CN104512152A - A ring binder - Google Patents

Abstract

The invention discloses a ring type binding clip, which comprises a fixed strip and a movable strip, wherein the fixed strip and the movable strip are provided with a hook ring for bearing a file, and the ring type binding clip is characterized in that: the joint part at the two ends of the fixed strip and the movable strip is provided with a locking mechanism for locking the fixed strip and the movable strip when the shackle is closed and a limiting mechanism for preventing the movable strip from being separated from the fixed strip when the shackle is opened, and an elastic device for automatically opening the shackle when the locking mechanism is released is further arranged between the fixed strip and the movable strip. The invention has simple structure, convenient use and durability.

Description

A ring binder

technical field

The present invention relates to a stationery, in particular to a ring binder for binding documents and archives.

Background technique

Binders are a kind of stationery that people often use in their work and office. Newspapers, magazines, work documents, bills, files and other materials are classified and bound through binders, which is convenient for management and reference. The binding clip commonly used at present is a pull-out type binding clip, and this pull-out type binding clip includes a fixed bar, a movable bar and an operating panel that is arranged on the bottom of the fixed bar and can move freely along the length direction of the fixed bar. The fixed bar is provided with a linear hole extending along its length direction, and the movable bar is provided with an oblique linear hole, and the columnar protrusion provided on the operation panel passes through the linear hole on the fixed bar and the movable bar in turn. The oblique linear holes on the top make the operation panel movably connected with the fixed bar and the movable bar. When the operation panel is pushed and pulled longitudinally, the longitudinal thrust or pull is transformed into an outward push or an inward pull to the movable bar due to the oblique grooves on the movable bar, and then the movable bar is opened or closed. During the pulling process of this pull-out binder clip, the pull-out plate and the movable plate move relative to the fixed plate, and the friction force between them is relatively large, which is easy to wear and has a short service life.

Contents of the invention

The technical problem to be solved by the present invention is to provide a ring binder that can reduce wear, prolong service life and is easy to operate.

In order to solve the above-mentioned technical problems, the present invention provides a ring-type binder, including a fixed strip and a movable strip, and the fixed strip and the movable strip are provided with hooks and loops for carrying documents, and it is characterized in that: the fixed strip and the movable strip are The joint parts at both ends of the movable strip are provided with a locking mechanism for locking the fixed strip and the movable strip when the shackle is closed, and a limiter for preventing the movable strip from breaking away from the fixed strip when the shackle is opened. Position mechanism, and an elastic device that automatically opens the shackle when the locking mechanism is released is arranged between the fixed bar and the movable bar.

The locking mechanism includes a locking plate with one end fixed on the fixed bar and a bar-shaped groove provided on the lower surface of the movable bar. The locking protrusion is snap-fitted into the shaped groove, and the free end of the locking and pressing plate that extends outward is the unlocking pressing part.

The limit mechanism includes a limit protrusion fixed on the upper surface of the fixed bar close to the movable bar, and the limit protrusion is slidably fitted with the bar-shaped groove of the movable bar. When the shackle is opened In the normal state, the bar-shaped groove slides outward until the limit protrusion collides with the inner end of the bar-shaped groove and is locked.

Both the locking protrusion and the limiting protrusion are trapezoidal or wedge-shaped protrusions inclined toward one side of the movable bar.

The elastic device is a compression spring, and the lower surface of the movable bar is provided with a U-shaped convex wall that overhangs downwards. The inner wall of the U-shaped convex wall is provided with a first horizontal post, and the fixed bar is provided with a A groove for the insertion of the U-shaped convex wall, a second transverse convex column is arranged on the inner side wall of the groove, and the U-shaped convex wall of the movable strip is inserted into the groove of the fixed strip to form a receiving In the cavity of the compression spring, both ends of the compression spring are respectively sleeved on the first protruding post and the second protruding post.

The end of the shackle is also provided with a small snap-in structure, the end of the shackle on the fixed strip is provided with a circular pin, and the end of the shackle on the movable strip is provided with a circular groove, The diameter and depth of the circular groove are adapted to the diameter and depth of the circular pin, and the circular groove and the circular pin form an engaging structure.

The upper surface of the fixed bar is provided with several horizontal guide keys, and the lower surface of the movable bar is provided with several slide grooves corresponding to the positions of the guide keys, and the guide keys are inserted into the slide grooves to realize the alignment between the fixed bar and the guide keys. The connection of the movable bar makes the movable bar move along the guide key relative to the fixed bar.

The guide keys include guide keys with an L-shaped cross section arranged at both ends of the fixing bar and guide keys with a T-shaped cross section arranged at the middle part of the fixed bar.

The unlocking pressing part is an unlocking button, and the unlocking button is a semicircle roughly consistent with the outline of a human thumb, and its upper surface is provided with non-slip horizontal stripes.

A mounting hole is provided on the fixed bar, and a through hole with a slightly larger diameter is provided at a position corresponding to the mounting hole on the movable bar for mounting on the mounting hole through a fixing piece.

Compared with the prior art, the ring-type binder of the present invention has the following beneficial technical effects: the movable bar is driven to open relatively outward by the compression spring arranged between the fixed bar and the movable bar, avoiding the draw-out of the traditional pull-out binder. When the pull plate opens and closes the movable strip, there will be too much friction between the pull plate, the movable strip and the fixed strip, which will cause wear and tear and affect the service life. The ring-type binder of the invention has the advantages of simple structure, convenient use and durability.

Description of drawings

The invention will be better understood with reference to the accompanying drawings. The accompanying drawings are as follows:

Fig. 1 is a schematic diagram of the open state of the ring binder of the present invention;

Fig. 2 is a schematic diagram of the closed state of the ring binder of the present invention;

Fig. 3 is a schematic side view of the ring binder of the present invention;

Fig. 4 is a schematic diagram of the bottom of the ring binder of the present invention;

Fig. 5 is an enlarged schematic view of the front of one end of the ring binder of the present invention when it is opened;

Fig. 6 is an enlarged schematic diagram of the reverse side of one end of the ring binder of the present invention when it is opened;

Fig. 7 is an enlarged schematic view of the hook ring of the ring binder of the present invention;

Fig. 8 is a schematic diagram of one end of the ring binder of the present invention in a closed state.

Detailed ways

In order to make the object, technical solution, and beneficial effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The realization of the present invention is described in detail below in conjunction with specific embodiment:

As shown in FIG. 1 , the ring binder of the present invention includes a fixed strip 1 and a movable strip 2 . The fixed bar 1 is fixed on the back of the file folder and remains fixed all the time. The upper surface of the fixed bar 1 is provided with several horizontal guide keys 15; 15 is slidably matched with a sliding groove (not shown in the drawings), so that the movable bar 2 slides back and forth relative to the fixed bar 1 along the direction of the guide key 15 .

The fixed strip 1 and the movable strip 2 are respectively provided with several shackles 3 arranged at intervals and integrally formed with the main body for carrying documents, and the shackles 3 are half rings. The shackle 3 on the fixed bar 1 is docked with the shackle 3 on the movable bar 2 . Further, the end portion of the shackle 3 is provided with a small snap-in structure. As shown in Figure 7, specifically the end of the shackle 3 on the fixed bar 1 has a circular pin 31, the end of the shackle 3 on the movable bar 2 has a circular groove 32, and the diameter of the circular groove 32 is and the depth are adapted to the diameter and depth of the circular pin 31 . The circular groove 32 and the circular pin 31 form an engaging structure, through which the shackles 3 on the fixed strip 1 and the movable strip 2 are closed and interlocked.

The joint part at both ends of the fixed strip 1 and the movable strip 2 is provided with a locking mechanism for locking the fixed strip 1 and the movable strip 2 when the shackle 3 is closed and for preventing The movable strip 2 is separated from the limiting mechanism of the fixed strip 1, and an elastic device for automatically opening the shackle 3 is provided between the fixed strip 1 and the movable strip 2 when the locking mechanism is released.

As shown in FIGS. 1 to 6 , the two ends of the fixed bar 1 away from the movable bar 2 are provided with locking and pressing plates 11 extending outward, and one end of the locking and pressing plates 11 is fixed on the fixing bar 1 . The pressure locking plate 11 is located on the same level as the upper surface of the fixing bar 1 and the two sides of the pressure locking plate 11 are free edges. The locking and pressing plate 11 includes a locking portion 113 and an unlocking pressing portion 112 which are integrally designed. The locking part 113 is the inner end of the locking plate 11 and the upper surface of the locking part 113 is provided with a trapezoidal or wedge-shaped locking protrusion 111 inclined to one side of the movable bar 2, and the free end of the locking part 113 extending outward is the unlocking pressing part 112, That is, the button 112 is unlocked. The unlocking button 112 is a semicircle roughly in line with the outline of a human thumb, and its upper surface is provided with non-slip horizontal stripes. The unlock button 112 is higher than the inner end portion of the locking plate 11 in height. A limiting protrusion 12 is arranged on the upper surface of the fixed bar 1 adjacent to the side of the movable bar 2 , and the limiting protrusion 12 is a trapezoidal or wedge-shaped protrusion inclined to the side of the movable bar 2 . The limit protrusion 12 and the locking protrusion 111 are located on a horizontal straight line.

The lower surface at both ends of the movable bar 2 is provided with a transverse bar-shaped groove 21 corresponding to the position between the locking protrusion 111 and the position-limiting protrusion 12. When the fixed bar 1 and the movable bar 2 are interlocked, the locking protrusion 111 is clamped at the inner end of the bar-shaped groove 21 to lock the movable bar 2 with the fixed bar 1 , at this time, the locking protrusion 111 and the limiting protrusion 12 are respectively locked at both ends of the bar-shaped groove 21 . The locking protrusion 111 and the bar-shaped groove 21 constitute the locking mechanism. The limiting protrusion 12 is slidingly fitted with the bar-shaped groove 21 of the movable bar 2, and when the shackle 3 is opened, the locking protrusion 111 is detached from the bar-shaped groove 21 downwards, and the movable bar 2 is relatively opened outward, and the strip-shaped groove 21 slides outward until the inner end of the strip-shaped groove 21 is in a locked state when the stopper protrusion 12 is engaged. The protrusion 12 and the bar-shaped groove 21 form a limiting mechanism.

It can be understood that we can also properly deform the locking mechanism as required. For example, a groove is provided on the upper surface of the pressing plate 11, and a locking protrusion is provided on the lower surface of the movable bar 2 to engage with the groove.

The specific settings of the locking mechanism and the limiting mechanism are not limited to the above-mentioned manners. The second embodiment of the locking mechanism and the limit mechanism is: one end of the locking and pressing plate 11 is fixed on the movable bar 2, specifically, the locking and pressing plate 11 is fixed on the two sides of the movable bar 2 away from the fixed bar 1. At the end, the upper surface of the fixing bar 1 is provided with a bar-shaped groove 21, and the lower surface of the locking plate 11 is protruded with a locking protrusion 111 that is engaged with the bar-shaped groove 21 on the upper surface of the fixing bar 1. The outwardly extending free end of the pressing plate 11 is an unlocking pressing portion 112 . A limit protrusion 12 is fixed on the lower surface of the side of the movable bar 2 close to the fixed bar 1, and the limit protrusion 12 is slidably matched with the bar-shaped groove 21 of the fixed bar 1. When the shackle 3 is in the open state , the limiting protrusion 12 slides outward to the outer end of the bar-shaped groove 21 to be locked. When in use, the unlocking pressing part 112 is pulled up, the locking protrusion 111 breaks away from the bar-shaped groove 21 upwards, the movable bar 2 is in an unlocked state and slides outward under the action of an external force until the limiting protrusion 12 slides outward to the The outer end of the strip-shaped groove 21 is locked.

As shown in Fig. 5 and Fig. 6, the lower surface of both ends of the movable bar 2 is provided with a U-shaped convex wall 22 with an opening extending downward towards the fixed bar 1, and the inner side wall of the U-shaped convex wall 22 is provided with a vertically pointing to it. The first protrusion 24 of the opening. A groove 13 for inserting the U-shaped convex wall 22 is set on the fixed bar 1, and this groove 13 has a notch near the side of the movable bar 2, and a vertical pointing to the The second protrusion 131 of the notch. The U-shaped convex wall 22 of the movable bar 2 is inserted into the groove 13 of the fixed bar 1 to form a cavity for accommodating the elastic device. The elastic device is a compression spring 4, and the two ends of the compression spring 4 are respectively sleeved on the first protruding post 24 and the second protruding post 131, and are in contact with where the first protruding post 24 and the second protruding post 131 are located. on the inner wall. When the binder is closed, the compression spring 4 is compressed and presses against the fixed strip 1 and the movable strip 2 .

The fixed bar 1 is provided with several guide keys 15, and the movable bar 2 is provided with several chutes (not shown in the accompanying drawings) which cooperate with the guide keys 15, and the guide keys 15 are inserted into the chute Realize the connection between the fixed bar 1 and the movable bar 2 , and make the movable bar 2 reciprocate relative to the fixed bar 1 along the direction of the guide key 15 . Specifically, the upper surface of both ends of the fixed bar 1 is provided with a guide key 151 with an L-shaped cross section, and the lower surface of the two ends of the movable bar 2 is provided with a chute matched with the L-shaped guide key 151, and the L-shaped guide key The key 151 is inserted into the chute from the side so that it is locked in the chute and can make the chute slide along the direction of the L-shaped guide key. The middle part of the fixed bar 1 is also provided with several guide keys 152 whose cross section is T-shaped at intervals, and the lower surface of the movable bar 2 is provided with a chute matched with the T-shaped guide keys at the position corresponding to the T-shaped guide keys 152. It is to ensure that the fixed bar 1 and the movable bar 2 do not shift in the length direction when they cooperate with each other to move.

The fixing bar 1 is also provided with several mounting holes 14, through the mounting holes 14, the fixing bar 1 is fixed on the back plate of the file folder with fixing parts such as screws. The position of the movable bar 2 corresponding to the installation hole 14 is provided with a through hole 23 with a slightly larger diameter, which is used for fixing parts such as screws to pass through and be fixed on the installation hole 14 .

The specific way of use of the present invention is: when the binder clip is closed, the locking protrusion 111 is stuck at the relative inner end position in the strip groove 21 so that the movable strip 2 and the fixed strip 1 are mutually locked. At this time, the movable strip 2 and the fixed strip 1 The compression springs 4 between the strips 1 are compressed. The user presses the unlocking button 112 downwards, and the locking part 113 designed integrally with the unlocking button 112 is driven downward, and the locking protrusion 111 on the locking part 113 breaks away from the bar-shaped groove 21 downwards, and the movable bar 2 is unlocked and compressed by the spring. 4, it is opened relatively outwards under the force of 4 until the relative inner end of the bar-shaped groove 21 of the movable bar 2 is locked by the stop protrusion 12 and stops moving, at this time, the binder is in an open state. After the binding of the binder is completed, the user pushes the movable bar 2 inward, and the movable bar 2 presses the locking part 113 downward and moves relatively inward along the slope of the locking protrusion 111 until the locking protrusion 111 resets the card under the force of the locking part itself. Placed in the bar-shaped groove 21 to realize the interlocking of the movable bar 2 and the fixed bar 1 in place.

The ring binder of the present invention can be made of plastic or hardware. According to the model of existing paper, ring binders of different sizes and models can be made.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. A ring binder, including a fixed strip (1) and a movable strip (2), the fixed strip (1) and the movable strip (2) are provided with a hook and loop (3) for carrying documents, its features In that: the joint part at both ends of the fixed strip (1) and the movable strip (2) is provided with a locking mechanism for locking the fixed strip (1) and the movable strip (2) when the shackle (3) is closed And a limit mechanism for preventing the movable strip (2) from breaking away from the fixed strip (1) when the shackle (3) is opened, there is also a gap between the fixed strip (1) and the movable strip (2) Elastic means are provided for automatically opening the shackle (3) when the locking mechanism is released. 2. The ring binder according to claim 1, characterized in that: the locking mechanism includes a locking plate (11) with one end fixed on the fixed bar (1) and a locking plate (11) set on the movable bar (2) The strip-shaped groove (21) on the lower surface, the upper surface of the locking and pressing plate (11) protrudes a locking protrusion (111) that fits with the strip-shaped groove (21) on the lower surface of the movable bar (2) ), the free end of the locking plate (11) extending outward is the unlocking pressing part (112). 3. The ring binder according to claim 2, characterized in that: the limiting mechanism includes a limiting protrusion ( 12), the limiting protrusion (12) is slidingly matched with the bar-shaped groove (21) of the movable bar (2), when the shackle (3) is in the open state, the bar-shaped groove (21) ) slide outward until the limit protrusion (12) collides with the inner end of the bar-shaped groove (21) and is locked. 4. The ring binder according to claim 2 or 3, characterized in that: both the locking protrusion (111) and the limiting protrusion (12) are inclined toward the side of the movable bar (2) Trapezoidal or wedge-shaped protrusions. 5. The ring binder according to claim 4, characterized in that: the elastic device is a compression spring (4), and the lower surface of the movable bar (2) is provided with a U-shaped convex wall ( 22), the inner wall of the U-shaped convex wall (22) is provided with a transverse first convex column (24), and the fixing bar (1) is provided with a groove for the insertion of the U-shaped convex wall (22) (13), the inner side wall of the groove (13) is provided with a transverse second protrusion (131), and the U-shaped convex wall (22) of the movable bar (2) is inserted into the fixed bar (1) A cavity for the compression spring (4) is formed in the groove (13), and the two ends of the compression spring (4) are respectively sleeved on the first boss (24) and the second boss ( 131) on. 6. The ring binder according to claim 5, characterized in that: the end part of the hook (3) is also provided with a small snap-in structure, the hook (1) on the fixing strip (1) 3) is provided with a circular pin (31) at the end, and the end of the shackle (3) on the movable bar (2) is provided with a circular groove (32), and the diameter of the circular groove (32) and the depth are adapted to the diameter and depth of the circular pin (31), and the circular groove (32) and the circular pin (31) form an engaging structure. 7. The ring binder according to claim 6, characterized in that: the upper surface of the fixed strip (1) is provided with several horizontal guide keys (15), and the lower surface of the movable strip (2) corresponds to the The position of the guide key (15) is provided with several sliding grooves, and the guide key (15) is inserted into the sliding groove to realize the connection between the fixed bar (1) and the movable bar (2) and make the movable bar ( 2) Move along the guide key (15) relative to the fixing bar (1). 8. The ring binder according to claim 7, characterized in that: the guide key (15) includes a guide key (151) with an L-shaped cross-section arranged at both ends of the fixing bar (1) and a set The cross section of the middle part of the fixing bar (1) is a T-shaped guide key (152). 9. The ring binder according to claim 8, characterized in that: the unlocking pressing part (112) is an unlocking button (112), and the unlocking button (112) is a half-shape roughly consistent with the outline of a human thumb. It is round and has non-slip horizontal stripes on its upper surface. 10. The ring binder according to claim 9, characterized in that: the fixing bar (1) is provided with a mounting hole (14), and the movable bar (2) is connected with the mounting hole (14) The corresponding position is provided with a through hole (23) with a slightly larger diameter for mounting on the installation hole (14) through a fixing piece.