CN2128678Y

CN2128678Y - Strong suction cup

Info

Publication number: CN2128678Y
Application number: CN 91204294
Authority: CN
Inventors: 吴铁汉
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-03-25
Filing date: 1991-03-25
Publication date: 1993-03-24
Anticipated expiration: 2001-03-25

Abstract

The utility model discloses a strong suction plate, comprising a suction plate and an outer seat. The top end of the suction plate is provided with a connection portion and the bottom surface is a cone-shaped plate surface. The outer seat is sheathed on the outer portion of the suction plate and comprises a pressure ring and a fixed ring. The height between the pressure ring and the fixed ring is higher than the distance between the connection portion of the suction plate and the plate surface. The pressure ring and the fixed ring are connected by a plurality of elastic pieces whose supporting expansion is adopted to enable the suction plate to obtain excellent suction force.

Description

Strong suction cup

The utility model relates to a kind of sucker, is meant a kind of simple structure especially and has the sucker of big suction.

See also Fig. 1, common sucker 1 is that it has a conical card 11 and a joining portion 12 by soft made such as rubber; Wherein, this joining portion 12 can combine fixing with the article A that desire is fixed, and these card 11 inner hollow are that card 11 firmly is affixed on the pre-earnest when it uses, at this moment, because of card 11 peripheries are fitted on the pre-earnest, and forming an airtight medium altitude chamber, this medium altitude chamber can slightly outwards be heaved after external force is eliminated, so, can make in the airtight medium altitude chamber that air density is thinning and produce a suction, sucker 1 can be adsorbed on the pre-earnest with article A.

Above-mentioned sucker 1 only is a coniform disk body, and is textural simple, but has desirable not to the utmost place in the use, for example: easy deformation, suction deficiency etc.; Because of above-mentioned known sucker is that soft rubber material is made, therefore, use day long afterwards, often because of solar radiation is out of shape, when the card 11 of sucker 1 deformed, the card 11 of this sucker 1 just was difficult for keeping sealed shape to be fitted on the pre-earnest again, so, promptly can produce the situation of suction deficiency; The working life of common above-mentioned sucker 1, afterwards, this sucker 1 promptly can can't bear to use because of suction is not enough about about three months; Therefore, though above-mentioned sucker low cost of manufacture, simple structure inconveniently in also short because of its working life, uses can't be liked by the Consumer extensively.So the relevant person develops powerful electromagnetic chuck again, to strengthen the suction of product, Fig. 2 for example, its structure includes: a sucker 21, outer seat 22 and one driving lever 23; Wherein, these sucker 21 bottoms have a soft card 211, then are a joining portion 212 in its end face, have a slotted eye 213 on this joining portion 212; And should be set in sucker 21 tops by outer seat 22, its periphery 221 also can compress the card 211 of sucker 21, outstanding first and second lug 222,223 of seat 22 end faces outside this, wherein, this first lug 222 is provided with a small sircle hole 224, and forms the bigger perforation 225 of a diameter on this second lug 223; Above-mentioned again slotted eye 213, small sircle hole 224 and bore a hole 225 can be corresponding, and run through by the eccentric cam 231 of this driving lever 23, wherein driving lever 23 is terminal and be fixed on the small sircle hole 224 of outer seat 22.

Please cooperate Fig. 3, when above-mentioned sucker in use, the card 211 of sucker 21 can be attached on the pre-earnest, and make outer seat 22 peripheries 221 push against card 211 peripheries, this driving lever 23 of turn then, the pushing and pressing of slotted eye 213 on 231 pairs of suckers of eccentric cam, 2 joining portion 212 of its mat on it are driven, make the joining portion 212 of sucker 21 compress earlier downwards, the air of card 211 belows is extruded, make joining portion 212 be subjected to drive again, and drive on these card 211 end faces and move, so to top offset, (shown in imaginary line) strengthened in medium altitude chamber D space between these card 211 end faces and bottom, and make in the airtight medium altitude chamber D that quantitatively air weakens, and therefore, the operation of outer seat 22 of above-mentioned sucker mat and driving lever 23, can make that the interior air of medium altitude chamber D is thinning, to increase the adhesion of sucker 21.

Above-mentioned design has no doubt increased the adsorption force of sucker, and makes sucker convenient in the use, yet above-mentioned change makes the structure of sucker become comparatively complicated also, and product parts increases, and manufacture cost also increases many relatively.

Because the deficiency of above-mentioned existing sucker, main purpose of the present utility model promptly is to provide a kind of have powerful suction, not yielding and powerful electromagnetic chuck that structure is simplified.

Major character of the present utility model is: this sucker outer ring is arranged with an outer seat, and the axial tool elasticity of this outer seat also can change its height with external force; Its upper/lower terminal is fixed respectively or is pressed together on the joining portion and card of sucker; When external force is done the time spent, but the card of this outer seat bottom pressing sucker, and its whole height also dwindles thereupon; And after external force was removed, the spring return of this outer seat mat own popped up, and drove the sucker joining portion to top offset, can make sucker have splendid suction.

Powerful electromagnetic chuck of the present utility model comprises a sucker, is the circular cone plate-like, and the bottom surface is that a card can be adsorbed on the pre-earnest, and end face is given prominence to a joining portion; Be arranged with an outer seat on the described sucker, it has a pressure ring and a retaining ring, this retaining ring is fixed on the joining portion of sucker, and pressure ring is pressed together on the card periphery of sucker, is positioned at again to be connected several between pressure ring and retaining ring and to have elasticity, utilize it to support the elastic strip body of the suction that can increase sucker.

Below enumerate several preferable possible embodiments, and conjunction with figs. describes in detail.

Fig. 1 is a kind of use schematic representation of known sucker.

Fig. 2 is a kind of three-dimensional exploded view of known powerful electromagnetic chuck.

Fig. 3 is the use schematic representation of known powerful electromagnetic chuck.

Fig. 4 is the utility model first embodiment's a three-dimensional exploded view.

Fig. 5 is the utility model first embodiment's a assembled sectional view.

Fig. 6 is the utility model first embodiment's a use schematic representation.

Fig. 7 is the utility model second embodiment's a combination schematic representation.

Fig. 8 is the utility model the 3rd embodiment's a three-dimensional exploded view.

Fig. 9 is the utility model the 3rd embodiment's a fit schematic representation.

Figure 10 is the stereogram of the outer seat of the utility model the 4th embodiment.

Figure 11 is the utility model the 4th embodiment's a fit schematic representation.

Figure 12 is the utility model the 4th embodiment's a use schematic representation.

Figure 13 is the stereogram of the outer seat of the utility model the 5th embodiment.

See also shown in Figure 4ly, the utility model first embodiment includes a sucker 3 and an outer seat 4; Wherein,

This sucker 3 is that soft rubber material is made, and the bottom is a conical card 31, these card 31 inner hollow, project upwards a joining portion 32 in its top, the scrobicular ring 321 that has a ring-type on this joining portion 32 then has the bigger stop ring of a diameter 322 above this scrobicular ring 321.

Be somebody's turn to do outer seat 4, can be steel or the plastic-steel material is made, be to be set in outer can the pushing from top to bottom of sucker 3 and at axial disk body full of elasticity, it includes bigger pressure ring of a diameter 41 and the less retaining ring 42 of a diameter, 42 of this pressure ring 41 and retaining rings are connected by plurality of elastic lamellar body 43, wherein, this pressure ring 41 can be pressed together on card 31 peripheries of sucker 3, and these retaining ring 42 central authorities have a perforation 421, these 421 diameters of boring a hole are slightly less than the stop ring 322 of sucker 3, but can be through the elasticity of a little pressure and mat sucker 3 materials own and pass the stop ring 322 of sucker 3, and be set in the above-mentioned scrobicular ring 321, the height of 42 of this pressure ring 41 and retaining rings is greater than 32 distances of card 31 and joining portion of sucker 3 again.

Please cooperate Fig. 5, when the foregoing description in when combination, be that outer seat 4 is linked on the sucker 3, wherein, the pressure ring 41 of outer seat 4 is pressed together on card 31 peripheries of sucker 3, the retaining ring 42 of outer seat 4 then is linked on the scrobicular ring 321 of sucker 3, at this moment, because of outer seat 4 height greater than card 31 and the distance of 321 of scrobicular rings, therefore, 31 distances of the scrobicular ring 321 of this sucker 3 and card then can be subjected to above-mentioned outer 4 tension and slightly growth.

Please cooperate shown in Figure 6 again, when the foregoing description in use, face 31 as the sucker 3 can be fitted on the pre-earnest R, and downward pressing sucker 3, and the part air of sucker 3 cards 31 inboards is extruded, at this moment, this outer seat 4 also makes the distance of 42 of pressure ring 41 and retaining rings dwindle because of external force P presses down, and flexible elastic strip body 43 also outwards bends thereupon; After external force P removes, 43 of elastic strip bodies on the outer seat 4 recover the elastic force pushing tow retaining ring 42 that makes progress, and drive sucker 3 joining portion 32 be fixed on outer seat 4 retaining rings 42 to top offset, so, can make hollow chamber 33 spaces in sucker 3 cards 31 strengthen (promptly returning to slightly as shown in Figure 5), and make inner airtight air become comparatively thin, can strengthen the suction of sucker 3.

The disclosed sucker 3 of the foregoing description forms a scrobicular ring 321 on its joining portion 32, therefore, the direct retaining ring 42 of seat 4 outward is pressed in the scrobicular ring 321 of sucker 3, outer 4 can be combined with sucker 3; And second embodiment as shown in Figure 7, this sucker 3 ' joining portion 32 ' be to be a straight column, when this sucker 3 ' with outside the seat 4 ' when engaging, be sucker 3 ' joining portion 32 ' on form a perforation 34 ', again in above-mentioned perforation 34 ' in wear a latch 5, can with above-mentioned sucker 3 ' with outer seat 4 ' mutually with combination.

Please consult Fig. 8 again, the 3rd embodiment of the present utility model also includes a sucker 6 and an outer seat 7; Wherein, these sucker 6 structures are identical with first embodiment, and should also have a pressure ring 71 and a retaining ring 72 by outer seat 7, wherein, this pressure ring 71 also can be pressed in the card 61 of sucker 6, and the stretch out extension portion 73 of a ring-type of this retaining ring 72, these extension portion 73 inboard several cracks 731 that form, and be connected by three flexible elastic strip bodies 74 of tool equally with 71 of pressure rings in this extension portion 73.

Please cooperate Fig. 9 again, when this 3rd embodiment in when combination, outer seat 7 is that the joining portion 62 by sucker 6 tops is pressed into, but for the retaining ring 72 that makes outer seat 7 can firmly be linked in the less scrobicular ring 63 of sucker 6 diameters, therefore, the diameter of this retaining ring 72 is slightly smaller than the stop ring 64 of scrobicular ring 63 tops, so when outside seat 7 retaining ring 72 when pressing downward to joining portion 62 in sucker 6, can utilize several crack 731 of retaining ring 72 inboards, the diameter of this retaining ring 72 is slightly strutted, can make outer 7 and engage with sucker 6; Certainly, when this retaining ring 72 was moved to the scrobicular ring 63 of sucker 6, this retaining ring 72 promptly can be replied original shape because of crack 731 and inwardly be shunk, and positively is linked in the above-mentioned scrobicular ring 63.

Next, see also shown in Figure 10,11, the utility model the 4th embodiment's outer seat 8 can be set in equally to be commonly used outside the sucker B, it also is a whippy disk body, the same retaining ring 81 that forms in its top, have on this retaining ring 81 three directly to short slot 82, and retaining ring 81 is separated into three sections isometric lamellar bodies 811, be positioned at the contiguous block 83 that 811 of lamellar bodies in twos are connected with a semicircle again; In addition, curved arc is extended with several elastic strip bodies 84 under each lateral, lamellar body 811 bottom, above-mentioned elastic strip body 84 bottoms are connected with the pressure ring 85 of outer seat 8, also have three breach 851 radially on the above-mentioned pressure ring 85, these breach 851 are also corresponding with the short slot 82 of retaining ring 81 and platen 85 is separated into three sections isometric press strips 852, in addition, the height of 81 of above-mentioned pressure ring 85 and retaining rings is greater than the joining portion B1 of sucker B and the distance between card B2.

When the present embodiment desire is used, outer seat 8 is inserted in sucker B from top to bottom, because the scrobicular ring B11 of sucker B top is enclosed big than retaining ring 81 rings, so the elastic properties of materials through short slot 82 and contiguous block 83 supports outward, the retaining ring 81 of outer seat 8 can be inserted in the joining portion B1 that is connected to sucker B, make again and be the card B2 end face that the pressure ring 85 that is interrupted shape is pressed together on sucker B, at this moment, outer seat 8 height of cause are greater than the height between sucker card B2 and scrobicular ring B11, therefore, the scrobicular ring B11 of this sucker B and the distance between card B2 then can be subjected to the tension of above-mentioned outer seat 8 and slightly support.

Please cooperate Figure 12, when external force P presses down sucker B, can make the pressure ring that is equidistant interruption 85 of outer seat 8 be pressed together on around the card B2 of sucker B (and per unit press strip 852 all can the outer end is little sticks up), so the beginning of pressing is when being plane absorption as the card B2 of sucker B, the elasticity of press strip 852 energy mat elastic strip bodies 84 is flattened on two ends on the card B2.

And work as this 4th embodiment in use, the card B2 of sucker B is fitted on the pre-earnest R, and downward pressing sucker B, the air of sucker B card B2 inboard is extruded, and should also make

pressure ring

85 and 81 distances of retaining ring dwindle because of external force P presses down by outer seat 8, and rubber-like elastic strip body 84 also presses down thereupon; After external force P removed, 81 of the retaining rings on the outer seat 8 recovered the elastic force pushing tow that makes progress, and drive be fixed on outer seat 8 sucker B joining portion B1 to top offset, so, hollow chamber space in the sucker B card B2 is strengthened, made that inner airtight air is comparatively thin, and strengthen the suction of sucker B.

Please consult Figure 13 again, another the 5th embodiment's outer seat 8 ' structure is roughly identical with above-mentioned the 4th embodiment, and the different persons of institute are: this pressure ring 85 ' bottom form a plurality of interrupted flanges 851 ', can increase outer 8 ' pressure put forth effort.

By above explanation as can be known, the utility model is as long as at the outer seat of the outer sheathed rubber-like of general common sucker, can make this sucker have bigger suction, and can still can not produce distortion under the use for a long time, and simple structure, manufacture cost also decreases.

Claims

1, a kind of powerful electromagnetic chuck comprises a sucker, is the circular cone plate-like, and the bottom surface is that a card can be adsorbed on the pre-earnest, and end face is given prominence to a joining portion; It is characterized in that: be arranged with an outer seat on the described sucker, it has a pressure ring and a retaining ring, this retaining ring is fixed on the joining portion of sucker, and pressure ring is pressed together on the card periphery of sucker, is positioned at again to be connected several between pressure ring and retaining ring and to have elasticity, utilize it to support the elastic strip body of the suction that can increase sucker.

2, powerful electromagnetic chuck according to claim 1 is characterized in that: the scrobicular ring of the retaining ring fit location of the outer seat of confession of formation one indent on the joining portion of described sucker.

3, powerful electromagnetic chuck according to claim 1 is characterized in that: the joining portion of described sucker is provided with a perforation, wears a latch in this perforation, and sucker is combined with outer seat.

4, powerful electromagnetic chuck according to claim 1 is characterized in that: the retaining ring of described outer seat extends the extension portion of a ring-type downwards, forms the flexible crack that several increases retaining ring in this extension portion inboard.

5, powerful electromagnetic chuck according to claim 1 is characterized in that: form three short slots on the retaining ring of described outer seat, retaining ring is separated into three lamellar bodies, in connecting the contiguous block of a semicircle between lamellar body again to increase retaining ring expansion force radially in twos.

6, powerful electromagnetic chuck according to claim 1 is characterized in that: the pressure ring of this outer seat has three radial indentation, makes this pressure ring be equidistant interruption.

7, according to claim 1 or 6 described powerful electromagnetic chucks, it is characterized in that: the pressure ring below of described outer seat forms a plurality of in order to increase the interrupted flange that outer seat is puted forth effort the pressure of sucker.