Retainer and pressing suction cup

Abstract

The utility model provides a retainer and pressing sucker, the retainer comprises an annular pressure plate, the center of the pressure plate is provided with a central boss protruding upwards, the bottom surface of the pressure plate comprises a first cambered surface, an inner concave surface and a second cambered surface which are connected in sequence, and the first cambered surface and the second cambered surface are located on the same circle; the circle where the second cambered surface is located and the circle where the top surface of the pressure plate is located are concentric circles; the lengths of the projections of the first cambered surface, the inner concave surface and the second cambered surface on the horizontal plane are gradually increased in sequence; due to the design of the inner concave surface, the thickness of the retainer at the part is reduced, and a two-stage springback trend is formed between the first arc surface and the second arc surface; when the retainer is pressed, the central area of the retainer is easier to deform, and pressing is more labor-saving; when the holder is used for pressing the suction cup, after pressing, the inward concave surface enables the central area of the holder to rebound more easily, the deformation of the inward concave surface can reduce the reverse resilience force of the periphery of the holder to the suction cup body, and the holder can apply downward pressure to the edge of the suction cup body more stably to prevent loosening caused by air leakage.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household goods, especially to a holding frame and press suction cup. BACKGROUND

[0002] The press suction cup is a common household product, which forms a vacuum cavity by pressing to expel the air inside the suction cup and is fixed on the wall, cabinet surface or the like by utilizing the pressure difference between the inside and outside to hang articles. It is widely used because of its convenience and no need to damage the wall. The press suction cup comprises a suction cup body, an elastic holding frame and a rack. The suction cup body is made of an elastic skeleton with rubber, the middle part of the front surface of the suction cup body has a connecting column extending outward, the elastic holding frame is sleeved on the connecting column, the front surface of the holding frame is provided with the rack, the middle part of the suction cup body is connected with the rack through the connecting column, and the rack is used for mounting a hook or a main part to be hung.

[0003] The press suction cup on the market has the problem of laborious pressing, and a large external force needs to be applied to deform the suction cup body and the elastic holding frame. The existing elastic holding frame is a bowl-shaped plastic sheet with a convex boss at the center, which is laborious to press and deform, and the elastic holding frame only produces deformation to generate downward pressure on the suction cup body when being pressed down. After the suction cup body is fixed, the elastic holding frame has too much rebound force, and the edge of the suction cup body is easy to leak air and cause loosening. SUMMARY

[0004] To overcome the problems in the related art, the utility model provides a holding frame and press suction cup to make pressing labor-saving and improve the fixing reliability of the press suction cup.

[0005] One of the purposes of the utility model is to provide a holding frame:

[0006] The holding frame comprises a ring-shaped pressing disc, and the pressing disc has a center convex boss upwardly protruding at the center;

[0007] The bottom surface of the pressing disc comprises a first arc surface, an inner concave surface and a second arc surface connected in sequence, and the first arc surface and the second arc surface are on the same circle;

[0008] The first arc surface, the second arc surface and the top surface of the pressing disc are all upwardly protruding arc surfaces;

[0009] The circle where the second arc surface is located and the circle where the top surface of the pressing disc is located are concentric circles;

[0010] The lengths of the projections of the first arc surface, the inner concave surface and the second arc surface on the horizontal plane increase in sequence.

[0011] In the preferable technical scheme of the utility model, the top surface of the center convex boss and the top surface of the pressing disc are circularly arc transitioned, and the bottom surface of the center convex boss and the bottom surface of the pressing disc are circularly arc transitioned.

[0012] In the preferable technical scheme of the utility model, the first arc surface inner end and the center boss bottom surface circular arc transition; the inner concave surface two ends respectively and the first arc surface outer end and the second arc surface inner end circular arc transition; the second arc surface outer end and the pressure disc top surface outer end circular arc transition.

[0013] In the preferable technical scheme of the utility model, the pressure disc bottom surface outer periphery is evenly distributed with a plurality of pressure connection convex strips, and the projection of the pressure connection convex strip on the horizontal plane is arranged along the radial direction of the pressure disc outer circle.

[0014] In the preferable technical scheme of the utility model, the pressure disc upper periphery is evenly distributed with a plurality of strip holes, the strip hole is located between the convex strip and the inner concave surface, and the projection of the strip hole on the horizontal plane is arranged along the radial direction of the pressure disc outer circle. The design of the strip hole can reduce the consumption material and make the retainer more easily rebound and deform.

[0015] In the preferable technical scheme of the utility model, the projection of the first arc surface on the horizontal plane is A, the projection of the inner concave surface on the horizontal plane is B, and the projection of the second arc surface on the horizontal plane is C, wherein A / B≥8 and B / C≥2.

[0016] The second purpose of the utility model is to provide a pressing suction disc.

[0017] The pressing suction disc comprises a suction disc body, a retainer and a rack.

[0018] The suction disc body is formed by rubber coating of an elastic framework, the elastic framework middle part is provided with an upward extending connecting column, the connecting column is not rubber coated, and the connecting column bottom surface is provided with a positioning part matched with the center convex inner cavity.

[0019] The retainer is the above-mentioned retainer, and the center boss middle part is provided with a through hole through which the connecting column passes.

[0020] The connecting column is rotationally connected with the rack, the retainer is sleeved on the retainer, one end of the retainer abuts against the rack, and the other end abuts against the positioning part.

[0021] In the preferable technical scheme of the utility model, the rack comprises a base body, and the suction disc body is installed on the back surface of the base body; the base body outer periphery extends outwardly with an extension arm, and the extension arm is provided with a plug-in slot used for connecting a hook or a main body part to be hung and fixed.

[0022] In the preferable technical scheme of the utility model, the base body center is coaxially provided with a shaft hole; the connecting column distal end is evenly distributed with at least two elastic clamping heads, and the elastic clamping head distal end is provided with a clamping convex; after the connecting column penetrates through the shaft hole, the clamping convex is in contact with the shaft hole outer end surface. After the pressing suction disc is fixed, when the position of the plug-in slot needs to be adjusted, an external force exceeding the friction between the clamping convex and the shaft hole outer end surface can be applied to the extension arm, so that the rack rotates around the connecting column.

[0023] In the preferable technical scheme of the utility model, the end side of the inner wall of the shaft hole close to the front face of the base body is a conical surface; the top face of the clamping convex is provided with a guide conical surface matched with the conical surface.

[0024] The utility model discloses the beneficial effect that:

[0025] The retainer includes a ring-shaped pressing disc, the pressing disc has a center boss protruding upward in the center, the bottom surface of the pressing disc includes a first arc surface, a concave surface and a second arc surface connected in sequence, and the first arc surface and the second arc surface are on the same circle; the first arc surface, the second arc surface and the top surface of the pressing disc are all upwardly protruding arc surfaces; the circle on which the second arc surface is located and the circle on which the top surface of the pressing disc is located are concentric circles; the lengths of the projections of the first arc surface, the concave surface and the second arc surface on the horizontal plane increase in sequence; the design of the concave surface makes the thickness of the retainer thinner at the part, and when the retainer is pressed, the central region of the retainer is more easily deformed under stress, so that pressing is more labor-saving; when the retainer is used to press the suction disc, after pressing, the concave surface makes the central region of the retainer more easily rebound, the central region of the retainer rebounds, the deformation of the concave surface can reduce the reverse rebound force of the outer periphery of the retainer on the main body of the suction disc, the retainer can more stably exert downward pressure on the edge of the main body of the suction disc, so that the retainer and the main body of the suction disc generate interaction force, and air leakage caused by loosening is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a front view of the retainer.

[0027] Figure 2 is Figure 1 A-A sectional view of the retainer.

[0028] Figure 3 is a structural schematic view of the back of the retainer.

[0029] Figure 4 is a structural schematic view of the pressed suction disc.

[0030] Figure 5 is a sectional view of the pressed suction disc.

[0031] REFERENCE SIGNS:

[0032] 100, retainer; 110, pressing disc; 111, first arc surface; 112, concave surface; 113, second arc surface; 120, center boss; 130, slot; 140, through hole; 150, crimping convex strip; 200, main body of suction disc; 210, rubber coating; 220, elastic skeleton; 230, positioning part; 240, connecting column; 250, elastic clamping head; 260, clamping convex; 300, rack; 310, extension arm; 311, plug-in slot; 320, shaft hole. DETAILED DESCRIPTION

[0033] Preferred embodiments of the present application will be described in greater detail below, with reference to the drawings. While preferred embodiments of the present application are shown in the drawings, it is understood that the present application can be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this application will be thorough and complete, and fully convey the scope of the present application to those skilled in the art.

[0034] The present embodiment provides a holder 100 and a pressing suction disc, so that pressing is labor-saving, and the fixing reliability of the pressing suction disc is improved.

[0035] As shown in Figures 1-5 A holder 100, comprising;

[0036] The pressing disc 110 comprises a ring, and the pressing disc 110 has a center boss 120 protruding upward in the center;

[0037] The bottom surface of the pressing disc 110 comprises a first arc surface 111, an inner concave surface 112 and a second arc surface 113 connected in sequence, and the first arc surface 111 and the second arc surface 113 are on the same circle;

[0038] The first arc surface 111, the second arc surface 113 and the top surface of the pressing disc 110 are all upwardly convex arc surfaces;

[0039] The circle on which the second arc surface 113 is located and the circle on which the top surface of the pressing disc 110 is located are concentric circles;

[0040] The lengths of the projections of the first arc surface 111, the inner concave surface 112 and the second arc surface 113 on the horizontal plane increase in sequence.

[0041] The holder 100 of the present design is used for a pressing suction disc, the design of the inner concave surface 112 makes the thickness of the holder 100 at this part thin, and when pressed, the central region of the holder 100 is more easily deformed under stress, so that pressing is more labor-saving; when the holder 100 is used for a pressing suction disc, after pressing, the inner concave surface 112 makes the central region of the holder 100 more easily rebound, the rebound of the central region of the holder 100, the deformation of the inner concave surface 112 can reduce the reverse rebound force of the outer periphery of the holder 100 on the suction disc body 200, the holder 100 can more stably exert downward pressure on the edge of the suction disc body 200, so that the holder 100 and the suction disc body 200 generate mutual interaction force, preventing loosening caused by air leakage.

[0042] When the holder 100 of the present design is used for a pressing suction disc, the specific operation steps are as follows:

[0043] Place the pressing suction disc on the base surface, so that the bottom surface of the suction disc body 200 is attached to the base surface;

[0044] The pressing disc is pressed, the holder 100 and the disc body 200 are deformed, the bottom surface of the disc body 200 is discharged from the cavity of the base surface, and a vacuum is formed;

[0045] The pressure on the pressing disc is released, the holder 100 and the disc body 200 are rebounded, the holder 100 can stably exert downward pressure on the edge of the disc body 200, and the pressing disc is firmly fixed on the base surface.

[0046] In the embodiment, the top surface of the center boss 120 is circularly transitioned with the top surface of the pressing disc 110, and the bottom surface of the center boss 120 is circularly transitioned with the bottom surface of the pressing disc 110.

[0047] In the embodiment, the inner end of the first arc surface 111 is circularly transitioned with the bottom surface of the center boss 120;

[0048] The two ends of the inner concave surface 112 are circularly transitioned with the outer end of the first arc surface 111 and the inner end of the second arc surface 113, respectively;

[0049] The outer end of the second arc surface 113 is circularly transitioned with the outer end of the top surface of the pressing disc 110.

[0050] In the embodiment, the bottom surface of the pressing disc 110 is uniformly distributed with a plurality of pressing convex strips 150, the projection of the pressing convex strip 150 on the horizontal plane is arranged along the radial direction of the outer circle of the pressing disc 110, the pressing convex strip 150 can make the holder 100 and the disc body 200 more tightly combined after the pressing disc is pressed and fixed, the holder 100 and the disc body 200 generate interaction force, and air leakage is prevented to cause loosening.

[0051] In the embodiment, the pressing disc 110 is uniformly distributed with a plurality of strip holes 130, the strip hole 130 is located between the convex strip and the inner concave surface 112, the projection of the strip hole 130 on the horizontal plane is arranged along the radial direction of the outer circle of the pressing disc 110, and the strip hole 130 is designed to reduce the consumption of materials and make the holder 100 more easily rebounded and deformed.

[0052] In the embodiment, the length of the projection of the first arc surface 111 on the horizontal plane is A, the length of the projection of the inner concave surface 112 on the horizontal plane is B, the length of the projection of the second arc surface 113 on the horizontal plane is C, the rebounding force of the pressing disc is provided by the elastic skeleton 220 of the holder 100 and the disc body 200, if the rebounding amount of the holder 100 is too small, the vacuum degree of the vacuum cavity formed by the disc body 200 and the base surface after pressing is low, and the adsorption force of the disc body 200 is insufficient; if the rebounding amount of the holder 100 is too large, the outer peripheral edge of the disc body 200 is excessively deformed when pressed, the disc body 200 is easy to leak air, and the fixing reliability is low. In order to balance the pressing labor-saving and the fixing reliability, the rebounding force is appropriate, and the following conditions need to be met: A / B≥8 and B / C≥2.

[0053] As Figures 1-5 shown, the embodiment also provides a pressing suction cup:

[0054] The pressing suction cup comprises a suction cup body 200, a holder 100 and a rack 300.

[0055] The suction cup body 200 is formed by coating the elastic framework 220 with the rubber 210, and the elastic framework 220 is provided with a connecting column 240 extending upward in the middle part, and the connecting column 240 is not coated with the rubber, and the bottom surface of the connecting column 240 is provided with a positioning part 230 matched with the central convex inner cavity.

[0056] The holder 100 is the above-mentioned holder 100, and the central convex platform 120 is provided with a through hole 140 through which the connecting column 240 passes.

[0057] The connecting column 240 is rotationally connected with the rack 300, the holder 100 is sleeved on the holder 100, one end of the holder 100 abuts against the rack 300, and the other end abuts against the positioning part 230.

[0058] In the embodiment, the rack 300 comprises a base body, and the suction cup body 200 is installed on the back surface of the base body; the base body is outwardly extended with an extension arm 310, and the extension arm 310 is provided with a plug-in slot 311 used to connect a hook or a fixed pressing disc 110 piece to be hung, and the pressing disc 110 piece comprises, but is not limited to, a shower seat, a mop clamp, a row of hooks and a storage rack.

[0059] In the embodiment, the base body is coaxially provided with a shaft hole 320; the connecting column 240 is uniformly distributed with at least two elastic clamping heads 250 at the circumferences of the ends, and the elastic clamping heads 250 are provided with clamping convexes 260 at the ends; after the connecting column 240 penetrates through the shaft hole 320, the clamping convexes 260 are in contact with the outer end surface of the shaft hole 320. When the position of the plug-in slot 311 needs to be adjusted after the pressing suction cup is fixed, an external force exceeding the friction between the clamping convexes 260 and the outer end surface of the shaft hole 320 can be applied to the extension arm 310, so that the rack 300 rotates around the connecting column 240.

[0060] In the embodiment, the end side of the inner wall of the shaft hole 320 close to the front surface of the base body is a conical surface; and the top surface of the clamping convex 260 is provided with a guide conical surface matched with the conical surface. When assembling, the connecting column 240 is inserted from the back surface of the base body, and the conical surface extrudes the guide conical surface to deform the elastic clamping head 250, so that the elastic clamping head 250 penetrates through the shaft hole 320.

[0061] The foregoing is considered as illustrative only of the principles of the application. Other variations and modifications can be made to the above-described embodiments consistent with the principles of the present application. No limitation is intended to the details of construction or the arrangement of parts illustrated, other than as implied by the principles of the application; the application is capable of other embodiments and of being practiced or carried out in various ways. Also, it is to be understood that the terminology employed herein is for purpose of describing the application and the use of terms such as "first" and "second" are only intended to describe a relative position and are not intended to indicate an absolute position. Accordingly, the present application is not to be restricted, except as by the appended claims.

[0062] In the description of the present application, it is to be understood that the orientation words such as "front, back, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without the contrary description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation to the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.

[0063] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the example term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0064] In addition, it should be noted that the use of the words "first", "second" and the like to define parts of components is only for the convenience of distinguishing the corresponding parts of components, and the above words have no special meaning unless otherwise stated, and therefore cannot be understood as a limitation to the protection scope of the present application.

[0065] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A holder (100), characterized in that: comprising a ring-shaped pressing disc (110), the pressing disc (110) has a center boss (120) protruding upward in the center; the bottom surface of the pressing disc (110) comprises a first arc surface (111), a concave surface (112) and a second arc surface (113) connected in turn, the first arc surface (111) and the second arc surface (113) are on the same circle; the first arc surface (111), the second arc surface (113) and the top surface of the pressing disc (110) are all upward convex arc surfaces; the circle where the second arc surface (113) is located and the circle where the top surface of the pressing disc (110) is located are concentric circles; the lengths of the projections of the first arc surface (111), the concave surface (112) and the second arc surface (113) on the horizontal plane increase in turn.

2. The holder (100) according to claim 1, characterized in that: the top surface of the center boss (120) and the top surface of the pressing disc (110) are circularly transitioned, and the bottom surface of the center boss (120) and the bottom surface of the pressing disc (110) are circularly transitioned.

3. The holder (100) according to claim 2, characterized in that: the inner end of the first arc surface (111) and the bottom surface of the center boss (120) are circularly transitioned; the two ends of the concave surface (112) and the outer end of the first arc surface (111) and the inner end of the second arc surface (113) are circularly transitioned, respectively; the outer end of the second arc surface (113) and the outer end of the top surface of the pressing disc (110) are circularly transitioned.

4. The holder (100) according to claim 1, characterized in that: the bottom surface of the pressing disc (110) is uniformly distributed with a plurality of pressing convex strips (150) on the circumference, and the projections of the pressing convex strips (150) on the horizontal plane are arranged along the radial direction of the outer circle of the pressing disc (110).

5. The holder (100) according to claim 4, characterized in that: a plurality of strip holes (130) are uniformly distributed on the circumference of the pressing disc (110), the strip holes (130) are located between the convex strips and the concave surface (112), and the projections of the strip holes (130) on the horizontal plane are arranged along the radial direction of the outer circle of the pressing disc (110).

6. The holder (100) according to claim 1, characterized in that: the length of the projection of the first arc surface (111) on the horizontal plane is A, the length of the projection of the concave surface (112) on the horizontal plane is B, and the length of the projection of the second arc surface (113) on the horizontal plane is C, wherein A / B≥8 and B / C≥2.

7. A pressing suction disc, characterized in that: comprising a suction disc body (200), a holder (100) and a rack (300); the suction disc body (200) is formed by rubber coating of an elastic framework (220), the elastic framework (220) is provided with a connecting column (240) extending upward in the middle, the connecting column (240) is not rubber-coated, and the bottom surface of the connecting column (240) is provided with a positioning part (230) matched with the center convex inner cavity; the holder (100) is the holder (100) according to any one of claims 1-6, and the center boss (120) is provided with a through hole (140) through which the connecting column (240) passes. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The connecting column (240) is rotationally connected with the rack (300), the holder (100) is sleeved on the holder (100), and one end of the holder (100) abuts against the rack (300), and the other end abuts against the positioning portion (230).

8. The pressing chuck according to claim 7, characterized in that: The rack (300) comprises a base body, and the chuck body (200) is installed on the back of the base body; The base body is outwardly extended with an extension arm (310) around the periphery, and the extension arm (310) is provided with a plug-in slot (311) for connecting a hook or a fixed pressing disc part to be hung.

9. The pressing chuck according to claim 8, characterized in that: The base body is coaxially provided with a shaft hole (320) at the center; The connecting column (240) is outwardly and circumferentially provided with at least two elastic clamping heads (250) at the end, and the elastic clamping heads (250) are provided with clamping protrusions (260) at the end; After the connecting column (240) penetrates through the shaft hole (320), the clamping protrusions (260) are in contact with the outer end surface of the shaft hole (320).

10. The pressing chuck according to claim 9, characterized in that: The inner wall of the shaft hole (320) is a conical surface close to the end side of the front surface of the base body; The top surface of the clamping protrusion (260) is provided with a guide conical surface capable of cooperating with the conical surface.

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