TWM561599U - Nail gun with safety mechanism - Google Patents

Abstract

The present invention provides a nail gun with a safety mechanism, comprising: a gun body, a safety unit, a trigger device and a safety unit, the safety unit has a moving part, a guide seat and a buckle piece, and the guide seat has an activity The segment and the detachment section, the moving piece is connected with the buckle, and when the trigger device is operated, the buckle is slidably disposed in the movable section, and when the trigger device is operated, the buckle drives the safety unit to slide in the active section, and the insurance unit One end of the object, the trigger device is capable of launching and nailing to the object; when the trigger device is continuously operated and the safety unit does not contact the object, and the buckle slides from the movable section to the disengaged section, the trigger device cannot fire the nail, thereby, It is safe to use.

Description

Nail gun with safety mechanism

This creation is about a nail gun structure, especially a nail gun with a safety mechanism.

Pressing, the general nail gun includes a nail gun body and a trigger provided on the nail gun body. When the user pulls the trigger, the nail can be struck from the nail opening of the nail gun body.

In order to prevent the user from accidentally hitting the trigger by accidentally hitting the trigger, or avoiding the user using the nail gun in an incorrect manner, the nail gun is generally provided with a safety unit at the nail opening of the nail gun body, and the insurance unit can be in a The displacement between the non-fired position and the position to be fired; in the non-working condition, the safety unit protrudes from the nail opening and is in the non-fired position. At this time, the trigger of the nail gun cannot be buckled, or the trigger can be buckled. However, the staple pin is not knocked out; when the user pushes the fuse unit against the work surface, the fuse unit can be pushed by the work surface to the position to be fired, at which time the user can pull the trigger and put the staple Smoothly fired.

U.S. Patent No. 6,974,062 B2 discloses a nail gun having a safety mechanism for preventing fire escape, having a central portion of a trigger arm placed in a trigger and a free end individually at a plunger On an upper end with a safety part. When the trigger is pivoted on its pivot end, the pivotal movement of the trigger moves a pivot end of the trigger arm to press the central portion of the trigger arm to contact the plunger and act as a plunger The fulcrum presses the free end down toward the upper end of the safety section. When the trigger is pivoted, if the downward movement of the safety portion is hindered, the upper end contacted by the free end of the trigger arm acts as a point, and the trigger arm pivots around the pivot point by the movement of the trigger, thus The central portion of the trigger arm presses the plunger inwardly, and therefore, the movable switch activates a blade to eject a nail through a nozzle.

However, the aforementioned mechanism is complicated, and the complicated mechanism causes the interference between the components during the operation, which causes the operation to be unsmooth, which makes it impossible to prevent the user from accidentally touching the trigger and accidentally hitting the nail. .

In order to solve the above problems, the present invention provides a nail gun with a safety mechanism, which moves between the movable section and the disengagement section through the buckle when the trigger device is operated, so that the connection relationship between the insurance unit and the buckle changes. After the gun body has been pressed against the object, the nail is fired again to improve the safety during use.

An embodiment of the present invention provides a nail gun with a safety mechanism, comprising: a gun body having a nailing portion, a nail channel in the nail portion, and a nailing end at one end of the nail portion The nail channel is connected to the nailing port, the nail portion is connected to a nail gate, and the nail gate provides a nail to the nail track; a safety unit is disposed on the gun body, and the safety unit can be operated to move relative to the nail portion; a trigger The device is disposed on the gun body, the trigger device is configured to control the nailing and firing; and a safety unit is disposed between the insurance unit and the trigger device, the safety unit has a moving part, a guide seat and a buckle piece, and the guide seat has a The movable section and a disengagement section, wherein when the trigger device is operated, the moving member drives the buckle to cause the buckle to drive the safety unit to slide in the movable section, and when one end of the insurance unit is opposite to the object, the reaction force of the object Acting on the clasp through the fuse unit, the trigger device can be fired to the object; when the trigger device is continuously operated and the fuse unit does not contact the object, the cleat is slid from the movable section to the disengaged section, and the trigger device cannot fire the staple.

According to the above, when the trigger device is operated, the fastener is moved between the movable section and the disengaged section to change the connection relationship between the fuse unit and the buckle, and it is confirmed whether the gun body has actually pressed against the object. The gun body has indeed pressed against the object, so that the moving member generates a reaction force on the trigger device, so that the trigger device can be fired and nailed to the object, thereby improving the safety in use.

Furthermore, the structure of the present invention will be simpler than that of the prior art, and the operation between the components is smooth during the manipulation, and it is not easy to interfere with each other, thereby avoiding the fact that it is easy to accidentally hit the nail by accidentally touching the trigger device by the user. The problem has occurred.

For the convenience of the description, the central idea expressed in the column of the above novel content is expressed by a specific embodiment. The various items in the examples are drawn to scale in the description and not to the actual elements, and are described in the foregoing.

Referring to FIG. 1 to FIG. 6 , the present invention provides a nail gun with a safety mechanism, comprising: a gun body 10 , a safety unit 20 , a trigger device 30 and a safety unit 40 , wherein the insurance unit 20 , The trigger device 30 and the safety unit 40 are disposed on the gun body 10, and the safety unit 40 is disposed between the fuse unit 20 and the trigger device 30.

The gun body 10 has a head 11 and a handle 12, the head 11 is coupled to the handle 12, and a chamber is disposed between the head 11 and the handle 12, and the chamber is connected to the air pressure source, and the air pressure source is provided. Compress the gas into the chamber. The head 11 is provided with a rivet member (not shown). The front end of the head 11 is provided with a nailing portion 13 . The rivet member is disposed on the nail removing portion 13 , wherein a nail channel is disposed in the nail removing portion 13 . 131, one end of the nailing portion 13 has a nailing port 132, the nailing port 132 is in communication with the nail channel 131; the nailing portion 13 is connected to a nail gate 14, and the nail gate 14 is connected to the nail channel 131, wherein the nail gate 14 accommodates a plurality of nail gates 14 With the staples 1, the nail gates 14 can transport the staples 1 one by one to the nail channel 131.

Moreover, the safety unit 20 and the safety unit 40 are disposed near the head 11; the trigger device 30 is disposed on the handle 12, the handle 12 provides a user grip, and the trigger device 30 can control the flow of compressed gas into the chamber while compressing the gas The rivet member is driven to strike the nail 1 in the nail path 131, so that the nail 1 is struck by the nail opening 132.

The fuse unit 20 is operable to move relative to the nail portion 13. The safety unit 20 has a sliding seat 21 and a securing member 22. The sliding seat 21 has a first end 211 and a second end 212 opposite thereto. One end of the securing member 22 is coupled to the second end 212 of the sliding seat 21 for insurance. The other end of the member 22 has a retracting notch 221, and the retracting notch 221 is coupled to the safety unit 40. The safety member 22 can be operated to drive the sliding seat 21 to be slidably disposed on the ejection portion 13, and the first end 211 of the sliding seat 21 corresponds to At the nailing opening 132 and capable of abutting against the object 2.

The trigger device 30 has a trigger 31, a valve body 32, a valve stem 33, a first acting member 34 and a second acting member 35. The valve stem 33 slides into the valve body 32, and the valve body 32 communicates with the air pressure. The valve stem 33 is configured to control the valve body 32 to be electrically connected to the chamber, so that the compressed gas of the air pressure source enters the chamber; the first acting member 34 and the trigger 31 are pivoted to the gun body 10 at a first pivot point 36, The second acting member 35 is pivotally disposed in the trigger 31 by a second pivoting point 37. One end of the second acting member 35 and one end of the first acting member 34 are hooked to each other, and the other end of the first acting member 34 is pressed against The other end of the second action member 35 is in contact with the valve stem 33. When the trigger 31 is buckled, the trigger 31 swings with the first pivot point 36, and the second action member 35 is pulled to the second pivot. The joint 37 pivots to drive the first action member 34 against the safety unit 40 to cause the safety unit 40 to move.

Furthermore, the second acting member 35 has an operating portion 351 and a connecting portion 352. The connecting portion 352 has a fork shape and is engaged with one end of the first acting member 34. The operating portion 351 is in contact with the valve stem 33. The portion 351 has a contact portion 351a, a pressing portion 351b and a releasing portion 351c. When the contact portion 351a and the loosening portion 351c are in contact with the valve stem 33, the trigger device 30 cannot fire the nail 1; and the pressing portion 351b is pushed against At the time of the valve stem 33, the trigger device 30 is able to fire the staples 1. In the present embodiment, the operating portion 351 has an arc shape, the pressing portion 351b is disposed between the contact portion 351a and the loosening portion 351c, the releasing portion 351c is adjacent to the second pivoting point 37, and the thickness of the operating portion 351 is formed by the contact portion 351a. The gradual expansion is exhibited via the pressing section 351b to the relaxation section 351c.

The safety unit 40 has a moving member 41, a guide 42 and a buckle 43. The moving member 41 has a working slot 411. One end of the securing member 22 is in the working slot 411, and the working slot 411 is disposed between the working slot 411 and the securing member 22. There is an elastic member 44. In the present embodiment, the elastic member 44 is a compression spring, and the pre-stress of the elastic member 44 acts on the safety member 22. One end of the cleat 43 is pivotally disposed on the movable member 41. The other end of the cleat 43 has a restricting portion 431. The cleat 43 is slidably disposed on the guide 42. The restricting portion 431 of the clasp 43 can be detachably fastened to the safety member. 22 retreat gap 221.

Furthermore, the guide 42 has a movable section 421 and a disengagement section 422. The movable section 421 and the disengagement section 422 are non-linear grooves, and a guide shaft 432 is protruded from one side of the cleat 43 for guiding. The shaft 432 is slidably disposed between the movable portion 421 and the detaching portion 422. The movable portion 421 is closer to the head portion 11 than the detaching portion 422. The detaching portion 422 has a connecting portion 422a and a positioning portion 422b. The connecting portion 422a is connected between the positioning portion 422b and the movable portion 421, and the positioning portion 422b is disposed at the end of the connecting portion 422a. In the present embodiment, the movable portion 421 is linear, so that the cleat 43 can be opposite to the cleat 43. The guide 42 is translated; the connecting portion 422a is inclined, and the connecting portion 422a is inclined downward toward the head 11 with respect to the grip 12.

Referring to FIG. 1 to FIG. 5, when the trigger 31 of the trigger device 30 is buckled, the first pivot point 36 is swung, and the second acting member 35 is pulled to pivot at the second pivot point 37, and the operating portion is operated. The contact portion 351a of the 351 is in contact with the valve stem 33, and the second acting member 35 pivots to simultaneously push one end of the first acting member 34 against the pushing member 41, so that the moving member 41 drives the cleat 43 to move toward the head 11, and the buckle The guiding shaft 432 of the piece 43 is slidably disposed on the movable section 421, and the securing member 22 is driven by the buckle piece 43 to move the pinning carriage 21 so that the first end 211 of the sliding seat 21 protrudes from the nailing opening 132; then, when the sliding seat is When the first end 211 of the 21 is in contact with the object 2, the reaction force generated by the object 2 acts on the cleat 43 via the securing unit 20, and the guiding shaft 432 of the clasp 43 slides from the movable section 421 to the movable section 421 and the link. At the junction of the portion 422a; at this time, the first end 211 of the slider 21 is above the object 2 and can no longer move, and the buckle 43 and the moving member 41 cannot move, so that the positioning of the safety member 22 cannot be moved, since the trigger 31 continues to be When the first acting member 34 is pressed against one end of the moving member 41, the amount of the pressing force of the trigger 31 is such that the second acting member 35 is pressed. The pivoting point of the second pivoting point 37 causes the pressing portion 351b of the operating portion 351 to move inwardly against the push valve rod 33, and the valve rod 33 enables the valve body 32 to be electrically connected to the chamber, so that the compressed gas of the air pressure source enters the chamber. The rivet member is driven by the compressed gas to strike the nail 1 in the nail channel 131, so that the nail 1 is struck out from the nailing port 132 to the object 2.

Referring to FIG. 5 and FIG. 6, when the trigger 31 of the trigger device 30 is continuously operated, and the first end 211 of the slider 21 is not pressed against the object 2, the reaction force of the object 2 disappears, and the safety member 22 is subjected to the elastic member 44. The pre-stressing effect causes the first end 211 of the sliding member 21 to illuminate the nailing opening 132, and the moving member 41 is pressed by the first acting member 34 to drive the buckle 43 to be displaced relative to the gun body 10, so that the buckle The guide shaft 432 of the 43 is separated from the joint portion 422a by the movable portion 421, and slides along the joint portion 422a to the positioning portion 422b of the disengagement portion 422, and the restricting portion 431 of the cleat 43 does not with the recess of the safety member 22. 221, the contact relationship of the two is released, so that the fuse unit 20 is no longer affected by the safety unit 40; at this time, the second action member 35 is pivoted by the second pivot point 37, so that the operating portion 351 is moved by the pressing portion 351b. To the relaxed section 351c, the valve stem 33 is again brought into contact with the relaxed section 351c, and the valve stem 33 prevents the valve body 32 from being electrically connected to the chamber, so that the trigger device 30 cannot fire the staple 1.

In addition, when the trigger 31 of the trigger device 30 is pressed, the contact portion 351a of the operating portion 351 is in contact with the valve stem 33, and the second acting member 35 pivots while driving one end of the first acting member 34 against the pushing member 41 to move The piece 41 drives the buckle piece 43 to move, and the safety piece 22 is driven by the buckle piece 43 to move the carriage 21 so that the first end 211 of the sliding seat 21 protrudes from the nailing hole 132 and does not reach the object 2; at this time, the buckle piece The guide shaft 432 of the slider 43 is slidably disposed away from the section 422, and the two ends of the elastic member 44 push the inner wall of the safety member 22 and the action groove 411, and the force of the trigger 31 is pressed, and the second action member 35 cannot be used. The operating portion 351 pushes against the valve stem 33, causing the valve body 32 to be unable to be electrically connected to the chamber, and the piercing nail 1 is not knocked out; thereby, the relaxation pre-stress of the elastic member 44 can restrict the second acting member 35 from acting to avoid The problem that the trigger trigger device 30 accidentally hits the nail 1 occurs.

Thereby, the present invention moves between the movable section 421 and the disengagement section 422 through the guide shaft 432 of the clasp 43 to change the connection relationship between the securing unit 20 and the cleat 43, and confirms that the gun body 10 has indeed arrived. After pressing on the object 2, a reaction force is generated by the moving member 41 on the trigger device 30, so that the valve body 32 of the trigger device 30 is electrically connected to the chamber, so that the compressed gas of the air pressure source enters the chamber, and the compressed gas drives the impact member to collide. The nail 1 in the nail channel 131 causes the nail 1 to be struck out to the object 2 by the nailing hole 132, thereby improving the safety in use.

Moreover, the structure of the present invention is simple, so that the manipulation is smooth and does not interfere with each other, thereby avoiding the problem that the trigger device 30 accidentally hits the nail 1 .

The above embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. All kinds of modifications or changes that are not in violation of the spirit of this creation are all in the scope of this creative intention.

1‧‧‧ wearing nails
2‧‧‧ objects
10‧‧‧ gun body
11‧‧‧ head
12‧‧‧ gun handle
13‧‧‧ nailing department
131‧‧‧ nail road
132‧‧‧nail mouth
14‧‧‧nail gate
20‧‧‧ Insurance unit
21‧‧‧Slide
211‧‧‧ first end
212‧‧‧ second end
22‧‧‧Insurance
221‧‧‧ Recession gap
30‧‧‧ Trigger device
31‧‧‧ Trigger
32‧‧‧ valve body
33‧‧‧ valve stem
34‧‧‧First action piece
35‧‧‧Second action
351‧‧‧Operation Department
351a‧‧‧Contact section
351b‧‧‧Repression section
351c‧‧‧ Relaxation
352‧‧‧Connecting Department
36‧‧‧First pivot point
37‧‧‧Second pivot joint
40‧‧‧Safety unit
41‧‧‧Mobile parts
411‧‧‧ action slot
42‧‧ ‧ guide
421‧‧‧ Activity section
422‧‧‧Without section
422a‧‧‧Linking Department
422b‧‧‧ Positioning Department
43‧‧‧Bucks
431‧‧‧Restrictions
432‧‧‧Guide axis
44‧‧‧Flexible parts

Figure 1 is a schematic view of the appearance of the creation. Figure 2 is a partial cross-sectional side view of the present creation. Figure 3 is a partially enlarged schematic view of Figure 2. Figure 4 is a schematic diagram of the creation of the trigger and the nailing and sliding seats are not attached to the object. Figure 5 is a schematic diagram of the creation of the trigger and the nailing and sliding seat on the object. Fig. 6 is a schematic view of the nailing mouth and the sliding seat not being attached to the object after the nailing of the present invention.

Claims (10)

A nail gun with a safety mechanism, comprising: a gun body having a nailing portion, wherein the nailing portion is provided with a nail channel, and one end of the nailing portion has a nailing port, and the nail channel connects the hammer a nail port, the nail portion is connected to a nail gate, the nail gate provides a nail to the nail track; a safety unit is disposed on the gun body, the safety unit is operable to move relative to the nail portion; a trigger device disposed on the gun body, the trigger device is configured to control the nail firing; and a safety unit disposed between the safety unit and the trigger device, the safety unit having a moving member, a guide and a The buckle has a movable section and a detaching section, wherein when the trigger device is operated, the moving component drives the buckle, so that the buckle drives the safety unit to slide on the movable section. When one end of the safety unit is in contact with the object, the reaction force of the object acts on the buckle through the safety unit, and the trigger device can emit the nail to the object; when the trigger device is continuously operated and the safety unit does not contact the object, The clasp is from the activity area The segment slides to the disengagement section and the trigger device is unable to fire the peg. The nail gun of the safety mechanism of claim 1, wherein the safety unit has a sliding seat and a safety member, the safety member is coupled to the safety unit and the sliding seat, and the fastening piece is connected to the safety member. The slider is driven to move relative to the dowel portion. The nail gun of the safety mechanism of claim 2, wherein one end of the buckle is pivotally disposed on the moving member, and the other end of the buckle has a restricting portion, and one end of the securing member has a retreat notch, The restriction portion is detachably fastened to the withdrawal recess. The nail gun of the safety mechanism of claim 1 or 3, wherein the movable section and the disengagement section are non-linear grooves, and a guiding shaft is protruded from one side of the buckle, the guiding shaft Sliding between the active section and the disengagement section. The nail gun of the safety mechanism of claim 4, wherein the detaching section has a connecting portion and a positioning portion, the connecting portion is connected between the positioning portion and the movable portion, and the securing unit is abutted In the case of the object, the guiding shaft of the buckle is at the boundary between the movable section and the connecting portion, and the buckle moves to the positioning portion, and the trigger device cannot fire the nail. The nail gun of the safety mechanism of claim 2, wherein the moving member has a working slot, one end of the securing member is in the working slot, and the other end of the securing member is connected to the sliding seat, the working slot and the An elastic member is provided between the fuses. The nail gun of the safety mechanism of claim 1, wherein the trigger device has a trigger, a first acting member and a second acting member, the first acting member and the trigger being a first pivot The second pivoting member is pivotally disposed in the trigger body, and the second end of the first active member is coupled to one end of the second active member. The other end of the member is pressed against the moving member; when the trigger is operated, the trigger swings with the first pivoting point, and the second acting member is pivoted to pivot the second pivoting point to drive the first An action member pushes against the moving member. The nail gun of the safety mechanism of claim 7, wherein the trigger device has a valve body and a valve stem, the valve stem is slidably disposed in the valve body, the valve body is connected to the air pressure source, and the second function is The device has an operating portion and a connecting portion. The connecting portion is engaged with one end of the first acting member, and the operating portion is in contact with the valve stem. When the trigger is operated, the operating portion pushes the valve stem. The valve body is electrically connected to the air pressure source. The nail gun of the safety mechanism of claim 8, wherein the operating portion has a contact portion, a pressing portion and a releasing portion, and the trigger is formed when the contact portion and the releasing portion are in contact with the valve stem The device is unable to fire the peg; the trigger device is capable of firing the peg when the pressing portion pushes against the valve stem. The nail gun of the safety mechanism of claim 9, wherein the operating portion has an arc shape, and the pressing portion is disposed between the contact portion and the relaxing portion, and the releasing portion is adjacent to the second pivoting point. The thickness of the operating portion is gradually expanded by the contact portion to the relaxed portion via the pressing portion.