CN202805310U - Hole puncher with resilient trip mechanism arranged on tool seat - Google Patents

Abstract

The utility model relates to a hole puncher with a resilient trip mechanism arranged on a tool seat. The hole puncher with the resilient trip mechanism arranged on the tool seat comprises a base seat, at least one tool and a pressing cover. Two sides of the base seat are respectively provided with at least one tool seat, two corresponding sides of the tool seats are provided with straight through grooves, and the top portions of the tool seats are used for installing of the tools in a penetrating mode. A front shaft is crosswise arranged in the tools in a penetrating mode, the pressing cover is combined on the upper side of actuation sleeves, each actuation sleeve covers on the upper sides of the tools, the rear sides of the actuation sleeves are pivoted on the tool seats so as to enable the actuation sleeves and the pressing cover to drive the tools to move downward to punch holes based on pivoting points. The hole puncher with the resilient trip mechanism arranged on the tool seat further comprises that each tool is provided with a sheet type resilient trip mechanism capable of storing elastic energy in a matching mode. Each resilient trip is in a long sheet shape, one end of the resilient trip is fixed on a joint portion of the tool seats, the other end of the resilient trip forms an inclined free connecting end after buckling, the joint portion toward the connecting end is an inclined sheet-shaped actuation portion with a gradually enlarged dip angle, the joint portion is fixed on the tool seats, the connecting end abuts against the lower side of the front shaft of the tools, and the resilient trips can simultaneously carrying out displacement actuation together with the tools and can provide elasticity for the tools to recover to original positions.

Description

The card punch of tool rest band flexure strip mechanism

Technical field

The utility model relates to a kind of card punch, relates in particular to tool-apron structure in this card punch.

Background technology

The mode of most data file wish set bookbinding has multiple, and wherein a kind of is data file one side to be seen through card punch get hole, combines so that loose-leaf binder is worn folder; General common card punch as shown in Figure 7, it has the pedestal 20 of class's face, form the appearance paper district 21 that a paper is put at this class's face, pedestal 20 both sides respectively arrange a tool rest 22, wear respectively spring 23 and a cutter 24 that presses formula on the tool rest 22, respectively pressurized is in 24 on tool rest 22 and cutter at spring 23 two ends, and cutter 24 stretches out top sheathed start cover 25 and one gland 26 of tool rest 22, and it is to be incorporated on this tool rest 22 with a rear axle 27 that start overlaps 25; Touch start cover 25 by pressing this gland 26 to press, make this start cover 25 take these rear axle 27 pivot parts as fulcrum, move to holding paper district 21 and apply pressure to cutter 24, and the paper that holds paper district 21 is produced the punching effect; After paper punching finishes, lax this gland 26 press strength, gland 26 sees through the elastic-restoring force of spring 23, cutter 24 is moved up return back to original position.

Though this common card punch can be reached the purpose of paper perforating, still there are following several problems in the mode that this cutter start is replied:

1, this spring is to be extended through the cutter outer rim with vertical type, so this tool rest need increase longitudinally upright space of integral body, in order to the space of accommodating this spring, also thereby easily causes the height of integrated member or volume to increase the cost of relative raising card punch.

2, the spring of cutter start answer is upright form, and with its elastic compression stroke that presses down, spring also can give the relatively impedance strength of increase, the spring escape when this impedance strength not only easily causes assembling; And the resistance that this hand start perception is pressed obviously increases.

Other has an essential structure such as aforementioned similar card punch, as shown in Figure 8, it is with torque spring 28 starts that the start of this cutter 24 is replied, though this is assembled the more aforementioned spring that presses 23 of mode for low, right this torque spring 28 is the rotating fulcrum rear axles 27 that are sheathed on start cover 25, and the pressure foot 29 that torque spring 28 2 sides are stretched out is to locate respectively to press in tool rest 22 and start to overlap 25 inboards, because the impedance strength of the pressure foot 29 of this two side is large, situation occurs easily to cause escape or walk etc. in when assembling; And this torque spring 28 is when assembling and dismantling, and this pressure foot 29 has the top of abrupt release elastic force to pull, the very easily fracture of build-up of pressure foot 29, and have the moment bullet to fly the safety concerns of the person of hurting sb.'s feelings; So for the puzzlement of above-mentioned prior art, the necessity of solving is arranged in fact.

Summary of the invention

The utility model technical issues that need to address have provided the card punch of a kind of tool rest band flexure strip mechanism, are intended to solve the above problems.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model comprises: a pedestal, at least one cutter, a gland; These pedestal both sides at least respectively arrange a tool rest, these tool rest two respective side be provided with directly to wear groove, the top installs for this cutter, this cutter traverse is to wearing a front axle, this gland is incorporated into start cover upside, this start is overlapped each correspondence and is covered at this cutter upside, and this start cover rear side is hubbed at this tool rest, moves down punching for this start cover and this gland with this this cutter of drive that is pivoted; Also comprise:

Each cooperates this cutter a flexure strip mechanism that can store the plate kenel of elastic energy is installed; This flexure strip is the lengthy motion picture shape, one end is the joint portion of being fixed in tool rest, another end is to be bent to form freely abutting end, this joint portion is the gradually Actuator Division of large and inclination sheet, inclination angle towards this abutting end, this joint portion is fixed on this tool rest, the conflict front axle downside of this cutter of this abutting end, this flexure strip can be with this cutter simultaneous displacement starts, and have simultaneously the elastic force of this cutter elastic recovery to original position is provided.

Compared with prior art, the beneficial effects of the utility model are:

1, the utility model cutter start response agency is the flexure strip cooperation cutter assembling with the plate kenel, because the Actuator Division of flexure strip is the bent elastic energy that stores an inclination kenel, the vertical spring that is different from prior art needs to uphold longitudinally and compression, and occupy a larger vertical spatial accommodation, and the utility model because of the Actuator Division be the bending skewed, diminish so occupy vertical accommodation space of tool rest, relatively also reduce the height of card punch.

2, flexure strip precompression of the present utility model is little, and after tool rest was fixed in the joint portion of this flexure strip, this abutting end only need touch the front bar place that links in cutter, so should assemble Simple fast, correct, can promote the packaging efficiency of finished product.

When 3, if flexure strip of the present utility model has fracture to separate, because this lamellar body one end is in conjunction with being fixed in tool rest, and another end is the front bar that is connected with cutter, and this flexure strip is for a light weight and is the lamellar body of plate kenel, therefore the unlikely moment bullet safety concerns that flies to hurt sb.'s feelings that causes.

4, flexure strip of the present utility model is pressed with the stroke that presses cutter, the Actuator Division is to store this elastic energy in the middle of pressing, in order to this flexible restoring force of performance, because flexure strip is fixed by joint portion one end, and the another end abutting end is to be the inclination free end after the bending, therefore the resistance of flexure strip can not increase with the stroke that presses, and the resistance that hand start perception is pressed comparatively relaxes.

Description of drawings

Fig. 1 is the stereogram of the utility model preferred embodiment.

Fig. 2 is the solid component exploded view of the utility model preferred embodiment.

Fig. 3 is the partly cut-away's stereogram before the utility model preferred embodiment is not moved.

Fig. 4 is the local section cut-away diagram before the utility model preferred embodiment is not moved.

Fig. 5 is the local section cut-away diagram after the utility model preferred embodiment action.

Fig. 6 is the local section cut-away diagram of another preferred embodiment of the utility model flexure strip.

Fig. 7 is partly cut-away's stereogram of existing card punch.

Fig. 8 is partly cut-away's schematic perspective view of another existing card punch.

The specific embodiment

Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail:

In order to reach aforesaid purpose, the technological means that the utility model uses is the card punch that is to provide a kind of tool rest band flexure strip mechanism, and it comprises a pedestal, at least one cutter, a gland; Wherein, these pedestal both sides at least respectively arrange a tool rest, these tool rest two respective side be provided with directly to wear groove, the top installs for this cutter, this cutter traverse is to wearing a front axle, and this gland is incorporated into this start cover upside, and this start is overlapped each correspondence and covered at this cutter upside, this start cover rear side is hubbed at this tool rest, moves down punching for this start cover and this gland with this this cutter of drive that is pivoted; Also comprise:

Each cooperates this cutter a flexure strip mechanism that can store the plate kenel of elastic energy is installed; This flexure strip is the lengthy motion picture shape, one end is the joint portion of being fixed in tool rest, another end is bending and be to tilt freely Actuator Division abutting end, this joint portion is the gradually Actuator Division of large and inclination sheet, inclination angle towards this abutting end, wherein this joint portion is fixed on this tool rest, the conflict front axle downside of this cutter of this abutting end, this flexure strip can be with this cutter simultaneous displacement starts, and have simultaneously the elastic force of this cutter elastic recovery to original position is provided.

The card punch of aforesaid tool rest band flexure strip mechanism, wherein, the joint portion of this flexure strip is provided with trepanning, cooperates spigot to be fixed on the tool rest.

The card punch of aforesaid tool rest band flexure strip mechanism, wherein, the abutting end of this flexure strip opening shape that takes the shape of the letter U is sheathed on the downside place that cutter and front axle link.

The card punch of aforesaid tool rest band flexure strip mechanism, wherein, on this each tool rest and this pedestal corresponding position is respectively equipped with a slotted eye, this tool rest is with two slotted eyes of this pedestal aims at shape, the joint portion of this flexure strip of confession is stretched to establish and is incorporated in these two slotted eyes that are aligning, and the abutting end of this flexure strip contacts at the downside of this cutter and front axle binding.

The utility model is the card punch of a kind of tool rest band flexure strip mechanism, and this elastic mechanism is to assemble with a flexure strip, and the utility model can adapt to the hole card punch for single hole or two holes or porous, at this utility model only with the card punch explanation of two holes; As shown in Figure 1 and Figure 2, this card punch still comprises basically: a pedestal 30, at least one cutter 40, a gland 50; Wherein, these pedestal 30 1 sides form the appearance paper district 31 that class's face is put for paper, respectively are provided with a tool rest 32 in pedestal 30 both sides, link this cutter 40 in order to install; The rear side of tool rest 32 be provided with ringent pivot groove 33, two respective side then be provided with directly to wear groove 34, the top is provided with a perforation 35 and installs for this cutter 40, these cutter 40 nearly middle sections are provided with connect apertures 41; And this gland 50 is to produce the punching action in order to voltage-controlled cutter 40, so gland 50 is being to link two starts cover 42 towards cutter 40 these sides, make each start overlap the upside that 42 correspondences cover at each cutter 40, tool rest 32, one front axle 36 is to wear respectively connect apertures 41 location that this is worn groove 34 and crosses this cutter 40, one rear axle 37 is respectively by start cover 42, pivot groove 33, start cover 42 is hubbed on the tool rest 32, can moves as fulcrum produces take the pivot groove 33 of tool rest 32 in order to make things convenient for this gland 50 and start cover 42; But the general structure of this card punch is not the utility model characteristics, repeats no more in this.

Characteristics of the present utility model are to be that each cutter 40 cooperates a flexure strip 60 mechanisms, this flexure strip 60 is elasticity lengthy motion picture shape, it has two ends, one end is the joint portion 61 of being fixed in tool rest 32, offer a trepanning 62 on the joint portion 61, another end is bending and be to tilt freely abutting end 64, and this abutting end 64 is the opening shapes that take the shape of the letter U, and bends the gradually Actuator Division 63 of large and skewed lamellar body, inclination angle and should be form one between joint portion 61 and abutting end 64.

The utility model card punch is when assembling, see also Fig. 2, shown in Figure 4, these tool rest 32 1 ends are can be fixedly arranged on this pedestal 30, this flexure strip 60 passes through this trepanning 62 by a spigot 65, joint portion 61 and tool rest 32 1 ends are fixed on the pedestal 30 simultaneously, and the Actuator Division 63 of bending is to be skewed, make the perforation 35 at U-shaped shape opening abutting end 64 these tool rest 32 tops of aligning of Actuator Division 63,40 groups on this cutter is passed perforation 35, the abutting end 64 of flexure strip 60 and entering in the spatial accommodation of tool rest 32, this front axle 36 passes across the groove 34 of wearing of tool rest 32 and ties with connect apertures 41 pivots of cutter 40, make the abutting end 64 of Actuator Division 63 be positioned at front axle 36 downsides conflict binding, secondly, start cover 42 cooperates this rear axle 37 to be hubbed on the pivot groove 33 of tool rest 32, this gland 50 is to overlap 42 pivots knots with start, in order to do to finish the assembling of card punch flexure strip 60 mechanisms.

Please referring again to Fig. 3, shown in Figure 4, when the utility model card punch does not move in tool bodies 40, this flexure strip 60 is that joint portion 61 take trepanning 62 is as fixed pivot, and the abutting end 64 of Actuator Division 63 is to contact at the downside that cutter 40 and front axle 36 link, and flexure strip 60 is to be the free state that bending is tilted to.

Please cooperate Fig. 4, shown in Figure 5, in the time will getting the paper hole, press this gland 50 to make this start cover 42 of its interlock, and take this rear axle that is pivoted 37 as fulcrum, make 42 pairs of cutters of start cover 40 produce the action that compresses, the top pressurized of cutter 40 supports and terminal cutting edge is moved to holding paper district 31, and this front axle 36 of simultaneous linkage and press down the Actuator Division 63 of this flexure strip 60, make Actuator Division 63 be the lamellar body that free folding is tilted to originally, the front bar 36 that linked by cutter 40 presses, and form and the dwindling of pedestal 30 angle hither plane shapes, these cutter 40 terminal cutting edges are by holding the paper in paper district 31, in order to finish the punching of this object paper; Secondly, after paper punching is finished, lax this gland 50 press strength, gland 50 and start cover 42 can see through flexure strip 60 that this quilt presses in the Actuator Division 63 elastic energies that store, lose when pressing power and discharge in gland 50, to produce a back stretch, the front axle 36 that this cutter 40 is linked upwards raises, until front axle 36 is resisted against the top of tool rest 32 and stops, and the lamellar body that is the inclination free state for bending is replied in the Actuator Division 63 of this flexure strip 60.

Other sees also shown in Figure 6, to be the utility model flexure strip 60 another better combinations, the utility model respectively offers the slotted eye (320,38) of a hole bit alignment in this each tool rest 32 and pedestal 30 corresponding tool rests 32 junctions, the joint portion 61 of this flexure strip 60 is to stretch to establish in the slotted eye (320,38) that is incorporated into this aligning, allow joint portion 61 stretch into pedestal 30 inside via slotted eye (320,38), and be subject to the obstruct of pedestal 30, and the abutting end 64 of this flexure strip 60 is the downsides that can contact at this cutter 40 and front axle 36 bindings; So also can reach the purpose of finishing this punching start with this flexure strip 60.

The above only is the schematic specific embodiment of the utility model, is not to limit scope of the present utility model.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong in the scope of the utility model protection.

Claims (4)

1. the card punch of a tool rest band flexure strip mechanism comprises: a pedestal, at least one cutter, a gland; Wherein these pedestal both sides at least respectively arrange a tool rest, these tool rest two respective side be provided with directly to wear groove, the top installs for this cutter, this cutter traverse is to wearing a front axle, this gland is incorporated into start cover upside, this start is overlapped each correspondence and is covered at this cutter upside, and this start cover rear side is hubbed at this tool rest, moves down punching for this start cover and this gland with this this cutter of drive that is pivoted; Characterized by further comprising:

Each cooperates this cutter a flexure strip mechanism that can store the plate kenel of elastic energy is installed; This flexure strip is the lengthy motion picture shape, one end is the joint portion of being fixed in tool rest, another end is to be bent to form freely abutting end, this joint portion is the gradually Actuator Division of large and inclination sheet, inclination angle towards this abutting end, wherein this joint portion is fixed on this tool rest, the conflict front axle downside of this cutter of this abutting end, this flexure strip can be with this cutter simultaneous displacement starts, and have simultaneously the elastic force of this cutter elastic recovery to original position is provided.

2. the card punch of tool rest band flexure strip as claimed in claim 1 mechanism is characterized in that the joint portion of this flexure strip is provided with trepanning, cooperates spigot to be fixed on the tool rest.

3. the card punch of tool rest band flexure strip as claimed in claim 2 mechanism is characterized in that, the abutting end of this flexure strip opening shape that takes the shape of the letter U is sheathed on the downside place that cutter and front axle link.

4. the card punch of tool rest band flexure strip as claimed in claim 1 mechanism, it is characterized in that, on this each tool rest and this pedestal corresponding position is respectively equipped with a slotted eye, this tool rest is with two slotted eyes of this pedestal aims at shape, the joint portion of this flexure strip of confession is stretched to establish and is incorporated in these two slotted eyes that are aligning, and the abutting end of this flexure strip contacts at the downside of this cutter and front axle binding.

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