CN207415419U - The cutter that blade can not take out when a kind of cutter head rotates - Google Patents

Abstract

The cutter that blade can not take out when a kind of cutter head rotates, including upper coverboard, upper handle and lower handle；Safe locked groove is offered at the top of the lower coverboard, and safe locked groove joint offers spring retainer groove；The safe locked groove, which embeds conjunction, a locking level, and is fitted together in the spring retainer groove that is offered of safe locked groove joint and has spring；The spring one side is in contact with the one side of locking level；It is coupled between the lower handle and lower coverboard；It is in mating connection between the upper handle and lower handle.The utility model is provided with locking level, blade can be locked by using lever principle, wherein lever prolongation has insurance function, closed in cutter cutter head or half opened condition can not unlock blade, it is ensured that knife-head will not unexpected auto-unlocking, reduce previous knife-head and there are problems that security risk, so that using safer, the utility model optimizes with common knife-head compared to production process, and structure optimization is easier to operate to than common cutter head.

Description

The cutter that blade can not take out when a kind of cutter head rotates

Technical field

The utility model is related to during the rotation of decoration instrument of cutting a sheet of paper, cutter technical field of structures more particularly to a kind of cutter head The cutter that blade can not take out.

Background technology

Cutter is more commonly used cutting tool, is generally used for the cutting of paper, cloth, plastic material.At present, market The cutter of upper sale is generally made of handle, cutter head and blade, and cutter head is equipped with the locking mechanism of locking blade, and cutter head can It is fixedly connected with handle or hinged；

The inventors discovered that existing cutter head can opposite handle fold cutter, the locking mechanism that cutter head is equipped with Also operable when cutter head opposite handle rotates, when cutter head opposite handle rotates being susceptible to maloperation causes blade to come off, There are some potential safety problemss.

Then, inventor in view of this, adhere to that the relevant industries for many years enrich design and develop and the experience of actual fabrication, Improvement is studied for existing structure and missing, the cutter that blade can not take out when a kind of cutter head rotates is provided, to Achieve the purpose that with more more practical value.

Utility model content

The goal of the invention of the utility model is above-mentioned in order to solve the problems, such as, it is desirable to provide a kind of blade is only in knife Head opposite handle could take out when opening completely, the cutter that blade can not take out when safe cutter head rotates, to solve Existing knife-head clamping fixed effect mentioned above in the background art is poor, knife-head under unused state if Impacted be subject to the external world, knife-head easily can auto-unlocking, easily damaged to surrounding people, have the larger safety hidden The problem of suffering from.

The purpose and effect for the cutter that blade can not take out when the utility model cutter head rotates, by technology hand in detail below Section is reached：

The cutter that blade can not take out when a kind of cutter head rotates, wherein, U.S. that blade can not take out when which rotates Work knife includes：

Upper coverboard, lower coverboard, retainer ring, locking level, bayonet lock, stopper pin, press section, spring, bar hole, safe locked groove, Spring retainer groove, upper handle, lower handle；

Safe locked groove is offered at the top of the lower coverboard, and safe locked groove joint offers spring retainer groove；The peace Being fitted together in full locked groove has locking level, and is fitted together in the spring retainer groove that is offered of safe locked groove joint and has spring；The bullet Spring one side is in contact with the one side of locking level；Bar hole is offered at the top of the upper coverboard, and upper coverboard bottom is offered under The slot that the safe locked groove opened up at the top of coverboard matches；It is interlocked between the upper coverboard and lower coverboard；The locking level one The connected control lever in end is engaged with the bar hole opened up at the top of upper coverboard；The upper handle at the top of upper coverboard with offering item Retainer ring is equipped between shape hole location, and is coupled between upper handle and upper coverboard；Phase between the lower handle and lower coverboard Axis connects；It is in mating connection between the upper handle and lower handle, bayonet lock, stopper pin and press section are installed on the locking level, The cutter head is made of upper coverboard and lower coverboard, and the two surrounds the plant chamber for inserting blade, the bayonet lock and stopper pin and locking Bar is integrally formed, and can so reduce shaping grinding apparatus, reduces cost, and is integrally formed the stabilization that can ensure each component connection Property, the locking level is equipped with press section, as shown in Figure 1, the gathering hole that the press section is equipped with from cutter head back stretches out, the knot Structure, when needing to operate locking level, only can carry out locking level convenient for users to operating locking level with thumb press press section Lever motion, the locking mechanism include axis pin, locking level and spring, and the locking level is mounted on the slot position that lower coverboard is equipped with Interior, the spring shape is V-shaped, and its one end is abutted with the downside at locking level rear portion, and the other end is abutted with the cell wall of slot position, institute The forepart for stating locking level is equipped with the bayonet lock coordinated with the bayonet of blade, and the rear portion of the locking level is provided with stopper pin, upper coverboard Upper position corresponding with stopper pin is provided with straight slot, and position corresponding with straight slot is provided with using connected nail as the center of circle on upper handle Arc guide groove, stopper pin is through straight slot until stretching into arc guide groove.

Further, slided in the bar hole that the control lever that described locking level one end is connected is opened up along at the top of outer plate.

With existing structure in comparison, the utility model has the following advantages that：

1. the utility model is provided with locking level, blade, wherein lever prolongation can be locked by using lever principle With insurance function, closed in cutter cutter head or half opened condition can not unlock blade, it is ensured that knife-head will not be unexpected Auto-unlocking reduces previous knife-head and there are problems that security risk so that use is safer.

2. the utility model optimizes with common knife-head compared to production process, cost is reduced；Structure optimization, than common Cutter head is easier to operate to.

3. by the cooperation of straight slot and arc guide groove, cutter head opposite handle rotation process middle groove and arcuate guide are utilized Slot intersects, and intersection is few, and arc guide groove can carry out stopper pin to stop and be allowed to not move relative to straight slot, at this time locking level Front end, which can not lift, makes bayonet lock depart from bayonet, and blade can not take out when being rotated so as to fulfill cutter head opposite handle, safe, knot Structure simple and stable.

Description of the drawings

Fig. 1 splits schematic diagram for the utility model cutter head；

Fig. 2 is the utility model assembly fractionation structural representation；

Fig. 3 forms structure diagram for the utility model；

Fig. 4 is the structure diagram of the utility model locking level；

Fig. 5 is bayonet lock when the utility model cutter head opposite handle turns an angle, straight slot and arc guide groove cooperation Schematic diagram.

In figure：1st, upper coverboard, 2, lower coverboard, 3, retainer ring, 4, locking level, 41, bayonet lock, 42, stopper pin, 43, pressing Portion, 5, spring, 6, bar hole, 7, safe locked groove, 8, spring retainer groove, 9, upper handle, 10, lower handle.

Specific embodiment

In the following, will be explained in the embodiment of the utility model, the example is shown in the accompanying drawings and the description below.It although will The utility model is described with reference to exemplary embodiment, it is to be understood that the description does not really want the utility model to be limited to this to show The embodiment of example property.On the contrary, the utility model will not only cover the exemplary embodiment, but also cover various replacements, Change, equivalent and other embodiment, can be included in the spirit and model of the utility model as defined in the appended claims In enclosing.

Referring to Fig. 1 to attached drawing 3, a kind of blade can not take out when cutter head rotates cutter includes：

Upper coverboard 1, lower coverboard 2, retainer ring 3, locking level 4, bayonet lock 41, stopper pin 42, press section 43, spring 5, bar shaped Hole 6, safe locked groove 7, spring retainer groove 8, upper handle 9, lower handle 10；

Lower 2 top of coverboard offers safe locked groove 7, and 7 joint of safe locked groove offers spring retainer groove 8；Safety lock Being fitted together in slot 7 has a locking level 4, and safe locked groove 7 connects to being fitted together in the spring retainer groove 8 that place offers spring 5；Spring 5 One side is in contact with the one side of locking level 4；Upper 1 top of coverboard offers bar hole 6, and 1 bottom of upper coverboard offers and lower casing The slot that the safe locked groove 7 that 2 top of plate is opened up matches；It is interlocked between upper coverboard 1 and lower coverboard 2；4 one end of locking level connects The control lever connect is engaged with the bar hole 6 that upper 1 top of coverboard is opened up；Upper handle 9 offers bar hole 6 with upper 1 top of coverboard Retainer ring 3 is equipped between position, and is coupled between upper handle 9 and upper coverboard 1；Phase axis between lower handle 10 and lower coverboard 2 It connects；It is in mating connection between upper handle 9 and lower handle 10, bayonet lock 41, stopper pin 42 and press section are installed on the locking level 4 43, the cutter head is made of upper coverboard 1 and lower coverboard 2, and the two surrounds the plant chamber for inserting blade, the bayonet lock 41 and stopper pin 42 are integrally formed with locking level 4, can so reduce shaping grinding apparatus, reduce cost, and integrated molding can ensure that each component connects The stability connect, the locking level 4 is equipped with press section 43, as shown in figure 4, the behaviour that the press section 43 is equipped with from cutter head back Make mouth stretching, the structure is convenient for users to operating locking level 4, when needing to operate locking level 4, only with thumb press press section 43 Locking level 4 can be made to carry out lever motion, the locking mechanism includes axis pin, locking level 4 and spring 5, and the locking level 4 is installed In the slot position being equipped on lower coverboard 2,5 shape of spring is V-shaped, and its one end is abutted with the downside at 4 rear portion of locking level, another One end is abutted with the cell wall of slot position, and the forepart of the locking level 4 is equipped with the bayonet lock 41 coordinated with the bayonet of blade, the locking level 4 rear portion is provided with stopper pin 42, is provided with straight slot on upper coverboard 1 with 42 corresponding position of stopper pin, on upper handle 9 with straight slot Corresponding position is provided with the arc guide groove using connected nail as the center of circle, and stopper pin 42 is through straight slot until stretching into arc guide groove In.

The preferred embodiment for the cutter that blade can not take out when cutter head as described above rotates, wherein, locking level 4 one It is slided in the bar hole 6 that the connected control lever in end is opened up along 1 top of outer plate, by the utilization lever principle for setting locking level 4 Blade is locked, wherein lever prolongation has insurance function, is closed in cutter cutter head or half opened condition can not unlock knife Piece, it is ensured that knife-head will not unexpected auto-unlocking, reduce previous knife-head and there are problems that security risk so that use It is safer.

The operation principle of the present embodiment：

The utility model is provided with locking level 4, and 4 one end of locking level control lever for being connected is opened up along 1 top of outer plate It is slided in bar hole 6, the utility model knife-head locks blade by using lever principle, and wherein lever prolongation has Insurance function closes in cutter cutter head or half opened condition can not unlock blade, it is ensured that knife-head will not be surprisingly automatic It unlocks, reduces previous knife-head and there are problems that security risk so that use is safer, and the utility model is with common U.S. Work cutter head optimizes compared to production process, and cost is reduced；Structure optimization is easier to operate to than common cutter head.

It should be noted that the standardized element that uses of the utility model can commercially, shaped piece according to Specification and attached drawing record can carry out customized, and the specific connection mode of each part is using ripe in the prior art The conventional means such as bolt, rivet, welding, machinery, part and equipment are using in the prior art, conventional model, inventor This will not be detailed here.

In conclusion although the utility model is described in detail with reference to the foregoing embodiments, for this field For technical staff, it can still modify to the technical solution recorded in foregoing embodiments or to which part Technical characteristic carries out equivalent substitution, within the spirit and principle of the utility model, any modification for being made, equivalent substitution, Improve etc., it should be included within the scope of protection of this utility model.

Claims (2)

1. a kind of cutter that blade can not take out when cutter head rotates, it is characterised in that：Blade can not when the cutter head rotates The cutter of taking-up includes：

Upper coverboard, lower coverboard, retainer ring, locking level, bayonet lock, stopper pin, press section, spring, bar hole, safe locked groove, spring Limiting slot, upper handle, lower handle；

Safe locked groove is offered at the top of the lower coverboard, and safe locked groove joint offers spring retainer groove；The safety lock Being fitted together in slot has a locking level, and is fitted together in the spring retainer groove that is offered of safe locked groove joint and has spring；The spring one Side is in contact with the one side of locking level；Bar hole is offered at the top of the upper coverboard, and upper coverboard bottom offers and lower coverboard The slot that the safe locked groove that top is opened up matches；It is interlocked between the upper coverboard and lower coverboard；Locking level one end institute The control lever of connection is engaged with the bar hole opened up at the top of upper coverboard；The upper handle at the top of upper coverboard with offering bar hole Retainer ring is equipped between position, and is coupled between upper handle and upper coverboard；It is coupled between the lower handle and lower coverboard； It is in mating connection between the upper handle and lower handle, bayonet lock, stopper pin and press section, the knife are installed on the locking level Head is made of upper coverboard and lower coverboard, and the two surrounds the plant chamber for inserting blade, the bayonet lock and stopper pin and locking level one Shaping, the locking level are equipped with press section, and the gathering hole that the press section is equipped with from cutter head back stretches out, the locking mechanism Including axis pin, locking level and spring, the locking level is mounted in the slot position that lower coverboard is equipped with, and the spring shape is V-shaped, Its one end is abutted with the downside at locking level rear portion, and the other end is abutted with the cell wall of slot position, the forepart of the locking level be equipped with The bayonet lock of the bayonet cooperation of blade, the rear portion of the locking level are provided with stopper pin, position corresponding with stopper pin on upper coverboard It is provided with straight slot, position corresponding with straight slot is provided with the arc guide groove using connected nail as the center of circle on upper handle, and stopper pin is worn Straight slot is crossed until stretching into arc guide groove.

The cutter that blade can not take out when 2. cutter head according to claim 1 rotates, it is characterised in that：The locking level It is slided in the bar hole that the control lever that one end is connected is opened up along at the top of outer plate.