CN111267510A

CN111267510A - Folder clamp

Info

Publication number: CN111267510A
Application number: CN202010210727.8A
Authority: CN
Inventors: 吴潇雄; 程扬方
Original assignee: Deli Group Co Ltd
Current assignee: Deli Group Co Ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-06-12

Abstract

A folder clamp comprises a base, an operating rod and a clamping cover, wherein one end of the operating rod is rotatably connected with the base through a main shaft, a torsion spring is sleeved on the main shaft, a torsion arm at one end of the torsion spring is connected with the operating rod, and a torsion arm at the other end of the torsion spring is connected with the clamping cover; the base is provided with a first buckling piece and a second buckling piece, wherein the first buckling piece is connected to the operating rod in a sliding mode, the driving mechanism is used for driving the first buckling piece to slide, and the second buckling piece is matched and buckled with the first buckling piece. The folder clamp realizes the locking of the operating rod and the base by buckling the first buckling piece and the second buckling piece, and drives the first buckling piece to slide to separate from and buckle the second buckling piece when in use. The operation that the operating rod of the traditional folder clamp transversely moves to be separated from the buckling position is not needed. After the structure more than adopting, compare the beneficial effect with prior art and lie in that the locking mode between action bars and the base is more laborsaving, and the operation is more convenient, and the action bars does not take place deformation, and is more durable.

Description

Folder clamp

Technical Field

The invention relates to office supplies, in particular to a clamp of a folder.

Background

Folders are articles that are often used in everyday learning and work for organizing and storing documents. The file is internal fixed with anchor clamps and is used for pressing from both sides the file, and anchor clamps on the current file adopt the metal to press from both sides for a long time, and the action bars side and the base lock joint of this anchor clamps need move the unblock about the action bars application of force when anchor clamps unblock, in case cause deformation easily when excessive to metal material's action bars power in the use, influence the use. Therefore, a clamp with a more reasonable locking and unlocking structure is required to be designed.

Disclosure of Invention

The invention provides a folder clamp which is more durable and simpler and more convenient to operate.

The technical scheme for solving the problems is as follows: a folder clamp comprises a base, an operating rod and a clamping cover, wherein one end of the operating rod is rotatably connected with the base through a main shaft, a torsion spring is sleeved on the main shaft, a torsion arm at one end of the torsion spring is connected with the operating rod, and a torsion arm at the other end of the torsion spring is connected with the clamping cover; the base is provided with a first buckling piece and a second buckling piece, wherein the first buckling piece is connected to the operating rod in a sliding mode, the driving mechanism is used for driving the first buckling piece to slide, and the second buckling piece is matched and buckled with the first buckling piece.

The folder clamp realizes the locking of the operating rod and the base by buckling the first buckling piece and the second buckling piece, and drives the first buckling piece to slide to separate from and buckle the second buckling piece when in use. The operation that the operating rod of the traditional folder clamp transversely moves to be separated from the buckling position is not needed. After the structure more than adopting, compare the beneficial effect with prior art and lie in that the locking mode between action bars and the base is more laborsaving, and the operation is more convenient, and the action bars does not take place deformation, and is more durable.

Preferably, the driving mechanism comprises a pushing mechanism and a resetting mechanism, the pushing mechanism is connected with the first buckling piece, and the resetting mechanism is connected between the first buckling piece and the operating rod. The reset mechanism is used for keeping the first buckling piece at a position where the first buckling piece can be connected with the second buckling piece, and the pushing mechanism is used for pushing the first buckling piece to be away from the connection with the second buckling piece.

Preferably, the operating rod is provided with a sliding groove, the first buckling piece comprises a sliding block, the sliding block is connected in the sliding groove in a sliding manner, and the sliding block is provided with a buckling part; the pushing mechanism comprises a push button connected to the sliding block, the reset mechanism comprises an elastic reset piece, and the elastic reset piece is located between the sliding block and the operating rod.

Preferably, the slider is provided with a through hole, the slider is in sliding connection with one torsion arm at one end of the torsion spring through the through hole, and the elastic reset piece is sleeved on the torsion arm at one end of the torsion spring. After the arrangement, the torsion arm at one end of the torsion spring can be used as a guide rod of the sliding block and the elastic reset piece, so that the sliding of the sliding block and the stretching of the elastic reset piece are more stable.

Preferably, the buckling part is a first barb, the first barb is connected to the lower end face of the sliding block, and the second buckling piece is a second barb. The first barb and the second barb are mutually buckled and connected.

Preferably, the upper surface of the second barb is an inclined plane, the tail end of the first barb is provided with a first straight wall, and the tail ends of the second barb are provided with a second straight wall. The upper surface of the second barb is an inclined plane, so that the first buckling piece is more smoothly buckled, the tail ends of the first barb and the second barb are straight walls, so that the buckling is more stable, and the unlocking caused by mistaken collision is avoided.

Preferably, the base includes the curb plate, and the curb plate is located one side of action bars, buckling part is the third barb, the third barb is connected on the side of the nearly curb plate one end of slider, and second lock joint spare includes be equipped with the lock joint hole with the lock joint of third barb on the curb plate, lock joint hole one end is at curb plate upper end opening.

Preferably, one end, close to the main shaft, of the lower end face of the operating rod is provided with a first protrusion, the first protrusion is provided with a guide groove for a torsion arm at one end of the torsion spring to pass through, the torsion arm at one end of the torsion spring sequentially passes through the guide groove, the elastic reset piece and the through hole, one end of the elastic reset piece is connected with the first protrusion, and the other end of the elastic reset piece is connected with the sliding block.

Preferably, one end, far away from the main shaft, of the lower end face of the operating rod is provided with a second protrusion, one end of the elastic reset piece is connected with the second protrusion, and the other end of the elastic reset piece is connected with the sliding block.

Preferably, a groove is formed in the side wall of the sliding block, and the groove is communicated with the through hole and extends along the length direction of the through hole. The first bulge is positioned at the position of the lower end surface of the operating rod close to the side edge. After the arrangement, the torsion arm at one end of the torsion spring can be clamped into the through hole through the groove during product assembly, the assembly is simpler and more convenient, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of a folder clip according to the present invention.

Fig. 2 is an exploded view of the file folder clip of the present invention.

FIG. 3 is a cross-sectional view of the file folder clip of the present invention.

FIG. 4 is a schematic structural diagram of a second folder holder according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a third embodiment of a file folder clamp according to the present invention.

Fig. 6 is a schematic structural view of the first fastener in fig. 5.

FIG. 7 is a schematic structural diagram of a fourth file folder holder according to the present invention.

FIG. 8 is another schematic structural diagram of a fourth embodiment of a file folder.

As shown in the figure: 1. the elastic reset device comprises a base, 11, a side plate, 12, a connecting column, 2, an operating rod, 21, a sliding groove, 22, a first protrusion, 221, a guide groove, 23, a second protrusion, 24, a movable groove, 3, a clamping cover, 4, a main shaft, 5, a torsion spring, 6, a first buckling piece, 61, a sliding block, 611, a through hole, 612, a groove, 62, a buckling part, 621, a first barb, 6211, a first straight wall, 622, a third barb, 63, a push button, 7, a second buckling piece, 71, a second barb, 710, an inclined plane, 711, a second inclined plane, 72, a buckling hole, 721, an opening, 8 and an elastic reset piece.

Detailed Description

The invention is further described with reference to the following drawings and detailed description.

Implement one

As shown in fig. 1, 2 and 3, a file folder includes a base (1), an operating lever (2) and a folder cover (3). The base (1) comprises a side plate (11) and a connecting column 12, a main shaft 4 is arranged between the side plate (11) and the connecting column 12, and one end of the operating rod (2) is rotatably connected with the base (1) through the main shaft (4). A torsion spring (5) is sleeved on the main shaft (4), a torsion arm at one end of the torsion spring (5) is connected with the operating rod (2), and a torsion arm at the other end of the torsion spring (5) is connected with the clamping cover (3); the automatic clamping device is characterized by further comprising a first buckling piece (6) connected to the operating rod (2) in a sliding mode and a driving mechanism used for driving the first buckling piece (6) to slide, and a second buckling piece (7) matched and buckled with the first buckling piece (6) is arranged on the base (1).

The driving mechanism comprises a pushing mechanism and a resetting mechanism, the pushing mechanism is connected with the first buckling piece (6), and the resetting mechanism is connected between the first buckling piece (6) and the operating rod (2). The pushing mechanism comprises a pushing button (63), the reset mechanism comprises an elastic reset piece (8), and the elastic reset piece 8 of the embodiment adopts a spring and can also be an elastic piece such as a spring sheet and a torsion spring. The reset mechanism is used for keeping the first buckling piece at a position where the first buckling piece can be connected with the second buckling piece, and the pushing mechanism is used for pushing the first buckling piece to be away from the connection with the second buckling piece.

Be equipped with spout (21) on action bars (2), 2 length direction extensions along action bars are followed in spout (21), first latch fitting spare (6) include slider (61), slider (61) sliding connection is in spout (21), be equipped with buckling part (62) on slider (61), buckling part (62) are first barb (621), the lower terminal surface at slider (61) is connected in first barb (621). The push button (63) is connected to the upper end face of the sliding block (61) and is positioned above the operating rod (2).

The elastic reset piece (8) is sleeved on a torsion arm at one end of the torsion spring (5). The terminal surface is close main shaft (4) one end and is equipped with first arch (22) under action bars (2), be equipped with guide way (221) that supply torsional spring (5) one end torque arm to pass on first arch (22), be equipped with through-hole (611) on slider (61), torsional spring (5) one end torque arm passes guide way (221), elasticity reset piece (8) and through-hole (611) in proper order, with slider (61) sliding connection, elasticity reset piece (8) one end is supported and is connected rather than first arch (22), and the other end supports and is connected rather than on slider (61), and elasticity reset piece (8) make first detain 6 one end that keeps being located spout 21 and keep away from main shaft 4. One end of the torsion spring 5 can be used as a guide rod of the sliding block and the elastic reset piece.

The second fastener (7) is a second barb (71), and the first barb (621) and the second barb (71) can be mutually buckled and connected. The upper surface of the second barb (71) is a bevel 710, and the bevel 710 faces the first fastener 6 side, i.e. the side facing the main shaft 4. The tail end of the first barb (621) is provided with a straight wall (6211), and the tail ends of the first barb and the second barb (71) are provided with straight walls (711).

The working principle and the action process of the folder clamp are as follows:

and (3) locking process: when the operating rod 2 is pressed down by a finger, the operating rod 2 rotates downwards around the main shaft 4, the first barb (621) at the lower end of the first fastening piece 6 contacts the inclined surface of the second barb (71), and as the operating rod 2 rotates downwards continuously, the first fastening piece 6 is subjected to the component force of the second barb (71) on the first barb (621) in the direction towards the main shaft 4, so that the first fastening piece 6 can slide towards the main shaft 4 along the torsion arm of the torsion spring 5. When the first barb (621) moves to the end of the inclined surface of the second barb (71), the first fastener 6 will slide along the torsion arm of the torsion spring 5 away from the main shaft due to the restoring force of the spring, and then the first barb (621) catches on the second barb (71), thereby completing the locking.

An unlocking process: the finger is pressed on the button 63 that pushes away of first fastener 6, because the design of preventing touching by mistake, second barb (71) all are equipped with one section straight wall with first barb (621) end, consequently can't push away button 63 and unblock through direct 4 direction promotion to the main shaft, the finger needs to press down earlier and pushes away a section stroke of button 63, promote to 4 directions of main shaft again and push away button 63 and make first barb (621) break away from second barb (71), because the restoring force of torsional spring 5, the unblock is accomplished in the operating lever 2 rotation upwards afterwards.

Example two

As shown in fig. 4, a second protrusion (23) is arranged at one end of the lower end surface of the operating rod (2) far away from the main shaft (4), and a torsion arm at one end of the torsion spring (5) sequentially penetrates through a through hole (611) of the sliding block (61) and the elastic reset piece (8). One end of the elastic resetting piece (8) abuts against the second bulge (23), the other end of the elastic resetting piece (8) abuts against the sliding block (61), and the elastic resetting piece (8) enables the first buckling piece 6 to be located at one end, close to the main shaft 4, of the sliding groove 21.

The upper surface of the second barb (71) is a bevel 710, the bevel 710 faces the first fastener 6, and the bevel 710 faces away from the main shaft 4. The tail end of the first barb (621) is provided with a straight wall (6211), and the tail ends of the first barb and the second barb (71) are provided with straight walls (711).

and (3) locking process: the operating rod 2 is pressed by a finger, the operating rod 2 rotates downwards around the main shaft 4, the first barb (621) at the lower end of the first buckling piece 6 contacts the inclined surface of the second barb (71), and as the operating rod 2 rotates downwards continuously, the first buckling piece 6 is subjected to the reaction of the inclined surface of the second barb (71) on the component force of the first barb (621) in the direction far away from the main shaft 4, so that the first buckling piece 6 can slide in the direction far away from the main shaft 4 along the torsion arm of the torsion spring 5. When the first barb (621) moves to the end of the inclined surface of the second barb (71), the first fastener 6 will slide along the torsion arm of the torsion spring 5 toward the main shaft due to the restoring force of the spring, and then the first barb (621) catches on the second barb (71), thereby completing the locking.

An unlocking process: the push button 63 is pressed downward by a finger for a stroke, and then the push button 63 is pushed away from the main shaft 4 to disengage the first barb (621) from the second barb (71), and then the operating lever 2 is rotated upward due to the restoring force of the torsion spring 5 to complete unlocking.

EXAMPLE III

As shown in fig. 5, the first fastening member (6) includes a sliding block (61), the sliding block (61) is slidably connected in the sliding groove (21), and a fastening portion (62) is disposed on the sliding block (61). The elastic reset piece (8) is sleeved on a torsion arm at one end of the torsion spring (5).

The utility model discloses a torsional spring (5) and slider (61) are equipped with through-hole (611), torsional spring (5) one end torque arm passes guide way (221), elasticity piece (8) and through-hole (611) that reset in proper order, with slider (61) sliding connection, the terminal surface is close main shaft (4) one end and is equipped with first arch (22) down, be equipped with guide way (221) that supply torsional spring (5) one end torque arm to pass on first arch (22), be equipped with on slider (61) through-hole (611).

And a groove (612) is arranged on the side wall of the sliding block (61), and the groove (612) is communicated with the through hole (611) and extends along the length direction of the through hole (611). The first protrusion (22) is located at a position near the lower end surface of the operating lever (2). When the product is assembled, the torque arm at one end of the torsion spring 5 can be clamped into the through hole through the groove 612, so that the assembly is simpler and more convenient, and the production efficiency is improved.

Example four

As shown in fig. 7 and 8, the base (1) includes a side plate (11), the side plate (11) is located on one side of the operating rod (2), the buckling part (62) is a third barb (622), and the third barb (622) is connected to the side surface of the slider (61) near one end of the side plate (11). And a movable groove 24 is provided at the side of the operation lever 2, and the third barb 622 slides in the movable groove 24. One end of the elastic resetting piece (8) abuts against the first bulge (22), the other end of the elastic resetting piece (8) abuts against the sliding block (61), and the elastic resetting piece (8) enables the first buckling piece 6 to be located at one end, far away from the main shaft 4, of the sliding groove 21. The second buckling piece (7) comprises a buckling hole (72) which is arranged on the side plate (11) and buckled with the third barb (622), and one end of the buckling hole (72) is arranged at an opening (721) at the upper end of the side plate (11).

The working principle and the action process of the product of the embodiment are as follows:

and (3) locking process: the finger presses the operating lever 2, the operating lever 2 rotates downward around the main shaft 4, and at the same time, the push button 63 is pushed toward the main shaft 4, so that when the operating lever 2 reaches the side plate 11, the third barb 622 of the first fastening member 6 is right opposite to the position of the opening 721 of the fastening hole 72, and as the operating lever 2 continues to rotate downward, the third barb 622 enters the fastening hole 72 through the opening 721, at this time, the push button 63 is released, the first fastening member 6 slides toward the direction away from the main shaft 4 under the action of the elastic reset member (8), and the third barb 622 reaches the end of the fastening hole 72 away from the opening 721, and at this time, the locking is completed.

An unlocking process: the push button 63 is pushed to make the third barb 622 reach the position of the opening 721 of the hooking hole 72, and then the operation lever 2 is rotated upward out of the hooking position due to the restoring force of the torsion spring 5 to complete the unlocking.

Claims

1. A folder clamp comprises a base (1), an operating rod (2) and a clamping cover (3), wherein one end of the operating rod (2) is rotatably connected with the base (1) through a main shaft (4), a torsion spring (5) is sleeved on the main shaft (4), one end of the torsion arm of the torsion spring (5) is connected with the operating rod (2), and the other end of the torsion arm of the torsion spring (5) is connected with the clamping cover (3); the method is characterized in that: the automatic clamping device is characterized by further comprising a first buckling piece (6) connected to the operating rod (2) in a sliding mode and a driving mechanism used for driving the first buckling piece (6) to slide, and a second buckling piece (7) matched and buckled with the first buckling piece (6) is arranged on the base (1).

2. The file folder-holder as claimed in claim 1, wherein: the driving mechanism comprises a pushing mechanism and a resetting mechanism, the pushing mechanism is connected with the first buckling piece (6), and the resetting mechanism is connected between the first buckling piece (6) and the operating rod (2).

3. The file folder-holder as claimed in claim 2, wherein: a sliding groove (21) is formed in the operating rod (2), the first buckling piece (6) comprises a sliding block (61), the sliding block (61) is connected in the sliding groove (21) in a sliding mode, and a buckling part (62) is formed in the sliding block (61); push mechanism is including pushing away button (63), push away button (63) and connect on slider (61), reset mechanism includes elasticity piece (8) that resets, elasticity resets and is located between slider (61) and action bars (2).

4. The file folder-holder as claimed in claim 3, wherein: be equipped with through-hole (611) on slider (61), slider (61) pass through-hole (611) and torsional spring (5) one end torque arm sliding connection, elasticity resets and overlaps and establish on torsional spring (5) one end torque arm (8).

5. The file folder-holder as claimed in claim 3, wherein: the buckling part (62) is a first barb (621), the first barb (621) is connected to the lower end face of the sliding block (61), and the second buckling piece (7) is a second barb (71).

6. The file folder-holder as claimed in claim 5, wherein: the upper surface of the second barb (71) is an inclined surface (710), the tail end of the first barb (621) is provided with a first straight wall (6211), and the tail end of the second barb (71) is provided with a second straight wall (711).

7. The file folder-holder as claimed in claim 3, wherein: base (1) includes curb plate (11), and curb plate (11) are located one side of action bars (2), buckling part (62) are third barb (622), third barb (622) are connected on the side of slider (61) nearly curb plate (11) one end, and second lock joint spare (7) include be equipped with on curb plate (11) with the lock joint hole (72) of third barb (622) lock joint, lock joint hole (72) one end is at curb plate (11) upper end opening (721).

8. The file folder-holder as claimed in claim 4, wherein: the terminal surface is close main shaft (4) one end and is equipped with first arch (22) under action bars (2), be equipped with guide way (221) that supply torsional spring (5) one end torque arm to pass on first arch (22), torsional spring (5) one end torque arm passes guide way (221), elasticity piece (8) and through-hole (611) that reset in proper order, elasticity piece (8) one end that resets is connected with first arch (22), and the other end is connected with slider (61).

9. The file folder-holder as claimed in claim 4, wherein: the end face of the lower end face of the operating rod (2) far away from the main shaft (4) is provided with a second protrusion (23), one end of the elastic reset piece (8) is connected with the second protrusion (23), and the other end of the elastic reset piece is connected with the sliding block (61).

10. The file folder-holder as recited in claim 8, wherein: the side wall of the sliding block (61) is provided with a groove (612), the groove (612) is communicated with the through hole (611) and extends along the length direction of the through hole (611), and the first protrusion (22) is located on the position of the lower end face of the operating rod (2) close to the side edge.