Enhanced connecting base, barrel shell and rope object winding and unwinding device

Abstract

The utility model provides an enhanced connecting base, a base buckling part comprises buckling channels for a buckling cross beam of a barrel shell to extend into, the buckling channels extend towards the direction surrounding a base central part, and more than two buckling channels are arranged around the base central part; the seat buckling part comprises an inner channel wall located on the inner ring of the buckling channel, an outer channel wall located on the outer ring of the buckling channel, and an upper channel wall connected between the upper portion of the inner channel wall and the upper portion of the outer channel wall. In the actual use process, when the barrel shell and the connecting base need to be connected, the shell buckling part of the barrel shell corresponds to the base buckling part of the connecting base, the buckling cross beam of the barrel shell corresponds to the buckling channel of the connecting base, and the barrel shell is rotated in the axis direction of the barrel shell so that the buckling cross beam can stretch into the buckling channel; the buckle channel limits the buckle cross beam, the barrel shell is prevented from being disengaged in the axis direction, connection of the barrel shell and the connecting base is achieved, operation is convenient, and the barrel shell can be reversely rotated during disassembly. The utility model further provides a barrel shell and a rope object winding and unwinding device.

Description

Technical Field

[0001] The utility model relates to the field of daily life, and in particular to an enhanced connection base, a cylinder shell and a rope and object taking and releasing device. Background Art

[0002] The openings of shoes, clothes, backpacks, hats, protective gear and other items are usually provided with ropes or other ropes for tightening or loosening. Currently, people fix the tightness of the ropes by tying knots, which is cumbersome and inconvenient to operate, easy to loosen, and not simple and beautiful enough.

[0003] In order to solve the above problems, Chinese utility model patent CN201820751299.8 discloses a lacing system based on a rotor and a stator, including a rotor and a stator, wherein the stator includes a stator main part and an extension bracket, wherein the stator main part, the rotor and the extension bracket are matched and connected in sequence, wherein the rotor is provided with winding grooves and threading holes along the circumferential direction, wherein the rotor or the stator main part is provided with teeth, and the stator main part or the rotor matched and connected therewith is correspondingly provided with ratchets; wherein the stator is provided with a gear structure, wherein the ratchets and the teeth are engaged or separated through the gear structure. The stator main part and the extension bracket are fixedly connected by screws or buckle structures. The gear structure is one of a fixed gear and an elastic gear. The fixed gear includes a gear protrusion and a correspondingly arranged retaining ring. The elastic gear includes an elastic foot and a retaining ring, wherein the elastic foot includes a root and an elastic body, and the outer side surface of the elastic body is provided with at least one limiting groove for limiting the retaining ring. The extension bracket has a module cavity, and the module cavity is used to accommodate a functional module and a power supply. The mating connection surface of the rotor is provided with teeth, and the mating connection surface of the stator main component is correspondingly provided with a pawl. The mating connection surface of the stator main component is provided with teeth, and the mating connection surface of the rotor is correspondingly provided with a pawl. The lacing system also includes a cover body, which is matingly connected to the rotor through a buckle, and the cover body includes an accommodating cavity, and the accommodating cavity includes a first inner cavity and a second inner cavity distributed in a step-like manner, the first inner cavity is used to accommodate the module cavity part of the extension bracket, and the inner wall of the first inner cavity is provided with an annular groove in the circumferential direction near the step, and the annular groove is evenly spaced with buckle structures in the circumferential direction for embedding and connecting with the rotor. A lacing system based on a rotor and a stator includes a rotor and a stator, and is characterized in that the stator only includes a stator main part, and the rotor includes an upper cover, a ratchet and a winding groove fixedly connected in sequence from top to bottom, the stator main part is provided with teeth, and the rotor is correspondingly provided with pawls; the stator main part is provided with an elastic stop pin, and the teeth and the pawl are engaged or separated through the elastic stop pin.

[0004] The utility model solves the problem of manual shoelace tying to a certain extent by using a knob to retract and release the rope, but its cylinder shell and the connecting base are connected in the form of a press buckle, that is, the cylinder shell and the connecting base are buckled by the inner and outer rings. When the connecting base or the cylinder shell is deformed by force, the two are prone to disengagement. The buckle strength and stability need to be improved, and it is more troublesome to disassemble.

[0005] In view of this, the inventor of this case conducted in-depth research on the above-mentioned issues, which led to the emergence of this case. Utility Model Content

[0006] One purpose of the utility model is to provide an enhanced connection base which is convenient to assemble and disassemble with a cylinder shell and has a firm and stable snap fit.

[0007] The second purpose of the utility model is to provide a cylindrical shell which is easy to assemble and disassemble from a connection base and has a firm and stable snap fit.

[0008] The third purpose of the utility model is to provide a rope-retracting and releasing device which is convenient to assemble and disassemble and has a firm and stable buckle.

[0009] In order to achieve the above object, the utility model adopts the following technical solution:

[0010] A reinforced connection base includes a seat body, the seat body is provided with a seat buckle part connected with a cylinder shell by buckle; the seat body has a seat center part corresponding to the axis of the cylinder shell; the seat buckle part includes a buckle channel for a buckle crossbeam of the cylinder shell to extend into, the buckle channel extends in a direction around the seat center part, and more than two buckle channels are arranged around the seat center part; the seat buckle part includes an inner channel wall located in the inner circle of the buckle channel, an outer channel wall located in the outer circle of the buckle channel, and an upper channel wall connected between the upper parts of the inner channel wall and the outer channel wall.

[0011] The seat body has an upper side facing the cylinder shell and a lower side facing the opposite side; the buckle channel is higher than the upper side of the seat; the seat body has a front facing the direction of the combined force of the rope and the rear facing the opposite direction; the two buckle channels are respectively located in the front and rear of the center of the seat;

[0012] Alternatively, three or more snap channels are arranged around the center portion of the seat in a uniform or non-uniform manner;

[0013] Alternatively, the seat body has a front portion facing the direction of the combined force of the rope and object pulling and a rear portion facing the opposite direction; and the four buckle channels are located in four directions of the front, back, left and right of the center of the seat.

[0014] The seat body has an upper side surface facing the cylinder shell and a lower side surface on the opposite side; the upper surface of the upper channel wall is flush with or higher than the upper side surface of the seat; the inner channel wall and the outer channel wall are connected to the upper side surface of the seat and extend in a direction away from the seat body; the seat body includes an inner ring part located in the inner ring of the buckle channel and an outer ring part located in the outer ring of the buckle channel; the inner channel wall is connected to the inner ring part, and the outer channel wall is connected to the outer ring part.

[0015] The inner wall is shorter than the outer wall in the direction around the center of the seat; at least one of the inner wall and the outer wall is in the shape of an arc around the center of the seat;

[0016] Alternatively, it also includes a surrounding wall surrounding the outer circle of the buckle channel; the surrounding wall protrudes from the upper side of the seat; the surrounding wall and the outer channel wall form a full circle structure surrounding the center of the seat.

[0017] The surrounding wall is provided with a seat anti-rotation buckle part which matches with the shell anti-rotation buckle part.

[0018] The inner channel wall, the outer guide part and the upper channel wall are all integrally injection molded with the seat body; the seat body is formed with a molding opening below the upper channel wall; the molding opening is below the buckle channel and penetrates the lower side surface of the seat body, the outer channel wall is connected to the outer ring edge of the molding opening, the inner channel wall is connected to the inner ring edge of the molding opening, and connecting ribs are provided between adjacent buckle channels;

[0019] Alternatively, the buckle channel has an entrance end for the buckle beam to be buckled into and a tail end at the other end, the tail end has a tail end wall, and the tail end wall is connected between the inner channel wall and the outer channel wall.

[0020] A cylindrical shell comprises a shell body, wherein the shell body is provided with a shell buckle part which is buckled with a seat buckle part; the shell buckle part comprises a buckle crossbeam extending into a buckle channel, and the buckle crossbeam extends in a direction around the axis of the shell body.

[0021] The shell body comprises a shell lower part facing the connection base and a shell upper part facing the opposite direction; an upper gap is provided between the snap beam and the shell body located above the snap beam; the size of the upper gap is greater than or equal to the thickness of the upper wall; the shell body comprises a bearing part supporting the snap beam; the snap beam comprises a beam free end extending into the snap channel and a beam root connected to the shell body, and an end gap is provided between the beam free end and the shell body part to which it points; in the direction around the axis of the shell body, the size of the end gap is greater than or equal to the size of the upper wall; the shell body is provided with a shell anti-rotation snap portion cooperating with the seat anti-rotation snap portion.

[0022] The free end of the beam extends in the direction of loosening the rope; the buckle beam is an arc with the same arc as the side wall of the shell body; more than two buckle beams are arranged around the axis of the shell body; the free ends of the buckle beams face the same clockwise direction.

[0023] A rope and object collecting and releasing device comprises a reinforced connecting base and a cylinder shell; the reinforced connecting base comprises a seat body, the seat body is provided with a seat buckle part which is buckled connected to the cylinder shell, and the seat body has a seat center part corresponding to the axis of the cylinder shell; the seat buckle part comprises a buckle channel for a buckle beam of the cylinder shell to extend into, and the buckle channel extends in a direction around the seat center part; the cylinder shell comprises a shell body, the shell body is provided with a shell buckle part which is buckled connected to the seat buckle part; the shell buckle part comprises a buckle beam which extends into the buckle channel, and the buckle beam extends in a direction around the axis of the shell body; the buckle beam extends into the buckle channel by rotating the shell body relative to the seat body; it also comprises a knob and a winding shaft, and the winding shaft is installed in the cylinder shell; the knob and the winding shaft are provided with a transmission device.

[0024] After adopting the above technical solution, the enhanced connection base of the utility model breaks through the structural form of the traditional connection base. In actual use, when the cylindrical shell and the connection base need to be connected, the shell buckle part of the cylindrical shell can be made to correspond to the seat buckle part of the connection base, so that the buckle beam of the cylindrical shell corresponds to the buckle channel of the connection base, and the cylindrical shell is rotated around the axis direction of the cylindrical shell so that the buckle beam extends into the buckle channel. The buckle channel limits the buckle beam to prevent the cylindrical shell from falling out along the axis direction, thereby realizing the connection between the cylindrical shell and the connection base. The operation is convenient, and the cylindrical shell can be reversed when disassembling. More than two buckle channels can buckle the cylindrical shell in multiple directions to ensure strength. Moreover, the connecting base limits the buckle beam from moving toward the inner circle through the inner wall, so as to prevent the cylinder shell from deviating toward the inner circle or coming out; limits the buckle beam from moving toward the outer circle through the outer wall, so as to prevent the cylinder shell from deviating toward the outer circle or coming out; limits the buckle beam from moving upward or away from the connecting base through the upper wall, so as to prevent the cylinder shell from directly detaching from the connecting base, and the cylinder shell is not easy to shake relative to the connecting base, thus ensuring the firmness and stability of the buckle between the cylinder shell and the connecting base. Compared with the prior art, the enhanced connecting base of the utility model has the advantages of convenient assembly and disassembly with the cylinder shell, firm and stable buckle, etc.

[0025] The cylinder shell of the utility model breaks through the structural form of the traditional cylinder shell. In actual use, when the cylinder shell and the connection base need to be connected, the shell buckle part of the cylinder shell can be made to correspond to the seat buckle part of the connection base, so that the buckle beam of the cylinder shell corresponds to the buckle channel of the connection base, and the cylinder shell is rotated around the axis direction of the cylinder shell so that the buckle beam extends into the buckle channel. The buckle channel limits the buckle beam to prevent the cylinder shell from falling out along the axis direction, thereby realizing the connection between the cylinder shell and the connection base. The operation is convenient, and the cylinder shell can be reversed when disassembling. Compared with the prior art, the cylinder shell of the utility model has the advantages of convenient assembly and disassembly with the connection base, firm and stable buckle, etc.

[0026] The rope-retracting and releasing device of the utility model breaks through the structural form of the traditional rope-retracting and releasing device. In actual use, the winding shaft and the cylinder shell are installed and used in combination. When the cylinder shell and the connecting base need to be connected, the shell buckle part of the cylinder shell can be made to correspond with the seat buckle part of the connecting base, so that the buckle beam of the cylinder shell corresponds to the buckle channel of the connecting base. The cylinder shell is rotated around the axis direction of the cylinder shell so that the buckle beam extends into the buckle channel. The buckle channel limits the buckle beam to prevent the cylinder shell from slipping out along the axis direction, thereby realizing the connection between the cylinder shell and the connecting base. The operation is convenient, and the cylinder shell can be reversed when disassembled. Moreover, the knob drives the winding shaft to rotate to wind the rope. The transmission device may specifically include a button tooth provided on the lower surface of the knob and a shaft tooth provided on the upper end of the winding shaft, and the button tooth and the shaft tooth cooperate with each other. Compared with the prior art, the rope-retracting and releasing device of the utility model has the advantages of convenient disassembly and assembly, and firm and stable buckle. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of a three-dimensional structure connecting a base;

[0028] Figure 2 It is a schematic diagram of the cross-sectional structure of the connection base;

[0029] Figure 3 A schematic diagram of the top view of the connection base;

[0030] Figure 4 It is a schematic diagram of the structure viewed from above when connected to the base;

[0031] Figure 5 Schematic diagram of the three-dimensional structure of the cylinder shell;

[0032] Figure 6 It is a schematic diagram of the structure of the cylinder shell viewed from above;

[0033] Figure 7 It is a schematic diagram of the cross-sectional structure of the cylinder shell;

[0034] Figure 8 It is a schematic cross-sectional structural diagram of a rope-object collecting and releasing device;

[0035] Fig. 9 It is a schematic diagram of a three-dimensional structure of a connection base having a tail end wall.

[0036] In the figure:

[0037] 1-seat body 11-buckle channel 111-tail end wall 12-inner wall 13-outer wall 14-upper wall 15-inner ring part 16-outer ring part 17-surrounding wall 171-seat anti-rotation buckle part 1711-buckle surface 1712-buckle inclined surface 18-molded opening 19-connecting rib

[0038] 2-shell body 21-buckle beam 211-beam free end 212-beam root 213-guide slope 22-upper gap 23-accommodating groove 24-bearing part 25-end gap 26-shell anti-rotation buckle part

[0039] 3- Knob 4- Winding shaft 5- Transmission device. DETAILED DESCRIPTION

[0040] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0041] The utility model provides an enhanced connection base, such as Figure 1-9As shown, it includes a seat body 1, which is provided with a seat buckle part connected with the cylinder shell by buckle; the seat body 1 has a seat center part corresponding to the axis of the cylinder shell; the seat buckle part includes a buckle channel 11 for the buckle crossbeam 21 of the cylinder shell to extend into, and the buckle channel 11 extends in the direction around the seat center part; more than two buckle channels 11 are arranged around the seat center part; the seat buckle part includes an inner channel wall 12 located in the inner circle of the buckle channel 11, an outer channel wall 13 located in the outer circle of the buckle channel 11, and an upper channel wall 14 connected between the upper parts of the inner channel wall 12 and the outer channel wall 13. In actual use of the utility model, when it is necessary to connect the cylinder shell and the connecting base, the shell buckle part of the cylinder shell can be made to correspond to the seat buckle part of the connecting base, so that the buckle beam 21 of the cylinder shell corresponds to the buckle channel 11 of the connecting base, and the cylinder shell is rotated around the axis direction of the cylinder shell so that the buckle beam 21 extends into the buckle channel 11, and the buckle channel 11 limits the buckle beam 21 to prevent the cylinder shell from slipping out along the axis direction, so as to achieve the connection between the cylinder shell and the connecting base, and the operation is convenient, and the cylinder shell can be reversed when disassembling. The specific structure can be that the extension path of the buckle channel 11 and the buckle beam 21 is an arc shape around the center of the seat, which is conducive to rotating the cylinder shell so that the buckle beam 21 can be smoothly matched and snapped into the buckle channel 11 for limiting. More than two buckle channels 11 can buckle the cylinder shell in multiple directions to ensure strength. Moreover, the connection base limits the buckle beam 21 from moving toward the inner circle through the inner wall 12, so as to prevent the shell from deviating toward the inner circle or coming out; limits the buckle beam 21 from moving toward the outer circle through the outer wall 13, so as to prevent the shell from deviating toward the outer circle or coming out; limits the buckle beam 21 from moving upward or away from the connection base through the upper wall 14, so as to prevent the shell from directly detaching from the connection base, and the shell is not easy to shake relative to the connection base, so as to ensure the firmness and stability of the buckle between the shell and the connection base. The specific structure can be that the seat body 1 has a seat upper side facing the shell and a seat lower side on the opposite side; the upper surface of the upper wall 14 is flush with or higher than the seat upper side. The buckle beam 21 of the shell is beneficial to the shell and corresponds to the buckle channel 11 above the seat upper side and can be directly snapped in, so as to ensure smooth and efficient operation. Further, the inner wall 12 and the outer wall 13 are connected to the seat upper side and extend in a direction away from the seat body 1. This structure makes the inner wall 12 and the outer wall 13 protrude from the upper side of the seat and can be directly limited to the inner and outer sides of the buckle beam 21, which is directly and efficiently limited to the inner and outer sides of the buckle beam 21. Furthermore, the inner wall 12 and the outer wall 13 are perpendicular to the upper side of the seat. It is beneficial for the inner wall 12 and the outer wall 13 to be in close contact with the buckle beam 21, and it is also beneficial for demoulding. The inner wall 12 and the outer wall 13 can also be inclined toward the buckle beam 21 from bottom to top. The thickness of the upper wall 14 can be specifically 0.5-3mm to ensure strength, and the material can be nylon or TPU, etc.

[0042] In another embodiment, the seat body 1 has an upper seat side facing the cylinder shell and a lower seat side at the opposite side; the buckle channel 11 is higher than the upper seat side. The buckle crossbeam 21 of the cylinder shell is located above the upper seat side and corresponds to the buckle channel 11 and can be directly buckled in, ensuring smooth and efficient operation.

[0043] In another embodiment, two snap-in channels 11 are arranged symmetrically with respect to the center of the seat. The two snap-in channels 11 can correspond to the two snap-in beams 21 one by one and realize smooth snap-in at the same time along the same rotation direction, and the cylinder shell is limited on both sides of the cylinder shell at the same time, and the snap-in is balanced, firm and stable, so that the cylinder shell is not easy to be disengaged. The specific structure can be that the seat body 1 has a front facing the direction of the combined force of the rope pulling and a rear facing the opposite direction; the two snap-in channels 11 are located in the front and rear of the center of the seat. This structure makes the snap-in position of the cylinder shell and the connecting base correspond to the front and rear direction of the main force, that is, the lateral limit of the snap-in beam 21 by the snap-in channel 11 resists the force of the rope pulling, so that the snap-in beam 21 is not easy to move out of the snap-in channel 11.

[0044] In another embodiment, more than three snap-in channels 11 are arranged around the center of the seat in a uniform or uneven manner. More than three snap-in channels 11 correspond to and snap-in with more than three snap-in beams 21 one by one, and limit the cylinder shell in more than three directions of the cylinder shell. The snap-in is balanced, firm and stable, so that the cylinder shell is not easy to disengage. The specific structure may be that three or four snap-in channels 11 are evenly arranged around the axis of the cylinder shell. This structure enables the snap-in position of the cylinder shell and the connecting base to achieve a full-dimensional snap-in form in three or four directions, ensuring that the snap-in is balanced and firm. Furthermore, the seat body 1 has a front facing the direction of the combined force of the rope pulling and a rear facing the opposite direction; the four snap-in channels 11 are located in the four directions of the front, back, left and right of the center of the seat. This structure enables the buckle positions of the cylinder shell and the connection base to correspond to the front-back direction and the left-right direction of the main force, that is, the two front and rear buckle channels 11 and the buckle beam 21 can be matched with the two left and right buckle channels 11 and the buckle beam 21 to achieve matching and limiting, and the lateral limit of each buckle beam 21 resists forces in all directions, so that the buckle beam 21 is not easy to move out of the buckle channel 11. The number of buckle channels 11 can also be more according to the strength requirements, such as 6 buckle channels are arranged around the center of the seat in a uniform or uneven manner, and the cylinder shell can be firmly buckled from all directions. The sizes of each buckle channel 11 can also be different.

[0045] In another embodiment, the seat body 1 includes an inner ring portion 15 located in the inner ring of the buckle channel 11 and an outer ring portion 16 located in the outer ring of the buckle channel 11. The inner ring portion 15 can support and limit the winding shaft 4 and other components, and can also prevent the winding shaft 4 and other internal components from contacting the surface of the object to be connected, and can also ensure the strength of the seat body 1 and prevent deformation. The specific structure can be that the inner channel wall 12 is connected to the inner ring portion 15, and the outer channel wall 13 is connected to the outer ring portion 16. This structure allows the inner ring portion 15 to carry the inner channel wall 12, and the outer ring portion 16 to carry the outer channel wall 13, and can ensure the strength of the inner channel wall 12 and the outer channel wall 13 respectively.

[0046] In another embodiment, the inner wall 12 is shorter than the outer wall 13 in the direction around the center of the seat. This structure allows the inner wall 12 and the outer wall 13 to adapt to the circumference of the inner and outer circles where they are located, so that the outer wall 13 has a higher strength to limit the cylinder shell in a certain area, ensuring that the connection between the cylinder shell and the connection base is firm and stable.

[0047] In another embodiment, at least one of the inner wall 12 and the outer wall 13 is in an arc shape around the center of the seat, which is conducive to rotating the shell so that the buckle beam 21 can be smoothly matched and buckled into the buckle channel 11 for limiting.

[0048] Another embodiment further includes a surrounding wall 17 surrounding the outer circle of the buckle channel 11. The surrounding wall 17 can limit the buckle beam 21 and the lower part of the cylinder shell on the periphery, and limit it within a certain area to ensure that the cylinder shell is firmly and stably connected to the connecting base. The specific structure can be that the surrounding wall 17 protrudes from the upper side of the seat. This structure can ensure that the surrounding wall 17 surrounds the lower part of the cylinder shell and the outer periphery of the buckle beam 21, and ensures the strength of limiting the buckle beam 21 and the lower part of the cylinder shell. Further, the surrounding wall 17 and the outer channel wall 13 form a full circle structure around the center of the seat. This structure can ensure the strength of the surrounding wall 17 and the outer channel wall 13, and have certain compression resistance, tension resistance and deformation resistance. Furthermore, the upper ends of the surrounding wall 17 and the outer channel wall 13 are flush. The structure of the surrounding wall 17 and the outer channel wall 13 is made more complete and regular, and it is not easy to have stress concentration, and it will not scratch the operator's hand, ensuring strength and practicality. The specific structure may be that at least one of the inner side of the upper end of the surrounding wall 17 and the outer side of the lower end of the buckle cross beam 21 is formed with an insertion inclined surface for facilitating the installation of the cylinder shell into the inner circle of the surrounding wall 17.

[0049] In another embodiment, the surrounding wall 17 is provided with a seat anti-rotation buckle portion 171 that cooperates with the shell anti-rotation buckle portion 26. When the cylindrical shell rotates relative to the connection base and the buckle crossbeam 21 is buckled with the buckle channel 11, the seat anti-rotation buckle portion 171 will cooperate with the shell anti-rotation buckle portion 26 of the cylindrical shell to prevent the cylindrical shell from being reversed and disengaged relative to the connection base, ensuring that the cylindrical shell and the connection base are firmly and stably buckled. The specific structure can be that the seat anti-rotation buckle portion 171 is a seat protrusion or seat groove formed on the inner circle side of the surrounding wall 17. The seat anti-rotation buckle portion 171 in the form of a seat protrusion or seat groove can cooperate with the shell anti-rotation buckle portion 26 in the form of a shell groove or shell protrusion to buckle together to prevent the cylindrical shell from being reversed and disengaged relative to the connection base. Further, the direction in which the shell body 2 rotates relative to the seat body 1 so that the buckle beam 21 is buckled into the buckle channel 11 is the buckle direction, and the direction in which the shell body 2 rotates relative to the seat body 1 so that the buckle beam 21 is disengaged from the buckle channel 11 is the disengagement direction; the seat protrusion includes a stop surface 1711 facing the buckle direction and a snap-in inclined surface 1712 facing the disengagement direction, and the snap-in inclined surface 1712 is an inclined surface that gradually tilts toward the disengagement direction from the end of the seat protrusion to the root. When the cylinder shell rotates relative to the connecting base in the buckle direction, the buckle beam 21 gradually enters the buckle channel 11, and the cylinder shell will snap the shell groove at the stop surface 1711 of the seat protrusion along the snap-in inclined surface 1712. Further, the upper surface of the seat protrusion has a trend-following inclined surface that gradually tilts downward from the root to the tip; the stop surface 1711 tilts from the root to the end of the seat protrusion toward the axis direction of the shell body 2 or gradually toward the buckle direction. This inclined surface facilitates the smooth insertion of the shell. This type of stop surface 1711 can cooperate with the corresponding stop surface of the shell groove to lock the shell, thereby preventing the seat protrusion from falling out of the shell groove due to the reverse force on the shell.

[0050] In another embodiment, the inner channel wall 12, the outer guide part and the upper channel wall 14 are all integrally injection molded with the seat body 1. This structure can ensure the integrity and strength of the inner channel wall 12, the outer guide part and the seat body 1. Specifically, they can be integrally injection molded with resin materials such as nylon, POM, TPU, etc. Further, the seat body 1 is formed with a molding port 18 located below the upper channel wall 14. During injection molding, the molding port 18 can be used to mold the lower surface of the upper channel wall 14, and it is convenient for demolding. In order to ensure the strength at the molding port 18, the specific structure can be that the molding port 18 is located below the buckle channel 11 and passes through the lower side of the seat body 1, the outer channel wall 13 is connected to the outer ring edge of the molding port 18, and the inner channel wall 12 is connected to the inner ring edge of the molding port 18.

[0051] In another embodiment, the buckle channel 11 has an entrance end for the buckle beam 21 to be inserted and a tail end at the other end, and the tail end has a tail end wall 111, and the tail end wall 111 is connected between the inner track wall 12 and the outer track wall 13. The tail end wall 111 can limit the rotation of the buckle beam 21, and can also serve as a reinforcing rib of the buckle channel 11 to ensure strength. In order to ensure that the buckle channel 11 is not easily deformed, the specific structure can be that the tail end wall 111 is connected between the upper track wall 14, the inner track wall 12, the outer track wall 13 and the upper side surface of the seat.

[0052] In another embodiment, the buckle channel 11 is in a through form, that is, both ends of the buckle channel 11 are transparent, which can ensure that the buckle crossbeam 21 can be smoothly extended into or pulled out of the buckle channel 11.

[0053] In another embodiment, the buckle channel 11 is non-through, that is, the buckle channel 11 is not transparent, and has a limiting protrusion or a reinforcing rib inside or at the rear end, which can limit the buckle beam 21 or strengthen the buckle channel 11.

[0054] In another embodiment, there are connecting ribs 19 between adjacent buckle channels 11. The connecting ribs 19 can support and strengthen the adjacent buckle channels 11, thereby ensuring the strength of the seat body 1 and preventing it from being deformed.

[0055] A shell, such as Figure 1-9As shown, it includes a shell body 2, and the shell body 2 is provided with a shell buckle part that is buckled and connected with the seat buckle part; the shell buckle part includes a buckle beam 21 extending into the buckle channel 11, and the buckle beam 21 extends in the direction around the axis of the shell body 2. In actual use, when it is necessary to connect the cylindrical shell and the connecting base, the shell buckle part of the cylindrical shell can be made to correspond to the seat buckle part of the connecting base, so that the buckle beam 21 of the cylindrical shell corresponds to the buckle channel 11 of the connecting base, and the cylindrical shell is rotated around the axis direction of the cylindrical shell so that the buckle beam 21 extends into the buckle channel 11, and the buckle channel 11 limits the buckle beam 21 to prevent the cylindrical shell from slipping out along the axis direction, so as to realize the connection between the cylindrical shell and the connecting base, and the operation is convenient, and the cylindrical shell can be reversed when disassembling. The specific structure can be that the extension path of the buckle channel 11 and the buckle beam 21 is an arc shape around the axis of the shell body 2, which is conducive to rotating the cylindrical shell so that the buckle beam 21 can be smoothly matched and snapped into the buckle channel 11 for limiting. The specific structure may be that each buckle beam 21 is integrally injection molded with the shell body 2 and formed at the lower part of the shell body 2 so as to correspond to the connection base. The barrel shell may be specifically made of resin materials such as POM or PC. Furthermore, the shell body 2 has a shell lower part facing the connection base and a shell upper part facing the opposite direction; an upper gap 22 is provided between the buckle beam 21 and the shell body 2 located above the buckle beam 21. When the barrel shell rotates relative to the connection base and the buckle beam 21 gradually extends into the buckle channel 11, the upper wall 14 of the buckle channel 11 gradually enters the upper gap 22, and the upper gap 22 can accommodate and limit the upper wall 14, and make the buckle beam 21 stuck under the upper wall 14 to prevent it from falling out. The specific structure may be that the size of the upper gap 22 is greater than or equal to the thickness of the upper wall 14, so that the upper wall 14 can smoothly enter the upper gap 22.

[0056] In another embodiment, a receiving groove 23 for receiving the buckle beam 21 is formed at the lower part of the shell body 2. This structure can ensure the strength of the buckle beam 21 and the compact structure of the shell as a whole. The specific structure can be that the receiving groove 23 penetrates downward to the lower end of the side wall of the shell body 2, and the lower surface of the buckle beam 21 is flush with the lower end of the shell body 2. The buckle beam 21 can be smoothly inserted into the buckle channel 11 along a plane flush with the lower end of the shell body 2. When the buckle beam 21 is inserted into the buckle channel 11, the lower end of the shell body 2 and the upper surface of the connecting base are mutually limited. The specific structure can be that the buckle beam 21 is formed on one vertical groove wall of the receiving groove 23 and faces the other vertical groove wall. This structure can make the buckle beam 21 completely accommodated in the receiving groove 23 and extend in the horizontal direction, so that the upper road wall 14 can extend into the receiving groove 23 and buckle with the buckle beam 21.

[0057] In another embodiment, the shell body 2 includes a bearing portion 24 for bearing the buckle beam 21. The strength of the buckle beam 21 can be ensured. In a specific structure, the bearing portion 24 is a part of the shell body 2 and faces the connection base.

[0058] In another embodiment, the snap-on cross beam 21 has a beam free end 211 extending into the snap-on channel 11 and a beam root 212 connected to the shell body 2, and an end gap 25 is provided between the beam free end 211 and the portion of the shell body 2 to which it points. When the cylindrical shell approaches the connecting base and corresponds along the axial direction, the upper wall 14 of the snap-on channel 11 can enter the accommodating groove 23 from the end gap 25, and the beam free end 211 of the snap-on cross beam 21 corresponds to the entrance of the snap-on channel 11, which is conducive to the alignment of the snap-on cross beam 21 and the snap-on channel 11 and the snap-on. The specific structure can be that in the direction around the axis of the shell body 2, the size of the end gap 25 is greater than or equal to the size of the upper wall 14, so that the upper wall 14 can smoothly enter the end gap 25.

[0059] In order to ensure that the buckle beam 21 and the buckle channel 11 are firmly and stably buckled, in another embodiment, the length of the buckle beam 21 is 1.5-10 (specifically 1.5, 2, 3, 4, 5, 6, 7, 8, 9 or 10) mm. If the length is too short, it is not easy to hook the upper wall 14, and if the length is too long, it is easy to cause the buckle beam 21 to break. In order to ensure the strength and reasonable size of the buckle beam 21, further, the thickness of the buckle beam 21 in the height direction is 1.5-5 mm, and the thickness between the inner and outer circle sides is 1-4 mm.

[0060] In another embodiment, the buckle beam 21 has a beam free end 211 extending into the buckle channel 11 and a beam root 212 connected to the shell body 2, and at least one of the upper edge and the inner edge of the beam free end 211 has a chamfer or a guide slope 213. This structure facilitates the buckle beam 21 to be smoothly buckled into the buckle channel 11.

[0061] Since the knob 3, the claw and the winding shaft 4 can be buckled together in the direction of loosening the rope, that is, rotating the knob 3 in the direction of loosening the rope can drive the shell to rotate, in another embodiment, the beam free end 211 extends in the direction of loosening the rope. The buckle beam 21 can be extended into the buckle channel 11 and buckled by rotating the knob 3 in the direction of loosening the rope, which is convenient and efficient to operate.

[0062] In another embodiment, the buckle beam 21 is an arc with the same arc as the side wall of the shell body 2. This structure is conducive to rotating the cylindrical shell so that the buckle beam 21 can be smoothly matched and snapped into the buckle channel 11 for limiting. The specific structure can be that the projection of the buckle beam 21 and the side wall of the shell body 2 on the horizontal plane coincides. The buckle beam 21 and the shell body 2 are compact in structure, do not occupy a large diameter range, and are conducive to the buckle beam 21 and the shell body 2 being demoulded from top to bottom.

[0063] In another embodiment, two or more snap-in crossbeams 21 are arranged around the axis of the shell body 2. Two or more snap-in channels 11 correspond to and snap-in with two or more snap-in crossbeams 21 one by one, and the cylinder shell is limited in two or more directions of the cylinder shell, and the snap-in is balanced, firm and stable, so that the cylinder shell is not easy to be disengaged. The specific structure can be that three or four snap-in crossbeams 21 are arranged around the axis of the shell body 2. This structure enables the snap-in position of the cylinder shell and the connection base to achieve a full-dimensional snap-in form in three or four directions, ensuring that the snap-in is balanced and firm.

[0064] In another embodiment, the lower part of the shell body 2 is formed with more than two accommodating grooves 23 corresponding to each other for accommodating the buckle beams 21, and the shell body 2 includes more than two bearing parts 24 corresponding to each other for carrying the buckle beams 21, and the accommodating grooves 23 and the bearing parts 24 are arranged at intervals. The more than two accommodating grooves 23 and the bearing parts 24 can accommodate and carry more than two buckle beams 21, and the more than two buckle channels 11 correspond to and buckle with the more than two buckle beams 21, and limit the cylindrical shell in more than two directions of the cylindrical shell, and the buckle is balanced, firm and stable, so that the cylindrical shell is not easy to be disengaged. Furthermore, the buckle beam 21 has a beam free end 211 extending into the buckle channel 11 and a beam root 212 connected to the shell body 2, and there is an end gap 25 between the beam free end 211 and the adjacent bearing part 24. When the cylindrical shell approaches the connection base and corresponds to it along the axial direction, the upper wall 14 of the buckle channel 11 can enter the accommodating groove 23 from the end gap 25, and the beam free end 211 of the buckle beam 21 corresponds to the entrance of the buckle channel 11, which is conducive to the alignment and buckling of the buckle beam 21 and the buckle channel 11. The specific structure can be that in the direction around the axis of the shell body 2, the size of the end gap 25 is greater than or equal to the size of the upper wall 14, so that the upper wall 14 can smoothly enter the end gap 25.

[0065] In another embodiment, the free ends 211 of the buckle beams 21 face the same clockwise direction. This structure can drive the buckle beams 21 to simultaneously extend into the corresponding buckle channels 11 for buckling when the shell is rotated in the same direction; similarly, when the shell is reversed, the buckle beams 21 can be driven to escape from the buckle channels 11.

[0066] In another embodiment, the shell body 2 is provided with a shell anti-rotation buckle portion 26 that cooperates with the seat anti-rotation buckle portion 171. When the cylindrical shell rotates relative to the connection base and the buckle crossbeam 21 is buckled with the buckle channel 11, the seat anti-rotation buckle portion 171 will cooperate with the shell anti-rotation buckle portion 26 of the cylindrical shell to prevent the cylindrical shell from being reversed and disengaged relative to the connection base, ensuring that the cylindrical shell and the connection base are firmly and stably buckled. The specific structure can be that the shell anti-rotation buckle portion 26 is a shell groove or a shell protrusion formed on the side wall of the shell body 2. The shell anti-rotation buckle portion 26 in the form of a shell groove or a shell protrusion can be buckled with the seat anti-rotation buckle portion 171 in the form of a seat protrusion or a seat groove to prevent the cylindrical shell from being reversed and disengaged relative to the connection base. Further, the shell anti-rotation buckle portion 26 is a shell groove formed on the outer peripheral surface of the side wall of the shell body 2. It is convenient to correspond to the seat anti-rotation buckle portion 171 in the form of a seat protrusion formed on the inner side of the surrounding wall 17. Furthermore, the shell groove extends downward to the lower end of the side wall of the shell body 2, so as to facilitate the shell rotation stop buckle portion 26 in the form of the shell groove to be demoulded from below.

[0067] In another embodiment, the buckle beam 21 and the shell body 2 are integrally injection molded. This structure can ensure the integrity and strength of the buckle beam 21 and the shell body 2. Specifically, the buckle beam 21 and the shell body 2 can be integrally injection molded with resin materials such as nylon, POM, TPU, etc.

[0068] A rope-retracting device, such as Figure 1-9As shown, it includes an enhanced connecting base and a cylinder shell; the enhanced connecting base includes a seat body 1, the seat body 1 is provided with a seat snap-on portion which is snap-connected with the cylinder shell, and the seat body 1 has a seat center portion corresponding to the axis of the cylinder shell; the seat snap-on portion includes a snap-on channel 11 for a snap-on crossbeam 21 of the cylinder shell to extend into, and the snap-on channel 11 extends in a direction around the seat center portion; the cylinder shell includes a shell body 2, the shell body 2 is provided with a shell snap-on portion which is snap-connected with the seat snap-on portion; the shell snap-on portion includes a snap-on crossbeam 21 which extends into the snap-on channel 11, and the snap-on crossbeam 21 extends in a direction around the axis of the shell body 2; the snap-on crossbeam 21 extends into the snap-on channel 11 by rotating the shell body 2 relative to the seat body 1. During the actual use of the utility model, the winding shaft 4 is installed and used in conjunction with the cylinder shell. When the cylinder shell and the connecting base need to be connected, the shell buckle portion of the cylinder shell can be made to correspond to the seat buckle portion of the connecting base, so that the buckle beam 21 of the cylinder shell corresponds to the buckle channel 11 of the connecting base, and the cylinder shell is rotated around the axis direction of the cylinder shell so that the buckle beam 21 extends into the buckle channel 11. The buckle channel 11 limits the buckle beam 21 to prevent the cylinder shell from slipping out along the axis direction, thereby realizing the connection between the cylinder shell and the connecting base. The operation is convenient, and the cylinder shell can be reversed when disassembling. The specific structure can be that the extension path of the buckle channel 11 and the buckle beam 21 is an arc shape around the center of the seat, which is conducive to rotating the cylinder shell so that the buckle beam 21 can be smoothly matched and inserted into the buckle channel 11 for limiting. The specific structure can be that each buckle beam 21 is integrally injection molded with the shell body 2 and is formed at the lower part of the shell body 2 so as to correspond to the connecting base. The cylinder shell can be specifically made of resin materials such as POM or PC. The specific structure may include a knob 3 and a winding shaft 4, wherein the winding shaft 4 is installed in the cylinder shell; the knob 3 and the winding shaft 4 are provided with a transmission device 5. The knob 3 drives the winding shaft 4 to rotate to wind the rope, and the transmission device 5 may specifically include a button tooth provided on the lower surface of the knob 3 and a shaft tooth provided on the upper end of the winding shaft 4, and the button tooth and the shaft tooth cooperate with each other.

[0069] The product form of the utility model is not limited to the illustrations and embodiments of this case. Any appropriate changes or modifications made by anyone with similar ideas should be deemed to be within the patent scope of the utility model.

Claims

1. An enhanced connection base, comprising a base body, the base body being provided with a base buckle portion buckled with a cylinder shell; characterized in that: The seat body has a seat center portion corresponding to the axis of the cylinder shell; the seat buckle portion includes a buckle channel for the buckle crossbeam of the cylinder shell to extend into, the buckle channel extends in the direction surrounding the seat center portion, and more than two buckle channels are arranged around the seat center portion; the seat buckle portion includes an inner channel wall located in the inner circle of the buckle channel, an outer channel wall located in the outer circle of the buckle channel, and an upper channel wall connected between the upper parts of the inner channel wall and the outer channel wall.

2. The enhanced connection base according to claim 1, characterized in that: The seat body has an upper side facing the cylinder shell and a lower side facing the opposite side; the buckle channel is higher than the upper side of the seat; the seat body has a front facing the direction of the combined force of the rope and the rear facing the opposite direction; the two buckle channels are respectively located in the front and rear of the center of the seat; Alternatively, three or more snap channels are arranged around the center portion of the seat in an uneven manner.

3. The enhanced connection base according to claim 1 or 2, characterized in that: The seat body has an upper side surface facing the cylinder shell and a lower side surface on the opposite side; the upper surface of the upper channel wall is flush with or higher than the upper side surface of the seat; the inner channel wall and the outer channel wall are connected to the upper side surface of the seat and extend in a direction away from the seat body; the seat body includes an inner ring part located in the inner ring of the buckle channel and an outer ring part located in the outer ring of the buckle channel; the inner channel wall is connected to the inner ring part, and the outer channel wall is connected to the outer ring part.

4. The enhanced connection base according to claim 1 or 2, characterized in that: The inner wall is shorter than the outer wall in the direction around the center of the seat; at least one of the inner wall and the outer wall is in the shape of an arc around the center of the seat; Alternatively, it also includes a surrounding wall surrounding the outer circle of the buckle channel; The surrounding wall protrudes from the upper side of the seat; the surrounding wall and the outer wall form a complete circle structure surrounding the center of the seat.

5. The enhanced connection base according to claim 4, characterized in that: The surrounding wall is provided with a seat anti-rotation buckle part which matches with the shell anti-rotation buckle part.

6. The enhanced connection base according to claim 1 or 2, characterized in that: The inner channel wall, the outer guide part and the upper channel wall are all integrally injection molded with the seat body; the seat body is formed with a molding opening below the upper channel wall; the molding opening is below the buckle channel and penetrates the lower side surface of the seat body, the outer channel wall is connected to the outer ring edge of the molding opening, the inner channel wall is connected to the inner ring edge of the molding opening, and connecting ribs are provided between adjacent buckle channels; Alternatively, the buckle channel has an entrance end for the buckle beam to be buckled into and a tail end at the other end, the tail end has a tail end wall, and the tail end wall is connected between the inner channel wall and the outer channel wall.

7. A cylindrical shell matched with the enhanced connection base according to any one of claims 1 to 6, comprising a shell body, the shell body being provided with a shell buckle portion buckled with the seat buckle portion; characterized in that: The shell buckle part comprises a buckle crossbeam extending into the buckle channel, and the buckle crossbeam extends in a direction around the axis of the shell body.

8. The cartridge shell according to claim 7, characterized in that: The shell body comprises a shell lower part facing the connection base and a shell upper part facing the opposite direction; an upper gap is provided between the snap beam and the shell body located above the snap beam; the size of the upper gap is greater than or equal to the thickness of the upper wall; the shell body comprises a bearing part supporting the snap beam; the snap beam comprises a beam free end extending into the snap channel and a beam root connected to the shell body, and an end gap is provided between the beam free end and the shell body part to which it points; in the direction around the axis of the shell body, the size of the end gap is greater than or equal to the size of the upper wall; the shell body is provided with a shell anti-rotation snap portion cooperating with the seat anti-rotation snap portion.

9. The cartridge shell according to claim 7, characterized in that: The free end of the beam extends in the direction of loosening the rope; the buckle beam is an arc with the same arc as the side wall of the shell body; more than two buckle beams are arranged around the axis of the shell body; the free ends of the buckle beams face the same clockwise direction.

10. A rope-and-object collecting and releasing device based on the cylinder shell according to any one of claims 7 to 9, characterized in that: The invention comprises an enhanced connection base and a cylinder shell; the enhanced connection base comprises a seat body, the seat body is provided with a seat buckle part which is buckled and connected with the cylinder shell, and the seat body has a seat center part corresponding to the axis of the cylinder shell; the seat buckle part comprises a buckle channel for a buckle crossbeam of the cylinder shell to extend into, and the buckle channel extends in a direction around the seat center part; the cylinder shell comprises a shell body, the shell body is provided with a shell buckle part which is buckled and connected with the seat buckle part; the shell buckle part comprises a buckle crossbeam which extends into the buckle channel, and the buckle crossbeam extends in a direction around the axis of the shell body; the buckle crossbeam extends into the buckle channel by rotating the shell body relative to the seat body; It also includes a knob and a winding shaft, wherein the winding shaft is arranged in the cylinder shell; and a transmission device is provided on the knob and the winding shaft.

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