CN213451150U

CN213451150U - Torsional spring clamp

Info

Publication number: CN213451150U
Application number: CN202021810300.3U
Authority: CN
Inventors: 杨高宗
Original assignee: Shenzhen Guangyu Hongyuan Trading Co ltd
Current assignee: Shenzhen Guangyu Hongyuan Trading Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-06-15
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a torsional spring clamp, which comprises an upper clamping plate and a lower clamping plate which are hinged by a torsional spring mechanism, wherein the lower clamping plate is rotatably arranged on a fixed plate; the lower clamping plate is provided with a screwing through hole, and a circular ring is fixed on the end surface of the lower clamping plate opposite to the upper clamping plate; a circular counter bore is arranged on the fixing plate, a columnar bulge part is arranged in the circular counter bore, and a rectangular through hole is formed in the columnar bulge part; a limiting piece is arranged between the lower clamping plate and the fixed plate to prevent the lower clamping plate and the fixed plate from falling off; the utility model provides a torsional spring presss from both sides on general clamping function's basis, still has a great deal of advantages such as convenient fixed, can freely rotate, freely fix a position.

Description

Torsional spring clamp

Technical Field

The utility model belongs to the technical field of the anchor clamps design, be a torsional spring clamp particularly.

Background

The torsion spring clamp is the most common clamping tool in daily life and is widely applied to the fields of file office, electronic equipment clamping and the like.

The common torsion spring clip mainly comprises two mutually matched clamping pieces, and has a single function; moreover, the appearance and structure of the product are not novel. Although the clamp has a wide application range, the clamp has many defects in function, such as lack of a fixing structure, a steering structure, a limiting mechanism and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a torsional spring clamp, on the basis of conventional clamping function, still have convenient fixed, can freely rotate, a great deal of advantages such as free location.

The technical scheme of the utility model is realized like this:

a torsion spring clamp comprises an upper clamping plate and a lower clamping plate which are hinged through a torsion spring mechanism, wherein the lower clamping plate is rotatably arranged on a fixed plate; the clamping plate is characterized in that a rotary through hole is formed in the lower clamping plate, a circular ring is fixed on the end face, back to the upper clamping plate, of the lower clamping plate, the circular ring and the rotary through hole are concentrically arranged, and the inner diameter of the circular ring is larger than the diameter of the rotary through hole.

A circular counter bore is formed in the fixing plate, a columnar boss is arranged in the circular counter bore, and the columnar boss and the circular counter bore are arranged concentrically; the cylindrical protruding portion is provided with a rectangular through hole which penetrates through the fixing plate, and a circular ring on the lower clamping plate is embedded into a circular counter bore on the fixing plate.

A limiting piece is arranged between the lower clamping plate and the fixing plate and comprises a first circular piece, a second circular piece is concentrically overlapped on the first circular piece, two oppositely arranged stand columns are fixed on the second circular piece, and hook parts are arranged on the end surfaces of the two stand columns, which are opposite to each other; the first circular sheet is attached to the end face of the lower clamping plate, the second circular sheet is embedded into the rotary through hole, the two stand columns penetrate through the rectangular through hole to form the fixed plate, the hook portion is attached to the back face of the fixed plate, and the filling piece is embedded between the two stand columns.

As a further improvement, the end of the upper clamping plate is provided with a U-shaped inner rolling part, a strip protrusion is arranged on the end surface of the U-shaped inner rolling part relative to the lower clamping plate, and a strip recess matched with the strip protrusion is arranged on the lower clamping plate.

As a further improvement, two end faces of the lower clamping plate and the fixed plate which are mutually attached are provided with protruding strips which are distributed in an annular array and are mutually engaged and staggered.

As a further improvement of the utility model, one end of the upper clamping plate far away from the U-shaped inner rolling part is provided with a thumb-shaped depressed area.

As a further improvement, the fixed plate is fixed on a placing plate, the placing plate is fixed on a placing plate, the rectangular through hole runs through, a concave area is arranged on the bottom face of the placing plate, and the hook part is supported in the concave area.

Implement the utility model provides a this kind of torsional spring presss from both sides has following beneficial effect:

1. the clamping part consisting of the upper clamping plate and the lower clamping plate can freely rotate on the fixing plate, and the position fixing is realized through the mutually meshed and staggered convex strips.

2. The utility model provides a this kind of torsional spring presss from both sides, and all components are all detachable, can improve batch production's efficiency.

3. The U-shaped inner rolling part arranged on the upper clamping part can generate deformation acting force when clamping an object, and makes up the clamping force lost after the torsion spring is aged.

4. Novel structure and convenient use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the fixing plate of FIG. 1 in a separated configuration;

FIG. 3 is a schematic structural view of the upper clamping plate and the lower clamping plate of FIG. 1 from another perspective;

FIG. 4 is a schematic diagram of an isolated structure of the limiting element of FIG. 1;

FIG. 5 is a top view of FIG. 2;

FIG. 6 is a top view of FIG. 3;

fig. 7 is a rear view of the fixing plate of fig. 1.

Reference numerals: the clamping device comprises an upper clamping plate 1, a U-shaped inner rolling part 11, a strip-shaped bulge 12 and a thumb-shaped concave area 13; the lower clamping plate 2, the screwing through hole 21, the circular ring 22, the strip-shaped recess 23 and the protruding strip 24; the fixing plate 3, a circular counter bore 31, a columnar boss 32, a placing flat plate 33, a rectangular through hole 34 and a sunken area 35; a stopper 4, a first circular sheet 41, a second circular sheet 42, a column 43, a hook 44, a filling member 45 and a torsion spring mechanism 5.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-7, the torsion spring clip of the present invention has an upper clamping plate 1 and a lower clamping plate 2, which are hinged to each other through a torsion spring mechanism 5 to form a clamping portion.

On this basis, the lower clamping plate 2 is provided with a screwing through hole 21, a circular ring 22 is fixed on the end surface of the lower clamping plate 2 opposite to the upper clamping plate 1, the circular ring 22 and the screwing through hole 21 are concentrically arranged, and the inner diameter of the circular ring 22 is larger than the diameter of the screwing through hole 21.

A fixing plate 3 is arranged below the lower clamping plate, the upper end face of the fixing plate 3 is attached to the lower clamping plate 2, a circular counter bore 31 is formed in the fixing plate 3, and the inner diameter of the circular counter bore 31 is matched with the outer diameter of the circular ring 22; a cylindrical boss 32 is further fixed in the circular counter bore 31, the cylindrical boss 32 and the circular counter bore 31 are arranged concentrically, and the diameter of the cylindrical boss 32 is matched with the inner diameter of the circular ring 22.

The lower end face of the fixing plate 3 is fixed on the placing flat plate 33, the end face of the columnar boss 32 is provided with a rectangular through hole 34, and the rectangular through hole 34 penetrates through the whole fixing plate 3 and the placing flat plate 33; the ring 22 is fitted into the circular counterbore 31, so that the lower clamp plate 2 can be freely rotatably attached to the fixed plate 3, and the stopper 4 prevents the detachment of the two.

The limiting part 4 is composed of a first circular sheet 41 and a second circular sheet 42 which are concentrically overlapped, wherein the second circular sheet 42 is smaller than the first circular sheet 41, two upright posts 43 are fixed on the end face of the second circular sheet 42, hook parts 44 are arranged on the end faces of the two upright posts 43 which are opposite to each other, the second circular sheet 42 is embedded into the screwing through hole 21, meanwhile, the first circular sheet 41 is attached to the end face of the lower clamping plate 2, the two upright posts 43 are extruded in opposite directions to generate deformation, are extruded into the rectangular through hole 34, penetrate out of the fixing plate 3 and are placed on a flat plate, the hook parts 55 are attached to the back face of the placing flat plate, and then the filling parts 45 are embedded between the two upright posts 43.

On the basis, in order to improve the practicability of the torsion spring clamp, the tail end of the upper clamping part 1 is provided with a U-shaped inner rolling part 11 which is rolled inwards towards one side of the lower clamping plate 2, and the end surface of the U-shaped inner rolling part opposite to the lower clamping plate 2 is provided with a strip-shaped bulge 12; correspondingly, a strip-shaped recess 23 is also provided on the end face of the lower clamping plate 2 for fitting with the strip-shaped protrusion 12.

The fixed plate 3 and the end face that the lower clamping plate 2 was laminated mutually all are equipped with protruding strip 24, and protruding strip 24 on two end faces all is the annular array and distributes and interlock crisscross each other.

The end surface of the upper clamping plate 1 facing away from the lower clamping plate 2 is provided with a thumb-shaped concave area 13, and the thumb-shaped concave area 13 is positioned on the section of the upper clamping plate 1 far away from the U-shaped inner rolling part 11.

The back surface of the placing plate 33 is provided with a recessed area 35, and the hook 44 penetrates out of the placing plate 33 and abuts against the bottom surface of the recessed area 35.

In the practical application process, the torsion spring clamp can be stably placed on a desktop or adhered to a wall; the clamping device can be used for clamping planar electronic products such as mobile phones and the like, and can also be used for clamping planar articles such as files, signs and the like.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A torsion spring clamp comprises an upper clamping plate and a lower clamping plate which are hinged through a torsion spring mechanism, and is characterized in that; the lower clamping plate is rotatably arranged on a fixed plate;

the lower clamping plate is provided with a screwing through hole, a circular ring is fixed on the end surface of the lower clamping plate opposite to the upper clamping plate, the circular ring and the screwing through hole are arranged concentrically, and the inner diameter of the circular ring is larger than the diameter of the screwing through hole;

a circular counter bore is formed in the fixing plate, a columnar boss is arranged in the circular counter bore, and the columnar boss and the circular counter bore are arranged concentrically;

the columnar boss is provided with a rectangular through hole which penetrates through the fixed plate, and a circular ring on the lower clamping plate is embedded into a circular counter bore on the fixed plate;

a limiting piece is arranged between the lower clamping plate and the fixing plate and comprises a first circular piece, a second circular piece is concentrically overlapped on the first circular piece, two oppositely arranged stand columns are fixed on the second circular piece, and hook parts are arranged on the end surfaces of the two stand columns, which are opposite to each other;

the first circular sheet is attached to the end face of the lower clamping plate, the second circular sheet is embedded into the rotary through hole, the two stand columns penetrate through the rectangular through hole to form the fixed plate, the hook portion is attached to the back face of the fixed plate, and the filling piece is embedded between the two stand columns.

2. The torsion spring clip according to claim 1, wherein the end of the upper clamping plate is provided with a U-shaped inner winding portion, a strip-shaped protrusion is provided on the end surface of the U-shaped inner winding portion opposite to the lower clamping plate, and a strip-shaped recess adapted to the strip-shaped protrusion is provided on the lower clamping plate.

3. The torsion spring clip according to claim 2, wherein the two end faces of the lower clamping plate and the fixing plate, which are attached to each other, are provided with protruding strips which are distributed in an annular array and are engaged and staggered with each other.

4. A torsion spring clip according to claim 3, wherein a thumb depression is provided on the end of said upper clamping plate remote from the U-shaped inner wrap.

5. The torsion spring clip according to claim 4, wherein said fixing plate is fixed to a placing plate which is penetrated by said rectangular through hole, a recessed area is provided on a bottom end surface of said placing plate, and said hook portion abuts against the recessed area.