CN2432015Y - Adjustable safety device for nailing gun - Google Patents

Abstract

The utility model relates to an adjustable safety device for a nail shoot gun, comprising a pivot seat on which a linking sheet is formed, and one end of the linking sheet is formed with a pivot rod; a drive member on which a drive sleeve mutually sheathed and closed with the pivot rod is formed, and one end of the drive sleeve is formed with a drive screw, an adjusting knob sheathed on the drive sleeve through a sheathing and closing hole of the adjusting knob and a safety member which comprises a linking rod and a round bar-shaped operating rod. One end of the linking rod is formed with a thread sleeve which and the drive screw are in screw connection. The drive member can be driven by rotating the adjusting knob to make the safety member extend and move, nail shoot depth is adjusted, action of the utility model is stable, and reliability is enhanced.

Description

The adjustable safeties of ail gun

The utility model is the safeties about a kind of ail gun, particularly ail gun.

The ail gun of developing at present, because its air that is mat compresses carries out the power resources of nailing as ail gun, and compressed air its be used as power quite strong, if no safety device prevents the ail gun misoperation, certainly will cause the serious injury of operator easily, for example lift nail during rifle in duration of work as the user, if false touch trigger and pulling the trigger accidentally, the nail pin of this ejaculation will cause the harm that can not expect.

Therefore be provided with safeties in ail gun usually, these safeties mainly are to extend to the trigger place with an insurance trace from rifle mouth place, and by the percussion locking of insurance trace control ail gun, that is trigger side must pull the trigger under the safeties disarm state; See also shown in Figure 1ly, this commonly uses ail gun insurance institution for No. the 261858th, notification number, and it is to cooperate a safety plate 11, to adjust institutes such as piece 12, a spring 13 and a sleeve 14 by the bumper bar 10 that a tail end has a screw thread to constitute; When using the operation ail gun, when bumper bar 10 abuts against the work package surface and through pushing, makes ail gun be the standby shape interlock safety plate 11, user's one button is pressed trigger, can finish the percussion effect; Because the distance that safety plate 11 starts discharge cock is to immobilize, so adjust piece 12 by rotating, move the distance on rifle mouth and work package surface in the time of to change the ail gun start forward or backward and drive bumper bar 10, according to this, can adjust the nailing degree of depth of ail gun.

Above-mentioned insurance adjustment structure but has defective still to be improved on reality is used, that is, this ail gun bumper bar of commonly using location guiding mechanism, when rotate adjusting piece on earth the time, can impel bumper bar and this adjustment piece to produce the segregation phenomenon that gets loose, and because whether the action of safety structure is certain, concern operator or other people's safety therefore must not be careless.

The purpose of this utility model is to provide a kind of adjustable safeties of ail gun, and it is stable to do nailing depth adjustment and insurance action, and the insurance action stability of ail gun and reliability are improved, and reduces the fault of safeties.

The utility model provides a kind of adjustable safeties of ail gun, it is characterized in that comprising:

One pivot seat forms a double-action plate on it, an end of this double-action plate abuts against binding mutually with the ail gun trigger configuration, and the end in addition of double-action plate then forms the hinged arm of a round bar shape;

One actuator, form on it one with this hinged arm hollow actuating sleeve of fit mutually, an end of this actuating sleeve then forms a drive screw, the outer surface in actuating sleeve is provided with plane face rail in addition;

One adjusting knob forms a register hole in it, the inwall of register hole forms with the corresponding plane cover of this face rail and combines harmoniously, and adjusting knob is sheathed on the actuating sleeve with its register hole, and cover combines harmoniously and the corresponding closing of face rail;

One safety piece, the operating bar that comprises a trace and a round bar shape, this trace one end forms a swivel nut and drive screw is screwed, and operating bar is to be pivoted to be positioned the carrier ring of plate one moulding that side is protruded in the ail gun, and this trace is the spacer that is hubbed at plate one moulding that side is protruded in the ail gun, form a sheathed protuberance in addition on trace, be equipped with a secondary spring on sheathed protuberance, the end in addition of secondary spring abuts against mutually with the ail gun body.

In view of the above, rotate adjusting knob and just can drive the actuator rotation, and the rotation of actuator can impel safety piece to stretch, contract mobile and regulate the nailing degree of depth, and structure of the present utility model, the action stability and the reliability of the safeties of ail gun are improved, reduce the fault of safeties.

About the utility model is to reach technological means and the effect thereof that above-mentioned purpose adopts, lift a preferable possible embodiments now and cooperate graphic detailed description as after.

The explanation of accompanying drawing drawing:

Fig. 1 is a structural profile schematic diagram of commonly using ail gun insurance institution.

Fig. 2 is a perspective exploded view of the present utility model.

Fig. 3 is the schematic perspective view that the safety piece that is arranged at ail gun of the present utility model protrudes long status.

Fig. 4 is the schematic perspective view that the safety piece that is arranged at ail gun of the present utility model protrudes short status.

Fig. 5 is the schematic perspective view that insurance institution of the present utility model is arranged at ail gun and establishes with protecting cover lid.

Fig. 6 is that insurance institution of the present utility model is arranged on the ail gun and the be pressed floor map of state of safety piece.

At first please cooperate and consult shown in Fig. 2,3,4,5, the adjustable safeties of a kind of ail gun that the utility model embodiment is provided comprise a pivot seat 20, an actuator 30, an adjusting knob 40, a start connecting rod 50 and a protecting cover 80, wherein:

This pivot seat 20 forms a double-action plate 21 on it, these double-action plate 21 1 ends abut against binding mutually with the ail gun trigger configuration, locking as trigger is removed, wherein be provided with a spring 23 in trigger and 20 of pivot seats, as shown in Figure 4, the end in addition of double-action plate 21 then forms the hinged arm 22 of a round bar shape;

This actuator 30, form on it one with the hinged arm 22 hollow actuating sleeve 31 of fit mutually, one end of actuating sleeve 31 then forms a drive screw 32, and the end of drive screw 32 is provided with one and places restrictions on bulge loop 33, and the outer surface in actuating sleeve 31 is provided with two groups of face rails 311 that corresponding truncation is planar in addition;

This adjusting knob 40, form a register hole 41 in it, the inwall of register hole 41 forms with face rail 311 corresponding plane covers and combines harmoniously 411, its register hole 41 of adjusting knob 40 mats and being sheathed on the actuating sleeve 31, and the cover combine harmoniously 411 with the 311 corresponding closings of face rail, by this, actuating sleeve 31 can axially be moved in adjusting knob 40, rotated and when adjusting knob 40 rotates, drive actuator 30;

This safety piece 50, it is made of the operating bar 52 of trace 51 with round bar shape, trace 51 1 ends form a swivel nut 511 and are screwed with drive screw 32, and operating bar 52 and trace 51 are by the carrier ring 61 of pulling moulding that 60 1 sides are protruded in the ail gun and spacer 62 and firmly be pivoted and be positioned to pull in the ail gun 60 1 sides, form a sheathed protuberance 512 and be equipped with a secondary spring 70 on trace 51 in addition, the end in addition of secondary spring 70 abuts against mutually with the ail gun body.

This protecting cover 80; offer the adjusting mouth 81 of an opening kenel on it; protecting cover 80 is sheathed to be incorporated into a side of ail gun and above-mentioned member and pivot seat 20, actuator 30, adjusting knob 40, trace 51, operating bar 52 is done protection and cover; wherein a side of this adjusting knob 40 is to expose outside from the adjusting mouth 81 of protecting cover 80, can rotate adjusting.

Secondly, again operating principle of the present utility model is cooperated graphic detailed description as after.

See also shown in Figure 3, be positioned at the safety piece 50 of ail gun rifle mouth in order to regulate the nailing degree of depth, the adjusting of itself and rifle mouth distance, be that rotation by adjusting knob 40 makes safety piece 50 telescopic movings, when operator's desire rotation adjusting knob 40 made safety piece 50 protrusion rifle mouths become long status, rotatable adjusting knob 40 drove actuators 30 and rotates.Because being the swivel nuts 511 with safety piece 50, drive screw 32 is screwed, therefore the rotation of actuator 30 can impel safety piece 50 to produce past, complex displacement, in present embodiment, if forward (clockwise direction) rotates adjusting knob 40, then safety piece 50 can stretch out toward the muzzle outside; See also shown in Figure 3, this promptly moves the longest and the state that the nailing degree of depth is the most shallow of protrusion when safety piece 50, by shown in the figure as can be known, even this adjusting knob 40 does not change the position and turns at the end, therefore swivel nut 511 is placed restrictions on the restriction of bulge loop 33, can't produce the state that actuator 30 and safety piece 50 get loose and separate.

See also shown in Figure 4, when operator's desire rotation adjusting knob 40 makes safety piece 50 protrusion rifle mouths become short status, but rotating adjusting knob 40, mat drives safety pieces 50 displacements, in present embodiment, if reverse (counterclockwise) rotates adjusting knob 40, then safety piece 50 can be toward the inboard withdrawal of muzzle; See also shown in Figure 4, this promptly is withdrawn into the shortest and state that the nailing degree of depth is the darkest when safety piece 50 moves, by shown in the figure as can be known, even this adjusting knob 40 does not change the position and turns at the end, therefore swivel nut 511 is activated part 30 its actuating sleeve 31 1 side wall surfaces and places restrictions on, and can't produce the state that actuator 30 and safety piece 50 get loose and separate.

See also shown in Figure 5; by above-mentioned in, the multiple operating process as can be known; this adjusting knob 40 need not have axial displacement in rotation process; and can remain in original position; therefore; one protecting cover 80 can be set to be covered on insurance member (pivot seat 20, actuator 30, adjusting knob 40, trace 51, the operating bar 52) outside and to do protection and cover; wherein a side of this adjusting knob 40 is to expose from adjusting mouth 81 places of protecting cover 80; regulate for rotating; this protecting cover 80 of mat, the dust that can avoid insurance institution produced by damaged in collision or work adhere to and influence start.

See also shown in Figure 6, this is the schematic diagram of the safety piece 50 stressed states that are pressed (pushing with the short status of Fig. 4 safety piece), wherein this secondary spring 70 can provide safety piece 50 to do the auxiliary elastic force source that resets, therefore total spring 23 of insurance institution of the present utility model and secondary spring 70 are as the elastic force source of action, generally speaking the distance to trigger is quite long from rifle mouth place, so the dual spring structure can increase the action stability of insurance institution; On the other hand, the utility model protrudes in a side of middle plate 60 and forms carrier ring 61 operating bar 52 embedding that is pivoted is held, and be provided with spacer 62 trace 51 embedding that is pivoted is held, so the start of safety piece 50 is difficult for being given a shock and is shifted, and therefore can improve the stability of action.

In sum, the utility model can make the safeties action stability of ail gun and reliability improve, and reduces the fault of safeties.

Claims (1)

1, a kind of adjustable safeties of ail gun is characterized in that comprising:

One pivot seat forms a double-action plate on it, an end of this double-action plate abuts against binding mutually with the ail gun trigger configuration, and the end in addition of double-action plate then forms the hinged arm of a round bar shape;

One actuator, form on it one with this hinged arm hollow actuating sleeve of fit mutually, an end of this actuating sleeve then forms a drive screw, the outer surface in actuating sleeve is provided with plane face rail in addition;

One adjusting knob forms a register hole in it, the inwall of register hole forms with the corresponding plane cover of this face rail and combines harmoniously, and adjusting knob is sheathed on the actuating sleeve with its register hole, and cover combines harmoniously and the corresponding closing of face rail;

One safety piece, the operating bar that comprises a trace and a round bar shape, this trace one end forms a swivel nut and drive screw is screwed, and operating bar is to be pivoted to be positioned the carrier ring of plate one moulding that side is protruded in the ail gun, and this trace is the spacer that is hubbed at plate one moulding that side is protruded in the ail gun, form a sheathed protuberance in addition on trace, be equipped with a secondary spring on sheathed protuberance, the end in addition of secondary spring abuts against mutually with the ail gun body.

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