TWI673441B - Suction cup - Google Patents

Abstract

The invention relates to a suction cup, which comprises: a suction cup member, including a base body, a control member movably provided on the base body, and an elastically deformable disk portion, which is provided on the base body and is available for In contact with a base surface, the sucker member further includes a first air chamber, a second air chamber, a first-pass passage, and an exhaust flow passage. The flow passage communicates with the first air chamber and the second air chamber, and the seat body. The second air chamber is co-constructed with the disk part, the exhaust flow passage communicates with the first air chamber and the outside, and the control member is provided with an air-tight ring part which can be releasably sealed against the row. An inner annular wall of the air flow channel blocks the exhaust flow channel; and a check valve is movably disposed on the flow channel to allow gas to flow from the second air chamber to the first air chamber.

Description

Sucker

The present invention relates to a suction cup.

Please refer to TWI604134, which is a suction cup device, which includes a suction cup member, a check valve installed on the suction cup member, a cover unit connected to the suction cup member, and a manual exhaust valve installed on the cover unit. The sucker includes a disc portion, a convex seat, and an air storage chamber extending from the disc portion toward the convex seat. The check valve is installed in a valve hole of the convex seat, and allows air to pass through the air storage chamber toward The convex seat is released outside. The cover unit includes an air storage space having a variable volume and communicating with the air storage chamber through the one-way valve, and an exhaust flow passage that can be communicated from the air storage space to the outside. The air valve can change the exhaust flow path from a closed state to an open state.

The gas storage chamber of the conventional technology is only composed of the convex part of the disk part, and the disk part is made of a soft elastic material that can be deformed elastically. Therefore, when the pressure in the gas storage chamber changes, the convex part of the disk part is likely to cause Long-term deformation results in easy elastic fatigue and short service life, which affects the adsorption capacity. In addition, the disk unit must be connected to the cover unit through a guide seat, and has the disadvantages of complicated structure, time-consuming assembly and difficult to assemble.

Therefore, it is necessary to provide a novel and progressive sucker to solve the above problems.

The main purpose of the present invention is to provide a suction cup with a simple structure to improve the adsorption effect.

In order to achieve the above object, the present invention provides a suction cup, which includes: a suction cup member including a body, a control member movably disposed on the seat body, and an elastically deformable disk portion, the disk portion being disposed on The seat body can be contacted with a base surface, and the sucker member further includes a first air chamber, a second air chamber, a first-stage channel and an exhaust flow channel, and the flow channel communicates with the first air chamber and the second The air chamber, the seat body and the disk part constitute the second air chamber, the exhaust flow channel communicates with the first air chamber and the outside, and the control member is provided with an air-tight ring part, which can be disengaged A ground seal abuts against the inner annular wall of the exhaust flow passage to block the exhaust flow passage; a check valve, which is movably disposed on the flow passage, allows gas to flow from the second air chamber to the first gas Chamber; wherein the airtight ring portion is provided with a ring body, the ring body is provided with an outer ring wall and an inner ring portion, and the outer ring wall can ring against the inner wall of the exhaust flow channel to block the exhaust flow channel, The inner ring portion is sleeved on the control member, and the outer ring wall is elastically and radially movable relative to the inner ring portion.

1‧‧‧ sucker

2‧‧‧ basal plane

10‧‧‧ Suction cup

11‧‧‧ the first air chamber

12‧‧‧Second Air Chamber

13‧‧‧ runner

131‧‧‧ oblique concave surface

14‧‧‧Exhaust runner

20‧‧‧ Check valve

21‧‧‧Tapered

22‧‧‧stop

23‧‧‧ Toroidal end face

30‧‧‧ seat

31‧‧‧ Ontology

32‧‧‧ ring cover

33‧‧‧ ring convex

34‧‧‧ Ring recess

38‧‧‧Second shell

39‧‧‧Hanging hole

40‧‧‧Control

50‧‧‧ Pan Department

51‧‧‧Combined convex part

52‧‧‧Ring convex rib

53‧‧‧Circular suction section

54‧‧‧ ring groove

55‧‧‧face

56‧‧‧lip

57‧‧‧ the second joint

60‧‧‧Airtight ring section

61‧‧‧ ring body

62‧‧‧outer wall

63‧‧‧Inner Ring Department

64‧‧‧ ring groove

65‧‧‧ convex ring

35‧‧‧ ring groove

351‧‧‧first joint

36‧‧‧ Hanging Department

37‧‧‧First case

66‧‧‧The first convex ring

67‧‧‧ Diversion holes

70‧‧‧elastic

80‧‧‧ Marking Department

FIG. 1 is a perspective view of a first preferred embodiment of the present invention.

FIG. 2 is an exploded view of a first preferred embodiment of the present invention.

FIG. 3 is a schematic diagram of a vacuum state according to a first preferred embodiment of the present invention.

FIG. 4 is a sectional view of a first preferred embodiment of the present invention.

FIG. 4A is a partially enlarged view of FIG. 4.

5 and 6 are cross-sectional views of an operation of a first preferred embodiment of the present invention.

FIG. 5A is a partially enlarged view of FIG. 5.

FIG. 7 is a sectional view of a second preferred embodiment of the present invention.

FIG. 7A is a partially enlarged view of FIG. 7.

FIG. 8 is a perspective view of a ring body according to a second preferred embodiment of the present invention.

The following only illustrates the possible implementation aspects of the present invention by way of examples, but is not intended to limit the scope of the present invention to be protected, which will be described first.

Please refer to FIGS. 1 to 6, which shows a first preferred embodiment of the present invention. The suction cup 1 of the present invention includes a suction cup member 10 and a check valve 20.

The sucker member 10 includes a base 30, a control member 40 movably disposed on the base 30, and an elastically deformable disk portion 50. The disc 50 is provided on the base 30 and is accessible to a base. Face 2, the suction cup member 10 further includes a first air chamber 11, a second air chamber 12, a first-passage passage 13, and an exhaust flow passage 14, the flow passage 13 communicates with the first air chamber 11 and the second air passage The second air chamber 12 is constituted by the chamber 12, the seat body 30 and the disc portion 50. The exhaust flow passage 14 communicates with the first air chamber 11 and the outside. The control member 40 is provided with an airtight ring portion 60. The airtight ring portion 60 is releasably sealed against the inner ring wall of the exhaust flow channel 14 to block the exhaust flow channel 14; and the check valve 20 is movably disposed on the flow channel 13 to allow gas from The second air chamber 12 flows to the first air chamber 11; thereby, the second air chamber 12 is co-constructed through the seat body 30 and the disc portion 50 to simplify the structure, improve the adsorption effect, and increase the service life. .

In this embodiment, the base body 30 is provided with a body 31 and a ring cover body 32, the ring cover body 32 is locked to the body 31, and the control member 40 passes through the ring cover body 32 and can be axially limited to the ring cover body 32. The ring cover body 32 is convenient for disassembly and assembly. In other embodiments, the ring cover body and the body can also be combined with each other in a snapping manner. Preferably, one of the body 31 and the ring cover 32 is provided with a ring recess, and the other is provided with a The ring convex portion engages with the ring convex portion of the card, and the ring convex portion and the ring concave portion stop each other in the radial direction. In this embodiment, the ring cover body 32 is provided with the ring concave portion 34 and the body 31 is provided with the ring convex portion. Portion 33, so that when the ring cover body 32 is coupled to the body 31, the ring concave portion 34 and the ring convex portion 33 can be engaged with each other to prevent the ring cover body 32 from deviating from the body 31 to achieve stable assembly Effect. In other embodiments, the number of the annular convex portion and the annular concave portion may be plural.

In this embodiment, an elastic member 70 is provided between the ring cover 32 and the main body 31 to provide compression and elastic return.

The airtight ring portion 60 is provided with a ring body 61 which is provided with an outer ring wall 62 and an inner ring portion 63. The outer ring wall 62 can ring against the inner wall of the exhaust flow channel 14 to block the row. The air flow channel 14, the inner ring portion 63 is sleeved on the control member 40, and the outer ring wall 62 can elastically move radially with respect to the inner ring portion 63 to selectively conduct and block the exhaust flow channel 14. In addition, the airtight ring portion 60 is further provided with a ring groove 64, and the ring body 61 is provided in the ring groove 64. In this embodiment, the extension direction of the outer ring wall 62 intersects the extension of the inner ring portion 63, so that the outer ring wall 62 is easy to move radially relative to the inner ring portion 63. In this embodiment, the outer ring The wall 62 is from the first air chamber 11 to the second air chamber 12 and approaches the inner ring portion 63 from the outside to the inside. Thus, when the control member 40 moves in the direction of the first air chamber 11, the outer The annular wall 62 is easy to disengage from the inner annular wall of the exhaust flow passage 14 to open the exhaust flow passage 14. In other embodiments, as shown in FIGS. 7 to 8, which is shown as the second preferred embodiment of the present invention, the outer ring wall 62 is radially provided with at least one convex ring 65. The number of the convex ring 65 may be For plural numbers, each of the detachable rings of the convex ring 65 abuts against the inner wall of the exhaust flow path 14, so that when the control member 40 is pressed, the outer ring wall 62 is not easily deformed to affect the exhaust and seal the exhaust flow. The effect of Road 14. In other embodiments, the airtight ring portion may also be a rubber ring body, and an outer diameter dimension of the rubber ring body is larger than an inner diameter dimension of the ring groove.

The airtight ring portion 60 is provided with a first convex ring 66, which constitutes the ring groove 64. The first convex ring 66 is provided with at least one flow guide hole 67, and each of the flow guide holes 67 communicates with the Ring groove 64, preferably, The number of the at least one guide hole 67 is plural, and each of the guide holes 67 can provide a smooth airflow when the exhaust flow passage 14 is in an open state. The first convex ring 66 can be stopped by the ring cover 32 to achieve a limiting effect. In this embodiment, the exhaust runner 14 is communicated by the gap between the control member 40 and the seat body 30, the gap between the control member 40 and the ring cover body 32, and the first air chamber 11. Make up.

One of the base body 30 and the disc portion 50 is provided with a ring groove, and the other is provided with a combined convex portion that can be embedded in the ring groove. In this embodiment, the seat body 30 is provided with the ring groove 35, and the disk portion 50 is provided with the coupling convex portion 51. The disc portion 50 is an elastic body, and can elastically press the ring groove 35 radially to achieve the effect of card setting. In the present embodiment, the coupling convex portion 51 is provided with a plurality of radially extending annular ribs 52, and each of the annular convex ribs 52 can abut against the annular groove 35, and the annular convex ribs 52 are forced radially against the annular through the annular convex ribs 52. The slot 35 is to facilitate disassembly and assembly and has a better positioning effect, and moreover, to achieve the effect of multiple positioning adjustments to adjust the size of the second air chamber 12. In detail, the disk portion 50 is provided with a ring suction portion 53 which can be used to contact the base surface 2. The ring suction portion 53 is provided with a ring groove 54 and two sides of the ring groove 54. Of the end face 55. Preferably, at least one of the end surfaces 55 is an arc convex surface, so as to facilitate the elastic deformation of the ring suction portion 53, so that the ring groove 54 can be deformed into a flat surface for attachment to the base surface 2. In this embodiment, the arc convex surface is disposed on the inner side of the loop suction portion 53. Preferably, the disk portion 50 is provided with a lip portion 56 extending outward, and the lip portion 56 can be lifted to release the negative pressure state of the second air chamber 12.

In this embodiment, the one-way valve 20 is provided with a tapered portion 21 and a stop portion 22. The one-way valve 20 passes through the flow channel 13, and the tapered portion 21 is releasably sealed against the flow. At one end of the channel 13, the blocking portion 22 can deformably resist the other end of the flow channel 13. The tapered portion 21 is provided with an annular convex end surface 23, and the flow channel 13 is provided with an inclined concave surface 131. The annular convex end surface 23 can abut against the inclined concave surface 131 to block the flow channel 13 and the annular convex end surface 23 is not completely It is in contact with the inclined concave surface 131 to improve the air-tight effect and the smoothness of the gas flowing from the second air chamber 12 to the first air chamber 11. In this embodiment, the blocking portion 22 is in the shape of an elastic sheet; in detail, The gas from the second air chamber 12 pushes the one-way valve 20 to move toward the first air chamber 11, so that the stopper 22 is deformed against the end edge of the flow channel 13 to generate a gap and the annular convex end surface 23 is disengaged from the The inclined surface 131 creates a gap through which gas can flow from the second air chamber 12 to the first air chamber 11.

In addition, the control member 40 is further provided with a marking portion 80 on the outer peripheral wall. In this embodiment, the marking portion 80 is a color mark. When the first air chamber 11 is in a vacuum state, the marking portion 80 is exposed to the outside, which indicates that the degree of vacuum is weakened.

It is worth mentioning that, referring to FIG. 7, the ring groove 35 is provided with a first joint portion 351, the disk portion 50 is provided with a second joint portion 57, one of the first joint portion 351 and the second joint portion 57. One is a ring-concave structure, and the other is a ring-convex structure inserted in the interior. In this embodiment, the first joint portion 351 is the ring-convex structure, and the second joint portion 57 is the ring-concave structure; In other embodiments, the annular convex structure may be a closed or open continuously extending annular convex rib, and the annular concave structure may be a closed or open continuously extending annular groove, thereby preventing the disc portion 50 from being overloaded. Deformed and pulled out laterally.

In addition, the base body 30 is provided with a hanging portion 36. The hanging portion 36 includes a first housing 37 provided on the base body 30 and a second housing detachably coupled to the first housing 37. 38. A hanging hole 39 is provided between the first and second shells 37 and 38, and a rod body is provided through the hanging hole 39.

In use, the control member 40 is pressed to move relative to the base body 30, and the airtight ring portion 60 rubs against the inner wall of the exhaust runner 14 to deform and create a gap between the exhaust runner 14 to open the exhaust. The flow channel 14 allows the gas in the first gas chamber 11 to be discharged from the exhaust gas flow channel 14 to form an airtight state. The gas in the second gas chamber 12 flows and pushes through the pressure difference with the first gas chamber 11. The one-way valve 20 allows gas to flow into the first gas chamber 11, thereby achieving a vacuum effect, and thus achieving an adsorption effect.

In summary, the present invention co-constructs the second air chamber through the seat body and the disc portion to simplify the structure, improve the adsorption effect, and increase the service life. In addition, the outer ring wall of the ring body can elastically move radially with respect to the inner ring portion, and the exhaust flow passage can be blocked and opened with a simple structure.

Claims (9)

A suction cup includes a suction cup member including a base body, a control member movably disposed on the base body, and an elastically deformable disk portion provided on the base body and accessible to a base surface. The suction cup member further includes a first air chamber, a second air chamber, a first-stage channel, and an exhaust flow channel, and the flow channel communicates with the first and second air chambers, the seat body and the disk portion. The second air chamber is co-constructed, the exhaust flow passage communicates with the first air chamber and the outside, and the control member is provided with an air-tight ring portion which can be releasably sealed against the exhaust flow channel. An inner ring wall blocks the exhaust flow channel; a check valve is movably disposed in the flow channel, allowing gas to flow from the second air chamber to the first air chamber; wherein the airtight ring portion is provided with A ring body provided with an outer ring wall and an inner ring portion. The outer ring wall can abut against the inner wall of the exhaust flow channel and block the exhaust flow channel. The inner ring portion is sleeved on the control. Piece, the outer ring wall is elastically movable radially relative to the inner ring portion. The suction cup according to claim 1, wherein the airtight ring portion is further provided with a ring groove, the ring body is provided in the ring groove, and the extension direction of the outer ring wall intersects the extension of the inner ring portion. The suction cup according to claim 1, wherein the outer ring wall is provided with at least one convex ring radially protruding. The suction cup according to claim 2, wherein the airtight ring portion is provided with a first convex ring, the first convex ring constitutes the ring groove, the first ring is convexly provided with at least one guide hole, and each of the guide holes The hole communicates with the ring groove. The suction cup according to claim 1, wherein one of the seat body and the disk portion is provided with a ring groove, and the other is provided with a combined convex portion that can be embedded in the ring groove. The suction cup according to claim 5, wherein the combining convex portion is provided with at least one annular convex rib extending radially, and each of the annular convex ribs can abut against the inner wall of the annular groove. The suction cup according to claim 1, wherein the disc portion is provided with a lip portion extending outward. The suction cup according to claim 5, wherein the ring groove is provided with a first joint portion, the plate portion is provided with a second joint portion, and one of the first joint portion and the second joint portion is a ring concave structure, and the other One is a toroidal structure inserted inside. The suction cup according to claim 4, wherein the outer ring wall is radially provided with at least one convex ring, and the detachable ring of the at least one convex ring abuts against the inner wall of the exhaust runner; the seat body and the disk One of the parts is provided with a ring groove, and the other is provided with a combined convex part that can be embedded in the ring groove; the disk part is provided with a ring suction part, which can be contacted with the base surface, and the ring suction part is provided with There is a ring groove and two end surfaces provided on both sides of the ring groove. At least one of the end surfaces is an arc convex surface. The combining convex portion is provided with a plurality of radially extending ring convex ribs, and each of the ring convex ribs can abut against the ring convex rib. Ring groove; the disk part is provided with a lip extending outward; the control part is provided with a marking part on the outer peripheral wall; the seat body is provided with a body and a ring cover body, the ring cover body is locked on the body, the control One of the body and the ring cover is provided with a ring concave portion, and the other is provided with a ring convex portion which engages with the ring concave portion. The ring convex portion and the ring concave portion stop each other in the radial direction; the check valve is provided with a tapered portion and a stop portion, the check valve passes through the flow channel, and The tapered portion can be releasably sealed against one end of the flow channel, the stop portion can be deformed against the other end of the flow channel, the tapered portion is provided with an annular convex end surface, and the flow channel is provided with an inclined concave surface, the The annular convex end surface can be abutted against the inclined concave surface to block the flow channel, and the annular convex end surface is not completely in contact with the inclined concave surface; the base body is provided with a hanging portion, and the hanging portion includes a hanging portion provided on the base body. A first casing and a second casing detachably coupled to the first casing, a hanging hole is provided between the first and second casings, and a resilient contact is provided between the ring cover and the body. Two elastic parts; the ring groove is provided with a first joint portion, the disc portion is provided with a second joint portion, one of the first joint portion and the second joint portion is a ring recess structure, and the other is a plug Convex structure inside.