TWI527974B - Suction disk structure - Google Patents

Description

Suction cup structure

The present invention relates to the field of suction cups for attachment, and more particularly to a suction cup structure.

In the prior art, the suction cup is simple, low in cost and easy to manufacture, and is widely used in various fields, especially in daily life, which is commonly used for hanging articles on walls and glass, and one of the structures includes soft suction cups and settings with a drawbar. a base on the back of the soft suction cup, and a return spring between the soft suction cup and the base, further comprising a driving device for driving the lifting rod to lift and the outer casing, wherein the driving device is a rotary lifting driving device, which may be a screw Lifting drive device, at this time, the drawbar is a screw, or a rotary step type lifting drive device, such as the Chinese utility model patent "powerful suction cup" CN201020555276.3 and the invention application "a vacuum closed suction cup The suction cup structure disclosed in CN201110006061.5, at this time, the end portions of the end portions of the drawbars have radially extending pins, which are driven by the rotating step support. The disadvantages of these structures are complicated structure and required rotation. The force is large, and it is easy to cause the insufficient rotation to cause the drawbar to rise and fall in place, and the soft suction cup is not adsorbed tightly. Easy to relax, was carried off easily.

In view of the above drawbacks, the technical problem solved by the present invention is to provide a suction cup knot. The structure has strong adsorption force and long-term adsorption stability, and the hanging material is not easy to fall off, and the operation is lighter and easier.

In order to solve the above technical problems, the present invention provides a suction cup structure comprising a soft suction cup (1) having a drawbar (11) and a base (2) mounted on the back of the soft suction cup (1), and a soft suction cup ( 1) a return spring (3) with the base (2), the end of the drawbar (11) further having a pin (12) extending radially to both sides, further comprising a push pin ( 12) a driving device (4) for driving the drawbar (11) to lift and lower; wherein: The center of the base (2) has a central guide hole (21) for guiding the axial movement of the drawbar (11), and a guide post having a bilaterally symmetric guide plane (22) is protruded upwardly around the central guide hole (21) ( 23) and a pair of symmetrical guiding edges (24) symmetrically arranged to form a guiding groove (25) between the guiding plane (22) and the limiting guiding edge (24), the guiding column (23) also having a symmetrical guiding plane (22) perpendicular to the axial direction and a pin-shaped lifting guide groove (26), the two ends of the pin (12) are hidden in the pin lifting guide groove (26); The driving device (4) comprises a push switch (41) mounted on the base (2) and a drive slide (5) coupled thereto and carrying a bearing member, the push switch (41) having a long guide at the center a hole (42), a symmetrical step on the two sides of the elongated guide hole (42) is provided with a stepped step (43) having upper and lower end support faces, and the push switch (41) is slidably engaged by the elongated guide hole (42) Socketed on the guide post (23) and guided by the guide groove (25); The drawbar (11) passes through the center guide hole (21) of the base (2) and the center of the push switch (41) so that both ends of the pin (12) are simultaneously concealed in the inclined step (43), along with the drive slide (5) The driving push switch (41) slides back and forth in the radial direction, and the pin shaft (12) moves up and down along the inclined step (43) and can respectively stay on the upper and lower end support surfaces thereof, thereby driving the drawbar (11) to lift and lower To start the soft suction cup (1) to achieve the two states of suction and release.

Preferably, the bottom surface of the front and rear ends of the push switch (41) has a groove (44), and the inner wall of the front and rear end edges of the driving sliding cover (5) has a hook (51), and the driving sliding cover (5) The connection with the push switch (41) is achieved by the hook (51) and the recess (44).

Preferably, in the upper and lower end support faces of the inclined step (43), the upper end support surface (45) is a concave surface, and the lower end support surface (46) is a flat surface.

Preferably, the load bearing member carried by the drive slide (5) is an upwardly bent flat square hook (52).

Preferably, the soft suction cup (1) comprises a traction chassis (13) integrated with the drawbar (11) and a silicone suction pad (14), the traction chassis (13) being embedded in the silicone suction pad The sucking body is formed in (14).

Preferably, a periphery of the traction chassis (13) is provided with a through hole through which the silicone suction pad (14) encloses the periphery of the traction chassis (13).

Preferably, the soft suction cup (1), the base (2), the push switch (41), and the drive slide (5) have the same square or circular shape.

Preferably, the back side of the soft rubber chassis (1) is provided with an annular boss (15) for the limit return spring (3) around the drawbar (11).

Preferably, the driving slide cover (5) is provided with a moving direction indicator of suction or release, and the moving direction indicator of the suction is the same as the downward tilting direction of the inclined step (43), and the direction and direction of the released movement direction are The downward slope direction of the inclined step (43) is opposite.

Preferably, the corresponding side wall of the lower end support surface (46) of the inclined step (43) is provided with a notch (47) for mounting the push pin (12) on the central guide hole (21). .

Compared with the prior art, the suction cup structure provided by the present invention adopts a bevel step push type driving device, and drives the sliding cover to drive the push switch to slide back and forth in the radial direction, and the center inclined step easily pulls the pin end of the draw rod end. Padded and lowered, the pin shaft rises and falls along the inclined step and can respectively stay on the upper and lower end support surfaces thereof, thereby driving the drawbar to lift and lower to start the soft suction cup to achieve two states of suction and release; the push switch can be easily Pushing to the bottom to achieve self-locking state, at the same time, the base can be used as the back support of the soft suction cup and as the slide of the push switch, and can also be used as the main body of the suction cup to express the appearance of the whole suction cup in different shapes, and can be designed as Square, round or elliptical, polygonal and other shapes, so that the suction cup can give the installation environment a clean, beautiful, generous, enhanced adsorption, stable adsorption, hanging objects are not easy to fall off, the operation is lighter and easier, the structure is simple and beautiful. .

1‧‧‧Soft sucker

11‧‧‧Dropper

12‧‧‧ pin

13‧‧‧ traction chassis

14‧‧‧矽胶吸垫

15‧‧‧ annular boss

2‧‧‧Base

21‧‧‧ center guide hole

22‧‧‧ guiding plane

23‧‧‧ Guide column

24‧‧‧Limited margin

25‧‧‧Guide

26‧‧‧ pin lifting guide

3‧‧‧Return spring

4‧‧‧ drive

41‧‧‧ switch

42‧‧‧Long guide hole

43‧‧‧Beveled steps

44‧‧‧ Groove

45‧‧‧Upper support surface

46‧‧‧Bottom bearing surface

47‧‧‧ gap

5‧‧‧Drive slide

51‧‧‧catch

52‧‧‧ flat square hook

1 is a front view of the suction cup of the present invention; FIG. 2 is a left side view of the first drawing; FIG. 3 is a rear view of the first drawing; FIG. 4 is a plan view of the first drawing; AA is a cross-sectional view; Fig. 6 is a BB cross-sectional view of Fig. 1; Fig. 7 is a front view of the suction cup of the present invention in a relaxed state of the soft suction cup; and Fig. 8 is a suction cup of the present invention in a relaxed state of the soft suction cup a front view of the relationship between the push switch and the pin; FIG. 9 is a cross-sectional view taken along line CC of FIG. 8; Figure 10 is a front elevational view of the suction cup of the present invention in a state in which the soft suction cup is sucked; Figure 11 is a front view showing the relationship between the push switch and the pin shaft of the suction cup soft suction cup of the present invention in the suction state; 11 is a cross-sectional view of the DD; FIG. 13 is a front view of the push switch in the suction cup of the present invention; FIG. 14 is a left side view of FIG. 13; FIG. 15 is a plan view of FIG. EE is a cross-sectional view; Fig. 17 is a bottom view of Fig. 13; Fig. 18 is a perspective view of a push switch in the suction cup of the present invention; Fig. 19 is a front view of the base of the suction cup of the present invention; and Fig. 20 is a left view of Fig. 19. Fig. 21 is a plan view of Fig. 19; Fig. 22 is a FF sectional view of Fig. 21; Fig. 23 is a GG sectional view of Fig. 21; and Fig. 24 is a perspective view of the base of the suction cup of the present invention; Figure 26 is a front view of the soft suction cup of the suction cup of the present invention; Figure 26 is a left side view of Figure 25; Figure 27 is a plan view of Figure 25; Figure 28 is a cross-sectional view of the HH of Figure 27; Figure 27 is a cross-sectional view taken along the line II; Figure 30 is a perspective view of the soft suction cup in the suction cup of the present invention; Figure 31 is a front view of the drive slide of the suction cup of the present invention; Figure 32 is a left side view of Figure 31; Figure 33 is a plan view of Figure 31; Figure 34 is a cross-sectional view of the JJ of Figure 33; Figure 37 is a cross-sectional view taken along the line KK; Figure 36 is a bottom view of Figure 31; Figure 37 is a perspective view of the drive slide in the suction cup of the present invention; Figure 38 is a perspective view of the suction cup of the present invention; Fig. 40 is a front view showing the shape of the suction cup of the present invention; Fig. 41 is a left side view of Fig. 40; Fig. 42 is a rear view of Fig. 40; Fig. 43 is the 40th Fig. 44 is a plan view of Fig. 40; Fig. 45 is a LL sectional view of Fig. 44; Fig. 46 is a MM sectional view of Fig. 44; and Fig. 47 is a square shape of the suction cup of the present invention. The front view of the soft suction cup in a relaxed state; Fig. 48 is a front view showing the relationship between the push switch and the pin shaft of the soft suction cup in the relaxed state when the suction cup has a square shape; the 49th is the NN direction of Fig. 48. a cross-sectional view; Fig. 50 is a front view of the suction cup of the present invention in a state in which the suction cup is in a square shape; Figure 51 is a push-pull switch of the soft suction cup in the suction state when the suction cup of the present invention has a square shape. a front view of the relationship with the pin; Fig. 52 is a cross-sectional view taken along line OO of Fig. 51; Fig. 53 is a front view of the push switch in which the suction cup of the present invention has a square shape; and Fig. 54 is a left side view of Fig. 53; 55 is a plan view of Fig. 53; Fig. 56 is a cross-sectional view taken along line PP of Fig. 55; Fig. 57 is a bottom view of Fig. 53; Fig. 58 is a perspective view of the push switch of the suction cup of the present invention; Figure 6 is a front view of the base of the suction cup of the present invention; Fig. 60 is a left side view of Fig. 59; Fig. 61 is a plan view of Fig. 59; Fig. 62 is a sectional view of Fig. 61; Figure 61 is a cross-sectional view taken along line RR of Figure 61; Figure 64 is a bottom view of Figure 59; Figure 65 is a perspective view of the base of the suction cup of the present invention in a square shape; and Figure 66 is a soft view of the suction cup of the present invention. A front view of the suction cup; a 67th view is a left side view of Fig. 66; Fig. 68 is a plan view of Fig. 66; Fig. 69 is a cross-sectional view taken along line SS of Fig. 68; and Fig. 70 is a cross-sectional view taken at TT of Fig. 68 Figure 71 is a bottom view of Figure 66; Figure 72 is a soft view of the suction cup of the present invention. Exploded view of the mounting structure of the chuck; Figure 73 is a perspective perspective view of the soft suction cup in the shape of the suction cup of the present invention; Fig. 74 is a front view showing the driving slider in the shape of the suction cup of the present invention; and Fig. 75 is a left side view of Fig. 74; 76 is a plan view of Fig. 74; Fig. 77 is a UU cross-sectional view of Fig. 76; Fig. 78 is a VV cross-sectional view of Fig. 76; Fig. 79 is a bottom view of Fig. 74; Fig. 80 is a view of the present invention The perspective view of the suction cup is a perspective view of the drive slide; the 81st is a perspective view of the suction cup of the present invention when the shape of the suction cup is square; and the 82nd is an exploded view of the installation structure when the suction cup of the present invention has a square shape.

The technical solutions provided by the present invention can be better understood by those skilled in the art, and will be explained below in conjunction with specific embodiments.

As shown in FIGS. 1 to 82, the embodiment of the suction cup of the present invention comprises: a soft suction cup 1 having a drawbar 11 and a base 2 mounted on the back of the soft suction cup 1, and between the soft suction cup 1 and the base 2. The return spring 3, the end of the drawbar 11 further has a pin 12 extending radially to both sides, and further comprises a driving device 4 for driving the drawbar 11 to drive the drawbar 11 to move up and down; the base 2 has a guiding drawbar 11 at the center thereof An axially-moving central guide hole 21, around which a guide post 23 having bilateral symmetric guiding planes 22 and a pair of symmetrically disposed limiting guide edges 24 are protruded upwardly, so that the guiding plane 22 and the limiting position A guide groove 25 is formed between the guide edges 24, and the guide post 23 further has a pin lifting guide groove 26 perpendicular to the symmetric guiding plane 22 on both sides and deep in the axial direction, and both ends of the pin 12 are hidden in the pin lifting and guiding groove In 26, the driving device 4 includes a push switch 41 mounted on the base 2 and connected thereto The driving slide cover 5 with the bearing member is connected, and the push switch 41 has an elongated guide hole 42 at the center thereof, and the inclined guide step 43 having the upper and lower end support faces is respectively disposed on both sides of the elongated guide hole 42. The push switch 41 passes through the long The guide hole 42 is sleeved on the guide post 23 in a sliding fit manner and guided by the guide groove 25; the drawbar 11 passes through the center guide hole 21 of the base 2 and the center of the push switch 41 to simultaneously hold both ends of the pin 12 In the inclined step 43, as the drive slider 5 drives the push switch 41 to slide back and forth radially, the pin 12 moves up and down along the inclined step 43 and can respectively stay on its upper and lower end support faces, thereby driving the drawbar 11 Lifting and lowering the soft suction cup 1 achieves both the suction and release states.

The back side of the soft rubber chassis 1 is provided with an annular boss 15 for the limit return spring 3 around the drawbar 11.

The side wall corresponding to the lower end support surface of the inclined step 43 is provided with a notch 47 for facilitating the mounting of the pin 12 on the center guide hole 21.

The driving slider 5 is provided with a moving direction indicator that is sucked or released, and the suction moving direction indicator is the same as the downward tilting direction of the inclined surface step 43, and the released moving direction indicator is opposite to the downward inclined direction of the inclined surface step 43.

In this embodiment, the pin 12 can be inserted through the end of the drawbar 11 and then inserted into the pin hole. The drawbar 11 can be a circular or square or polygonal column, and the center 2 defines a corresponding square or polygonal center guide hole 21 To limit the axial travel of the drawbar 11 , this can reduce the failure caused by the rotation of the pull rod 11 in the process of the slide switch 41 sliding back and forth in the radial direction of the push switch 41; the push switch 41 The pushing stroke is required to meet the requirements of the moving stroke of the pin 12 on both ends of the inclined step 43, and the height and height difference of the supporting surfaces of the inclined step 43 simultaneously satisfy the maximum suction force of the soft suction cup 1 and the maximum traction rod 11 The lifting stroke; the smoother the inclined step 43 is, the longer the stroke of the push switch 41 is, the more labor-saving, but the base 2 becomes larger, so it is necessary to select The inclined angle of the inclined step 43 is generally between 14° and 18°; the inner cavity of the base 2 facing the soft suction cup 1 can be designed as a bell-shaped tapered surface and the back of the soft suction cup 1 is in a suction state. The shape is adapted to support the back of the soft suction cup 1 in the suction state, and the stability of the suction cup is stabilized.

As shown in the figures 5 to 6, 13 to 18, 31 to 36, 45 to 46, 53 to 58, and 74 to 79, as one of the preferred embodiments of the present invention, the bottom surfaces of the front and rear ends of the push switch 41 have the same concave shape. The groove 44 and the inner wall of the bottom end edge of the driving slide cover 5 have a hook 51. The connection between the driving slide 5 and the push switch 41 is achieved by the snap hook 51 and the groove 44 snapping and self-locking. In this embodiment, the clasp 51 is a pair of L-shaped outward barbs. The direction in which the recess 44 is opened is the same as the sliding direction of the driving slide 5 and the push switch 41. The width of the recess 44 and the width of the clasp 51 are preferably just It is suitable for the hook to be placed in the groove and to limit the position, so that the driving slide 5 and the push switch 41 are firmly connected; the groove can also be replaced by a notch.

As shown in Figs. 16 to 18 and 56 to 58, as a preferred embodiment of the present invention, in the upper and lower end support faces of the inclined step 43, the upper end support surface 45 is a concave surface, and the lower end support surface 46 is a flat surface. In this embodiment, the upper end support surface is a concave surface for keeping the pin shaft 12 from slipping when it is hidden therein, so that the suction force of the suction cup is kept more favorable.

As shown in the figures 1 to 7, 31 to 37, 41 to 47, and 74 to 80, as a third preferred embodiment of the present invention, the load bearing member carried by the sliding cover 5 is a flat hook which is bent upward. 52. In this embodiment, the flat square hook 52 is an upward L-shaped hook, and the flat square is suitable for conveniently driving the sliding cover 5, and is more beautiful and generous.

As shown in the figures 66 to 73, as a fourth preferred embodiment of the present invention, the soft suction cup 1 includes a traction chassis 13 integrally connected to the drawbar 11 and a silicone suction pad 14, and the traction chassis 13 is embedded in the package. A suction cup body is formed in the silicone suction pad 14. The periphery of the traction chassis 13 is provided with a through hole through which the silicone suction pad 14 is fitted to the periphery of the traction chassis 13. In this embodiment, the traction bottom The disc 13 can be made of plastic, and the drawbar 11 can be metal or plastic. It can be injection molded together with the traction chassis 13, and then the infusion molding silicone suction pad 14 can be assembled into a suction cup body, which has the function of stabilizing the suction of the suction cup.

As a fifth preferred embodiment of the present invention, the soft suction cup 1, the base 2, the push switch 41, and the drive slide 5 have the same square or circular shape. In the present embodiment, as shown in FIGS. 1 to 39, the shape of the soft suction cup 1, the base 2, the push switch 41, and the drive slide 5 are circular; as shown in FIGS. 40 to 82, the soft suction cup 1 The shape of the base 2, the push switch 41, and the drive slide 5 are square, and may be various shapes such as an ellipse or a polygon, so that the suction cup can provide a clean, beautiful, and elegant installation environment.

Since the present invention employs a bevel step push type driving device, the push switch 5 is driven to slide radially and backward by the drive slide 5, and the center inclined step 43 easily pulls and lowers the pin 12 at the end of the drawbar 11 to the bottom. The pin 12 is raised and lowered along the inclined step 43 and can respectively stay on the upper and lower end support surfaces thereof, thereby driving the drawbar 11 to move up and down to start the soft suction cup 1 to achieve two states of suction and release; the push switch 41 can be easily Pushing to the bottom to achieve self-locking state, at the same time, the base 2 can be used as the back support of the soft suction cup and as the slide of the push switch 41, and can also be used as the main body of the suction cup to express the appearance of the entire suction cup in different shapes. Designed into square, round or elliptical, polygonal and other shapes, the suction cup can give the installation environment a neat, beautiful and generous, with enhanced adsorption, stable adsorption, hanging objects are not easy to fall off, the operation is lighter and easier, and the structure is simple and beautiful. Beneficial effect.

The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Numerous modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be without departing from the spirit of the invention. In the case of a range or range, it is implemented in other embodiments. Therefore, the present invention is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded

11‧‧‧Dropper

12‧‧‧ pin

13‧‧‧ traction chassis

14‧‧‧矽胶吸垫

2‧‧‧Base

3‧‧‧Return spring

41‧‧‧ switch

5‧‧‧Drive slide

Claims (10)

A suction cup structure characterized by comprising a soft suction cup (1) having a drawbar (11) and a base (2) mounted on the back of the soft suction cup (1), and a soft suction cup (1) and a base (2) a return spring (3) between the ends of the drawbar (11) further having a pin (12) extending radially to both sides, further comprising a pull rod (11) for driving the drawbar (11) a driving device (4) for lifting and lowering; wherein: the center of the base (2) has a central guiding hole (21) for guiding the axial movement of the drawbar (11), and the upper guiding hole (21) is convex upwards and has two a guiding column (23) of the side symmetry guiding plane (22) and a pair of symmetric guiding edges (24) symmetrically arranged to form a guiding groove (25) between the guiding plane (22) and the limiting guiding edge (24) The guide post (23) further has a pin lifting guide groove (26) perpendicular to the symmetric guiding plane (22) on both sides and deep in the axial direction, and the two ends of the pin (12) are hidden on the pin In the lifting guide (26); the driving device (4) comprises a push switch (41) mounted on the base (2) and a drive slide (5) coupled thereto and carrying a bearing member, the push switch (41) The center has a long guide hole (42), An inclined step (43) having upper and lower end support faces is respectively disposed on two sides of the elongated guide hole (42), and the push switch (41) is sleeved on the guide post by a sliding guide (42) (23) and guided by the guide groove (25); the drawbar (11) passes through the center guide hole (21) of the base (2) and the center of the push switch (41) to make the pin (12) both ends At the same time, it is stored in the inclined step (43). As the driving sliding cover (5) drives the push switch (41) to slide back and forth radially, the pin (12) moves up and down along the inclined step (43) and can respectively stay in it. The upper and lower end support surfaces are used to drive the drawbar (11) up and down to activate the soft suction cup (1) to achieve both suction and release. The suction cup structure according to claim 1, wherein the push switch (41) has a groove (44) on the bottom surfaces of the front and rear ends, and the bottom edge of the front and rear edges of the driving slide cover (5) There is a hook (51), and the connection of the driving slide (5) and the push switch (41) is self-locking engagement by the hook (51) and the groove (44). The suction cup structure according to claim 1, wherein in the upper and lower end support surfaces of the inclined step (43), the upper end support surface (45) is a concave surface, and the lower end support surface (46) is a flat surface. . The suction cup structure according to the first aspect of the invention is characterized in that the load bearing member carried by the driving slide cover (5) is an upwardly bent flat square hook (52). The suction cup structure according to claim 1, wherein the soft suction cup (1) comprises a traction chassis (13) integrally connected with the drawbar (11) and a silicone suction pad (14). The traction chassis (13) is embedded in the silicone suction pad (14) to form a suction cup body. The suction cup structure according to claim 5, wherein the traction chassis (13) is provided with a through hole at a periphery thereof, and the silicone suction pad (14) passes through the through hole to drive the traction chassis The periphery of (13) is embedded. The suction cup structure according to claim 1, wherein the soft suction cup (1), the base (2), the push switch (41), and the drive slide (5) have the same shape as a square or a circle. shape. The suction cup structure according to claim 1, characterized in that the back surface of the soft rubber chassis (1) is provided with an annular boss for the limit return spring (3) around the drawbar (11) ( 15). The suction cup structure according to claim 1, wherein the driving slide cover (5) is provided with a moving direction indicator of suction or release, and the suction moving direction indicator and the inclined step The downward tilting direction of (43) is the same, and the released moving direction indicator is opposite to the downward tilting direction of the inclined step (43). The suction cup structure according to the first aspect of the invention, characterized in that the corresponding side wall of the lower end support surface (46) of the inclined surface step (43) is provided with a notch (47) for facilitating the push pin shaft. (12) mounted on the center guide hole (21).