CN218355627U - Simple sucker hook - Google Patents

Abstract

The utility model discloses a simple sucker hook, which comprises a sucker, a bearing piece and a hook, wherein the sucker comprises a sucker body, a framework and a cover, the sucker body is coated on the framework, the framework is provided with a connecting part, the connecting part and the framework are integrally formed, the connecting part comprises a rectangular bulge, clamping edges are all stretched out from the top of the rectangular bulge to two sides, the cover is sleeved on the connecting part and covers the back of the sucker body, the bearing piece and the hook are integrally formed, and transverse limiting support points are symmetrically arranged inside the bearing piece; a limiting groove is reserved on one side, close to the hook, of the transverse limiting supporting point, and the height and the width of the limiting groove are matched with the height and the width of the clamping edge. The simple sucker hook is simple, convenient and quick in connection position fixing, strong in bearing capacity, high in reliability, simple in overall hook structure and wide in application range.

Description

Simple sucker hook

Technical Field

The utility model relates to the technical field of articles for daily use, concretely relates to simple and easy sucking disc couple.

Background

The hook has a wide application range in daily life, can hang many small articles, and enables the articles to be placed neatly and clearly, and is very convenient to take. In addition to the aesthetic appeal of hook products, the cost performance and load bearing capacity of hooks are becoming more and more important factors in the selection of hooks by consumers when purchasing hook products.

The integral type couple of present generally used needs to fix on the base member wall through viscose and nailing, can cause irreversible destruction to the base face. Another common hook includes a hook body and a fixing body, and the fixing body is generally adhered to a base surface by using a traceless adhesive or a common suction cup to fix the hook. Generally, a hook body penetrates through a connecting hole of a fixed body to be connected with the fixed body, the weight of a hung article is transferred to a connecting position due to the small contact area of the hook body and the connecting hole, and the connecting hole is damaged due to the large stress of the unit area of the connecting position, so that the hook falls off. In addition, the hook body is connected with the fixed surface through threads, the connection mode is high in reliability, but the operation is slightly complicated, and the overall structure of the hook is relatively complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple and easy sucking disc couple, this simple and easy sucking disc couple hookup position is fixed simple and convenient, swift, and the bearing capacity is strong, and the reliability is high, and couple overall structure is simple, and application range is wide.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a simple sucker hook comprises a sucker, a bearing piece and a hook, wherein the sucker comprises a sucker body, a framework and a disk cover, the sucker body is covered on the framework, the framework is provided with a connecting part, the connecting part and the framework are integrally formed, the connecting part comprises a rectangular bulge, clamping edges extend from the top of the rectangular bulge to two sides, the center of the disk cover is provided with a positioning hole, and the disk cover is sleeved on the connecting part through the positioning hole and covers the back of the sucker body; the horizontal limiting supporting point is close to one side of the hook and is provided with a limiting groove, and the height and the width of the limiting groove are matched with those of the clamping edge.

Preferably, longitudinal limiting supporting points are symmetrically arranged in the bearing piece up and down, at least one group of longitudinal limiting supporting points is arranged, and inclined chamfer angles are reserved on one sides, far away from the hook, of the transverse limiting supporting points and the longitudinal limiting supporting points.

Preferably, follow the protruding through-hole that transversely is equipped with of rectangle, through-hole extension direction and joint are along parallel, follow the protruding blind hole that vertically is equipped with of rectangle, follow the joint is equipped with the slope along the top edge.

Preferably, the width of the hook is 0.5-2cm.

Preferably, the edge of the framework is uniformly divided into a plurality of pressing sheets, each pressing sheet is provided with at least one closed hole, and the closed holes are in a straight line shape or an arc shape; a separation seam is arranged between two adjacent pressing sheets, strip-shaped seams are radially arranged around the connecting part, a gap is reserved between each separation seam and each strip-shaped seam, each separation seam is in a straight shape or an arc shape, and each strip-shaped seam is in a straight shape; the framework is also provided with a plurality of first bulges in annular array, and the first bulges are arranged at the side close to the edge of the framework.

Preferably, the disc cover comprises a positioning boss, a first pressing plate part and a second pressing plate part, the positioning boss, the first pressing plate part and the second pressing plate part are integrally formed, the positioning boss is arranged at the center of the disc cover, the positioning boss protrudes out of the first pressing plate part, the first pressing plate part is higher than the second pressing plate part, the width of the cross section of the second pressing plate part is larger than that of the first pressing plate part, and the height of the second pressing plate part is gradually reduced from the position close to the first pressing plate part to the position far away from the first pressing plate part; the positioning boss is provided with a positioning hole, the inner side of the disk cover is provided with a plurality of second bulges in annular array, the second bulges are positioned at the inner side edge of the second pressing plate part, and the first bulges are positioned at the inner side of the second bulges.

Preferably, a plurality of annular arrays of long holes are provided on the disk cover, each long hole is provided on both the first pressure plate portion and the second pressure plate portion, and the size of the long hole portion provided on the second pressure plate portion is larger than the size of the long hole portion provided on the first pressure plate portion.

Preferably, the disc cover further comprises a third pressing plate portion, the third pressing plate portion and the second pressing plate portion are integrally formed, the third pressing plate portion protrudes out of the outer edge of the second pressing plate portion, the third pressing plate portion is of an annular plane structure in a natural state, and the third pressing plate portion protrudes out of the outer edge of the disc body.

Preferably, the positioning boss is circular, is annular plane structure when first pressure plate portion natural state, is annular cambered surface structure or annular conical surface structure when second pressure plate portion natural state, the linking department of first pressure plate portion and second pressure plate portion forms first turn line, and the linking department of second pressure plate portion and third pressure plate portion forms the second turn line.

Preferably, the lower end of the bearing piece is provided with an outer edge, and the outer edge is sleeved on the outer side of the positioning boss.

Preferably, a plurality of annular array concave parts are arranged on the back side of the disc body, and the concave parts are arranged on the edge side of the disc body.

Preferably, the inner wall of the tray body is substantially conical, and the inner wall of the framework is substantially conical.

Among the above-mentioned technical scheme, couple and the coupling member integrated into one piece that moulds plastics, couple link to each other with connecting portion through the coupling member, connecting portion and skeleton integrated into one piece, and the disk body cladding is connected the realization sucking disc and is connected with the couple through coupling member and connecting portion on the skeleton. Connecting portion are the rectangle arch, and the inside edge symmetry of receiving is equipped with horizontal spacing strong point and vertical spacing strong point, makes the joint mouth shape of receiving the intermediate position the same with the protruding shape size of rectangle, and when the protruding inserting of rectangle was received, spacing muscle was fixed the position of connecting portion. All stretch out the joint edge to both sides at the protruding top of rectangle, horizontal spacing strong point is close to couple one side spacing groove, the degree of depth and the degree of width cooperation on joint edge of spacing groove, when the rectangle arch inserted the receiving piece gradually, two joints took place the extrusion along with spacing muscle, and then the joint is along taking place elastic deformation, increase until spacing muscle spacing groove department space, the joint is along resumeing elastic deformation, the joint is on the spacing groove, because the distance between the spacing muscle of bisymmetry is less than the distance between two joints edges, consequently the joint is at the spacing inslot along the joint, the joint is along forming spacing of each other with spacing muscle, can not drop each other. The protruding setting of rectangle is for having through-hole and blind hole, forms hollow structure, can insert when the receiving gradually at the rectangle arch, provides the space of shrink for two joints along the elastic deformation that produces, and the joint all is equipped with the inclined plane chamfer along being equipped with slope and spacing muscle for the convenient and fast's of direction connecting portion inserts the receiving. Through the joint structure of the bearing piece and the connecting part, the hook is connected with the sucker instead of being directly connected with the sucker, so that the contact area of the connecting position is increased, and when articles with the same weight are hung, the stress of the unit area is reduced. And because the connecting part and the framework are integrally formed, the framework disperses the gravity of the articles borne by the connecting part to the whole tray body, and the bearing capacity of the hook is further increased. This simple and easy sucking disc couple adsorbs through the sucking disc and fixes at the base face, and the couple links together with the sucking disc joint, and overall structure is simple, fixed convenient and fast, and the reliability is high. The width of the hook is set to be 0.5cm-2cm, preferably 0.7cm or 1.6cm, the hook is suitable for the requirements of different hung articles on the width of the hook, and the application range of the hook is wider.

Drawings

FIG. 1 is a perspective view of the simple sucker hook;

FIG. 2 is a schematic view of the simple sucker hook in an exploded perspective configuration;

FIG. 3 is a rear view of the receiving member;

FIG. 4 is a schematic view of a suction cup of the simple suction cup hook;

FIG. 5 is a perspective view of the present chuck in an exploded state;

FIG. 6 is a schematic view of the bottom structure of the cover of the simple sucker hook;

FIG. 7 is a schematic perspective view of the skeleton;

FIG. 8 is a schematic view of a skeleton in a cross-section;

fig. 9 is a perspective view of a second embodiment of the simple sucker hook.

In the figure, 1 is a hook; 2, sucking discs; 3, a bearing piece; 301, a boss; 302 laterally limiting the support points; 303 longitudinal limit supporting points; 304 a limiting groove; 305 chamfering an inclined plane; a 306 card interface; 4, a connecting part; 401, clamping edges; 402 a blind hole; 403 through holes; 404 a ramp; 405 a rectangular protrusion; 5, covering the disc; 501 a second turning line; 502 a third platen portion; 503 positioning a boss; a long hole 504; 505 a first polyline; 506 a second platen portion; 507, positioning holes; 508 a first platen portion; 509 second projection; 6, a tray body; 601 a recessed portion; 7, a framework; 701 a first projection; 702 separating the seams; 703 tabletting; 704 closing the hole; 705 a strip slit.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 9, the simple sucker hook comprises a hook 1, a sucker 2 and a socket 3, wherein the hook 1 and the socket 3 are integrally formed by injection molding. The sucker 2 comprises a sucker cover 5, a sucker body 6 and a framework 7. The disc body 6 is coated on the framework 7, the framework 7 is provided with a connecting part 4 which protrudes out of the disc body 6, the center of the disc cover 5 is provided with a positioning hole 507, the disc cover 5 is sleeved on the connecting part 4 through the positioning hole 507 and covers the back of the disc body 6, the connecting part 4 and the framework 7 are integrally formed, and the connecting part 4 is connected with the bearing piece 3 in a clamping mode. In a preferred embodiment, the connecting portion 4 includes a rectangular protrusion 405, clamping edges 401 extend from the top of the rectangular protrusion 405 to both sides, a slope 404 is provided along the top edges of the two clamping edges 401, and the clamping edges 401 gradually decrease from the side near the rectangular protrusion 405 to the side far from the rectangular protrusion 405. Four transverse limiting supporting points 302 and two longitudinal limiting supporting points 303 are arranged inside the bearing piece 3, the longitudinal limiting supporting points 303 are symmetrically distributed up and down inside the bearing piece 3, the transverse limiting supporting points 302 are symmetrically distributed left and right inside the bearing piece 3, and the clamping ports 306 limited in the middle of the bearing piece 3 by the transverse limiting supporting points 302 and the longitudinal limiting supporting points 303 are the same as the connecting portions 4 in shape and size. A limiting groove 304 is formed in one side, close to the hook, of the transverse limiting supporting point 302, the height and the width of the limiting groove 304 are matched with those of the two clamping edges 401, and an inclined chamfer 305 is formed in one side, far away from the hook, of the transverse limiting supporting point 302 and the longitudinal limiting supporting point 303. The rectangular projection 405 is gradually inserted into the socket 3 from the card interface 306 under the guiding action of the slope 404 and the bevel chamfer 305. When the rectangular bulge 405 is gradually inserted into the bearing piece 3, the two clamping joints are extruded along 401 and the transverse limiting supporting point 302 to enable the two clamping joints to be elastically deformed along 401, then the two clamping joints reach the limiting groove 304 along 401 to recover elastic deformation, the two clamping joints are clamped on the limiting groove 304 along 401, the width between the transverse limiting supporting points 302 is smaller than the width of the two clamping joints along 401, the transverse limiting supporting point 302 and the two clamping joints are mutually limited along 401, the transverse limiting supporting point 302 and the longitudinal limiting supporting point 303 limit and fix the position of the rectangular bulge 405, the rectangular bulge 405 cannot fall off from the clamping joint 306, the bearing piece 3 is sleeved with the connecting part 4, the stress area of the connecting part is increased, and the reliability is high. The joint interface 306 of the bearing piece 3 is sleeved on the connecting part 4, and then the pressure in the vertical direction is applied to the bearing piece 3, so that the reliable connection between the bearing piece 3 and the connecting part 4 is realized, and the operation is simple and rapid. In a preferred embodiment, the width of the hook 1 is set to 0.5cm to 2cm, preferably 1.6cm and 0.7cm.

In a preferred embodiment, transversely be equipped with through-hole 403 along the protruding 405 center of rectangle, and through-hole 403 extension direction is parallel with joint along 401, vertically is equipped with blind hole 402 along the protruding 405 center of rectangle simultaneously, and through-hole 403 and blind hole 402 cooperate and make two joints take place to extrude each other along 401 and horizontal spacing strong point 302, and the joint is along 401 flexibility bigger, changes to take place elastic deformation, and the joint is changed along 401 and is drawn close to the protruding 405 center of rectangle to make bolster 3 can be connected with connecting portion 4 more laborsaving, convenient.

In one embodiment, the disc cover 5 includes a positioning boss 503, a first pressing plate portion 508 and a second pressing plate portion 506, the positioning boss 503, the first pressing plate portion 508 and the second pressing plate portion 506 are integrally formed, the positioning boss 503 is disposed at the center of the disc cover 5, a positioning hole 507 is disposed on the positioning boss 503, the disc cover 5 is fixed on the framework 7 through a positioning hole 057, the positioning boss 503 is circular, the outer side of the positioning boss is sequentially engaged with the first pressing plate portion 508 and the second pressing plate portion 506 from inside to outside, and the positioning boss 503 protrudes out of the first pressing plate portion 508, so that a two-stage plane height difference is formed, and a two-stage rebound tendency is formed between the positioning boss 503 and the first pressing plate portion 508. The first pressure plate part is higher than the second pressure plate part, a first turning line 505 is formed at the joint of the first pressure plate part 508 and the second pressure plate part 506, so that a two-stage resilience trend is formed between the first pressure plate part 508 and the second pressure plate part 506, the two-stage resilience trend formed between the positioning boss 503 and the first pressure plate part 508 and the annular plane structure of the first pressure plate part 508 are matched, the first pressure plate part 508 can be recessed easily, the effect of multi-stage energy storage resilience is achieved, the resilience of the disc cover is further increased, and meanwhile the air evacuation time of the center of the disc body is further prolonged. In this embodiment, the cross sectional width of second pressure plate portion 506 is greater than the cross sectional width of first pressure plate portion 508, second pressure plate portion 506 height is reduced gradually to far away first pressure plate portion by nearly first pressure plate portion, because the dish cover 5 is installed and is used at the 3 dorsal sides of sucking disc, the far away first pressure plate portion side of second pressure plate portion 506 just corresponds the position that the sucking disc disk body was laminated with the base face gradually, consequently, after dish cover 5 received decurrent pressing force, the area of contact of second pressure plate portion to the disk body is bigger, the reverse resilience force of second pressure plate portion to the disk body weakens, consequently, the disk body also is difficult for leading to the perk because of the resilience force of second pressure plate portion. Further, be equipped with the slot hole 504 of a plurality of annular array on dish cover 5, every slot hole 504 all sets up simultaneously on first pressure board portion 508 and second pressure board portion 506, the slot hole partial dimension that sets up on second pressure board portion 506 is greater than the slot hole partial dimension that sets up on first pressure board portion 508, this indent deformation power and the balanced adjustment of resilience deformation power that more does benefit to first pressure board portion 508 and second pressure board portion 506, further weakened dish cover 5 to the near edge's of disk body reverse resilience force, the resilience force of avoiding second pressure board portion 506 leads to the perk, the resilience force is more suitable. Furthermore, the edge of the tray body 6 protrudes out of the outer edge of the second pressure plate portion 506, and a plurality of annular array second protrusions 509 are further arranged on the inner side of the tray cover, and the second protrusions 509 are arranged on the edge of the inner side of the second pressure plate portion 506, so that the downward pressure of the second protrusions 509 does not directly act on the edge of the tray body 6, but after air in the tray body is exhausted through multi-stage downward pressure, the tray body 6 is pressed close to the position gradually attached to the base surface and is in contact with the back side of the tray body to provide uniform and continuous downward pressure for the tray body, therefore, the air exhausting degree of the tray body is higher, the vacuum degree is higher, and the adsorption force is stronger.

In a preferred embodiment, the disc cover 5 further includes a third pressing plate portion 502, the second pressing plate portion 506 and the third pressing plate portion 502 are integrally formed, the third pressing plate portion 502 is connected to the outer edge of the second pressing plate portion 506 to form a second turning line 501, and the third pressing plate portion 502 is in a ring-shaped plane structure in a natural state, which is not in a conventional arc or bowl-shaped structure, so that the third pressing plate portion 502 is not easy to apply pressure to the edge of the disc body. In this embodiment, the third pressing plate portion 502 protrudes from the outer edge of the disc body 6, and the third pressing plate portion 502 protruding from the outer edge of the disc body 6 can effectively prevent the edge of the disc body 6 from warping due to external force collision, so that the fixing reliability of the suction cup is greatly improved. In a preferred embodiment, the first pressing plate portion 508 is in a natural state with an annular flat structure, and the second pressing plate portion 506 is in a natural state with an annular arc structure or an annular conical structure, so that the height of the second pressing plate portion 506 gradually decreases from the position near the first pressing plate portion to the position far from the first pressing plate portion, and a downward force and a rebound force are provided to gradually contact with the disc body.

In a preferred embodiment, the simple sucker hook receiver 3 is further provided with a boss 301, and the boss 301 covers the positioning boss 503, so that the simple sucker hook has a more uniform and beautiful overall structure. Meanwhile, the stress area of the connecting position of the bearing piece 3 and the sucker 2 is further increased.

In a preferred embodiment, the edge of the frame 7 is divided into a plurality of pressing sheets 703, a separation slit 702 is provided between two adjacent pressing sheets 703, and a plurality of closed holes 704 in an annular array are provided on the side of the frame 7 near the outer edge. Each parting line 702 is the arc of same radian, and is whole evenly draw one for when skeleton 7 is pushed down, preforming 703 is also pushed down and produces a rotation trend along the arc line simultaneously, compresses the disk body of parcel outside the skeleton with rotatory expansion, makes skeleton and disk body more stretch out, and is inseparabler with the laminating of base plane, and the vacuum cavity that forms after the inside outside gas of getting rid of disk body 6 is sealed better, finally makes the sucking disc more difficult for droing, pushes down simultaneously to warp to the skeleton and provides the space. The closed hole 704 enables the disc body to longitudinally penetrate through the closed hole and to be wrapped and fixed on the framework when the framework is wrapped, each side wall of the closed hole 704 plays a radial blocking role for the disc body close to the outer edge side of the framework, and the disc body is prevented from being separated from the outer edge of the framework or displacing by matching with the axial blocking role of the pressing sheet. The arcuate or straight closed holes 704 further extend the radial barrier area and barrier effect. And each pressing sheet is provided with at least one closed hole, so that each pressing sheet 703 can be fully ensured to have the radial blocking effect, and the disc body coated on each pressing sheet 703 cannot be displaced from the edge of the framework. In this embodiment, a plurality of first protrusions 701 in an annular array are further disposed on the framework 7, and the first protrusions 701 are disposed near the edge side of the framework, and the first protrusions 701 expose the disk body 6 to contact with the disk cover 5 after being encapsulated, so as to bear the downward pressing force of the disk cover and transmit the downward pressing force to the framework, so that the framework is better pressed down.

In one embodiment, a plurality of strip slits 705 are radially formed around the connecting portion 4, and a space is provided between the separation slit 702 and the strip slits 705. The strip-shaped slits 705 are in a straight line shape, and a first protrusion is arranged between every two adjacent strip-shaped slits, and the first protrusions correspond to the closed holes and the separating slits in quantity one to one. Therefore, the defect that the supporting force and the resilience force of the framework are too small due to the fact that the root of the tabletting is too narrow and the stress and the force transmission are weak due to the fact that the tabletting is divided from the center of the framework is overcome.

In a preferred embodiment, a plurality of annular arrays of depressions 601 are provided on the back side of the tray body 6, the depressions 601 are provided near the edge side of the tray body, are circular in cross section, are spherical in bottom, and open to the back side of the frame 2. And a plurality of external supporting points in an annular array are arranged on the back side of the framework when the injection molding of the disk body is facilitated. Therefore, when the disk body is injected from the inner side of the framework, the most easily deformed edge of the framework 7 can be uniformly supported by the supporting points in the annular array, and the phenomenon that the thickness of the disk body on the inner side and the back side of the framework is inconsistent due to deformation of the framework 7 caused by injection pressure is avoided. Furthermore, first protrusion 701 is arranged on the inner side of recess 11, so that when the tray body is molded by the inner side of the framework, first protrusion 701 can also play a certain role of supporting the framework, the supporting points of the framework are further uniform and dispersed, and the thickness of the tray body is more uniform.

Among the above-mentioned technical scheme, the joint mouth 306 of the receiving piece 3 that will mould plastics integrated into one piece with couple 1 cup joints on connecting portion 4, apply the pressure of vertical direction to receiving piece 3, make the protruding 405 of rectangle insert joint mouth 306, two joints are followed 401 joints on spacing groove 304 afterwards, realize the reliable connection of receiving piece 3 and connecting portion 4, couple 1 links together with sucking disc 2 promptly, use the joint structure of receiving piece 3 and connecting portion 4, increase couple 1 and sucking disc 2's hookup location's lifting surface area, increase hookup location's bearing capacity, and is simple in operation, and is fast. The dish cover 3 is concave easily under the action of multi-level plane height difference and the long holes, so that the dish cover and the framework are concave and deformed, the emptying time of the dish body is prolonged, and air in the dish body is exhausted completely. The disk cover rebounds under the action of multistage energy storage rebounding and the deformation force of the framework, the bottoms of the framework and the disk body are pulled upwards to form a vacuum cavity, vacuum is generated between the central portion of the bottom surface of the disk body 6 and the base surface, the bottom surface of the disk body 6 is adsorbed on the base surface under the action of internal and external pressure difference, after the downward pressure is withdrawn, the second protrusions provide even and continuous downward pressure for the disk body, the phenomenon that the edge of the disk body is warped due to the fact that the sucker collides under the action of external force is further avoided, and the fixing reliability of the sucker is greatly improved.

The embodiment is only for the illustration of the concept and implementation of the present invention, and is not limited thereto, and the technical solution without substantial transformation is still within the protection scope under the concept of the present invention.

Claims (12)

1. A simple sucker hook comprises a sucker, a bearing piece and a hook, wherein the sucker comprises a sucker body, a framework and a disk cover, the sucker body is coated on the framework, the framework is provided with a connecting part, the connecting part and the framework are integrally formed, the connecting part comprises a rectangular bulge, clamping edges extend from the top of the rectangular bulge to two sides, the center of the disk cover is provided with a positioning hole, and the disk cover is sleeved on the connecting part through the positioning hole and covers the back of the sucker body; the horizontal limiting supporting point is close to one side of the hook and is provided with a limiting groove, and the height and the width of the limiting groove are matched with those of the clamping edge.

2. The simple sucker hook as claimed in claim 1, wherein the inside of the receiving member is provided with at least one set of longitudinal position-limiting support points symmetrically up and down, and the sides of the transverse position-limiting support points and the longitudinal position-limiting support points away from the hook are provided with bevel chamfers.

3. A simple suction cup hook as claimed in claim 1, wherein a through hole is provided along the rectangular protrusion in the transverse direction, the extension direction of the through hole is parallel to the clamping edge, a blind hole is provided along the rectangular protrusion in the longitudinal direction, and a slope is provided along the clamping edge.

4. A simple suction cup hanger as in claim 1 wherein the width of the hanger is 0.5-2cm.

5. The simple sucker hook according to claim 1, wherein the edge of the framework is evenly divided into a plurality of pressing sheets, each pressing sheet is provided with at least one closed hole, and the closed holes are in a straight shape or an arc shape; a separation seam is arranged between two adjacent pressing sheets, strip-shaped seams are radially arranged around the connecting part, a gap is reserved between each separation seam and each strip-shaped seam, each separation seam is in a straight shape or an arc shape, and each strip-shaped seam is in a straight shape; the framework is also provided with a plurality of first bulges in annular array, and the first bulges are arranged at the side close to the edge of the framework.

6. The simple sucker hook as claimed in claim 1, wherein the cover comprises a positioning boss, a first pressing plate portion and a second pressing plate portion, the positioning boss, the first pressing plate portion and the second pressing plate portion are integrally formed, the positioning boss is arranged in the center of the cover, the positioning boss protrudes out of the first pressing plate portion, the first pressing plate portion is higher than the second pressing plate portion, the cross-sectional width of the second pressing plate portion is larger than that of the first pressing plate portion, and the height of the second pressing plate portion is gradually reduced from the position close to the first pressing plate portion to the position far away from the first pressing plate portion; the positioning boss is provided with a positioning hole, the inner side of the disc cover is provided with a plurality of second bulges in annular array, the second bulges are positioned on the inner side edge of the second pressing plate part, and the first bulges are positioned on the inner side of the second bulges.

7. The simple suction cup hanger as set forth in claim 6, wherein a plurality of elongated holes are formed in the cup cover in an annular array, each elongated hole is formed in both the first pressure plate portion and the second pressure plate portion, and a portion of the elongated hole formed in the second pressure plate portion has a size larger than that of the elongated hole formed in the first pressure plate portion.

8. The simple suction cup hanger as set forth in claim 6 wherein the cup cover further comprises a third pressure plate portion integrally formed with the second pressure plate portion, the third pressure plate portion projecting beyond the outer edge of the second pressure plate portion, the third pressure plate portion having a natural annular planar configuration, the third pressure plate portion projecting beyond the outer edge of the cup body.

9. The simple sucker hook as claimed in claim 8, wherein the positioning protrusion is circular, the first pressing plate portion is of an annular flat structure in a natural state, the second pressing plate portion is of an annular arc structure or an annular tapered structure in a natural state, a first turning line is formed at a joint of the first pressing plate portion and the second pressing plate portion, and a second turning line is formed at a joint of the second pressing plate portion and the third pressing plate portion.

10. The simple sucker hook as defined in claim 1, wherein the lower end of the receiving member has an outer edge, and the outer edge is disposed on the outer side of the positioning boss.

11. The simple suction cup hanger set forth in claim 1 wherein a plurality of annular arrays of depressions are provided in the back side of said tray body, said depressions being disposed near the edge side of the tray body.

12. The simple suction cup hanger set forth in claim 1 wherein said tray body interior wall is substantially conical and said skeleton interior wall is substantially conical.

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