TWI688715B - Vacuum cup - Google Patents

Abstract

A vacuum cup is provided, including: a vacuum member, including a base body, a control member, and a disc portion which is deformable, the vacuum member further including a first air chamber, a second air chamber, a passageway, an air exhaust passageway and an air inlet passageway, the passageway communicating with the first air chamber and the second air chamber, the air exhaust passageway communicating with the first air chamber and an outer portion, the control member further including an air seal annular portion, the air seal annular portion being openable and sealingthe inner annular wall of air exhaust passageway to block up the air exhaust passageway, the air inlet passageway communicating the second air chamber and the outer portion; an one-way valve, disposed in the passageway and being openly sealed the passageway, and allowing gas to pass through from the second air chamber to the first air chamber; a depressurization valve, disposed in the air inlet passageway and being openly sealed the air inlet passageway to block up the air inlet passageway.

Description

Sucker

The invention relates to a suction cup.

A suction cup device of the prior art includes a suction cup part, a one-way valve mounted on the suction cup part, a housing unit connected to the suction cup part, and a manual exhaust valve installed on the housing unit, the suction cup part The utility model includes a disc part, a convex seat and an air storage chamber extending from the disc part toward the convex seat. The one-way valve is installed in a valve hole of the convex seat, which can allow air from the air storage chamber to the convex part The seat is released externally. The housing unit includes a gas storage space with a variable volume that communicates with the gas storage chamber through the one-way valve and an exhaust flow path that can communicate with the gas storage space to the outside. The manual exhaust valve The exhaust flow channel can be changed from a closed state to an open state.

When the suction cup device of the conventional technology is in a vacuum state to attract the suction cup part to an accessory, it can only pull the suction cup part relative to the suction part by external force to create a gap, so that the gas can enter the gas storage space from the outside to form a non-vacuum The pressure relief effect is achieved. However, this pressure relief method will be difficult to open due to the adsorption member being too tightly adsorbed on the attachment, which will take more time. Furthermore, long-term external force pulling the outer edge of the adsorption member may cause deformation and damage. And reduce the adsorption effect.

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

The main purpose of the present invention is to provide a suction cup that can be easily operated for pressure relief and facilitates rapid pressure relief.

In order to achieve the above object, the present invention provides a suction cup including: a suction cup member including a base, a control member, and an elastically deformable disk portion, the suction cup member further includes a first air chamber and a second air chamber , A flow path, an exhaust flow path and an intake flow path, the flow path communicates with the first air chamber and the second air chamber, the exhaust flow path communicates with the first air chamber and the outside, the control part It includes a gas-tight ring portion, which can openably close the exhaust flow path and block the exhaust flow path. The intake flow path communicates with the second gas chamber and the outside; a one-way valve, installed on The flow passage can be opened to close the flow passage and can allow gas to flow from the second gas chamber to the first gas chamber; a pressure relief valve portion can openly seal the intake flow passage to block the intake air Flow channel; wherein, the pressure relief valve portion is an elastically deformable pressure relief check valve integrally formed on the disc portion, the pressure relief check valve is provided with an elastically deformable wall portion and a wall portion surrounded by the wall portion The intake slit is configured to communicate with the intake runner.

In order to achieve the above object, the present invention further provides a suction cup, including: a suction cup member, including a base, a control member movably disposed on the base, and an elastically deformable disc portion, the disc portion is disposed on the The seat body is provided for contacting a base surface, and the suction cup part further includes a first air chamber, a second air chamber, a first-rate channel, an exhaust flow channel and an intake flow channel, and the flow channel communicates with the first air Chamber and the second gas chamber, the exhaust flow channel communicates with the first gas chamber and the outside, the control member further includes a gas-tight ring portion, the gas-tight ring portion can be opened to close the exhaust flow channel to block the Exhaust flow path, the intake flow path communicates with the second air chamber and the outside; a one-way valve, installed in the flow path, can openly close the flow path and allow gas to flow from the second air chamber to the A first air chamber; a pressure relief valve portion that can openly seal the intake flow passage and block the intake flow passage; wherein, the pressure relief valve portion is a releasably ringing against the intake flow passage The inner wall blocks the pressure relief of the intake flow channel Valve body; the inlet flow channel is provided with a neck section, the neck section is provided with a first ring convex surface extending radially inwards, the pressure relief valve body is provided with a radially extending second ring convex surface, the second ring convex surface It can abut against the first ring convex surface, and the second ring convex surface is located between the first ring convex surface and the second air chamber.

1: suction cup

10: suction cup parts

11: seat body

111: recess

112: through hole

113: Ring groove

114: cylinder

12: control parts

13,13’: Plate

28: entrance

30: Check valve

40: Pressure relief valve body

40’,40a: Pressure relief check valve

41: Ring concave

41’,41a: Wall

42: cone section

42’: Intake slit

43: Arc convex peripheral surface

131: convex part

132: Joint convex part

133: Groove

134’: bottom surface

135’: Ring rib

14: First air chamber

15: Second air chamber

16: flow channel

17: Exhaust runner

20: intake runner

21: First runner

22: Second channel

23: Ring convex

24: tapered section

25: arc concave peripheral surface

26: Neck

27: First ring convex

44: Second ring convex

45: figure

46: Ring flange

47: Rib

48: oval pressure ring

50: Airtight ring

51: ringing piece

60: hanging structure

61: base

611: through hole

612: Large diameter hole

613: Small diameter hole

62: hanger

621: Fastener

622: The first clip

623: Second clip

624: wide segment

625: Narrow segment

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

2 is a perspective view of a first preferred embodiment of the present invention in use.

FIG. 3 is an exploded view of a first preferred embodiment of the invention.

4 is another exploded view of a first preferred embodiment of the invention.

5 to 7 are action cross-sectional views of a first preferred embodiment of the invention.

8 is a perspective view of a second preferred embodiment of the invention.

FIG. 9 is a partially enlarged view of FIG. 8.

10 is an exploded view of a third preferred embodiment of the invention.

11 is a perspective view of a third preferred embodiment of the invention.

12 is a perspective view of a disk portion of a third preferred embodiment of the present invention.

13 is a cross-sectional view of a third preferred embodiment of the present invention without pressing a control member.

14 is a cross-sectional view of pressing a control member according to a third preferred embodiment of the present invention.

15 is a cross-sectional view of a check valve opening in a third preferred embodiment of the present invention.

16 is a perspective view of a fourth preferred embodiment of the invention.

17 is a perspective view of a disk portion of a fourth preferred embodiment of the present invention.

The following merely illustrates the possible implementation forms of the present invention with examples, but it is not intended to limit the scope of the invention to be protected, and will be described first.

Please refer to FIGS. 1 to 7, which show a first preferred embodiment of the present invention. The suction cup 1 of the present invention includes a suction cup member 10, a check valve 30 and a pressure relief valve portion.

The suction cup member 10 includes a base 11, a control member 12 movably disposed on the base 11, and an elastically deformable disc portion 13, the disc portion 13 is disposed on the base 11 and can contact a base In addition, the suction cup 10 further includes a first air chamber 14, a second air chamber 15, a flow path 16, an exhaust flow path 17 and an intake flow path 20, the flow path 16 communicates with the first air chamber 14 and the second air chamber 15, the exhaust flow passage 17 communicates with the first air chamber 14 and the outside, the control member 12 further includes an air-tight ring portion 50, the air-tight ring portion 50 can be opened to close the exhaust The flow passage 17 blocks the exhaust flow passage 17. In this embodiment, the airtight ring portion 50 may also be a rubber ring or other elastic body; and the airtight ring portion 50 extends into the exhaust flow path 17 and can be opened against the inner ring wall of the exhaust flow channel 17; the intake flow channel 20 communicates with the second air chamber 15 and the outside, wherein the intake flow channel 20 can penetrate the seat body 11 and the At least one of the disc portions 13; the one-way valve 30 is installed in the flow path 16, which can openly close the flow path 16 and can allow gas to flow from the second gas chamber 15 to the first gas chamber 14; In the embodiment, the one-way valve 30 is movably provided in the flow channel 16 and can be deformed by external force to open and close the flow channel 16; the pressure relief valve portion can openly seal the intake flow channel 20 to block By breaking the intake flow channel 20, the pressure relief effect can be quickly achieved.

In this embodiment, the base body 11 and the disk portion 13 collectively constitute the second air chamber 15 to simplify the structure and increase the adsorption effect and service life. In other embodiments, the second air chamber may be composed of the disk portion only.

One of the seat body 11 and the disk portion 13 is provided with a concave portion, and the other is provided with a convex portion which can be inserted into the concave portion, and the disk portion 13 is detachably mounted on the seat body 11, in this embodiment In the case, the seat 11 is provided with the concave portion 111, the disc portion 13 is provided with the convex portion 131, and when the convex portion 131 is provided in the concave portion 111, the two opposite sides of the convex portion 131 abut against the seat body 11 The two opposite sides of the concave portion 111 achieve a better positioning effect. In this embodiment, the disc portion 13 is made of elastic rubber material, and the intake flow channel 20 penetrates the convex portion 131 to facilitate manufacturing and enable the disc portion 13 to be stably disposed on the seat body 11. In this embodiment, the intake flow channel 20 includes a first flow channel 21 and a second flow channel 22 transverse to the first flow channel 21, the first flow channel 21 and the second flow channel 22 are penetrated through the The convex portion 131 allows fluid to flow into the second air chamber 15 in multiple directions to increase the pressure relief speed.

In this embodiment, the pressure relief valve portion is a pressure relief valve body 40 that releasably abuts against the inner wall of the intake flow passage 20 to block the intake flow passage 20. In detail, the intake flow path 20 is provided in the disk portion 13, and the pressure relief valve body 40 and the disk portion 13 are not integrally formed.

One of the pressure relief valve body 40 and the peripheral wall of the intake flow path 20 is provided with a ring recess, and the other is provided with a ring protrusion that can be pressed into the ring recess. In this embodiment, the pressure relief valve body 40 is provided with the ring recess 41, and the peripheral wall of the intake flow path 20 is provided with the ring protrusion 23, and the ring recess 41 and the ring protrusion 23 respectively face the pressure relief valve body 40 extends relative to one of the movement directions of the intake runner 20 to enhance the airtight effect.

The pressure relief valve body 40 is provided with a tapered section 42 which can penetrate into the intake flow passage 20 and ring against the intake flow passage 20 to block the intake flow passage 20, thereby improving air tightness effect. In this embodiment, the intake runner 20 is provided with a tapered section 24, and the tapered section 42 can pass through the tapered section 24 and ring against the tapered section 24 to block the intake runner 20, The pressing areas of the tapered section 42 and the tapered section 24 are raised to achieve a better airtight effect. The extension length of the tapered section 24 is smaller than the extension length of the tapered section 42 to strengthen the urging effect to achieve a better airtight effect. In this embodiment, the tapered section 42 is provided with an arc convex peripheral surface 43, and the tapered section 24 A pair of arc concave peripheral surfaces 25 corresponding to the arc convex peripheral surfaces 43 are provided to enhance the airtight effect. In other embodiments, the peripheral surfaces of the tapered section and the tapered section may also be flat surfaces that cooperate with each other.

The inlet flow passage 20 is provided with a neck section 26, which is provided with a first ring convex surface 27 extending radially inwards, and the pressure relief valve body 40 is provided with a second ring convex surface 44 extending radially, the first The second ring convex surface 44 and the first ring convex surface 27 can abut against each other. The second ring convex surface 44 is located between the first ring convex surface 27 and the second air chamber 15 to achieve a limiting effect.

The seat body 11 is provided with a through hole 112, the through hole 112 communicates with the intake flow channel 20, the pressure relief valve body 40 is provided with a body 45 passing through the through hole 112 and the intake flow channel 20, the body 45 A ring flange 46 is provided. The radial dimension of the ring flange 46 is smaller than the caliber of the through hole 112 and larger than the caliber of an inlet 28 of the intake flow channel 20. The ring flange 46 can close the inlet 28 to achieve airtightness And it can be accommodated in the through hole 112 to achieve the limiting effect and move steadily relative to the intake runner 20.

One of the seat body 11 and the disk portion 13 is provided with a ring groove, and the other is provided with a coupling convex portion which can be embedded in the ring groove, and one of the ring groove and the coupling convex portion is provided with at least one groove The other is provided with a column that can be inserted into the groove. In this embodiment, the seat body 11 is provided with the ring groove 113, and the disk portion 13 is provided with the coupling convex portion 132, so that the disk portion 13 can be directly detached from the ring groove 113 to achieve a positioning effect. In this embodiment, the ring groove 113 is provided with each of the pillars 114, and the coupling convex portion 132 is provided with each of the grooves 133; in addition, the number of the at least one groove 133 is plural, and the number of the at least one pillar 114 The number is plural, thereby preventing the disc portion 13 from being laterally pulled out due to excessive deformation.

Furthermore, the gas-tight ring portion 50 is provided with a ring abutment piece 51 which can be radially disengaged to disengage the ring against the inner ring wall of the exhaust flow passage 17 to block the exhaust flow passage 17 In this way, the abutment piece 51 can be disengaged from the inner ring wall of the exhaust flow channel 17 to allow gas to pass through.

In addition, the suction cup 1 further includes a hanging structure 60 including a base portion 61 and a hanging portion 62 connected to the seat body 11, one of the base portion 61 and the hanging portion 62 is provided with a through hole, The other is provided with a fastener. In this embodiment, the base 61 is provided with the through hole 611, the hanging portion 62 is provided with the fastener 621, and the fastener 621 is provided with a first clip 622 and a spaced connection The second clamping piece 623 of the first clamping piece 622, the through hole 611 is provided with a large diameter hole 612 and a small diameter hole 613 communicating with the large diameter hole 612, the second clamping piece 623 is provided with a wide section 624 and a Connected to the narrow section 625 of the wide section 624, the wide section 624 corresponds to the large-diameter hole 612, the narrow section 625 corresponds to the small-diameter hole 613, the narrow section 625 has an extension larger than the wide section 624, so as to achieve quick disassembly Outfit. In use, the fastener 621 penetrates the through hole 611 and moves relative to the through hole 611, so that the first clip 622 and the second clip 623 sandwich the edge of the through hole 611.

Please refer to FIGS. 8 and 9, which show a second preferred embodiment of the present invention. The difference from the first preferred embodiment is that the intake runner 20 penetrates the groove wall of the annular groove 113 and the联合 convex part 132.

Please refer to FIG. 10 to FIG. 15, which shows the third preferred embodiment of the present invention. The difference from the first preferred embodiment is that the pressure relief valve portion is integrally formed on one of the disk portions 13' An elastically deformable pressure relief check valve 40', which is provided with an elastically deformable wall portion 41' and an intake slit 42' surrounded by the wall portion 41' The slit 42' communicates with the intake runner 20. In this way, the wall portion 41 ′ can be deformed by pressing; under normal conditions, the gas can only come out from the second gas chamber 15 and cannot enter, especially the greater the negative pressure, the tighter the inlet slit 42 ′, the higher the gas密效应。 Secret effect.

Furthermore, the disc portion 13' is provided with a bottom surface 134' for contacting the base surface, and the bottom surface 134' is provided with a plurality of ring ribs 135', further illustrating that the plurality of ring ribs 135' are deformable materials to improve Airtight effect.

Please refer to FIGS. 16-17, which shows a fourth preferred embodiment of the present invention. The difference from the third preferred embodiment is that the pressure relief check valve 40a is further provided with an elliptical pressure ring 48 and a plurality of Radially extending ribs 47, each of which is connected between the wall 41a and the elliptical pressure ring 48. In other embodiments, the elliptical pressure ring may also be a perfect circle, square, polygon, etc. Therefore, the two opposite sides of the oval pressure ring are pressed to prevent the wall portion 41a from being excessively deformed, so that the wall portion is deformed to open the air inlet slit 42'.

In use, the control member 12 is moved relative to the seat body 11 to extract the fluid in the first air chamber 14 and the second air chamber 15 to form an airtight state, and the disc portion 13 can be elastically deformed for The base surface is closely adhered to achieve the effect of adsorption; the pressure relief valve portion is then controlled to open or close the intake flow passage 20.

In summary, the present invention can move relative to the intake flow path through the pressure relief valve body, and can provide a rapid pressure relief effect.

1: suction cup

10: suction cup parts

11: seat body

12: control parts

13: Disk Department

60: hanging structure

Claims (7)

A suction cup includes: a suction cup part, including a base body, a control member movably provided on the base body, and an elastically deformable disk portion, the disk portion is provided on the seat body and can contact a base surface , The suction cup member further includes a first air chamber, a second air chamber, a first-class channel, an exhaust flow channel and an intake flow channel, the flow channel communicates with the first air chamber and the second air chamber, the The exhaust flow path communicates with the first air chamber and the outside. The control member further includes an airtight ring portion, which can open the closed airflow path to block the exhaust flow path, and the intake flow The channel communicates with the second gas chamber and the outside; a one-way valve, installed in the flow channel, can openly close the flow channel and can allow gas to flow from the second gas chamber to the first gas chamber; a pressure relief valve Part, which can openly seal the intake flow passage and block the intake flow passage; wherein, the pressure relief valve portion is an elastically deformable pressure relief check valve integrally formed on the disc portion, the pressure relief The directional valve is provided with an elastically deformable wall portion and an air inlet slit surrounded by the wall portion, and the air inlet slit communicates with the air inlet flow path. The suction cup according to claim 1, wherein the seat body and the disc part jointly constitute the second air chamber. A suction cup includes: a suction cup part, including a base body, a control member movably provided on the base body, and an elastically deformable disk portion, the disk portion is provided on the seat body and can contact a base surface , The suction cup member further includes a first air chamber, a second air chamber, a first-class channel, an exhaust flow channel and an intake flow channel, the flow channel communicates with the first air chamber and the second air chamber, the The exhaust flow path communicates with the first air chamber and the outside. The control member further includes an airtight ring portion, which can open the closed airflow path to block the exhaust flow path, and the intake flow The channel connects the second gas chamber and the outside; A one-way valve installed in the flow channel to openably close the flow channel and allow gas to flow from the second gas chamber to the first gas chamber; a pressure relief valve portion to openly seal the intake air flow Blocking the intake flow passage; wherein the pressure relief valve portion is a pressure relief valve body that releasably abuts against the inner wall of the intake flow passage to block the intake flow passage; the intake The flow channel is provided with a neck section, the neck section is provided with a first ring convex surface extending radially inwards, and the pressure relief valve body is provided with a second ring convex surface extending radially, the second ring convex surface can be connected with the first ring The convex surfaces abut against each other, and the second ring convex surface is located between the first ring convex surface and the second air chamber. The suction cup according to claim 3, wherein one of the pressure relief valve body and the peripheral wall of the intake flow path is provided with a ring recess, and the other is provided with a ring protrusion which can be pressed into the ring recess. The suction cup according to claim 3, wherein the pressure relief valve body is provided with a tapered section, the tapered section can penetrate into the intake flow passage and ring against the intake flow passage to block the intake flow passage. The suction cup according to claim 5, wherein the intake flow passage is provided with a tapered section, and the tapered section may be penetrated in the tapered section and ring against the tapered section to block the intake flow passage. The suction cup according to claim 6, wherein the seat body and the disc portion jointly constitute the second air chamber; the seat body is provided with a concave portion, the disc portion is provided with a radially extending convex portion, and the intake flow path penetrates The convex portion; the opposite sides of the convex portion abut against the opposite sides of the concave portion of the seat body; the intake flow channel includes a first flow channel and a second flow channel transverse to the first flow channel, the The first flow path and the second flow path are penetrated through the convex portion; one of the pressure relief valve body and the peripheral wall of the intake flow path is provided with a ring recess, and the other is provided with a ring that can be forced into the ring recess Convex; the ring concave and the ring convex respectively extend toward a direction of movement of the pressure relief valve body relative to the intake flow channel; one of the seat body and the disc portion is provided with a ring groove, and the other is provided with an embeddable A coupling convex portion provided in the ring groove, one of the ring groove and the coupling convex portion is provided with at least one groove, and the other is provided with a cylinder which can be penetrated through the groove; the extension length of the tapered section Less than the extension length of the cone section; the seat The body is provided with a through hole, the through hole communicates with the intake flow path, the pressure relief valve body is provided with a body through which the through hole and the intake flow path are provided, the body is provided with a ring flange, and the ring flange The radial size is smaller than the diameter of the through hole and larger than one of the inlet diameters of the intake flow channel; the suction cup further includes a hanging structure, the hanging structure includes a base connected to the seat body and a hanging portion, the base and One of the hanging parts is provided with a through hole, the other is provided with a fastener, the fastener is provided with a first clip and a second clip connected to the first clip at intervals, the through hole is provided with a large diameter Hole and a small diameter hole communicating with the large diameter hole, the second clip is provided with a wide section and a narrow section connecting the wide section, the wide section corresponds to the large diameter hole, and the narrow section corresponds to the small diameter hole The extension dimension of the narrow section is larger than that of the wide section; the disc portion is provided with a bottom surface for contacting the base surface, and the bottom surface is provided with a plurality of ring ribs.

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