CN2501652Y - Switching device for single or continuous trigger of nailer - Google Patents

Abstract

A single-hit and double-hit triggers switching device for a nail-hit gun is aimed at the trigger which is in pivot arrangement between a safe sliding bar and a trigger valve of the nail-hit gun, and at least one bearing, one catch and a spring are arranged inside the trigger. The switching device is characterized in that the bearing is sleeved with a bearing bar and a locating rod, and the catch is in pivot connection inside the bearing via the locating rod, and the bearing is combined with the trigger via the bearing bar, and the spring is hooked between the trigger and the bearing. Thus the users conveniently elastically toggle the bearing so as to easily switch a clinging-contacting position which is arranged between the catch and the safe sliding bar of the nail-hit gun, and the users choose a nail-hit mode of the single hit or the double hit for the nail-hit gun. Thus the switching device is urged to be arranged inside the trigger, which reduces occupying space and effectively eliminates the possibility of mistaken triggering of the users, therefore improving the using safety of the nail-hit gun and having practicality.

Description

The trigger switching device shifter of ailing machine list, double hit

Technical field

The utility model relates to a kind of gas pin gun, the trigger switching device shifter of particularly a kind of ailing machine list, double hit.

Background technology

The ailing machine of the utility model indication, it is the gas pin gun that refers to that specially nail hitting is used, on market, belonged to the Pneumatic hand tools that is generally used, mainly be to borrow a trigger to push a trigger valve, control the push rod that a compressed air drives a pneumatic cylinder through this trigger valve and very send, contain the nail part with the brute force percussion and remove nail knot object.Yet, though ailing machine has the convenience in the use, hiding the people is arranged is the doubt that the false touch trigger so that the personnel that cause are wounded, therefore, ailing machine on the market mostly is provided with the safety device of limit trigger action, and its kind is distinguished whether to have safe slide bar person.Wherein, tool safety slide bar person is meant that group is provided with a safe slide bar in the nail spare exit wound of bullet of ailing machine, after the user must be close to exit wound of bullet the working substance surface and push slide bar, just but part is followed closely in the percussion of clinching trigger, to improve the safe in utilization of ailing machine, this mode by the difference of order of operation, also can slightly be divided into following two kinds in addition:

One: single order formula trigger (Single sequential), the exit wound of bullet of ailing machine need be close to earlier and treat in conjunction with surface of the work, after pushing safe slide bar, just can detain and press trigger percussion nail part, can detain continuously then and press trigger, to pull the trigger the nail part once more, if user elder generation button is gone by trigger again and is pushed safe slide bar, then can't pull the trigger its nail part, therefore, when the user must change when moving the workpiece bonding station, must mention ailing machine, and need push once more just can detain behind the safe slide bar and press trigger percussion nail part, this mode is preferred to use by institute of country of U.S. system.

Its two: percussive trigger (Contact actuation), the order of pushing regardless of safe slide bar and trigger, when all being pressed, safety slide bar and trigger can pull the trigger nail spare, so only need continuing button, the user presses trigger, mode that just can repeated presses safety slide bar, percussion nail part continuously, or adopt the mode that continues to push safe slide bar, also the action that can borrow continuously button to press trigger is followed closely part with percussion, improves the convenience of operation, and this mode is preferred to use by Europe country of system.

Yet, distribute extensively based on the user who adopts ailing machine, there is great difference in its use habit, impels the output that produces the above-mentioned variety of way ailing machine of the very difficult consideration assessment of dealer, and then cause its research and development to produce the heavy burden of costs such as stock, form greatest puzzlement.Have again, had the Taiwan patent announcement on the market No. 378589 " ailing machine trigger safeguard construction " and announce No. 378591 patented technologies such as " ailing machine are clicked and sent out, structure is switched in percussion continuously " and solve this puzzlement; But, the disclosed switching construction of those common technologies, all be revealed in the ailing machine outside and form salient point, dust incrustation more easily is infected with by these linkage type commonly used mechanisms, and cause the user in when utilization, more easily cause the hand scratch, and have this switching construction of false touch and produce the possibility of misoperation, its mode is still desirable not to the utmost, and this point is the utility model spy to grind the creation motivation place that wound addresses this problem.Grind the air tool design experiences of wound so this creator collection is specialized in for many years, develop the trigger switching device shifter of a kind of ailing machine list, double hit.

Summary of the invention

The utility model is the trigger switching device shifter that a kind of ailing machine list, double hit will be provided, and makes it be placed in the trigger to account for reduction and put the space, effectively get rid of user's false touch with solution, improves the technical problem of security.

It is such solving the problems of the technologies described above the technical scheme that is adopted:

The trigger switching device shifter of a kind of ailing machine list, double hit, be at hub setting in the safe slide bar of ailing machine and the trigger between the trigger valve axle center, this trigger is made concave shape, hides at least in the trigger to be provided with a bearing, a catch and another spring and to form, and it is characterized in that:

This catch tool one end pivot portion and other end stopper, this pivot portion movable sleeve is equipped with a positioning rod, and this catch hub setting is on bearing;

This bearing is to make concave shape, has an end tenon portion at least, and this backstay is to be fixedly arranged on the bearing, presents both-end and highlights form;

One bar that holds that is fixed on the trigger is nested with this bearing, and this spring is striden and organized between trigger and bearing, and this bearing can Elastic Sliding displacement in trigger;

This trigger has a side mortise, tongue-and-groove and two locating holes, and this mortise and tongue-and-groove all can hold the tenon portion of bearing; This trigger also has opposite side arc flexural slip hole, is corresponding with two locating holes;

This catch is set between the safe slide bar and trigger valve axle center of ailing machine, this backstay both-end can be in arc flexural slip hole and is alloted the round switching of bearing between arbitrary locating hole in order to the user, this tenon portion can elastic registration mortise or the holding position of tongue-and-groove, forms to drive clicking or the nailing interlock location status of double hit between catch conversion and safe slide bar and trigger valve axle center;

Prolong on this bearing and be shaped on a hook portion, the spring hole is set on this trigger, this spring is striden and is organized in putting between spring hole and hook portion;

This stopper is to make in order to accepting very touching or breaking away from it of safe slide bar in good time, and drives the inclined-plane form that the trigger valve axle center was touched or broken away to the in good time pressure of catch;

The bottom of this bearing is prolonged and is shaped on one and is beneficial to the protuberance of stirring.

Switching device shifter of the present utility model is that group places in the safe slide bar and the trigger housing between trigger valve of ailing machine, and this switching device shifter includes members such as a bearing, a catch and another spring at least, wherein:

This catch is that hub setting is on bearing, and put between the safe slide bar and trigger valve axle center of ailing machine, and this catch and bearing span are provided with spring, and this bearing is to be set in the trigger housing, can drive catch and accept the switching displacement form synchronously, can allot the switching device shifter that switches the ailing machine trigger method voluntarily according to custom in order to the user, and enforcement is clicked or the percussion nail part operating type of double hit;

The assembly of above-mentioned switching device shifter, all can be placed in the trigger, therefore has the nail hitting danger of getting rid of finger false touch switching and causing unexpected property, and can avoid assembly to expose scratch hand and advanced usefulness such as dustproof, the utmost point meets the relevant demand of product except that trade-in that duplicate on the industry, make it be placed in the trigger reduction to account for and put the space thereby solved, and effectively get rid of user's false touch, improve the technical problem of security.

The utility model is simple in structure, particularly provide a kind of Tibetan to be located in the ailing machine trigger, can control the switching device shifter that unit or double hit nail part is used, has simple and easy switching, to cater to the demand of different use habit, and have both antiscale and can prevent user's false touch switching device shifter, and the safe and practical property of tool.

Description of drawings

Fig. 1 is an assembling position schematic diagram of the present utility model;

Fig. 2 is a stereogram of the present utility model;

Fig. 3 is a three-dimensional exploded view of the present utility model;

Fig. 4 is the cut-away view that the utility model is clicked the catch position when following closely part;

Fig. 5 is the state diagram that the utility model Fig. 4 pushes safe slide bar;

Fig. 6 is the state diagram that the utility model Fig. 5 button is pressed trigger;

Fig. 7 is the state diagram after the utility model Fig. 6 button is pressed trigger;

The cut-away view of the catch position when Fig. 8 is the utility model double hit nail part;

Fig. 9 is the state diagram that the utility model Fig. 8 pushes safe slide bar;

Figure 10 is the state diagram that the utility model Fig. 9 button is pressed trigger;

Figure 11 is the state diagram that the utility model Fig. 8 button is pressed trigger.

The specific embodiment

At first click the arrangement of components form that the embodiment of sending out the ailing machine 4 of following closely the part formula illustrates trigger switching device shifter of the present utility model with employing.As shown in Figure 1 to Figure 3, the utility model mainly is at the trigger 3 of hub setting in 42 of the safe slide bar 41 of ailing machine 4 and trigger valves, in this trigger 3 at least group be provided with a bearing 2, a catch 1 and a spring 39 and constitute, wherein:

This catch 1 has the stopper 12 that an end pivot portion 11 and the other end are bent into the inclined-plane form, and this pivot portion 11 can wear a positioning rod 24, and catch 1 can be swung on backstay 24.

This bearing 2 is that one bends and is concave shape, its bottom is prolonged and is shaped on a protuberance 26 that makes things convenient for the user to stir, one end tool hook portion 21 of bearing 2, the other end of bearing 2 prolongs the tenon portion 22 that is shaped on, offer a plurality of through holes 23 in addition on these bearing 2 bilateral walls, can sheathed respectively one hold bar 25 and be installed with backstay 24, backstay 24 both-ends are presented highlight form, and bearing 2 is to hold slide displacement on the bar 25, and catch 1 can be mounted in the bearing 2 via backstay 24.

This trigger 3 is to be concave shape, the one end prolongs to be shaped on to organize puts hole 31, make trigger 3 can before and after beats and combine with ailing machine 4, the bilateral of this trigger 3 all offers bar hole 32, one side of this trigger 3 offers mortise 37, tongue-and-groove 36 and locating hole 34 and 35, the opposite side of this trigger 3 offers arc flexural slip hole 33 and puts spring hole 38, and arc flexural slip hole 33 is corresponding with locating hole 34 and 35, this mortise 37 and tongue-and-groove 36 all can be installed with the tenon portion 22 of bearing 2, this locating hole 34 or 35 and 33 in arc flexural slip hole be the both-end that can organize the backstay 24 of establishing bearing 2, this 21 of hook portion of putting spring hole 38 and bearing 2 is can organize to establish spring 39, simultaneously, this bar hole 32 is can sheathedly hold bar 25 bearing 2 is combined with trigger 3, makes bearing 2 swing displacement in trigger 3 by means of holding bar 25 formation fulcrums, and then drives catch 1 its position of change synchronously.

Borrow backstay 24 to combine via bearing 2 with catch 1, trigger 3 is borrowed and is held bar 25 and backstay 24 combines with bearing 2, make the both-end of backstay 24 be sheathed on 33 in locating hole 35 and arc flexural slip hole respectively, the both-end of this spring 39 is mounted on the hook portion 21 of putting spring hole 38 and bearing 2 respectively, impel the spring power of spring 39 can pull bearing 2, make the tenon portion 22 of bearing 2 be placed in the tongue-and-groove 36 of trigger 3, borrow the group of fulcrum 43 (as shown in Figure 4) the cover group trigger 3 of ailing machine 4 to put hole 31 in addition, make trigger 3 can be articulated in safe slide bar 41 and 42 of trigger valves (cooperating shown in Figure 1), and then make fulcrum 43 form the fulcrum of trigger 3, impel trigger 3 can drive bearing 2 and catch 1 beat displacement synchronously, and make catch 1 just can be mounted on safe slide bar 41 to form switching device shifter of the present utility model whereby with the trigger valve axle center 421 (cooperating shown in Figure 4) of trigger valve 42.

As shown in Figure 4, if the user does not press the exit wound of bullet of ailing machine 4 and touches the working substance surface, and then when failing to push safe slide bar 41, catch 1 in the trigger 3 can be in bearing 2 free beat, therefore no matter how the user detains is pressed trigger 3, all can't make trigger 3 promote trigger valve axle center 421, and then make ailing machine 4 can't pull the trigger nail spare, guarantee the safety of using whereby.

Extremely shown in Figure 7 as Fig. 5, happening the user touches the exit wound of bullet pressure in the working substance surface, when making safe slide bar 41 be subjected to pushing, stopper 12 on the catch 1 in the trigger 3 just can be subjected to the pushing of safe slide bar 41, this moment must be through 3 actions of user's clinching trigger, swing towards trigger valve 42 directions with catch 1 with the bearing 2 that drives in the trigger, and then make catch 1 go pressure to touch trigger valve axle center 421, make ailing machine 4 pull the trigger the nail part immediately, the stopper 12 of catch 1 just can be subjected to the 421 involution effects of trigger valve axle center and break away from the contravention that pushes away of safety slide bar 41 subsequently, to prevent that the user from detaining when pressing trigger 3 once more, because of having broken away from safety slide bar 41, this catch 1 conflicts, and can't remove to push trigger valve axle center 421 percussion nail parts again, in other words, the user must allow earlier after the safe slide bar 41 involution original positions, safe slide bar 41 is pressed touch the work object, just can push away and touch this catch 1 of effect, pull the trigger the running of nail part once more, form the use characteristic of single order formula percussion nail part whereby.

As shown in Figure 8, when the user need adopt percussive ailing machine 4 percussion nail parts, the user can be via the protuberance 26 of stirring bearing 2, impel the tenon portion 22 of bearing 2 and the tongue-and-groove 36 and locating hole 35 of backstay 24 disengaging triggers 3, via arc flexural slip hole 33 guiding backstays 24, and then make bearing 2 drive catch 1 synchronous shift, and the tenon portion 22 of bearing 2 is pullled by the spring power of spring 39 with backstay 24, holding is located in tenon portion 37 and the locating hole 34 respectively, make stopper 12 displacements of catch 1 level off to safe slide bar 41, and then the stopper 12 that changes catch 1 touches the position with the subsides of safe slide bar 41, can be easily the ailing machine 4 of click type be switched to the double hit mode.

As Fig. 9, shown in 10, if the user is not close to surface of the work to be joined with the exit wound of bullet of ailing machine 4, and then fail to push safe slide bar 41 when (cooperating shown in Figure 8), still can in bearing 2, freely swing as the catch 1 in the above-mentioned trigger 3, and can't make ailing machine 4 percussion nail parts, happening the user presses exit wound of bullet and touches in workpiece thing surface and when pushing safe slide bar 41, safe slide bar 41 just can push away and touch stopper 12, and make catch 1 be subject to 2 of the bearings of safe slide bar 41 and trigger 3, during in order to confession user clinching trigger 3, can drive bearing 2 immediately swings to trigger valve 42 directions with catch 1, and then make catch 1 pressure touch trigger valve axle center 421, make ailing machine 4 percussion nail parts, at this moment, this catch 1 still is subject to 2 of the bearings of safe slide bar 41 and trigger 3, as user once more during clinching trigger 3, this catch 1 is driven and pushing trigger valve axle center 421 by trigger 3 still can, and then percussion nail part, and impelling this trigger 3 to possess has the effect of continuous percussion nail part.

As shown in figure 11; as user's clinching trigger 3, touch the working substance surface when making it interlock and safe slide bar 41 is pressed, catch 1 is the drive that is not subjected to safe slide bar 41; therefore can't make ailing machine 4 percussion nail parts, form the safeguard protection effect of percussion nail part operating type continuously.

If the user need adopt again when clicking the ailing machine 4 of sending out the nail part, the user can stir the protuberance 26 of bearing 2 once more, make switching device shifter revert back to the above-mentioned interlock form of sending out (as shown in Figure 4) of clicking, or allot into the interlock form (as shown in Figure 8) of above-mentioned continuous percussion once more, formation can be for the usefulness of freely switching.

Above the utility model for embodiment, only establish for convenience of description, when not limiting meaning of the present utility model with this, promptly the various shift design of doing according to listed claim generally all should be included in the utility model claim.

In sum, effect of the present utility model is significantly improved, and all meets each important document of utility model patent, so propose utility application in accordance with the law.

Claims (4)

1, the trigger switching device shifter of a kind of ailing machine list, double hit, be at hub setting in the safe slide bar of ailing machine and the trigger between the trigger valve axle center, this trigger is made concave shape, hides at least in the trigger to be provided with a bearing, a catch and another spring and to form, and it is characterized in that:

This catch tool one end pivot portion and other end stopper, this pivot portion movable sleeve is equipped with a positioning rod, and this catch hub setting is on bearing;

This bearing is to make concave shape, has an end tenon portion at least, and this backstay is to be fixedly arranged on the bearing, presents both-end and highlights form;

One bar that holds that is fixed on the trigger is nested with this bearing, and this spring is striden and organized between trigger and bearing, and this bearing can Elastic Sliding displacement in trigger;

This trigger has a side mortise, tongue-and-groove and two locating holes, and this mortise and tongue-and-groove all can hold the tenon portion of bearing; This trigger also has opposite side arc flexural slip hole, is corresponding with two locating holes;

This catch is set between the safe slide bar and trigger valve axle center of ailing machine, this backstay both-end can be in arc flexural slip hole and is alloted the round switching of bearing between arbitrary locating hole in order to the user, this tenon portion can elastic registration mortise or the holding position of tongue-and-groove, forms to drive clicking or the nailing interlock location status of double hit between catch conversion and safe slide bar and trigger valve axle center.

2, the trigger switching device shifter of ailing machine list according to claim 1, double hit is characterized in that: prolong on this bearing and be shaped on a hook portion, the spring hole is set on this trigger, this spring is striden and is organized in putting between spring hole and hook portion.

3, the trigger switching device shifter of ailing machine list according to claim 1, double hit is characterized in that: this stopper is to make in order to accepting very touching or breaking away from it of safe slide bar in good time, and drives the inclined-plane form that the trigger valve axle center was touched or broken away to the in good time pressure of catch.

4, the trigger switching device shifter of ailing machine list according to claim 1, double hit is characterized in that: the bottom of this bearing is prolonged and is shaped on one and is beneficial to the protuberance of stirring.

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