Sucker body
By designing structures such as outer chamfering surface, bowl-shaped trays, mounting brackets and air guide grooves in the suction cup body, the problems of poor supportability and insufficient negative pressure environment in the traditional suction cup are solved, and stronger adsorption force and stability are achieved.
Patent Information
- Application Number
- CN202422221352.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-10
AI Technical Summary
Traditional suction cups have thin thickness and poor support, making it difficult to establish a sufficient negative pressure environment, affecting the adsorption strength and stability of suction cups.
A suction cup body is designed, including a disk body, an outer chamfering surface, a bowl-shaped plate mouth, a mounting bracket and an air guide groove. The outer chamfered surface cooperates with the bowl-shaped plate to increase the softness. The mounting bracket is connected as an embedded part when injection molding or glueing. The air guide groove collects air and water vapor to form a suitable negative pressure environment.
The support performance and sealing effect of the suction cup are improved, the adsorption strength and stability are enhanced, and deformation caused by the fixing object against the disc body is avoided.
Smart Images
Figure CN223049220U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of suction cups, and particularly relates to a suction cup body. Background Art
[0002] The suction cup is fixed on the surface of the adsorbed object through adsorption, and is widely used as the core fixing component for fixing various items; the traditional suction cup is relatively thin, and the supportability from the center to the outer edge of the disc body is poor when stressed. At the same time, due to the poor support rigidity, it is difficult to establish a sufficient negative pressure environment between the disc opening and the surface of the adsorbed object, affecting the overall adsorption strength and stability of the suction cup. Summary of the Utility Model
[0003] Based on the above problems, the purpose of the utility model is to provide a suction cup body with reliable structure, which can be directly integrally formed during injection molding or injection gluing, and has strong adsorption and reliable support.
[0004] In view of the above problems, the following technical solution is provided: a suction cup body, including a disc body, a disc opening is provided at the bottom of the disc body, an outer chamfered surface is provided at the junction of the top and the side wall of the disc body, the disc opening is concave in a bowl shape so that the wall thickness near the outer edge gradually thins; an installation bracket is provided at the top of the disc body, the installation bracket is provided with an outwardly convex installation surface, and the installation surface is provided with installation holes. The installation bracket is embedded in the disc body and its installation surface is exposed outside the disc body.
[0005] In the above structure, the outer chamfered surface cooperates with the bowl-shaped disc opening to increase the softness near the outer edge of the disc opening, improving the support performance while ensuring the sealing and fitting effect; the installation bracket is connected to the disc body as a pre-embedded part during injection molding or injection gluing of the disc body, ensuring the connection strength and stability; when connecting with the object to be fixed, the installation holes abut against the object to be fixed through the installation surface, ensuring the firmness of the installation between the object to be fixed and the disc body, and preventing the disc body from being deformed due to the abutment between the object to be fixed and the disc body. The installation bracket is made of plastic or metal.
[0006] The utility model is further provided that a flat area is provided at the center of the disc opening, a first transition surface and a second transition surface are sequentially arranged from the outer edge of the flat area towards the outer edge of the disc opening, and the angle between the first transition surface and the outer chamfered surface is greater than the angle between the second transition surface and the outer chamfered surface.
[0007] In the above structure, the thickness between the outer edge of the disc opening and the second transition surface gradually increases while the thickness between the first transition surface and the flat area gradually increases, and the increase amplitude of the latter is greater than that of the former, forming a support area between the outer edge of the disc opening and the second transition surface (mainly responsible for fitting and sealing, partial support and negative pressure area) and a support area between the first transition surface and the flat area (mainly responsible for support and establishing the negative pressure area).
[0008] The utility model is further configured such that a radial air guide groove is provided on the inner wall of the socket, which is opened from the center of the socket towards a position close to the outer edge of the socket; a circumferential air guide groove is also provided on the inner wall of the socket, which is concentric with the center of the socket, opened along its circumferential direction and connected to each radial air guide groove.
[0009] In the above structure, residual air, water vapor, etc. are collected during adsorption.
[0010] The utility model is further configured such that the circumferential air guide groove is opened at the junction of the flat area and the first transition surface and at the junction of the first transition surface and the second transition surface.
[0011] In the above structure, there will be gaps between the surface of the adsorbed object and the junctions of the flat area and the first transition surface and the first transition surface and the second transition surface after the suction cup adsorbs, providing a good environment for the opening of the circumferential air guide groove.
[0012] The utility model is further configured such that the disc body is further provided with a pressure relief hole located within the socket, penetrating through its bottom and top; or a plug hole with an inner diameter larger than that of the pressure relief hole is provided at one end of the pressure relief hole facing the socket.
[0013] In the above structure, the pressure relief hole is connected to a pressure relief valve, and the pressure inside the socket can be balanced with the outside through the pressure relief hole to achieve the disassembly of the suction cup; when a plug hole is provided, the end face at the junction of the plug hole and the pressure relief hole can be adapted to the plug to control pressure relief.
[0014] The utility model is further configured such that one end of the pressure relief hole facing the inside of the socket is opened through the radial air guide groove and / or the circumferential air guide groove.
[0015] In the above structure, the connection between the pressure relief hole and the radial air guide groove and / or the circumferential air guide groove is conducive to quickly distributing air throughout the socket, preventing the suction cup from being difficult to remove due to local negative pressure areas existing between the inner wall of the socket and the surface of the adsorbed object.
[0016] The utility model is further configured such that a sealing ring is provided on one side of the outer edge of the socket facing away from the top of the disc body, and when there are multiple sealing rings, they are offset from each other.
[0017] In the above structure, multiple sealing rings can be provided to improve the airtightness with the surface of the adsorbed object.
[0018] The utility model is further configured such that a pulling ear is provided at the side wall position of the outer edge of the socket.
[0019] In the above structure, after adsorption, the outer edge of the socket can be lifted through the pulling ear to allow air to enter the socket, thereby removing the suction cup.
[0020] The utility model is further configured such that there are a plurality of mounting holes, which are arranged at intervals along the circumferential direction of the disc body.
[0021] In the above structure, it is beneficial to improve the connection stability between the disc body and the object to be fixed.
[0022] The present utility model is further configured such that a nut groove is provided on the surface of the mounting bracket facing the disc opening, a nut is provided in the nut groove, and the internal thread of the nut is concentric with the mounting hole.
[0023] In the above structure, the object to be fixed is fixed by screwing a screw through the mounting hole and the nut.
[0024] The beneficial effects of the present utility model are as follows: The outer chamfered surface cooperates with the bowl-shaped disc opening, increasing its softness near the outer edge of the disc opening, improving its support performance while ensuring the sealing and fitting effect; the mounting bracket is connected to the disc body as a pre-embedded part during the injection molding or injection of the disc body, ensuring the connection strength and stability; when connecting with the object to be fixed, the mounting hole abuts against the object to be fixed through the mounting surface, ensuring the firmness of the installation between the object to be fixed and the disc body, and preventing the disc body from deforming due to the object to be fixed abutting against the disc body. The mounting bracket is made of plastic or metal. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 is a schematic perspective view of the overall three-dimensional structure of the present utility model.
[0026] Figure 2 is a schematic perspective view of the fully-sectioned three-dimensional structure of the present utility model.
[0027] Figure 3 is a schematic perspective view of the first exploded three-dimensional structure of the present utility model.
[0028] Figure 4 is a schematic perspective view of the second exploded three-dimensional structure of the present utility model.
[0029] The meanings of the reference numerals in the figures are as follows: 10 - disc body; 11 - disc opening; 111 - flat area; 112 - first transition surface; 113 - second transition surface; 114 - radial air guide groove; 115 - circumferential air guide groove; 116 - sealing ring; 117 - lug; 12 - outer chamfered surface; 13 - pressure relief hole; 131 - plug hole; 15 - mounting bracket; 151 - mounting surface; 152 - mounting hole; 153 - nut groove; 154 - nut. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0030] The following further describes in detail the specific embodiments of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model but are not intended to limit the scope of the present utility model.
[0031] Refer to Figures 1 to 4 and, as Figures 1 to 4A suction cup body shown includes a disc body 10. A disc opening 11 is provided at the bottom of the disc body 10. An outer chamfered surface 12 is provided at the junction of the top and the side wall of the disc body 10. The disc opening 11 is concave in a bowl shape so that the wall thickness near the outer edge gradually thins. An installation bracket 15 is provided at the top of the disc body 10. The installation bracket 15 has a convex installation surface 151. An installation hole 152 is provided on the installation surface 151. The installation bracket 15 is embedded in the disc body 10 and its installation surface 151 is exposed outside the disc body 10.
[0032] In the above structure, the outer chamfered surface 12 cooperates with the bowl-shaped disc opening 11 to increase the softness near the outer edge of the disc opening 11, improving its support performance while ensuring the sealing and fitting effect. The installation bracket 15 is connected to the disc body 10 as a pre-embedded part during the injection molding or injection of the disc body 10, ensuring the connection strength and stability. When connecting with the object to be fixed, the installation hole 152 abuts against the object to be fixed through the installation surface 151, ensuring the firmness of the installation between the object to be fixed and the disc body 10 and preventing the disc body 10 from deforming due to the object to be fixed abutting against the disc body 10. The installation bracket 15 is made of plastic or metal.
[0033] In this embodiment, a flat area 111 is provided at the center of the disc opening 11. A first transition surface 112 and a second transition surface 113 are successively provided from the outer edge of the flat area 111 towards the outer edge of the disc opening 11. The included angle a1 between the first transition surface 112 and the outer chamfered surface 12 is greater than the included angle a2 between the second transition surface 113 and the outer chamfered surface 12.
[0034] In the above structure, while the thickness between the outer edge of the disc opening 11 and the second transition surface 113 gradually increases, the thickness between the first transition surface 112 and the flat area 111 also gradually increases, and the increase amplitude of the latter is greater than that of the former, forming a support area between the outer edge of the disc opening 11 and the second transition surface 113 (mainly responsible for fitting and sealing, partial support and negative pressure area) and a support area between the first transition surface 112 and the flat area 111 (mainly responsible for support and establishing the negative pressure area).
[0035] In this embodiment, a radial air guide groove 114 is provided on the inner wall of the disc opening 11, which is opened from the center of the disc opening 11 towards the position near the outer edge of the disc opening 11. A circumferential air guide groove 115 is also provided on the inner wall of the disc opening 11, which is concentric with the center of the disc opening 11, opened along its circumferential direction and connected to each radial air guide groove 114.
[0036] In the above structure, during adsorption, residual air, water vapor, etc. are collected.
[0037] In this embodiment, the circumferential air guide groove 115 is opened at the junction of the flat area 111 and the first transition surface 112 and at the junction of the first transition surface 112 and the second transition surface 113.
[0038] In the above structure, there will be gaps between the junction of the planar area 111 and the first transition surface 112 and the junction of the first transition surface 112 and the second transition surface 113 with the surface of the object to be adsorbed after the sucker adsorbs, providing a good environment for the opening of the circumferential air guide groove 115.
[0039] In this embodiment, the disc body 10 is further provided with a pressure relief hole 13 located in the disc opening 11 and penetrating through its bottom and top; or a plug hole 131 with an inner diameter larger than that of the pressure relief hole 13 is provided at one end of the pressure relief hole 13 facing the disc opening 11.
[0040] In the above structure, the pressure relief hole 13 is connected to a pressure relief valve (not shown in the figure), and the pressure inside the disc opening 11 can be balanced with the outside through the pressure relief hole 13 to realize the disassembly of the sucker; when the plug hole 131 is provided, the end face at the junction of the plug hole 131 and the pressure relief hole 13 can be adapted to a plug (not shown in the figure) to control the pressure relief.
[0041] In this embodiment, one end of the pressure relief hole 13 facing the inside of the disc opening 11 is opened through the radial air guide groove 114 and / or the circumferential air guide groove 115.
[0042] In the above structure, the connection between the pressure relief hole 13 and the radial air guide groove 114 and / or the circumferential air guide groove 115 is beneficial to quickly distribute air throughout the disc opening 11, avoiding the difficulty of detaching the sucker due to the existence of local negative pressure parts between the inner wall of the disc opening 11 and the surface of the object to be adsorbed.
[0043] In this embodiment, a sealing ring 116 is provided on the surface of the outer edge of the disc opening 11 facing away from the top of the disc body 10, and when there are multiple sealing rings 116, they are offset from each other.
[0044] In the above structure, multiple sealing rings 116 can be provided to improve the airtightness with the surface of the object to be adsorbed.
[0045] In this embodiment, a pulling ear 117 is provided at the side wall position of the outer edge of the disc opening 11.
[0046] In the above structure, after adsorption, the outer edge of the disc opening 11 can be lifted through the pulling ear 117 to allow air to enter the disc opening 11 to detach the sucker.
[0047] In this embodiment, there are several mounting holes 152, which are arranged at intervals along the circumferential direction of the disc body 10.
[0048] In the above structure, it is beneficial to improve the connection stability between the disc body 10 and the object to be fixed.
[0049] In this embodiment, a nut groove 153 is provided on the surface of the mounting bracket 15 facing the disc opening 11, a nut 154 is provided in the nut groove 153, and the internal thread of the nut 154 is concentric with the mounting hole 152.
[0050] In the above structure, the object to be fixed is screwed and fixed with the nut 154 through a screw (not shown in the figure) passing through the mounting hole 152.
[0051] The beneficial effects of the present utility model are as follows: The outer chamfered surface 12 cooperates with the bowl-shaped disk opening 11, increasing the softness near the outer edge of the disk opening 11, and improving its support performance while ensuring the sealing and fitting effect; The mounting bracket 15 is connected to the disk body 10 as an embedded part during the injection molding or injection of the disk body 10, ensuring the connection strength and stability; When the mounting hole 152 is connected to the object to be fixed, it abuts against the object to be fixed through the mounting surface 151, ensuring the firmness of the installation between the object to be fixed and the disk body 10, and preventing the object to be fixed from abutting against the disk body 10 and causing deformation of the disk body 10. The mounting bracket 15 is made of plastic or metal.
[0052] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present utility model, several improvements and modifications can be made. These improvements and modifications made under the above assumptions should also be regarded as the protection scope of the present utility model.
Claims
1. A suction cup body, comprising a cup body (10), wherein a cup opening (11) is provided at the bottom of the cup body (10), wherein: An outer chamfered surface (12) is provided at the junction of the top of the disk body (10) and the side wall; the disk opening (11) is concave in a bowl shape so that the wall thickness gradually decreases near the outer edge; a mounting bracket (15) is provided at the top of the disk body (10); the mounting bracket (15) is provided with an outwardly convex mounting surface (151); the mounting surface (151) is provided with a mounting hole (152); the mounting bracket (15) is embedded in the disk body (10) and its mounting surface (151) is exposed on the disk body (10).
2. A suction cup body according to claim 1, characterized in that: A plane area (111) is provided at the center of the plate mouth (11), and a first transition surface (112) and a second transition surface (113) are provided in sequence from the outer edge of the plane area (111) toward the outer edge of the plate mouth (11), and the angle between the first transition surface (112) and the outer chamfered surface (12) is greater than the angle between the second transition surface (113) and the outer chamfered surface (12).
3. A suction cup body according to claim 2, characterized in that: The inner wall of the plate opening (11) is provided with radial air guide grooves (114) extending from the center of the plate opening (11) to a position close to the outer edge of the plate opening (11); the inner wall of the plate opening (11) is also provided with circumferential air guide grooves (115) which are arranged concentrically with the center of the plate opening (11), extend along its circumferential direction and are connected to each radial air guide groove (114).
4. A suction cup body according to claim 3, characterized in that: The circumferential air guide groove (115) is provided at the junction of the plane area (111) and the first transition surface (112) and at the junction of the first transition surface (112) and the second transition surface (113).
5. A suction cup body according to claim 3, characterized in that: The disk body (10) is further provided with a pressure relief hole (13) located inside the disk opening (11) and penetrating the bottom and top thereof; or a plug hole (131) having an inner diameter larger than the inner diameter of the pressure relief hole (13) is provided at one end of the pressure relief hole (13) facing the disk opening (11).
6. A suction cup body according to claim 5, characterized in that: The pressure relief hole (13) is opened at one end facing the inner side of the plate opening (11) via a radial air guide groove (114) and / or a circumferential air guide groove (115).
7. A suction cup body according to claim 1, characterized in that: A sealing ring (116) is provided on a side of the outer edge of the dish opening (11) facing away from the top of the dish body (10). When there are multiple sealing rings (116), they are offset from each other.
8. A suction cup body according to claim 1, characterized in that: A pull ear (117) is provided at the side wall of the outer edge of the plate opening (11).
9. A suction cup body according to claim 1, characterized in that: There are a plurality of mounting holes (152) arranged at intervals along the circumferential direction of the disk body (10).
10. A suction cup body according to claim 1 or 9, characterized in that: A nut groove (153) is provided on a side of the mounting bracket (15) facing the plate opening (11), a nut (154) is provided in the nut groove (153), and an internal thread of the nut (154) is concentric with the mounting hole (152).