CN212287494U

CN212287494U - Nail gun

Info

Publication number: CN212287494U
Application number: CN202020275606.7U
Authority: CN
Inventors: 吉绍山; 梅杰; 王志伟; 李凯凯
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2021-01-05
Anticipated expiration: 2030-03-09

Abstract

The application relates to a nail gun, including the nail gun body that is provided with the power supply, the rifle head of being connected with the nail gun body, set up in the rifle head and under the drive of power supply relative to the striker that the rifle head moved, and the nail casket that is used for placing the nail, the striker is used for striking the nail of carrying to the rifle head outside the rifle head, the nail casket includes the casing, can be for the nail feeder and the elastic component of casing removal, the nail feeder is by the elastic component drive with constantly carrying the nail to the rifle head, the nail gun still includes detection device, detection device is used for detecting whether the surplus of nail reduces to the safety margin in the casing, detection device is photoelectric sensing device. The detection device is arranged to detect whether the nail allowance in the shell reaches the safety allowance or not so as to improve the operation safety; meanwhile, nails with safety margin exist in the nail box, so that the nail feeder is protected in a calculation range of a safe size chain, and the probability of nail clamping is further reduced.

Description

Nail gun

Technical Field

The utility model relates to a nail rifle.

Background

In the prior art, the scheme for detecting whether nails exist in a nail box of the nail gun is mostly in a mechanical structure mode, and the nail gun is mostly controlled to work in a nail-leaving-free mode. However, the method of leaving no nail may cause a safety hazard in the nail gun, and the size chain is difficult to control without leaving a nail margin, which may cause the nail feeder to be broken by the striker of the nail gun, thereby increasing the probability of the staple or the empty nail.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for improving the operation security and reduce the staple bolt probability or empty nailing probability takes place's nail rifle.

In order to achieve the above object, the utility model provides a following technical scheme nail rifle, including the nail rifle body that is provided with the power supply, with rifle head, the setting of this body coupling of nail rifle are in the rifle head and under the drive of power supply for the firing pin that the rifle head removed and the nail casket that is used for placing the nail, the firing pin is used for striking extremely the nail of carrying to the rifle head outside the rifle head, the nail casket includes the casing, can for nail feeder and the elastic component that the casing removed, nail feeder by the elastic component drive is in order to carry the nail constantly extremely the rifle head, the nail rifle still includes detection device, detection device is used for detecting whether the surplus of nail reduces to safe surplus in the casing, detection device is the photoelectric sensing device.

Further, the nail feeder is provided with a triggering position, and when the nail feeder moves to the triggering position, the allowance of nails between the nail feeder and the gun head is a safety allowance.

Further, the photoelectric sensing device comprises a base connected with the nail gun body, a circuit board arranged on the base, a light emitting source and a receiving source which are oppositely arranged and connected with the circuit board, the receiving source can receive light rays emitted by the light emitting source, the photoelectric sensing device also comprises a shielding piece arranged on the nail feeder, and when the nail feeder moves to the triggering position, the shielding piece moves to a position between the light emitting source and the receiving source so as to shield the receiving source from receiving the light rays emitted by the light emitting source.

Furthermore, the photoelectric sensing device further comprises a first wall arranged on one side of the light emitting source and a second wall arranged on one side of the receiving source, a first opening corresponding to the light emitting source is arranged on the first wall, a second opening corresponding to the receiving source is arranged on the second wall, and light emitted by the light emitting source can pass through the first opening and the second opening and then be received by the receiving source.

Further, the length of the first opening in the moving direction of the nail feeder is larger than that of the second opening.

Further, the length of the first opening in the direction of movement of the staple feeder is equal to or less than the length of the first wall.

Furthermore, the nail box also comprises a supporting piece fixedly connected with the nail feeding piece, one end of the elastic piece is connected with the supporting piece, and the other end of the elastic piece is connected with the shell.

Furthermore, an observation window used for observing the nail allowance in the shell is formed in the shell.

Further, the viewing window is located at the top of the housing.

Further, the casing includes with rifle head fixed connection's first casing and with the second casing of first casing detachable connection, be provided with on the first casing and be used for making detection device stretch into the recess in the casing, the observation window is seted up on the second casing.

The beneficial effects of the utility model reside in that: the detection device is used for detecting whether the allowance of the nails in the shell is reduced to the safe allowance or not, and the detection device is convenient and quick; meanwhile, nails with safety margin exist in the nail box, so that the nail feeder is protected in the calculation range of a safe size chain, and the probability of nail clamping is further reduced;

the nail feeder is provided with a triggering position, so that the detection device is triggered when the nail feeder reaches the triggering position, the nail gun is in a protection state and cannot continue to perform nailing action, and the operation safety is further improved.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a nail gun according to the present invention.

Fig. 2 is another schematic structural diagram of the nail gun of the present invention.

Fig. 3 is another schematic structural view of the nail gun of the present invention.

Fig. 4 is a schematic view of another structure of the nailing gun of the present invention.

Fig. 5 is an exploded view of the nail magazine of the present invention.

Fig. 6 is a partial schematic view of the magazine according to the present invention.

Fig. 7 is a schematic structural diagram of the photoelectric sensing apparatus of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other. In the description of the present invention, the axis direction is the same as the height direction.

Referring to fig. 1 and 2, the nailing gun 100 of a preferred embodiment of the present invention can be a pneumatic nailing gun 100, an electric nailing gun 100 or other types of nailing guns 100, and the present application is not limited to specific types of nailing guns 100, as the application may be practiced. Specifically, the nail gun 100 includes a nail gun body 1 provided with a power source (not shown), a gun head 2 connected to the nail gun body 1, a striker provided in the gun head 2 and moving relative to the gun head 2 under the drive of the power source, and a magazine 4 for placing and transporting nails to the gun head 2, wherein when a nail in the magazine 4 reaches the gun head 2, the striker reciprocates under the drive of the power source to hit the nail transported to the gun head 2 to the outside of the gun head 2, thereby performing a nailing operation.

The nail gun body 1 includes a handle 11 for grasping, a main body 12 connected to the handle 11 for performing a nailing operation, and an opening/closing portion 13 for operating the main body 12, and a power source is provided in the main body 12. The handle portion 11 and the body portion 12 form a U-shape therebetween for an operator to hold. The switch unit 13 includes a trigger 131 provided between the handle unit 11 and the body unit 12, and the trigger 131 is used to turn on and off the power source. The power source comprises a balance valve arranged in the main body part 12, a cylinder and a piston accommodated in the cylinder and connected with the firing pin, and the piston reciprocates in the cylinder and drives the firing pin to reciprocate in the gun head 2 under the drive of external force.

Referring to fig. 3, 5 and 6, the magazine 4 includes a housing 41, a nail feeder 42 movable relative to the housing 41, and an elastic member 43, and the nail feeder 42 is driven by the elastic member 43 to continuously feed nails into the gun head 2. The nail gun 100 further includes a detection device 3, and the detection device 3 is used for detecting whether the nail allowance in the housing 41 is reduced to a safe allowance. Specifically, the safety margin of the nails refers to the number of nails that can be seen when the user opens the housing 41, so as to prevent the nails from being overlooked in the housing due to the small size of the nails of the nail gun 100, and avoid potential safety hazards caused by misoperation. For example, in this embodiment, the nail has a safety margin of 8 nails. Indeed, in other embodiments, the safety margin of the nail may be other, and is not specifically limited herein, depending on the actual situation. The nail feeder 42 has a trigger position, and when the nail feeder 42 moves to the trigger position, the detection device 3 is triggered, and at this time, the remaining amount of nails existing between the nail feeder 42 and the gun head 2 is a safety margin. When the detection device 3 is triggered, the nail gun 100 is in the protection mode and cannot continue the nailing motion. The safety nail allowance of the nail gun 100 is preset, and the detection device 3 is installed according to the length of the safety nail allowance, and the installation position of the detection device 3 is the trigger position.

The housing 41 comprises a first housing 411 fixedly connected with the lance head 2 and a second housing 412 detachably connected with the first housing 411, an accommodating space is formed between the first housing 411 and the second housing 412, and the nail feeder 42 is arranged in the accommodating space. Accordingly, in order to enable the magazine 42 to trigger the detection device 3, the detection device 3 can be arranged either entirely in the magazine 4 or partially in the magazine 4. In order to facilitate the wire arrangement and the appearance of the nail gun 100, the detecting device 3 is connected to the nail gun body 1 and disposed at one side of the housing 41, and the housing 41 is provided with a groove 413 for extending the detecting device 3 into the accommodating space. Since the second housing 412 is detachable with respect to the first housing 411, in order to prevent damage or movement of the detection device 3 during detachment, in the present embodiment, a groove 413 is provided on the first housing 411.

In order to facilitate the user to observe the nail allowance inside the nail magazine 4, the casing 41 is provided with an observation window for observing the nail allowance inside the casing 41, and the user can supplement the nail according to the nail allowance observed inside the observation window. Wherein the viewing window is located at the top of the housing 41. In this embodiment, the observation window is opened on the second housing 412. Indeed, in other embodiments, the observation window may be located at other positions of the housing 41, and the length of the observation window is changed accordingly, and is not limited herein.

Referring to fig. 4, the nail feeder 42 includes a nail feeding member 421 for holding a nail, in this embodiment, the length of the nail feeding member 421 is greater than 10mm and less than 15mm, and indeed, in other embodiments, the length of the nail feeding member 421 may be other, which is not specifically limited herein, according to the actual situation. In order to make the staple feeder 421 run smoothly by the driving of the elastic member 43, the magazine 4 further includes a support member 44 fixedly connected to the staple feeder 421, one end of the elastic member 43 is connected to the support member 44, and the other end of the elastic member 43 is connected to the housing 41. In this embodiment, the elastic member 43 is a compression spring. When the nail is loaded in the magazine 4, the pressing spring is gradually compressed by the nail. When a nail is struck by the striker out of the gun head 2 to perform a nailing operation, the pressing spring is released, and the nail feeder 42 is driven to move toward the gun head 2. Indeed, in other embodiments, the elastic element 43 may be other, and is not limited herein, according to the actual situation.

Referring to fig. 7, the detecting device 3 is a photoelectric sensing device 3, the photoelectric sensing device 3 includes a base 31 connected to the nail gun body 1, a circuit board 32 disposed on the base 31, a light emitting source 33 and a receiving source 34 disposed opposite to each other and connected to the circuit board 32, and the receiving source 34 can receive light emitted from the light emitting source 33. The circuit board 32 is a PCB board. Indeed, in other embodiments, the circuit board 32 may be other, and is not limited herein, depending on the actual situation.

The photoelectric sensing device 3 further includes a first wall 35 disposed on one side of the light emitting source 33 and a second wall 36 disposed on one side of the receiving source 34, the first wall 35 is provided with a first opening 351 corresponding to the light emitting source 33, the second wall 36 is provided with a second opening 361 corresponding to the receiving source 34, and the light emitted by the light emitting source 33 can pass through the first opening 351 and the second opening 361 and then be received by the receiving source 34. In order to prevent the position deviation of the fastener 35 and other components caused by vibration during the operation of the nail gun 100, so that the first opening 351 is misaligned with the light source 33, and the light source 33 is not aligned with the first opening 351, and the light cannot be received by the receiving source 34, thereby causing false alarm, in the embodiment, the length of the first opening 351 along the moving direction of the nail feeder 42 is greater than the length of the second opening 361, so as to increase the signal emission range of the light pole light source 33, improve the reliability of the emission and receiving signals of the photoelectric sensing device 3, and avoid the occurrence of the situation that the light source 33 is blocked, and the receiving source 34 cannot normally alarm. Specifically, the length of the first opening 351 in the moving direction of the staple feeder 42 is equal to or less than the length of the first wall 35. In this embodiment, the length of the first opening 351 along the moving direction of the nail feeder 42 is equal to the length of the first wall 35, that is, the first wall 35 on the side of the light emitting source 33 is completely opened, so that the emitting range of the light source emitting the signal is enlarged, the receiving range of the light source receiving the signal is enlarged, and the reliability of photoelectric induction is improved.

As the nail feeder 42 has the triggering position, correspondingly, the photoelectric sensing device 3 further comprises a shielding piece 422 disposed on the nail feeder 42, the shielding piece 422 is connected with the nail feeder 421 and is used for triggering the detecting device 3. In this embodiment, in order to simplify the manufacturing process, the nail feeding member 421 and the shutter 422 are integrally press-molded. Indeed, in other embodiments, the nail feeding member 421 and the shielding member 422 are separately disposed and then fixedly installed, which is not specifically limited herein, according to the actual situation. The shield 422 forms an angle with the staple feed 421, which is preferably 90 ° in order to allow the shield 422 to better touch the light-emitting inductive device 3. Indeed, in other embodiments, the included angle between the blocking member 422 and the nail feeding member 421 may be other, and is not specifically limited herein, depending on the actual situation.

In summary, the following steps: the detection device 3 is arranged on one side of the shell 41, and the shell 41 is provided with a triggering position which enables a safe nail allowance to exist between the top of the nail feeder 42 and the gun head 2, so that when the nail feeder 42 reaches the triggering position, the detection device 3 is triggered to enable the nail gun 100 to be in a protection state and not to continue nailing action, and further, the operation safety is improved; meanwhile, there are nails with safety margin in the magazine 4, so that the nail feeder 42 is protected within the calculation range of the safe size chain, thereby reducing the occurrence of the staple probability.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A nail gun comprises a nail gun body provided with a power source, a gun head connected with the nail gun body, a firing pin arranged in the gun head and driven by the power source to move relative to the gun head, and a nail box used for placing nails, wherein the firing pin is used for striking the nails conveyed to the gun head to the outside of the gun head, the nail box comprises a shell, a nail feeder and an elastic piece, the nail feeder can move relative to the shell, the nail feeder is driven by the elastic piece to continuously convey the nails to the gun head, the nail gun is characterized by further comprising a detection device, the detection device is used for detecting whether the allowance of the nails in the shell is reduced to a safety allowance, and the detection device is a photoelectric induction device.

2. The nail gun of claim 1, wherein the nail feeder has a trigger position, and wherein a margin of nails present between the nail feeder and the gun head is a safety margin when the nail feeder is moved to the trigger position.

3. The nail gun of claim 2, wherein the photoelectric sensing device comprises a base connected to the nail gun body, a circuit board disposed on the base, a light source and a receiving source disposed opposite to each other and connected to the circuit board, the receiving source being capable of receiving light emitted from the light source, the photoelectric sensing device further comprising a shielding member disposed on the nail feeder, the shielding member being movable between the light source and the receiving source to shield the receiving source from receiving light emitted from the light source when the nail feeder is moved to the trigger position.

4. The nail gun of claim 3, wherein the photoelectric sensing device further comprises a first wall disposed at a side of the light emitting source and a second wall disposed at a side of the receiving source, wherein the first wall is provided with a first opening corresponding to the light emitting source, the second wall is provided with a second opening corresponding to the receiving source, and light emitted from the light emitting source can pass through the first opening and the second opening and then be received by the receiving source.

5. The nail gun of claim 4, wherein a length of the first opening in a direction of movement of the nail feeder is greater than a length of the second opening.

6. The nail gun of claim 4, wherein a length of the first opening in a direction of movement of the nail feeder is equal to or less than a length of the first wall.

7. The nail gun of claim 1, wherein the magazine further comprises a support member fixedly coupled to the nail feed member, one end of the resilient member being coupled to the support member and the other end of the resilient member being coupled to the housing.

8. The nail gun as claimed in claim 1, wherein the housing is formed with an observation window for observing the nail allowance in the housing.

9. The nailer of claim 8, wherein said viewing window is located at a top of said housing.

10. The nailer of claim 8, wherein the housing includes a first housing fixedly attached to the nosepiece and a second housing removably attached to the first housing, the first housing having a recess formed therein for the sensing device to extend into the housing, the viewing window opening in the second housing.