JP2009150516A - Sucker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sucker which enhances suction by deflection of the peripheral part and maintains the suction for a long time. <P>SOLUTION: A sucking face 11 is concavely curved, a non-sucking face 12 is shaped like a convexly curved round dish, and is formed of a flexible material to be gradually thinner from the center part to a peripheral part 13 so as to enhance the flexibility of the peripheral part 13. A projection 14 is formed integrally at the central part of the non-sucking face 12 and a bow-shaped additional member 2 is fixed thereto so as to give a force to enhance the suction which is produced by flexure of the peripheral part 13. The additional member 2 is flexed together with the peripheral part 13 to enhance the suction due to the elastic restoring force of the additional member 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a suction cup that adsorbs to an appropriate object.

The suction cup is formed into a round dish shape with a flexible material such as vinyl chloride resin, synthetic rubber, and the like. Patent Document 1).
JP 2007-285494 A

  However, since the conventional suction cup is formed of a flexible material and is only adsorbed by the bending of the peripheral edge, the suction force is reduced due to aging of the suction cup, and the load of the supported object supported by the suction cup As a result, it was easy to drop off, and improvement measures were desired. Also, in order to increase the adsorption power, it is necessary to form a large diameter and increase the adsorption area, so the overall size becomes large, the cost increases, and the number of nonconformity points increases. A plan was requested.

  The present invention has been made in view of such circumstances, and a main object is to provide an additional member that adds a force in a direction to increase the suction force, thereby increasing the suction force generated by the bending of the peripheral edge. An object of the present invention is to provide a suction cup capable of extending the adsorption maintenance period.

  Another object is to provide a suction cup that can be adsorbed by a single adsorption operation by making the additional member a flexible body that bends when the peripheral edge is bent.

  Another object is to form the additional member as a basic material of the suction cup by using a plate member whose central portion is fixed to the center side of the non-adsorbing surface and whose edge is arranged outside the edge of the peripheral edge. It is an object to provide a suction cup that can be provided with an additional member without changing the height and that can suppress an increase in cost due to the provision of the additional member.

  Another object is to provide a protrusion at the center of the non-adsorbing surface, an additional member that is a belt-like plate having a hole into which the protrusion is inserted, and curved in a bow shape. It is an object of the present invention to provide a suction cup capable of improving the attachment workability of the additional member and suppressing the cost increase by adopting a configuration in which the fixing tool for fixing the screw is fitted to the protrusion.

  Another object of the present invention is to provide a suction cup that can be reduced in size with respect to a predetermined suction force by enlarging an additional member on the center side of the surface to be sucked, and that can expand a suckable portion. It is in.

  Another object is to provide a recess on the center side of the suction surface and hold the additional member in the recess to reduce the amount of protrusion of the additional member relative to the suction surface when sucked. The aim is to provide a suction cup that can do much.

  Another object is to install the additional member by providing a movable body that is movably held in the recess and an additional member that is accommodated in the recess and has an elastic body that biases the movable body. An object of the present invention is to provide a suction cup capable of improving the performance and appropriately changing the suction force.

  Another object is to provide an adsorption portion that is adsorbed by the bending of the peripheral edge on the center side of the adsorption surface, so that the adsorption force can be further increased, and the adsorption is maintained even when adsorbing to a wet surface. It is in providing a suction cup that is possible.

The suction cup according to the first aspect of the present invention is characterized in that suction force is generated by bending of the peripheral portion, and the suction cup is attached to an object, and includes an additional member that adds a force in a direction to increase the suction force.
In the first invention, the suction force generated by the bending of the peripheral edge can be increased by the force applied by the additional member, so that the suction maintenance period can be lengthened, and for a predetermined suction force And can be made small.

The suction cup according to a second aspect of the present invention is characterized in that the additional member is a flexible body that bends when the peripheral edge is bent.
In the second invention, since the additional member also bends when the peripheral portion bends, it can be adsorbed by a single adsorption operation, and the attachment workability of the suction cup provided with the additional member is good.

The suction cup according to a third aspect of the present invention is characterized in that the additional member is a plate material whose central portion is fixed to the center side of the non-adsorbing surface and whose end edge is disposed outside the edge of the peripheral edge portion. To do.
In the third invention, since it is possible to attach the plate material without changing the basic shape of the suction cup, it is possible to suppress the high cost due to the provision of the additional member, and it is possible to reduce the cost for the adsorption performance.

A suction cup according to a fourth aspect of the present invention has a projection at the center of the non-adsorbing surface, and the additional member is a curved strip having a hole into which the projection is inserted at the center, and the strip A fixing tool for fixing the plate to the non-adsorbing surface is fitted to the protrusion.
In the fourth invention, since the additional member can be attached by inserting the protrusion into the hole of the belt-like plate and fitting the fixture to the protrusion, the attachment workability of the additional member can be improved. High cost can be suppressed.

The suction cup according to a fifth aspect of the present invention is characterized in that the additional member is provided on the center side of the adsorbing surface.
In the fifth invention, since there is an additional member on the center side from the peripheral edge portion, it is possible to further reduce the size with respect to a predetermined suction force, and it is possible to enlarge the places that can be sucked.

The suction cup according to a sixth aspect of the present invention is characterized in that there is a recess on the center side of the adsorbing surface, and the additional member is held in the recess.
In the sixth invention, since the additional member can be attached by insertion into the recess, the workability of attaching the additional member can be improved, and the protrusion of the additional member with respect to the adsorbing surface when adsorbed The amount can be reduced, the number of adsorption surfaces to be adsorbed by the bending of the peripheral edge can be increased, and the adsorption force can be further increased.

The suction cup according to a seventh aspect of the invention is characterized in that the additional member includes a movable body that is movably held in the recess, and an elastic body that is accommodated in the recess and biases the movable body.
In the seventh invention, since the elastic body and the movable body can be held by inserting the elastic body and the movable body into the recess, the workability of the additional member can be improved. Since the movable body is urged, the adsorption force can be appropriately changed by using elastic bodies having different elastic restoring forces.

The suction cup according to the eighth invention is characterized in that suction force is generated by the bending of the peripheral portion, and the suction cup that is sucked by the object is provided with a suction portion that is sucked by the bending of the peripheral portion on the center side of the suction surface. To do.
In the eighth invention, since it can be adsorbed by the adsorbing force generated by the bending of the peripheral edge and the adsorbing force by the central adsorbing part, the adsorbing force can be further increased, The size can be further reduced with respect to the adsorption force, and the slip resistance in the direction along the adsorption surface can be increased, and the adsorption can be maintained even when adsorbing on the wet surface.

  According to the first invention, the suction force generated by the bending of the peripheral edge can be increased by the force applied by the additional member, and the suction maintenance period can be lengthened. Further, it is possible to reduce the size to a predetermined adsorption force.

  According to the 2nd invention, it can be made to adsorb | suck by one adsorption operation, and attachment workability | operativity of the suction cup provided with an additional member is good.

  According to the 3rd invention, a board | plate material can be attached without changing the basic shape of a suction cup, and the high cost by providing an additional member can be suppressed. Further, the cost for a predetermined adsorption force can be reduced.

  In the fourth invention, since the additional member can be attached by inserting the protrusion into the hole of the belt-like plate and fitting the fixture to the protrusion, the attachment workability of the additional member can be improved. High cost can be suppressed.

  According to the fifth aspect of the present invention, it is possible to further reduce the size with respect to a predetermined suction force, and it is possible to enlarge the places where suction can be performed.

  According to the sixth aspect of the invention, it is possible to increase the workability of attaching the additional member, increase the number of suction surfaces that are attracted by the bending of the peripheral edge, and further increase the suction force.

  According to the seventh invention, since the elastic body and the movable body can be held by inserting the elastic body and the movable body into the recess, the workability of the additional member can be improved, and the elastic restoring force can be increased. By using different elastic bodies, the adsorption force can be changed as appropriate.

  According to the eighth aspect of the invention, the suction force generated by the bending of the peripheral edge portion and the suction force by the suction portion on the center side can be attracted, the suction force can be further increased, and the suction force is attracted to the wet surface. In some cases, it is possible to maintain adsorption. Further, the size can be further reduced with respect to a predetermined adsorption force.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
Embodiment 1
FIG. 1 is an enlarged sectional view showing the configuration of the suction cup according to the present invention, FIG. 2 is an enlarged front view showing the configuration of the suction cup, and FIG. 3 is an enlarged perspective view showing the configuration of the suction cup.

  The suction cup shown in the figure has a round plate shape in which the adsorbing surface 11 is concavely curved and the non-adsorbing surface 12 is convexly curved, and the central portion is made of a flexible material such as vinyl chloride resin or synthetic rubber. Is gradually formed thin from the peripheral part 13 to the peripheral part 13 to enhance the flexibility of the peripheral part 13, and a cylindrical projection 14 is integrally formed at the center of the non-adsorbing surface 12. The additional member 2 that applies a force in a direction to increase the suction force generated by the bending of the peripheral edge portion 13 is fixed to 14.

  The additional member 2 is flexible and is made of a belt-like plate such as a steel plate or a synthetic resin plate that is curved in a bow shape. A hole 21 corresponding to the projection 14 is formed in the central portion, and is fixed to the projection 14. It is fixed to the protrusion 14 by the tool 3.

  Both ends of the additional member 2 are formed so as to protrude outward from the edge of the peripheral portion 13 and toward the adsorbing surface 11 and bend before the peripheral portion 13 is bent. Further, as shown in FIG. 1, the additional member 2 formed of a metal material such as a steel plate or steel wire is fitted with caps 4 and 4 having flexibility such as synthetic resin and rubber at both ends.

  The fixture 3 has a fitting hole 3a that is fixed to the protrusion 14 by fitting, a cylindrical body 31 having a semicircular concave portion 31a and a plurality of fitting convex portions 31b on the end surface, and a semicircular concave portion on the end surface. 32a and a split body 32 having a plurality of fitting recesses 32b, and the additional member 2 is pressed against and fixed to the non-adsorbing surface 12 by fitting the fixture 3 into the protrusion 14, and is fitted. The insertion holes 33 are formed by making the recesses 31a and 32a face each other by fitting the projection 31b and the fitting recess 32b.

The suction cup configured as described above has the suction surface 11 opposed to the suction surface and is pressed against the suction surface, so that both ends of the additional member 2 are in contact with the suction surface and the peripheral portion 13 is The surface 11 that comes into contact with the surface to be attracted and adsorbs while the peripheral portion 13 and the additional member 2 are bent is negative pressure, and the peripheral portion 13 is adsorbed. At this time, the elastic restoring force of the additional member 2 is applied in a direction opposite to the surface 11 that is attracted to the central portion to which the additional member 2 is fixed, and the negative pressure is increased, so that the attractive force can be increased. A string-like member that supports the supported object is inserted into the insertion hole 33, or a hanging tool such as a hook is hooked.
Further, the additional member 2 can be attached by inserting the protrusion 14 of the non-adsorbing surface 12 into the hole 21 of the additional member 2 and fitting the fixture 3 into the protrusion 14.

Embodiment 2
FIG. 4 is an enlarged sectional view showing another configuration of the suction cup according to the present invention. This suction cup is provided with an additional member 5 on the surface 11 to be adsorbed instead of providing the additional member 2 on the non-adsorbing surface 12 side.

  A recess 15 is provided in the center of the adsorbing surface 11 over the position of the protrusion 14. A flange 15 a is provided at the open edge of the recess 15. Further, the projection 14 is provided with an insertion hole 16.

  The additional member 5 is accommodated in the recess 15 and a movable body 51 having a projecting portion 51 a projecting outward from the adsorbing surface 11 and a shaft portion 51 b inserted into the recess 15. The coil spring 52 is an elastic body that urges the movable body 51 to the outside. An end portion of the shaft portion 51b of the movable body 51 is provided with a flange portion 51c so that the shaft portion 51b can be inserted into the recess 15 while the diameter of the flange portion 15a of the recess 15 is increased. ing.

The suction cup configured in this manner makes the surface 11 to be attracted face the surface to be attracted and presses it against the surface to be attracted, so that the peripheral portion 13 contacts the surface to be attracted and the stretched portion of the additional member 5 51a contacts the surface to be attracted, and the peripheral surface 13 and the coil spring 52 are attracted while the peripheral surface 13 and the coil spring 52 are deflected, and the peripheral surface 13 is attracted. At this time, the elastic restoring force of the coil spring 52 is applied in the direction opposite to the surface 11 to be adsorbed, the negative pressure is increased, and the adsorbing force can be increased. Further, since the additional member 5 is disposed at the central portion of the surface 11 to be attracted, the attracting force can be increased without forming the peripheral edge portion 13 with a large diameter. A string-like member that supports the object to be supported is inserted into the insertion hole 16 or a hanging tool such as a hook is hooked.
Since other configurations and operations are the same as those of the first embodiment, the same components are denoted by the same reference numerals, and detailed descriptions and descriptions of the operations are omitted.

Embodiment 3
FIG. 5 is an enlarged sectional view showing another configuration of the suction cup according to the present invention. This suction cup is provided with an adsorbing portion 6 that adsorbs at the center of the adsorbing surface 11 due to the bending of its peripheral portion, instead of the additional members 2 and 5 having plate members or coil springs.

  A recess 15 is provided in the center of the adsorbing surface 11 over the position of the protrusion 14. A flange 15 a is provided at the open edge of the recess 15. Further, the projection 14 is provided with an insertion hole 16.

  The adsorbing portion 6 has a round plate shape, the adsorbing surface 6a is concavely curved, the non-adsorbing surface 6b is convexly curved, and the central portion is made of a flexible material such as vinyl chloride resin or synthetic rubber. Is gradually thinned from the peripheral portion 6c to the peripheral portion 6c to increase the flexibility of the peripheral portion 6c, and a shaft portion 61 is provided at the center of the non-adsorbing surface 6b. An end portion of the shaft portion 61 is provided with a flange portion 61a so that the shaft portion 61 can be inserted into the recess portion 15 while the diameter of the flange portion 15a of the recess 15 is increased. The recess 15 accommodates a coil spring 7 as an elastic body that biases the suction portion 6 to the outside.

The suction cup constructed in this manner makes the suction surface 11 face the suction surface and presses the suction surface against the suction surface, so that the peripheral portion 13 contacts the suction surface and the peripheral portion 6 c of the suction portion 6. Is in contact with the surface to be attracted, the peripheral surface 13 and the surface 11 and 6a side that adsorbs while the peripheral portion 6c of the adsorbing portion 6 is bent, and the peripheral portion 13 and the adsorbing portion 6 are adsorbed. Thus, since it adsorbs | sucks in two places, the peripheral part 13 and a center part, the area of the surface 11 to adsorb | suck can be increased, an attraction force can be raised further, and the slip resistance to the direction along the surface 11 to adsorb | suck The adsorption state can be maintained even when adsorbing on the wet surface. Moreover, since the adsorption | suction part 6 is provided in the center part, it can be made still smaller with respect to predetermined | prescribed adsorption | suction force.
Since other configurations and operations are the same as those of the first and second embodiments, the same components are denoted by the same reference numerals, and the detailed description and description of the operations are omitted.

  In the embodiment described above, a bow-shaped plate material is used as the additional member 2. However, the additional member 2 may be a trident or disk shape, and the shape is not particularly limited.

It is an expanded sectional view which shows the structure of the suction cup which concerns on this invention. It is an enlarged front view which shows the structure of the suction cup which concerns on this invention. It is an expansion perspective view which shows the structure of the suction cup which concerns on this invention. It is an expanded sectional view showing other composition of a suction cup concerning the present invention. It is an expanded sectional view showing other composition of a suction cup concerning the present invention.

Explanation of symbols

11 Adsorbing surface 12 Non-adsorbing surface 13 Peripheral portion 2, 5 Additional member 6 Adsorbing portion 15 Recess

Claims (8)

  A suction cup that generates suction force by bending of a peripheral edge and is attached to an object. The suction cup includes an additional member that adds a force in a direction to increase the suction force.   The suction cup according to claim 1, wherein the additional member is a flexible body that bends when the peripheral edge is bent.   3. The suction cup according to claim 1, wherein the additional member is a plate member having a central portion fixed to a center side of a non-adsorbing surface and an end edge arranged outside the edge of the peripheral edge portion.   There is a protrusion at the center of the non-adsorptive surface, and the additional member has a hole into which the protrusion is inserted at the center, and is a curved strip plate, which is fixed to the non-suction surface. The suction cup according to claim 3, wherein a fixing tool is fitted to the protrusion.   The suction cup according to claim 1, wherein the additional member is provided on a center side of a surface to be adsorbed.   The suction cup according to claim 5, wherein the suction surface has a recess on the center side and the additional member is held in the recess.   The suction cup according to claim 6, wherein the additional member includes a movable body that is movably held in the recess, and an elastic body that is accommodated in the recess and biases the movable body.   A suction cup in which suction force is generated by bending of a peripheral portion, and is sucked to an object, the suction cup including a suction portion that is sucked by bending of the peripheral portion on a center side of the suction surface.

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