CN201579762U

CN201579762U - Effort-saving stapling machine

Info

Publication number: CN201579762U
Application number: CN200920294815XU
Authority: CN
Inventors: 高建永
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-17
Filing date: 2009-12-17
Publication date: 2010-09-15
Anticipated expiration: 2019-12-17

Abstract

The utility model discloses an effort-saving stapling machine, comprising an upper handle, an upper cover and a lower handle, wherein the upper handle comprises a middle frame; a middle frame sleeve and a needle pusher can be installed in the middle frame in a sliding way; the upper cover comprises a nail striking sheet; the stapling machine is characterized in that the upper handle comprises a pivot hole, a linkage hole and a fixing hole; the pivot hole corresponds to the pivot hole of the upper cover and is combined through the pivot of a first connection piece to lead the pivot hole of the upper handle to be a pressing supporting point; the linkage hole corresponds to the linkage hole of the lower handle and is combined through the rivet of a second connection piece to lead the rivet of the second connection piece to slide in the linkage hole of the lower handle; the fixing hole corresponds to the fixing hole of the middle frame and is combined through the rivet of a third connection piece; the lower handle is also provided with a connection hole to be connected with the tail end of the upper cover; the connection hole of the lower handle is the connection point of the upper cover and the lower handle; and the effort-saving aim is achieved through two lever mechanisms.

Description

A kind of labor-saved stapler

Technical field

The utility model designs a kind of stapler, relates in particular to a kind of labor-saved stapler.

Background technology

Stapler has become indispensable stationery in industrial and commercial society, and the bookbinding of file, the arrangement of data all must be used stapler; In view of stapler uses extensively frequently, a stapler with laborsaving effect has become user's first-selection;

As the patent No. is that the Chinese patent of CN2902712 discloses a kind of labor-saved stapler, include laborsaving bar assembly, laborsaving bar assembly comprises a laborsaving bar and a connecting rod, laborsaving rod rear end is hubbed on the fixed mount, and be positioned at staple casket rear end, depression bar rear end and casket cover back-end top, the connecting rod front end is hubbed on the depression bar, and the rear end is hubbed on the laborsaving bar; Utilize laborsaving bar, connecting rod and fixed mount in the certain location combination, and form the arm of force of length-specific, reach the labor-saving effect;

And for example the patent No. is that 200710160607.6 Chinese patent discloses labor-saved stapler, include a base, one pin casket, two connecting rods, one depression bar and an enclosing cover, utilize the particular length of the arm of force, can save sixty percent the application of force and reach, wherein the assembly of stapler of the present invention is in conjunction with articulating with single fulcrum, has the advantage that easy processing need not be considered position, hole precision, and enclosing cover two ends and depression bar are when compressing, all pass on the strength of exerting pressure with the face contact, making depression bar have the effect that better structural strength and enclosing cover drive depression bar really, is that one to possess structural strength simultaneously good really, handling ease and can reach the stapler of preferable labor-saving effect;

Stapler has although it is so all satisfied the labour-saving requirement, but complex structure, and assembling, manufacturing procedure are loaded down with trivial details.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of labor-saved stapler, and the labor-saving effect is good, easily processing, easy to operate.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of labor-saved stapler includes:

One upper handle comprises middle frame, and middle frame cover, needle propeller are slidably mounted in the middle frame;

One loam cake comprises the nail hitting sheet;

One lower handle;

It is characterized in that:

Described upper handle comprises that a pivot hole, that is positioned at upper forepart is positioned at the fixing hole that down anterior interlock hole and is positioned at the rear portion, and described pivot hole is corresponding to the pivot hole of loam cake, and with the first connector pivot combination, makes the pivot hole of upper handle for pushing fulcrum,

The interlock hole of front portion is corresponding to the interlock hole of lower handle under the described upper handle, and connect with the second connector rivet, the second connector rivet can be slided in the interlock hole of lower handle, and the fixing hole at described upper handle rear portion is corresponding to the fixing hole of middle frame, and with the 3rd connector rivet in conjunction with connection;

Described lower handle middle and upper part also is provided with a connecting hole, is connected with the end of loam cake, and the connecting hole of lower handle is the tie point of loam cake, lower handle.

As improvement, described tie point to the distance of pushing fulcrum with push fulcrum to the ratio of the distance of nail hitting sheet at 0.7-1.3: 1, the distance of press-side to the second connector rivet of described lower handle and the distance ratio of tie point to the second connector rivet are at 2.8-3.2: 1.

As improvement, the terminal part of described middle frame is connected with a switch rotationally and buckles, and the two side of switch button cooperates with two side, the end clamping of middle frame cover.

Improve again, described switch button and plastics upper handle madial wall are supported with the switch stage clip, the through hole that switch penetrates the plastics upper handle is plugged in the centre bore of switch pushing block, switch spring one end buckles on the switch pushing block, the other end is conflicted and is buckled on switch, and the jut of the jut of switch pushing block and switch button is inconsistent.

As improvement, described in the built-in pin of frame, spring housing places on the pin, and spring one end and middle frame end stop block is inconsistent, the other end and needle propeller are inconsistent, make needle propeller remain outside trend.

Improve, described nail hitting sheet two upper lateral parts respectively form a flange, match with the confined planes of loam cake front end, the nail hitting sheet is installed in covers again.

At last, described upper handle, lower handle, loam cake are placed in their peripheries separately with plastics upper handle, lower handle leather sheath, plastic cap respectively.

Compared with prior art, advantage of the present utility model is: by two leverages, have preferable labor-saving effect, and simple and practical, and also compact; Nail hitting sheet and loam cake independence member, are saved processing cost at easily processing, and be simple in structure, assembling simultaneously is also easy; The switch button fastens with middle frame cover and is connected, makes things convenient for the taking-up of staple and puts into; Outside with the plastic sheath coating, waterproof is antirust, holds comfortable during use.

Description of drawings

Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model;

Fig. 2 moves to the view of a half for the utility model;

Fig. 3 is the movement locus figure of the lower handle of Fig. 2;

Fig. 4 is the loam cake movement locus figure of Fig. 2;

Fig. 5 is a working state schematic representation of the present utility model;

Fig. 6 is an inactive state stereogram of the present utility model.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1: a kind of labor-saved stapler, comprise upper handle 1, lower handle 2 and loam cake 3, the sidewall of described upper handle 1 upper forepart has the pivot hole 12 of a upper forepart, the fixing hole 11 at a Qian Bu interlock hole 13 and a rear portion once, the pivot hole 12 of the upper forepart of described upper handle is corresponding to the pivot hole 31 of loam cake 3, and with the first connector loam cake in midair rivet 35 rivet versatilely as pivot and couple together, the interlock hole 13 of described front portion down is corresponding to the interlock hole 22 of lower handle 2, and with the rivet 24 riveted joint combinations in midair of the second connection lower handle, opposite side is fixed with male rivet 150, make second connect lower handle in midair rivet 24 can in the interlock hole 22 of lower handle 2, slide, the fixing hole 11 at the rear portion of described upper handle is corresponding to the fixing hole 62 of middle frame 6, and with the rivet 15 riveted joint combinations in midair of the 3rd connector upper handle, opposite side is fixed with male rivet 150; Both sides, the middle and upper part protruding pinna of described lower handle 2 respectively is provided with a connecting hole 21, the circular protrusions 36 of correspondence and loam cake 3 both-side ends portions, and circular protrusions 36 is interted in the connecting hole 21 of protruding pinna, and loam cake 3 is flexibly connected mutually with lower handle 2;

Make the pivot hole 12 of upper forepart of upper handle 1 for pushing fulcrum C, the connecting hole 21 of lower handle protruding pinna is the tie point B of loam cake 3, lower handle 2, pushes the press-side D of lower handle, and interlock lower handle 2 is tilted upward, forcing down of loam cake 3 holds A to having a downwarp, and forces nail hitting sheet 4 to finish the nail hitting action; Described tie point B to the distance of pushing fulcrum C with push fulcrum C to the ratio of the distance of nail hitting sheet 4 at 0.7-1.3: 1, press-side D to the second connector lower handle of described lower handle in midair rivet 24 distance and tie point B to the second connector lower handle in midair the distance ratio of rivet 24 at 2.8-3.2: 1, present embodiment adopted 3: 1, shown in Fig. 2,3,4,5; Leverage by being connected has increased the arm of force on the lower handle greatly like this, thereby greatly reduces the operation strength of pushing lower handle with hand, obtains the labour-saving purpose.

Frame 6 is arranged in the cavity of upper handle 1 in described, and middle frame 6 upper surfaces and loam cake 3 inwalls are supported with pagoda spring 130, and frame 6 lower surfaces and upper handle 1 inwall are supported with down pagoda spring 120 in the while, when external force is cancelled, play reset response; Middle frame cover 5 and needle propeller 7 are slidably disposed in the middle frame 6, in frame 6 be built-in with pin 10, spring 110 is placed on the pin 10, and the terminal stop block of spring 110 1 ends and middle frame 6 61 is inconsistent, the other end and needle propeller 7 are inconsistent, make needle propeller 7 remain outside trend;

The terminal two side of frame cover 5 respectively forms a latch 52 in described, cooperate with the latch 82 of switch button 8 two sides, switch button 8 terminal two sides respectively have a through hole 81, with upper handle in midair rivet 35 be connected with middle frame 6 with upper handle 1 in the lump, switch button 8 can be around upper handle rivet 35 rotations in midair, switch button 8 upwardly opens, the latch 52 of frame cover 5 and switch are buckled 8 latch 82 disengagings in making, thereby frame cover 5 in can pulling out, switch button 8 fastens downwards, the latch 52 of frame cover matches with the latch 82 that switch is buckled in making, and frame cover 5 is fixed in the middle frame 6 in making; Described switch button 8 is supported with switch stage clip 140 with plastics upper handle 14 madial walls, and the through hole 141 that switch 92 penetrates plastics upper handle 14 is plugged in the centre bore 91 of switch pushing block 9, switch 92 is connected with switch pushing block 9, switch spring 93 1 ends buckle on switch pushing block 9, the other end is conflicted and to be buckled on plastics

upper handle

92, and 83 inconsistent cooperations of jut of the jut 94 of switch pushing block 9 and switch button 8; Toggle switch drives switch pushing block 9 and slides, and makes the jut 94 of switch pushing block 9 inconsistent with switch button 8 juts 83, thereby switch button 8 is upwardly opened; During openhanded opening, by the reset force of switch spring 93, the jut 94 and switch button 8 juts 83 of switch pushing block 9 are separated, and fasten middle frame cover 5 thereby switch button 8 is rotated.

4 liang of upper lateral parts of described nail hitting sheet respectively form a flange 41, match with the confined planes 32 of loam cake 3 front ends, nail hitting sheet 4 is fixed on the loam cake 3, avoided disposable stamping forming difficulty, crotch 63 places of frame 6 front end moulding during nail hitting sheet 4 centre bores 42 are set in, crotch 63 can slide in centre bore 42, and loam cake packet header 33 is nested with at loam cake 3 front ends and fixes; Needle plate 16 is fixed on the madial wall of upper handle 1 front end, and is corresponding with nail hitting sheet 4;

Described upper handle 1, lower handle 2, loam cake 3 are placed in their peripheries separately with plastics upper handle 14, lower handle leather sheath 23, plastic cap 34 respectively, can waterproof make stapler be difficult for getting rusty, and hold when using more comfortable.

Claims

1. labor-saved stapler includes:

One loam cake comprises the nail hitting sheet;

One lower handle;

It is characterized in that:

2. labor-saved stapler according to claim 1, it is characterized in that: described tie point to the distance of pushing fulcrum with push fulcrum to the ratio of the distance of nail hitting sheet at 0.7-1.3: 1, the distance of press-side to the second connector rivet of described lower handle and the distance ratio of tie point to the second connector rivet are at 2.8-3.2: 1.

3. labor-saved stapler according to claim 1 is characterized in that: the terminal part of described middle frame is connected with a switch rotationally and buckles, and the two side of switch button cooperates with two side, the end clamping of middle frame cover.

4. labor-saved stapler according to claim 3, it is characterized in that: described switch button and plastics upper handle madial wall are supported with the switch stage clip, the through hole that switch penetrates the plastics upper handle is plugged in the centre bore of switch pushing block, switch spring one end buckles on the switch pushing block, the other end is conflicted and is buckled on the plastics upper handle, and the jut of switch pushing block cooperates with the jut of switch button is inconsistent.

5. labor-saved stapler according to claim 1, it is characterized in that: the built-in pin of frame in described, spring housing places on the pin, and spring one end and middle frame end stop block is inconsistent, the other end and needle propeller are inconsistent, make needle propeller remain outside trend.

6. labor-saved stapler according to claim 1 is characterized in that: described nail hitting sheet two upper lateral parts respectively form a flange, match with the confined planes of loam cake front end, the nail hitting sheet is installed in covers.

7. labor-saved stapler according to claim 1 is characterized in that: described upper handle, lower handle, loam cake are placed in their peripheries with plastics upper handle, lower handle leather sheath, plastic cap respectively.