CN211388391U

CN211388391U - Clamping mechanism

Info

Publication number: CN211388391U
Application number: CN201921484814.1U
Authority: CN
Inventors: 贺新军
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-09-01
Anticipated expiration: 2029-09-06

Abstract

The utility model relates to a clamping mechanism, the on-line screen storage device comprises a base, rotate the upper cover of connection on the base, the base is provided with lower clamping part, the upper cover is provided with clamping part, on, lower clamping part cooperation is pressed from both sides tightly or is loosened, clamping mechanism is still including being used for the drive, the operating parts that lower clamping part presss from both sides tightly or loosens, the lower extreme of operating parts rotates and connects on the base, and the upper cover, operating parts cross arrangement, be provided with on the operating parts and support the portion of pushing away, support the below that the portion lies in the upper cover, when rotating the operating parts messenger and supporting the lower surface of portion and upper cover and offset, on, lower clamping part is in and loosens the state, when rotating the operating parts messenger and supporting the lower surface that pushes away portion and upper cover and breaking away from mutually, on. The utility model discloses under the condition that does not use elastic element, through setting up structure and plastic deformation of upper cover, operating parts realize that clamping mechanism's unclamping and pressing from both sides tightly, simple structure, convenient operation, the processing cost is low, is applicable to the clamp of various conditions tightly.

Description

Clamping mechanism

Technical Field

The utility model relates to a clamping mechanism.

Background

The clamping member is used to connect two components, such as a clip, a buckle, etc. The clamping piece has two states: in the clamping state and the unclamping state, usually, the clamping piece can be unclamped by applying force to the clamping piece, and the clamping piece can be clamped and held by removing the force, that is, the clamping piece is in the clamping state in a natural state, so that the clamping piece per se needs to be capable of realizing the conversion from the unclamping state to the clamping state. In the prior art: the clamping member is usually provided with a resilient element, such as a spring, a torsion spring, etc., which is resilient by means of a resilient force. However, the use of one part is increased, and one more process is needed for assembly and production.

Disclosure of Invention

The utility model aims at providing a novel clamping mechanism, need not the design of elastic component.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a clamping mechanism comprises a base, an upper cover, a lower end of the upper cover is rotatably connected to the base, a lower clamping portion is arranged on the upper surface of the base, an upper clamping portion is arranged on the lower surface of the upper cover, the upper clamping portion and the lower clamping portion are matched to clamp or loosen, the clamping mechanism further comprises an operating piece used for driving the upper clamping portion and the lower clamping portion to clamp or loosen, the lower end of the operating piece is rotatably connected to the base, the upper cover and the operating piece are arranged in a crossed mode, a pushing portion is arranged on the operating piece and located below the upper cover, when the operating piece is rotated to enable the pushing portion to be abutted to the lower surface of the upper cover, the upper clamping portion and the lower clamping portion are in a loosening state, and when the operating piece is rotated to enable the pushing portion to be separated from the lower surface of the upper cover, the upper clamping part and the lower clamping part can be switched from a loosening state to a clamping state.

Preferably, the operating member includes a head portion located at an upper end thereof, a tail portion located at a lower end thereof, and a connecting portion connecting the head portion and the tail portion, the tail portion is located below the upper cover, a lower end of the tail portion is rotatably connected with the base, and the pushing portion is disposed at an upper end of the tail portion.

Further preferably, the width of the tail portion is greater than the width of the connecting portion, and the tail portion protrudes from the upper ends of two sides of the connecting portion in the width direction to form the pushing portion.

Further preferably, when the operating member is rotated to make the upper surface of the tail part of the operating member parallel to the lower surface of the upper cover, the upper clamping part and the lower clamping part are in a clamping state and are kept stable.

Further preferably, an upper surface of the tail portion is coplanar with an upper surface of the connecting portion.

Preferably, the lower end of the upper cover is provided with an opening, and when the operating element is rotated, part of the operating element can slide into the opening of the upper cover.

Preferably, the lower end of the upper cover is formed with a rotating part which is rotatably connected with the base, the rotating part is provided with a lower plane which can be parallel to the bottom surface of the base, and when the lower plane of the rotating part is parallel to the bottom surface of the base, the upper clamping part and the lower clamping part are in a clamping state and are kept stable.

Preferably, the upper clamping part is provided with an upper tooth part protruding out of the upper surface of the base; the lower clamping part is provided with a lower tooth part protruding out of the lower surface of the upper cover, and when the upper clamping part and the lower clamping part are clamped, the upper tooth part and the lower tooth part are matched.

Preferably, the base is provided with a groove, and the rotary connection positions of the upper cover, the operating part and the base are positioned on two sides in the groove; in the clamping state, part of the operating part is positioned in the groove.

Preferably, at least the pushing part of the upper cover and the operating part is made of plastic materials or wooden materials.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses under the condition that does not use elastic element (spring, torsional spring), through setting up structure and plastic deformation of upper cover, operating parts realize that clamping mechanism's unclamping and pressing from both sides tightly, its simple structure, convenient operation, the processing cost is low, is applicable to the clamp of various conditions tightly.

Drawings

FIG. 1 is a first schematic view of the present embodiment in a clamped state;

FIG. 2 is a second schematic view of the present embodiment in a clamped state;

FIG. 3 is a first schematic view of the present embodiment in a released state;

FIG. 4 is a second schematic view of the present embodiment in a released state;

FIG. 5 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 6 is a schematic cross-sectional view B-B of FIG. 3;

FIG. 7 is an enlarged view of portion B of FIG. 6;

FIG. 8 is a schematic cross-sectional view of C-C of FIG. 3.

Wherein: 1. a base; 10. a lower clamping portion; 11. a groove; 12. a rotation connecting part; 120. an upper plane; 2. an upper cover; 20. a lower clamping portion; 21. an opening part; 22. a rotating part; 220. a lower plane; 3. an operating member; 30. a head portion; 31. a tail portion; 32. a connecting portion; 33. a pushing part.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A clamping mechanism as shown in fig. 1-8, comprising a base 1, an upper cover 2 with a lower end rotatably connected to the base 1, and an operating member 3 with a lower end rotatably connected to the base 1, wherein: the upper cover 2 and the operation member 3 are arranged crosswise. The upper surface of base 1 is provided with lower clamping part 10, and the lower surface of upper cover 2 is provided with upper clamping part 20, and the cooperation is pressed from both sides tightly or is loosened, specific theory between upper clamping part 20, the lower clamping part 10: the upper clamping part 20 is provided with an upper tooth part protruding out of the upper surface of the base 1; the lower clamping portion 10 is provided with a lower tooth portion protruding from the lower surface of the upper cover 2, and the upper tooth portion and the lower tooth portion are matched and clamped. The operating member 3 is used for driving the relative clamping or releasing between the upper clamping portion 20 and the lower clamping portion 10.

In this embodiment:

one end of the base 1 is provided with a lower clamping part 10, the middle of the base 1 is provided with a groove 11, the base 1 on two sides above the groove 11 is provided with a rotating connecting part 12, and the upper cover 2 and the operating part 3 are rotatably connected on the rotating connecting part 12.

An opening 21 is formed at the lower end of the upper cover 2, so that the lower end of the upper cover 2 is concave. The lower end of the upper cover 2 is formed with a rotating part 22 rotatably connected with the rotating connection part 12 of the base 1, the rotating part 22 of this embodiment is specifically the two side parts of the lower end opening part 21 of the upper cover 2, the rotating part 22 has a lower plane 220 parallel to the bottom surface of the base 1, the rotating part 22 is located in the groove 11 of the base 1, and the bottom surface of the base 1 is the bottom surface of the groove 11, as shown in fig. 6 and 8.

The operation element 3 comprises a head portion 30 at its upper end, a tail portion 31 at its lower end, and a connecting portion 32 connecting the head portion 30 and the tail portion 31, wherein: because the upper cover 2 and the operation element 3 are arranged crosswise, the tail part 31 can be positioned below the upper cover 2 through the opening part 21 of the upper cover 2, the width of the tail part 31 is larger than that of the connecting part 32, the upper ends of the tail part 31 at two sides of the connecting part 32 in the width direction are protruded to form a pushing part 33, and the lower end of the tail part 31 is rotatably connected with the rotating connecting part 12 of the base 1. The width of the connecting portion 32 is smaller than the width of the opening portion 21 of the upper cover 2, so that the connecting portion 32 can be slid into the opening portion. Further, the upper surface of the tail portion 31 is coplanar with the upper surface of the connecting portion 32, and the lower surface of the upper cover 2 is located above the upper surface of the tail portion 31.

In this embodiment: at least the upper cover 2 and the pushing part 33 of the operating piece 3 are made of plastic materials. The upper cover 2 and the pushing portion 33 of the operating member 3 may be made of wood in other embodiments.

As shown in fig. 1, 2 and 5: the clamping mechanism is in a clamping state, the tail part 31 and the connecting part 32 of the operating element 3 are positioned in the groove 11 of the base 1, the head part 30 of the operating element 3 is positioned outside the groove 11, the upper surface of the tail part 31 of the operating element 3 is parallel to the upper surface of the upper cover 2, the lower plane of the rotating part 22 of the upper cover 2 is parallel to the bottom surface of the groove 11, and at the moment, the clamping mechanism is in a clamping state and can be kept stable.

As shown in fig. 2, 3, 6 and 8, the operating element 3 is rotated upward relative to the base 1, the connecting portion 32 of the operating element 3 gradually slides into the opening portion 21 of the upper cover 2, and when the operating element 3 reaches a certain angle, the abutting portion 33 on the operating element 3 abuts against the lower surface of the upper cover 2, and the upper cover 2 is opened through plastic deformation, and as shown in fig. 7, the upper clamping portion and the lower clamping portion are released. Conversely, the operating element 3 is rotated downwards relative to the base 1 to separate the abutting portion 33 from the lower surface of the upper cover 2, the upper cover 2 is rotated until the upper surface of the tail portion 31 of the operating element 3 is parallel to the upper surface of the upper cover 2, the lower plane of the rotating portion 22 of the upper cover 2 is parallel to the bottom surface of the groove 11, the mutual limiting effect is achieved through the relative parallel relationship, the upper cover 2 is kept in a clamping state, as shown in the locking stable state shown in fig. 1, 2 and 5, the abutting portion 33 is equivalent to a dead point, and the upper cover 2 is loosened and clamped.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a clamping mechanism, includes that base, lower extreme rotate to be connected the base on the upper cover, the upper surface of base be provided with down clamping part, the lower surface of upper cover be provided with clamping part, upper clamping part, lower clamping part between cooperate and press from both sides tightly or loosen its characterized in that: the clamping mechanism further comprises an operating part for driving the upper clamping part and the lower clamping part to be clamped or loosened, the lower end of the operating part is rotatably connected to the base, the upper cover and the operating part are arranged in a crossed mode, a pushing part is arranged on the operating part and located below the upper cover, when the operating part is rotated to enable the pushing part to be abutted against the lower surface of the upper cover, the upper clamping part and the lower clamping part are in a loosening state, and when the operating part is rotated to enable the pushing part to be separated from the lower surface of the upper cover, the upper clamping part and the lower clamping part can be switched from the loosening state to the clamping state.

2. A clamping mechanism as claimed in claim 1, wherein: the operating piece comprises a head part positioned at the upper end of the operating piece, a tail part positioned at the lower end of the operating piece and a connecting part for connecting the head part and the tail part, the tail part is positioned below the upper cover, the lower end of the tail part is rotatably connected with the base, and the pushing part is arranged at the upper end of the tail part.

3. A clamping mechanism as claimed in claim 2, wherein: the width of the tail part is larger than that of the connecting part, and the tail part protrudes out of the upper ends of two sides of the connecting part in the width direction to form the pushing part.

4. A clamping mechanism as claimed in claim 2, wherein: when the operating piece is rotated to enable the upper surface of the tail part of the operating piece to be parallel to the lower surface of the upper cover, the upper clamping part and the lower clamping part are in a clamping state and are kept stable.

5. A clamping mechanism according to claim 2 or 4, wherein: the upper surface of the tail part is coplanar with the upper surface of the connecting part.

6. A clamping mechanism as claimed in claim 1, wherein: the lower end of the upper cover is provided with an opening part, and when the operating piece is rotated, part of the operating piece can slide into the opening part of the upper cover.

7. A clamping mechanism as claimed in claim 1, wherein: the lower end of the upper cover is provided with a rotating part which is rotatably connected with the base, the rotating part is provided with a lower plane which can be parallel to the bottom surface of the base, and when the lower plane of the rotating part is parallel to the bottom surface of the base, the upper clamping part and the lower clamping part are in a clamping state and are kept stable.

8. A clamping mechanism as claimed in claim 1, wherein: the upper clamping part is provided with an upper tooth part protruding out of the upper surface of the base; the lower clamping part is provided with a lower tooth part protruding out of the lower surface of the upper cover, and when the upper clamping part and the lower clamping part are clamped, the upper tooth part and the lower tooth part are matched.

9. A clamping mechanism as claimed in claim 1, wherein: the base is provided with a groove, and the rotating connection positions of the upper cover, the operating part and the base are positioned at two sides in the groove; in the clamping state, part of the operating part is positioned in the groove.

10. A clamping mechanism as claimed in claim 1, wherein: at least the upper cover and the pushing part of the operating piece are made of plastic materials or wood materials.