X is 80° or 100°. The angle between the extension direction of the inclined surface and the first direction Y is 45° or 60°. It should be noted that the axial direction of the mounting groove is a third direction, which is perpendicular to the first direction Y and the second direction X.

[0051] To improve the smoothness of the movement of the connector 200 and avoid jamming, in some embodiments, the connector 200 has at least two first guide portions 211 arranged at intervals along the second direction X, and the transmission member 300 is provided with at least four second guide portions 310. The second guide portions 310 are cylindrical, and at least one second guide portion 310 is arranged in each first guide portion 211. The above structure ensures the balance of force on the connector 200, thereby facilitating smoother relative movement between the connector 200 and the base 100. At the same time, the cylindrical structure of the second guide portions 310 reduces the contact area with the inclined surface, reducing friction. In addition, the second guide portions 310 are integrally formed with the base 100, and the above cylindrical structure facilitates injection molding, reducing production difficulty.

[0052] To ensure the connection stability of the quick-fixing mechanism and the mating parts, the connector 200 needs to remain inserted in the insertion slot when there is no external interference. The quick-fixing mechanism is equipped with a first elastic element 400 so that the two connectors 200 remain relatively far apart when no external force is applied, thereby ensuring that the connector 200 is inserted in the insertion slot. Regarding the installation method of the first elastic element 400, in one embodiment of this example, the first elastic element 400 is disposed between the connector 200 and the base 100 to apply an elastic force to one connector 200 and cause it to have a tendency to move away from the other connector 200. In another embodiment of this example, the first elastic element 400 is disposed between the two connectors 200 to apply an elastic force to the two connectors 200 and cause the two connectors 200 to have a tendency to move away from each other.

[0053] In this embodiment, the connector 200 includes a connecting body 210 and at least two insertion protrusions 220 arranged at intervals along a second direction X on the side of the connecting body 210. A first guide portion 211 is provided on the connecting body 210. The plurality of insertion protrusions 220 on the two connectors 200 can approach or move away from each other. In other words, the plurality of insertion protrusions 220 on one connector 200 can approach or move away from the plurality of insertion protrusions 220 on another connector 200. The outer diameter of the insertion protrusions 220 is smaller than that of the connecting body 210, and there are a plurality of insertion protrusions 220. The number of insertion slots corresponds to the number of insertion protrusions 220, which reduces the volume of the connector 200 while ensuring the insertion and positioning effect of the connector 200 and the mating part.

[0054] To ensure the installation stability of the first elastic element 400, in some embodiments, the connector 200 further includes a connecting cylinder 230, and a baffle 110 is provided on the base 100. In the first direction Y, the baffle 110 is located between two connectors 200, and at least one first elastic element 400 is arranged between each connector 200 and the baffle 110. One end of the first elastic element 400 is located in the connecting cylinder 230, and the other end abuts against the baffle 110. The first elastic element 400 can be a compression spring. This arrangement can accommodate longer compression springs to a certain extent, thereby accommodating a larger range of movement for the connector 200 and providing a more stable elastic force. Four compression springs are provided, with two springs connected between each connector 200 and the base 100, and the two springs are spaced apart along the second direction X.

[0055] To constrain the movement direction of the connector 200, the connecting body 210 has a sliding groove 212 extending along the first direction Y; the base 100 has a sliding protrusion 120 located in the sliding groove 212 and capable of sliding within it. This arrangement also helps reduce the weight of the connector 200 and decreases the driving force. In other embodiments, a guide rail extending along the first direction Y can be provided on the base 100, and a slider can be mounted on the connector 200, slidingly positioned on the guide rail.

[0056] The connecting body 210 has at least two sliding slots 212 spaced apart along the second direction X. The sliding protrusions 120 are cylindrical, and at least two sliding protrusions 120 spaced apart along the first direction Y are arranged in each sliding slot 212. This arrangement reduces the contact area between the sliding protrusions 120 and the sidewalls of the sliding slots 212, reduces friction, and improves the driving effect. In addition, the sliding protrusions 120 and the base 100 are integrally formed by injection molding, and the cylindrical shape of the sliding protrusions 120 facilitates injection molding.

[0057] In some embodiments, combined with Figure 4 As shown, the transmission member 300 can move between a fixed position and an unlocked position along the second direction X. The quick-fixing mechanism also includes a push-push mechanism 500, which is disposed on the base 100. The output end of the push-push mechanism 500 is connected to the transmission member 300. The output end of the push-push mechanism 500 can drive the transmission member 300 to move along the second direction X and cause the two connecting members (200) to move closer or further apart. Specifically, pressing the pressing end of the push-push mechanism 500 can fix the transmission member 300 in the fixed position, and pressing the pressing end again can fix the transmission member 300 in the unlocked position.

[0058] It should be noted that the push-push mechanism 500 is the telescopic mechanism of an automatic ballpoint pen or the ejection mechanism of an SD card slot. The specific structure and working principle of the telescopic mechanism of the automatic ballpoint pen and the ejection mechanism of the SD card slot are well known to those skilled in the art and will not be described in detail here.

[0059] For example, combined Figures 5 to 6 As shown, the quick-fixing mechanism also includes a push-push mechanism 500, which includes a fixed cylinder 510, a pressure rod 520, a locking member 530, a connecting rod 540, and a second elastic member 550 disposed within the fixed cylinder 510. The second elastic member 550 is disposed between the connecting rod 540 and the fixed cylinder 510. The fixed cylinder 510 has a plurality of circumferentially spaced sliding grooves 512, and the first sliding groove 5121 and the second sliding groove 5122 among the plurality of sliding grooves 512 are arranged alternately. The length of the first sliding groove 5121 is less than the length of the second sliding groove 5122. The end of the pressure rod 520 facing the locking member 530 is provided with a first tooth 521, and the end of the locking member 530 facing the pressure rod 520 is provided with a second tooth 531 that meshes with the first tooth 521. The end of the pressure rod 520 extends from one end of the fixed cylinder 510, and the end of the connecting rod 540 extends from the other end of the fixed cylinder 510 and is connected to the transmission member 300. Pressing process: When the lever 520 is pressed, the locking member 530 disengages from the second sliding groove 5122 and is subjected to the force of the second elastic member 550 at the end of the connecting rod 540, rotating to the right along the inclined plane. During the upward movement of the lever 520, the locking member 530 rotates and falls into the adjacent first sliding groove 5121, thereby extending and locking the connecting rod 540 and fixing the transmission member 300 in a fixed position. Release process: When the lever 520 is pressed again, the locking member 530 rotates along the inclined plane again, and the lever 520 falls into the adjacent second sliding groove 5122, retracting the connecting rod 540 and fixing the transmission member 300 in the unlocked position.

[0060] The pressure rod 520 has a first tooth 521 protruding from its outer periphery. The end of the first tooth 521 has a first guide surface 5211. The first tooth 521 is slidably disposed in the groove 512. The locking member 530 has a second tooth 531 protruding from its outer periphery. The end of the second tooth 531 has a second guide surface 5311. The end of the groove 512 has a sliding guide surface 5123 parallel to the second guide surface 5311. In other words, a sliding guide surface 5123 is provided at the gap between two adjacent grooves 512, and the second tooth 531 is slidably disposed in the groove 512. Several first guide surfaces 5211 and several second guide surfaces 5311 are provided, with each type forming a ring-shaped sawtooth pattern. When the pressure rod 520 is pressed for the first time, the first guide surface 5211 and the second guide surface 5311 cooperate to move the second tooth 531 of the locking member 530 out of the second sliding groove 5122. At this time, the second elastic member 550 is compressed, releasing the pressure rod 520. Under the action of the second elastic member 550 and the two guide surfaces, the locking member 530 rotates. Further, the second elastic member 550 pushes the second tooth 531 of the locking member 530 into the first sliding groove 5121, and when it enters the first sliding groove 5121, it is guided by the sliding guide surface 5123. At this time, the connecting rod 540 extends. When the lever 520 is pressed for the second time, the first guide surface 5211 and the second guide surface 5311 cooperate to move the second tooth 531 of the locking member 530 out of the first sliding groove 5121. At this time, the second elastic member 550 is compressed, releasing the lever 520. Under the action of the second elastic member 550 and the two guide surfaces, the locking member 530 rotates. Furthermore, the second elastic member 550 pushes the second tooth 531 of the locking member 530 into the second sliding groove 5122, and when it enters the second sliding groove 5122, it is guided by the sliding guide surface 5123. At this time, the connecting rod 540 retracts.

[0061] Regarding the fixing of the second elastic element 550, in some embodiments, the outer periphery of the connecting rod 540 is provided with a first limiting part 541 protruding radially, the inner wall of the fixing cylinder 510 is provided with a second limiting part 513 protruding radially, and the second elastic element 550 is a spring. The spring is sleeved on the connecting rod 540, with one end abutting against the first limiting part 541 and the other end abutting against the second limiting part 513.

[0062] A fixing block 511 is provided on the outer side of the fixing cylinder 510, and the fixing block 511 is screwed to the base. This arrangement allows the entire push-push mechanism 500 to be replaced as a whole when damaged, improving maintenance efficiency.

[0063] In some embodiments, the push-push mechanism 500 can also be replaced by an electric push rod, which is disposed on the base 100 and its output end is connected to the transmission member 300 to drive the transmission member 300 to move between a fixed position and an unlocked position along the second direction X.

[0064] In other embodiments, the transmission member 300 includes a transmission body and a pressing part 320 disposed on the transmission body. Pressing or dragging the pressing part 320 along the second direction X can drive the connecting body 210 to reciprocate along the first direction Y. In other embodiments, an elastic force can be applied to the transmission member 300 by a spring. A sliding block is provided on the transmission member 300, and a track is provided on the base 100. The sliding block slides in the track. A single press of the pressing part 320 moves the two connecting members 200 away from each other, and a second press moves the two connecting members 200 closer together. The trajectory of the track can be designed with reference to the ejection mechanism of an SD card slot.

[0065] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A quick-fixing mechanism, characterized in that, include: A base (100), wherein one of the base (100) and the mating member is inserted into the mounting groove of the other; Two connectors (200) are slidably disposed on the base (100) along a first direction (Y), and the two connectors (200) are close to or far from each other; the two connectors (200) are provided with a first guide portion (211); A transmission member (300) is movably disposed on the base (100) along a second direction (X). The transmission member (300) has a second guide portion (310) that cooperates with the first guide portion (211). At least one of the first guide portion (211) and the second guide portion (310) is an inclined surface.

2. The quick-fixing mechanism according to claim 1, characterized in that, The first guide portion (211) is a groove-shaped structure; the second guide portion (310) is a protruding structure provided on the transmission member (300), and the second guide portion (310) is located inside the first guide portion (211).

3. The quick-fixing mechanism according to claim 2, characterized in that, The connector (200) has at least two first guide portions (211) spaced apart along a second direction (X), and the transmission member (300) is provided with at least four second guide portions (310), the second guide portions (310) being cylindrical, and at least one second guide portion (310) being arranged in each of the first guide portions (211).

4. The quick-fixing mechanism according to claim 1, characterized in that, The quick-fixing mechanism further includes at least two first elastic elements (400), the first elastic elements (400) being disposed between each of the connectors (200) and the base (100); or, The quick-fixing mechanism further includes a first elastic element (400), which is disposed between the two connecting elements (200).

5. The quick-fixing mechanism according to claim 4, characterized in that, The connector (200) includes a connecting body (210) and a connecting cylinder (230) disposed on the connecting body (210). A baffle (110) is provided on the base (100). The baffle (110) is located between two connectors (200). At least one first elastic member (400) is arranged between each connector (200) and the baffle (110). One end of the first elastic member (400) is located in the connecting cylinder (230), and the other end abuts against the baffle (110).

6. The quick-fixing mechanism according to claim 5, characterized in that, The connector (200) further includes at least two insertion protrusions (220) provided on the side of the connector body (210), and the connector body (210) is slidably disposed on the base (100).

7. The quick-fixing mechanism according to claim 5, characterized in that, The connecting body (210) has a sliding groove (212) extending along the first direction (Y); the base (100) has a sliding protrusion (120) located in the sliding groove (212).

8. The quick-fixing mechanism according to claim 7, characterized in that, The connecting body (210) has at least two sliding grooves (212) arranged at intervals along the second direction (X), and the sliding protrusions (120) are cylindrical. At least two sliding protrusions (120) arranged at intervals along the first direction (Y) are arranged in each sliding groove (212).

9. The quick-fixing mechanism according to any one of claims 1-8, characterized in that, The quick-fixing mechanism also includes a push-push mechanism (500), the output end of which is connected to the transmission member (300) and drives the transmission member (300) to move along the second direction (X) and causes the two connecting members (200) to move closer to or further away from each other.

10. The quick-fixing mechanism according to claim 9, characterized in that, The push-push mechanism (500) includes a fixed cylinder (510), and a pressure rod (520), a locking member (530), a connecting rod (540), and a second elastic member (550) disposed within the fixed cylinder (510). The second elastic member (550) is disposed between the connecting rod (540) and the fixed cylinder (510). The fixed cylinder (510) has a plurality of circumferentially spaced sliding grooves (512) inside, and the first sliding groove (5121) and... The second sliding grooves (5122) are staggered, and the length of the first sliding groove (5121) is less than the length of the second sliding groove (5122); the end of the pressure rod (520) facing the locking member (530) is provided with a first tooth (521), and the end of the locking member (530) facing the pressure rod (520) has a second tooth (531) that meshes with the first tooth (521) and is distributed in each of the sliding grooves (512); the end of the connecting rod (540) is connected to the transmission member (300).

11. The quick-fixing mechanism according to claim 10, characterized in that, The pressure rod (520) has a first tooth (521) protruding on its outer periphery. The end of the first tooth (521) is provided with a first guide surface (5211). The first tooth (521) is slidably disposed in the slide groove (512). The locking member (530) has a second tooth (531) protruding on its outer periphery. The end of the second tooth (531) is provided with a second guide surface (5311). The end of the slide groove (512) is provided with a sliding guide surface (5123) parallel to the second guide surface (5311).

12. The quick-fixing mechanism according to claim 10, characterized in that, A fixing block (511) is provided on the outside of the fixing cylinder (510), and the fixing block (511) is screwed to the base (100).

13. The quick-fixing mechanism according to claim 10, characterized in that, The connecting rod (540) has a first limiting part (541) protruding radially on its outer periphery, and the inner wall of the fixed cylinder (510) has a second limiting part (513) protruding radially. The second elastic element (550) is a spring, which is sleeved on the connecting rod (540), with one end abutting against the first limiting part (541) and the other end abutting against the second limiting part (513).

14. The quick-fixing mechanism according to any one of claims 1-8, characterized in that, The quick-fixing mechanism also includes an electric push rod, which is located on the base (100) and its output end is connected to the transmission component (300).

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