Sucker type rotary hook

Abstract

The utility model provides a suction cup type rotary hook which comprises a suction cup assembly, a hook assembly and a connecting rod assembly, and the connecting rod assembly comprises a first rod end suitable for being connected with the suction cup assembly, a second rod end suitable for being connected with the hook assembly and at least one rotary joint. The suction cup assembly comprises a first seat body, an elastic adsorption piece, a second seat body, a column body and a first guide device, the first seat body comprises a first cavity with a first cavity opening and a first cavity bottom and a first back plate, the adsorption piece is suitable for sealing the first cavity opening, and the second seat body is arranged close to the first cavity bottom; comprising a driving cambered surface gradually getting away from the first base body, the column body comprises a first column end suitable for being connected with the center of the adsorption piece and a second column end with a driving shaft, the driving shaft is in sliding fit with the driving cambered surface, and the first guiding device is suitable for guiding the column body to stretch in the axial direction to drive the adsorption piece to deform. According to the utility model, the sucker assembly can be installed on a multi-angle plane, and the direction and the position of the hooking assembly can be adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of hooks, and in particular relates to a suction cup type rotating hook. Background Art

[0002] In the prior art, suction cup devices all use a tongue-pressing prying structure to generate adsorption force in the suction cup. This type of suction cup presses down the elastic handle to pry the pull rod to lift, thereby driving the suction cup to lift, thereby generating negative pressure at the bottom of the suction cup, allowing the suction cup to have adsorption force and tightly adsorb on the plane. It occupies a large space and requires space for the elastic handle to move. The force applied during the prying process is unstable, which is not conducive to uniform deformation of the suction cup and affects the adsorption effect.

[0003] The existing suction cup type hook has an integrated structure of the hook and the suction cup, the hook is directly connected to the suction cup, and the setting direction of the hook part is often limited by the installation surface, which makes it inconvenient to adjust the setting angle and the distance between the hook and the installation surface, and the use scenarios are limited. Utility Model Content

[0004] In view of the above-mentioned defects of the prior art, the purpose of the utility model is to provide a suction cup type rotating hook to meet the needs of users.

[0005] To achieve the above object, the utility model provides a suction cup type rotating hook, comprising a suction cup assembly, a hook assembly and a connecting rod assembly, wherein the connecting rod assembly comprises a first rod end suitable for connecting the suction cup assembly, a second rod end suitable for connecting the hook assembly and at least one rotating joint,

[0006] The suction cup assembly comprises

[0007] The first seat body comprises a first cavity and a first back plate, wherein the first cavity comprises a first cavity opening and a first cavity bottom, the first back plate comprises a first plate surface and a second plate surface disposed opposite to each other, and the first plate surface is suitable for constituting the first cavity bottom.

[0008] An elastic adsorption sheet, which is suitable for closing the first cavity,

[0009] The second seat body is disposed adjacent to the first cavity bottom and comprises a driving arc surface that gradually moves away from the first seat body.

[0010] The column comprises a first column end suitable for connecting to the center of the adsorption sheet and a second column end having a driving shaft, wherein the driving shaft is in sliding cooperation with the driving arc surface.

[0011] The first guide device extends outward from the second plate surface and is suitable for guiding the column to expand and contract along the axial direction so as to drive the adsorption sheet to deform.

[0012] Preferably, the suction cup assembly comprises a support spring sleeved on the column, the support spring is limited to a conical structure having a convergent end and an open end, the convergent end is suitable for abutting the bottom of the first cavity, and the open end is suitable for abutting the adsorption sheet or the second rod end.

[0013] Preferably, the adsorption sheet further comprises an ear extending out of the first seat body, and a user is suitable for holding the ear to drive the adsorption sheet to separate from the surface to be installed so as to eliminate the negative pressure space, and the support spring is suitable for driving the column to reset.

[0014] Preferably, the driving arc surface includes a first arc end and a second arc end, and from the first arc end to the second arc end, the driving arc surface gradually moves away from the first seat body, the first arc end is adjacent to a limit block suitable for contacting the driving shaft to limit its rotation, and the second arc end is formed with a groove, and when the driving shaft is inserted into the groove, the column is locked in the current position.

[0015] Preferably, two ends of the driving shaft extend out of the second column end respectively, and the second seat body includes two driving arc surfaces arranged in opposite rotation directions, and the driving arc surfaces correspond to a central angle suitable for limiting the rotation range of the driving shaft, and the value range of the central angle is between 60° and 150°.

[0016] Preferably, the second seat body is formed with a telescopic groove suitable for the movement of the column, the driving arc surface is arranged close to the inner wall of the telescopic groove, an entrance is arranged adjacent to the first arc end, the driving shaft enters the telescopic groove through the entrance, and then rotates to contact the driving arc surface, and the limit block is detachably inserted into the entrance.

[0017] Preferably, the second seat body includes a second cavity, a second back plate and a cover plate, the telescopic groove is accommodated in the second cavity, the second cavity includes a second cavity bottom and a second cavity opening, the second back plate is suitable for constituting the second cavity bottom and is arranged opposite to the first back plate, and the cover plate is suitable for closing the second cavity opening.

[0018] The limit block includes a first limit end face and a second limit end face, the cover plate is fixedly connected to or integrally formed with the first limit end face, the second limit end face extends a protrusion suitable for inserting into the entrance, and a step portion suitable for overlapping the first arc end is formed between the protrusion and the second limit end face.

[0019] Preferably, four mounting grooves are arranged in an array in the second cavity, the cover plate includes mounting columns suitable for being correspondingly inserted into the mounting grooves, the inner circumferential wall of the mounting groove has a limiting ring bulging out along its circumferential direction, and the limiting ring is tightly fitted with the outer circumferential wall of the mounting column.

[0020] Preferably, the suction cup assembly also includes a second guide device, which is suitable for guiding the second seat body to rotate around the central axis, and the central axis is suitable for simultaneously passing through the center of the suction plate and the center of the second seat body, and the second guide device includes a rotatably matched guide ring and a guide groove, and the guide ring is convexly provided on the second plate surface, and the second back plate is recessed inwardly to form the guide groove.

[0021] Preferably, the guide ring also includes a plurality of positioning blocks extending along its axial direction and capable of synchronous movement, and the guide groove contains a plurality of groups of starting stop blocks and terminal stop blocks. When the positioning block abuts against the starting stop block, the drive shaft is suitable for aligning with the entrance, and when the positioning block abuts against the terminal stop block, the drive shaft is suitable for snapping into the groove.

[0022] As a preferred embodiment: the first guiding device includes

[0023] a first guide groove, which is suitable for sliding fit and guiding the drive shaft to reciprocate along the axial direction of the column, and the drive shaft is suitable for extending out of the first guide groove,

[0024] And / or, a second guide groove, which is suitable for sliding fit and guiding the column to reciprocate along its axial direction, and the second guide groove includes an escape area suitable for allowing the drive shaft to extend.

[0025] Preferably, the first rod end is fixedly connected to or integrally formed with the center of the first back plate, the first rod end has a space for the column to move, and the first guide groove is provided at the first rod end.

[0026] As a preferred embodiment, the rotation joint comprises a first rotation seat having a first rotation groove, a second rotation seat having a second rotation groove and a rotation shaft, and the first rotation groove and the second rotation groove are axially connected to form a rotation groove.

[0027] The outer surface of the rotating shaft is convexly provided with a colinearly arranged positioning block and an adjusting rib, the first rotating groove includes a locking groove, the second rotating groove includes a plurality of adjusting grooves axially arranged on its inner circumferential wall, the positioning block is axially snapped into the locking groove and constitutes a circumferential limit, the rotating shaft and the first rotating seat can rotate synchronously relative to the second rotating seat, and the adjusting rib can be optionally snapped into the adjusting groove.

[0028] The beneficial effects of the utility model are:

[0029] (1) The suction cup assembly can be installed on a plane at multiple angles, and at least one rotating joint is provided so that the connecting rod assembly can adjust the setting direction and hanging position of the hook assembly, which has high flexibility and strong practicality.

[0030] (2) The extension and retraction of the column is achieved by setting a driving arc surface and slidingly cooperating with the driving shaft, thereby causing the adsorption sheet to deform and forming a negative pressure space between the adsorption sheet and the surface to be installed. This design makes the operation simple and smooth, the adsorption sheet deforms evenly, and the structure is simple and compact with good integrity. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 The utility model provides a structural schematic diagram of a suction cup type rotating hook.

[0032] Figure 2 The utility model is an exploded schematic diagram of a suction cup type rotating hook.

[0033] Figure 3 The utility model is a cross-sectional schematic diagram of a suction cup type rotating hook.

[0034] Figure 4 This is a structural schematic diagram of the first seat body and the first rod body provided by the utility model.

[0035] Figure 5 This is a schematic structural diagram of the first cavity provided by the utility model.

[0036] Figure 6 This is a schematic structural diagram of the second cavity provided by the utility model.

[0037] Figure 7 This is a structural schematic diagram of the second backplane provided by the utility model.

[0038] Figure 8 This is a structural schematic diagram of the cover plate provided by the utility model.

[0039] Fig. 9 This is a schematic structural diagram of the second rod body provided by the utility model.

[0040] Fig.10 This is a structural schematic diagram of the rotating shaft provided by the utility model.

[0041] In the figure, the suction cup assembly 100, the first base body 101, the second base body 102, the column 103, the suction sheet 104, the first cavity 105, the first back plate 106, the second cavity 107, the second back plate 108, the cover plate 109, the telescopic slot 110, the driving arc surface 111, the first arc end 112, the second arc end 113, the first column end 115, the second column end 116, the driving shaft 117, the first guide groove 118, the second guide groove 119, the avoidance area 120, the entrance 121, the limit block 122, the groove 123, the protrusion 124, the step portion 125, the installation groove 126, the installation column 127, Limiting ring 128, guide ring 129, guide groove 130, positioning block 131, starting and stopping blocks 132, final stop blocks 133, supporting spring 134, ear 135, connecting rod assembly 200, first rod body 201, second rod body 202, first rod end 203, second rod end 204, first rotating seat 205, second rotating seat 206, first rotating groove 207, second rotating groove 208, rotating shaft 209, shaft body 210, first stop cap 211, second stop cap 212, locking block 213, adjusting rib 214, locking groove 215, adjusting groove 216, hook assembly 300. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0043] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme of the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0044] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0045] like Figure 1-10 The invention discloses a suction cup type rotating hook, comprising a suction cup assembly 100, a hook assembly 300 and a connecting rod assembly 200, wherein the hook assembly 300 is a six-claw hook structure, and the connecting rod assembly 200 comprises a first rod end 203 suitable for connecting the suction cup assembly 100 by rotation, a second rod end 204 suitable for connecting the hook assembly 300 and a rotating joint.

[0046] The suction cup assembly 100 includes a first base body 101, a second base body 102, a column 103, a suction sheet 104 and a first guide device.

[0047] The first base body 101 includes a first cavity body 105 having a first cavity opening and a first cavity bottom and a first back plate 106 having a first plate surface and a second plate surface disposed opposite to each other. The first plate surface is suitable for forming the first cavity bottom. The adsorption sheet 104 is elastic and suitable for closing the first cavity opening.

[0048] The second seat 102 includes a second cavity 107 having a second cavity bottom and a second cavity opening, a second back plate 108 suitable for forming the second cavity bottom, a cover plate 109 suitable for closing the second cavity opening, and a telescopic groove 110 accommodated in the second cavity 107. The column 103 can reciprocate in the telescopic groove 110, and the second back plate 108 is arranged opposite to the first back plate 106. Two driving arc surfaces 111 arranged in opposite rotation directions are arranged close to the inner peripheral wall of the telescopic groove 110. The driving arc surface 111 includes a first arc end 112 and a second arc end 113. From the first arc end 112 to the second arc end 113, the driving arc surface 111 gradually moves away from the first seat 101. The driving arc surface 111 corresponds to a central angle suitable for limiting the rotatable range of the driving shaft 117, and the value of the central angle is 120°.

[0049] The column 103 includes a first column end 115 suitable for connecting to the center of the adsorption sheet 104 and a second column end 116 having a drive shaft 117. Both ends of the drive shaft 117 extend out of the second column end 116 respectively. The first guide device includes a first guide groove 118 suitable for slidingly fitting the drive shaft 117 and a second guide groove 119 suitable for slidingly fitting the column 103. The second guide groove 119 includes an avoidance area 120 suitable for allowing the drive shaft 117 to extend out.

[0050] The first rod end 203 is integrally formed with the center of the first back plate 106. The first rod end 203 has a space for the column 103 to move. The first guide groove 118 is opened in the first rod end 203, and the second guide groove 119 is set in the inner space of the first column end 115. The driving shaft 117 is suitable for extending out of the first guide groove 118 and slidingly cooperating with the driving arc surface 111. In the process, the first guide device is suitable for guiding the driving shaft 117 and the column 103 to expand and contract along the axial direction, thereby driving the adsorption sheet 104 to deform.

[0051] In this embodiment, an inlet 121 is provided near the first arc end 112, and the drive shaft 117 enters the telescopic slot 110 through the inlet 121, and then rotates to contact the drive arc surface 111. The limit block 122 is detachably inserted into the inlet 121, and the limit block 122 is suitable for contacting the drive shaft 117 to limit its rotation and escape. The second arc end 113 is formed with a groove 123, and when the drive shaft 117 is inserted into the groove 123, the column 103 is locked in the current position.

[0052] In this embodiment, the limit block 122 includes a first limit end face and a second limit end face, the cover plate 109 is fixedly connected to the first limit end face, the second limit end face extends a protrusion 124 suitable for inserting into the inlet 121, and a step portion 125 suitable for overlapping the first arc end 112 is formed between the protrusion 124 and the second limit end face. Further, four mounting grooves 126 are arranged in an array in the second cavity 107, the cover plate 109 includes a mounting column 127 suitable for correspondingly inserting into the mounting groove 126, the inner peripheral wall of the mounting groove 126 bulges out a limit ring 128 along its circumferential direction, and the limit ring 128 is tightly matched with the outer peripheral wall of the mounting column 127.

[0053] In this embodiment, the suction cup assembly 100 also includes a second guide device, which is suitable for guiding the second seat body 102 to rotate around the central axis. The central axis is suitable for passing through the center of the suction sheet 104 and the center of the second seat body 102 at the same time. The second guide device includes a guide ring 129 and a guide groove 130 that are rotatably matched. The guide ring 129 is convexly arranged on the second plate surface, and the second back plate 108 is concavely formed with a guide groove 130. The guide ring 129 also includes two positioning blocks 131 that can move synchronously and are formed along its axial extension. The guide groove 130 is built with two groups of starting stop blocks 132 and terminal stop blocks 133. When the positioning block 131 abuts the starting stop block 132, the drive shaft 117 is suitable for aligning with the entrance 121, which can play a role in prompting the rotation to be in place during installation and simplifying the installation process. When the positioning block 131 abuts the terminal stop block 133, the drive shaft 117 is suitable for being stuck in the groove 123.

[0054] During installation, the first base body 101 and the second base body 102 are first rotatably assembled through the second guiding device, and then they are relatively rotated until the positioning block 131 abuts against the starting stop block 132. At this time, the entrance 121 is aligned with the avoidance area 120, and the drive shaft 117 can enter the telescopic groove 110. Then the drive shaft 117 is rotated to deviate from the entrance 121, the cover plate 109 is covered with the second cavity, and the limit plate is inserted into the entrance 121.

[0055] In this embodiment, the suction cup assembly 100 further includes a support spring 134 sleeved on the column 103, and the support spring 134 is limited to a conical structure with a convergent end and an open end, the convergent end is suitable for abutting the bottom of the first cavity, and the open end is suitable for abutting the second rod end 204. The suction sheet 104 further includes an ear 135 extending out of the first seat body 101, and the user is suitable for holding the ear 135 to drive the suction sheet 104 to separate from the surface to be installed so as to eliminate the negative pressure space, and the support spring 134 is suitable for driving the column 103 to reset.

[0056] In this embodiment, the rotary joint includes a first rotating seat 205 having a first rotating groove 207, a second rotating seat 206 having a second rotating groove 208, and a rotating shaft 209. The connecting rod assembly 200 includes a first rod body 201 and a second rod body 202, one end of the first rod body 201 is suitable for forming a first rod end 203, the other end of the first rod body 201 is formed with a first rotating seat 205, one end of the second rod body 202 is formed with a second rotating seat 206, and the other end of the second rod body 202 is suitable for forming a second rod end 204.

[0057] In this embodiment, the rotating shaft 209 includes a shaft body 210, a first stop cap 211 integrally connected to one end of the shaft body 210, and a second stop cap 212 plugged into the other end of the shaft body 210. The first stop cap 211 includes a locking block 213. An adjusting rib 214 is convexly provided on the outer surface of the shaft body 210. The locking block 213 and the adjusting rib 214 are arranged in a colinear manner. The first rotating groove 207 includes a locking groove 215, and the second rotating groove 208 includes three adjusting grooves 216 arranged axially on its inner peripheral wall. The first rotating seat 205 is a double-ear structure, and the second rotating seat 206 is a single-ear structure. During installation, the second rotating seat 206 is placed in the center of the first rotating seat 205, and the first rotating groove 207 and the second rotating groove 208 are axially connected to form a rotating groove. The first stop cap 211 and the shaft body 210 are inserted into the rotating groove from one side, and the locking block 213 is axially inserted into the locking groove 215 to form a circumferential limit. Then, the second stop groove is inserted into the shaft body 210 from the other side. The first stop cap 211 and the second stop cap 212 cooperate to form an axial limit. The rotating shaft 209 and the first rotating seat 205 can rotate synchronously relative to the second rotating seat 206, thereby realizing the relative rotation of the first rod body 201 and the second rod body 202. The adjusting rib 214 can be optionally inserted into one of the adjusting grooves 216, so as to achieve hovering at a suitable angle.

[0058] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A suction cup type rotating hook, characterized in that: It comprises a suction cup assembly, a hook assembly and a connecting rod assembly, wherein the connecting rod assembly comprises a first rod end suitable for connecting the suction cup assembly, a second rod end suitable for connecting the hook assembly and at least one rotating joint, The suction cup assembly comprises The first seat body comprises a first cavity and a first back plate, wherein the first cavity comprises a first cavity opening and a first cavity bottom, the first back plate comprises a first plate surface and a second plate surface disposed opposite to each other, and the first plate surface is suitable for constituting the first cavity bottom. An elastic adsorption sheet, which is suitable for closing the first cavity, The second seat body is disposed adjacent to the first cavity bottom and comprises a driving arc surface that gradually moves away from the first seat body. The column comprises a first column end suitable for connecting to the center of the adsorption sheet and a second column end having a driving shaft, wherein the driving shaft is in sliding cooperation with the driving arc surface. The first guide device extends outward from the second plate surface and is suitable for guiding the column to expand and contract along the axial direction so as to drive the adsorption sheet to deform.

2. A suction cup type rotating hook according to claim 1, characterized in that: The driving arc surface includes a first arc end and a second arc end. From the first arc end to the second arc end, the driving arc surface gradually moves away from the first seat body. The first arc end is adjacent to a limit block suitable for contacting the driving shaft to limit its rotation. The second arc end is formed with a groove. When the driving shaft is inserted into the groove, the column is locked in the current position.

3. The suction cup type rotating hook according to claim 2, characterized in that: The two ends of the driving shaft extend out of the second column end respectively, and the second seat body includes two driving arc surfaces arranged in opposite rotation directions. The driving arc surfaces correspond to a central angle suitable for limiting the rotation range of the driving shaft, and the value range of the central angle is between 60° and 150°.

4. A suction cup type rotating hook according to claim 2 or 3, characterized in that: The second seat body is formed with a telescopic groove suitable for the movement of the column, the driving arc surface is arranged closely against the inner wall of the telescopic groove, an entrance is arranged adjacent to the first arc end, the driving shaft enters the telescopic groove through the entrance, and then rotates to contact the driving arc surface, and the limit block is detachably inserted into the entrance.

5. The suction cup type rotating hook according to claim 4, characterized in that: The second seat body comprises a second cavity, a second back plate and a cover plate, the telescopic slot is accommodated in the second cavity, the second cavity comprises a second cavity bottom and a second cavity opening, the second back plate is suitable for constituting the second cavity bottom and is arranged opposite to the first back plate, and the cover plate is suitable for closing the second cavity opening. The limit block includes a first limit end face and a second limit end face, the cover plate is fixedly connected to or integrally formed with the first limit end face, the second limit end face extends a protrusion suitable for inserting into the entrance, and a step portion suitable for overlapping the first arc end is formed between the protrusion and the second limit end face.

6. The suction cup type rotating hook according to claim 5, characterized in that: The suction cup assembly also includes a second guide device, which is suitable for guiding the second seat body to rotate around the central axis, and the central axis is suitable for simultaneously passing through the center of the suction plate and the center of the second seat body. The second guide device includes a rotatably matched guide ring and a guide groove, and the guide ring is convexly arranged on the second plate surface, and the second back plate is concavely formed with the guide groove.

7. The suction cup type rotating hook according to claim 6, characterized in that: The guide ring also includes a plurality of positioning blocks extending along its axial direction and capable of synchronous movement, and the guide circular groove contains a plurality of groups of starting stop blocks and terminal stop blocks. When the positioning block abuts against the starting stop block, the drive shaft is suitable for aligning with the entrance, and when the positioning block abuts against the terminal stop block, the drive shaft is suitable for being inserted into the groove.

8. The suction cup type rotating hook according to claim 1, characterized in that: The first guiding device comprises a first guide groove, which is suitable for sliding fit and guiding the drive shaft to reciprocate along the axial direction of the column, and the drive shaft is suitable for extending out of the first guide groove, And / or, a second guide groove, which is suitable for sliding fit and guiding the column to reciprocate along its axial direction, and the second guide groove includes an escape area suitable for allowing the drive shaft to extend.

9. The suction cup type rotating hook according to claim 8, characterized in that: The first rod end is fixedly connected to the center of the first back plate or is formed integrally therewith, the first rod end has a space for the column to move, and the first guide groove is arranged at the first rod end.

10. The suction cup type rotating hook according to claim 1, characterized in that: The rotary joint comprises a first rotary seat having a first rotary groove, a second rotary seat having a second rotary groove and a rotary shaft, wherein the first rotary groove and the second rotary groove are connected along the axial direction to form a rotary groove. The outer surface of the rotating shaft is convexly provided with a locking block and an adjusting rib arranged in a colinear manner, the first rotating groove includes a locking groove, and the second rotating groove includes a plurality of adjusting grooves axially arranged on its inner circumferential wall, the locking block is axially inserted into the locking groove and constitutes a circumferential limit, the rotating shaft and the first rotating seat can rotate synchronously relative to the second rotating seat, and the adjusting rib can be optionally inserted into the adjusting groove.

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