C-shaped nail gun

Abstract

The invention belongs to the technical field of nail guns, and particularly relates to a C-shaped nail gun which comprises a clamp device, the clamp device comprises a clamp supporting part, a left clamp part and a right clamp part, the left clamp part and the right clamp part are rotationally arranged in the clamp supporting part and provided with a clamping end and a driving end, a clamping jaw is formed between the clamping end of the left clamp part and the clamping end of the right clamp part, and the driving end of the clamping jaw is provided with a driving end. A driving opening is formed between the driving ends of the left clamp part and the right clamp part; the nail feeding device is connected with the clamp device and is used for conveying C-shaped nails into the clamp device; and a nail pushing device. The reset pieces are arranged on the left clamp part and the right clamp part, and the reset pieces can drive the left clamp part and the right clamp part to close the driving opening at the moment that the functional part leaves the driving opening, so that the clamping jaw is opened.

Description

Technical Field

[0001] This patent application belongs to the technical field of nail guns, and particularly refers to a C-shaped nail gun. Background Art

[0002] Referring to a C-shaped nail gun nail ring bite ring diameter adjustment device disclosed in Chinese invention patent 2013105667854, which includes a gun body, a clamp device and a driving cylinder are provided on the gun body, the driving cylinder is arranged at the tail of the clamp device, and the driving cylinder is composed of a cylinder sliding part rod and a cylinder housing, and the cylinder sliding part rod is connected to a push block on the clamp device.

[0003] This invention patent has the following defects: during the movement of the cylinder sliding part rod towards the clamp device, it will drive the push block to push the C-shaped nail located in the clamp device, and the left and right ends of the C-shaped nail will push open the clamped clamp device to enter the installation groove in the jaw for the clamp device to clamp again for the installation of the C-shaped nail; during the process of the C-shaped nail pushing open the clamp device, it will receive a reaction force from the clamp device, resulting in the deformation of the C-shaped nail, thus affecting the normal installation of the C-shaped nail. If the deformation is serious, the C-shaped nail may fall off from the installation groove in the jaw. Summary of the Invention

[0004] The purpose of this patent application is to provide a C-shaped nail gun that can effectively prevent the deformation of C-shaped nails.

[0005] The purpose of this patent application is achieved as follows:

[0006] A C-shaped nail gun, comprising:

[0007] A clamp device, which includes a clamp support component and a left jaw and a right jaw rotatably arranged in the clamp support component. The left jaw and the right jaw are provided with a clamping end and a driving end. A clamping jaw is formed between the clamping ends of the left jaw and the right jaw, and a driving opening is formed between the driving ends of the left jaw and the right jaw;

[0008] A nail feeding device, connected to the clamp device for feeding C-shaped nails into the clamp device; and

[0009] A nail pushing device, a nail pushing rod is driven to slide by the nail pushing device, and a functional component that slides in the clamp device is provided at one end of the nail pushing rod. The functional component is used to push the C-shaped nail to the clamping jaw and close the clamping jaw by the sliding of the functional component;

[0010] The clamp device further comprises a reset member, which is connected to the driving ends of the left and right jaws and is used to provide the force for driving the opening to open, so that the clamping jaws can be opened automatically. Furthermore, the reset member comprises two reset springs respectively connected to the clamping ends of the left and right jaws, and the two reset springs respectively push the clamping ends of the left and right jaws inwards.

[0011] Furthermore, the reset member includes a tension spring connected between the clamping ends of the left jaw portion and the right jaw portion, and the tension spring drives the clamping ends of the left jaw portion and the right jaw portion to clamp inwards.

[0012] Furthermore, the clamp support component includes two opposing clamp mounting plates, between which the left clamp part and the right clamp part are rotatably connected; a reset mounting plate is provided on the clamp mounting plate, and the reset mounting plate is provided with a reset mounting part extending between the two reset mounting plates, and the reset spring is provided between the reset mounting part and the corresponding clamping end.

[0013] Furthermore, the clamp support component also includes a clamp connecting block, which includes a first connecting end connected between two clamp mounting plates and a second connecting end for connecting to the nail pushing device, and the first connecting end is arranged perpendicular to the second connecting end.

[0014] Furthermore, the left jaw part and the right jaw part are provided with concave cavities, and the concave cavities on the left jaw part and the right jaw part are spliced to form a movable cavity; the movable cavity includes an avoidance portion for the sliding of the functional component, and a closing portion on one side adjacent to the driving opening, and the functional component slides along the closing portion to open the driving opening to close the clamping jaws.

[0015] Furthermore, the length of the closing portion in the moving direction of the functional component is one third to one fifth of the length of the movable cavity in the moving direction of the functional component.

[0016] Furthermore, the functional component includes a plurality of roller members slidably disposed in the active cavity, and the roller members are used to contact the closing portion to open the driving opening;

[0017] The functional component also includes a push plate slidably arranged in the movable cavity, and the left jaw part and the right jaw part are provided with a partition protrusion, and the partition protrusion is provided with a push nail groove for the push plate to slide, which is used to push the C-shaped nail to the clamping jaw through the push plate.

[0018] Furthermore, the nail pushing device comprises:

[0019] A sliding seat, wherein a sliding member is slidably provided in the sliding seat, the sliding member is connected with a nail pushing rod, and a force supply component is provided in the sliding seat and abuts against the sliding member;

[0020] The power mechanism rotates to drive a driving wheel. The driving wheel has a release part and a pushing part. A number of pushing pins are provided on the pushing part, and a number of abutting ends that abut against the pushing pins are provided on the sliding member.

[0021] When the driving wheel rotates so that its pushing part faces the abutting ends, the pushing pins on the pushing part sequentially abut against the abutting ends to make the sliding member slide in the positive direction.

[0022] When the driving wheel rotates so that its release part faces the abutting ends, the sliding member slides in the reverse direction under the action of the force-providing component.

[0023] Furthermore, a detecting member is provided on the sliding seat on the sliding track of the sliding member; when the detecting member detects the sliding member, the functional component on the nail-pushing rod is located in front of the driving opening, and the power mechanism is controlled to stop by the detecting member.

[0024] The prominent and beneficial technical effects of this patent application compared with the prior art are:

[0025] Since a reset member is provided on the left clamping part and the right clamping part in this patent, when the functional component leaves the driving opening, the reset member will drive the left clamping part and the right clamping part to close the driving opening, thereby opening the clamping jaws, so that during the process of the functional component pushing the C-shaped nail, the C-shaped nail will not abut against the left clamping part and the right clamping part, so the C-shaped nail will not be deformed due to the reaction force of the left clamping part and the right clamping part, and thus will not affect the normal installation of the C-shaped nail, effectively preventing the situation that the C-shaped nail falls off from the clamping jaws due to the deformation of the C-shaped nail.

[0026] The nail-pushing device in this patent has a coherent and compact overall movement. After a nail-driving action is completed by the user, the C-shaped nail can be automatically pushed into the clamping jaws, and the functional component of the nail-pushing rod can be retracted to in front of the driving opening, so as to facilitate the quick start of the next nail-driving action and increase the overall nail-driving efficiency. Description of the Drawings

[0027] Figure 1 is a schematic structural diagram of this patent application.

[0028] Figure 2 is a schematic cross-sectional diagram of this patent application.

[0029] Figure 3 is a schematic structural diagram of the clamping device and the nail-feeding device

[0030] Figure 4 is a schematic cross-sectional diagram of the nail-feeding device.

[0031] Figure 5 is an exploded schematic diagram of the clamping device.

[0032] Figure 6 It is a structural schematic diagram of the nail pushing device.

[0033] Figure 7 It is a structural diagram of the nail feeding device after the top cover is disassembled.

[0034] Figure 8 It is a structural diagram of the power mechanism and the sliding seat.

[0035] Figure 9 It is a schematic cross-sectional view of the sliding part when it is detected by the detection part.

[0036] Figure 10 It is a cross-sectional schematic diagram when the functional component props up the driving opening.

[0037] Figure 11 It is a structural schematic diagram of a nail gun provided with an operating handle.

[0038] The meaning of the symbols in the figure:

[0039] 1. Push pin device; 11. Casing; 111. First accommodating portion; 112. Second accommodating portion; 113. Third accommodating portion; 114. Fourth accommodating portion; 115. Top cover; 116. Support connecting plate; 12. Sliding seat; 121. Supporting portion; 122. Side fixing plate; 123. Sliding rod; 13. Sliding member; 131. Abutting end; 1311. Abutting long plate; 1312. Abutting short plate; 132. Sliding bracket; 133. Buffer member; 134. Touching portion; 14. Power supply assembly; 15. Power mechanism; 16. Driving wheel; 161. Release portion; 162. Pushing portion; 163. Pushing pin; 1631. Long pushing pin; 1632. Short pushing pin; 17. Detection member;

[0040] 2. Clamping device; 21. Left clamp; 22. Right clamp; 222. Active cavity; 2221. Closing portion; 2222. Avoiding portion; 223. Pushing nail cavity; 224. Spring groove; 225. Clamping end; 226. Driving end; 23. Driving opening; 24. Clamping jaw; 26. Separating protrusion; 261. Pushing nail groove; 27. Clamping mounting plate; 271. Clamping connecting block; 2711. First connecting end; 2712. Second connecting end; 272. Operating handle; 273. Guide spring; 274. Guide protrusion; 2741. Sliding surface; 2742. Abutting surface; 28. Reset mounting plate; 281. Reset mounting portion; 29. Reset member;

[0041] 3. Nail feeding device; 31. Nail guide rod; 32. Elastic coil spring; 33. Nail pushing block;

[0042] 4. Push rod; 41. Roller; 42. Push sheet; 43. Pin hole; Detailed implementation mode

[0043] The following further describes the present patent application in conjunction with specific embodiments:

[0044] A C-shaped nail gun includes a nail pushing device 1, a clamping device 2, and a nail feeding device 3. The nail pushing device 1 drives a nail pushing rod 4 to slide. A functional component is provided at one end of the nail pushing rod 4. The clamping device 2 includes a clamping support component, and a left clamping part 21 and a right clamping part 22 rotatably arranged in the clamping support component. The left clamping part 21 and the right clamping part 22 are provided with a clamping end 225 and a driving end 226. A clamping jaw 24 is formed between the clamping ends 225 of the left clamping part 21 and the right clamping part 22, and a driving opening 23 is formed between the driving ends 226 of the left clamping part 21 and the right clamping part 22. The nail feeding device 3 is connected to the clamping device 2 for feeding C-shaped nails into the clamping device 2. The functional component is driven by the nail pushing rod 4 to slide, for pushing the C-shaped nails to the clamping jaw 24 and controlling the opening of the clamping jaw 24 by the sliding of the functional component.

[0045] Specifically as Figure 1 、 2 As shown, the nail pushing device 1 in this patent includes a machine shell 11. The machine shell 11 can be divided into four parts, including two first accommodating parts 111 and second accommodating parts 112 that are vertically arranged front and back, a third accommodating part 113 horizontally arranged on the tops of the first accommodating part 111 and the second accommodating part 112, and a fourth accommodating part 114 horizontally arranged at the lower ends of the first accommodating part 111 and the second accommodating part 112. The first accommodating part 111, the second accommodating part 112, the third accommodating part 113, and the fourth accommodating part 114 integrally form a complete machine shell 11. In fact, the machine shell 11 in this embodiment is formed by splicing two semi-shells in opposite directions, and after the two semi-shells are spliced, the above-mentioned first accommodating part 111, second accommodating part 112, third accommodating part 113, and fourth accommodating part 114 are formed.

[0046] The nail pushing device 1 further includes a sliding seat 12. A sliding member 13 is slidably arranged in the sliding seat 12. The sliding member 13 is connected to the nail pushing rod 4. A force supply component 14 that abuts against the sliding member 13 is arranged in the sliding seat 12. Combined with Figure 6 、 7As shown, the sliding seat 12 is installed in the third accommodating portion 113, and a cavity adapted to the shape of the sliding seat 12 is provided in the third accommodating portion 113. The sliding seat 12 includes support portions 121 at its front and rear ends, a sliding rod connected between the two support portions 121, and two side fixing plates 122. The two ends of the side fixing plates 122 are respectively connected to the two support portions 121. The sliding member 13 is slidably disposed on the sliding rod 123, and a force supply assembly 14 is sleeved on the sliding rod 123. In this embodiment, the force supply assembly 14 is specifically a force supply spring sleeved on the sliding rod 123, and its two ends respectively abut against the sliding member 13 and the support portion 121. The force supply spring can adopt various forms. For example, only one force supply spring is provided in this embodiment. In other embodiments, the user can also set multiple force supply springs according to needs to increase the driving force. For example, multiple wound force supply springs or two force supply springs arranged left and right can be adopted.

[0047] Actually, the top of the third accommodating portion 113 is provided with an openable and closable top cover 115, and an installation space adapted to the shape of the sliding seat 12 is formed in the third accommodating portion 113 under the top cover 115. As Figure 6 、 7 shown, the front end of the top cover 115 is fixed to the support portion 121 at the front end of the sliding seat 12 by screws.

[0048] The staple pushing device 1 further includes a power mechanism 15. The power mechanism 15 includes a motor, a reducer, and a driving wheel 16. The driving wheel 16 has a release portion 161 and a pushing portion 162. A plurality of pushing pins 163 are provided on the pushing portion 162, and an abutting end 131 abutted against the pushing pins 163 is provided on the sliding member 13. Combining Figure 6 、 8 shown, the driving motor is installed in the second accommodating portion 112, and the driving wheel 16 is connected to the driving shaft of the driving motor. The driving wheel 16 is specifically a cam. One side of the cam is the pushing portion 162, and the other side of the cam is the release portion 161. The cam on the pushing portion 162 is provided with protruding pushing pins 163. Specifically, when the driving wheel 16 rotates so that its pushing portion 162 faces the abutting end 131, a plurality of the pushing pins 163 on the pushing portion 162 sequentially abut against the abutting end 131 to make the sliding member 13 slide in the direction opposite to the staple pushing direction; when the driving wheel 16 rotates so that its release portion 161 faces the abutting end 131, the sliding member 13 slides in the staple pushing direction under the action of the force supply assembly 14.

[0049] In addition, a buffer member 133 for abutting against the sliding member 13 is fixed on the supporting portion 121 at the front end of the sliding seat 12. The buffer member 133 can be made of a flexible material and is used for buffering when the sliding member 13 impacts the supporting portion 121 at the front end of the sliding seat 12 under the action of the force supply assembly 14, so as to reduce noise.

[0050] Reference Figure 2 , 7 , as shown in FIGS. 8, a protruding sliding bracket 132 is provided on the outer edge of the sliding member 13. Opposite pin holes 43 are provided at the upper end of the sliding bracket 132 and one end of the staple pushing rod 4, and the two are connected by arranging pins in the pin holes 43; the lower end of the sliding bracket 132 is close to the driving wheel 16, and an abutting end 131 is formed thereon. The abutting end 131 is used for abutting against the driving wheel 16 to realize the sliding of the sliding member 13. The abutting end 131 includes an abutting long plate 1311 and an abutting short plate 1312 arranged front and back on the sliding member 13. The pushing pin 163 includes a long pushing pin 1631 and a short pushing pin 1632. When the driving wheel 16 rotates, the short pushing pin 1632 pushes the abutting long plate 1311 to drive the sliding member 13 to slide, and then the long pushing pin 1631 pushes the abutting short plate 1312 to drive the sliding member 13 to slide, and the sliding member 13 is driven by the sequential and alternating abutment of the long pushing pin 1631 and the short pushing pin 1632.

[0051] In addition, a circuit board and a power source for driving the power mechanism 15 to move are provided in the fourth accommodating portion 114, and operation buttons are provided on the first accommodating portion 111. Therefore, the first accommodating portion 111 is used for the user to hold and operate to control the movement of the power mechanism 15, and the power mechanism 15 in the second accommodating portion 112 is powered by the battery and the circuit board in the fourth accommodating portion 114.

[0052] In addition, as Figure 6 shown, a detecting member 17 is provided on the sliding seat 12 on the sliding track of the sliding member 13; when the detecting member 17 detects the sliding member 13, the functional component on the staple pushing rod 4 is located in front of the driving opening 23, and the detecting member 17 controls the power mechanism 15 to stop. As Figure 6 shown, the detecting member 17 is specifically a trigger switch provided on the side fixing plate 122. When the sliding member 13 slides, it will contact this trigger switch, so as to control the driving motor to pause through this detecting member 17.

[0053] Considering that existing different nail guns may have clamp devices 2 of different specifications and sizes, and the sliding distances required by the pusher rods 4 for clamp devices 2 of different specifications and sizes are different, a touch portion 134 extending in the sliding direction of the sliding member 13 is further provided on one side of the sliding member 13 described in this patent. The touch portion 134 is specifically an annular sleeve, which is sleeved on the sliding rod and connected to the sliding member. The touch portion 134 is used to abut against the detection member 17 when the sliding member 13 slides. By increasing the lateral length of the entire sliding member 13 through the touch portion 134, the sliding member 13 can be disengaged from the stop with the detection member 17 in advance when the sliding member 13 slides, so as to adapt to clamp devices 2 of different specifications and sizes.

[0054] The clamp device 2 is fixed to the front end of the third accommodating portion 113. As Figure 3 , 5 shown, the clamp support member includes two vertically opposed clamp mounting plates 27. One end of the clamp mounting plate 27 is provided with a clamp connecting block 271 connected between the clamp mounting plates 27. The clamp connecting block 271 has a first connection end 2711 connected between the two clamp mounting plates 27 and a second connection end 2712 for lapping on the end face of the support portion 121. The first connection end 2711 and the second connection end 2712 are perpendicularly arranged, so that the second connection end 2712 can be connected to the upper side end face of the support portion 121 by screws, so that the first connection end 2711 is connected between two vertically arranged clamp connecting blocks 271. At this time, the clamp connecting block 271 and the top cover 115 are respectively connected to the support portion 121 front and back. The user can directly disassemble the top cover 115 for maintenance by screws, and at the same time, the pin in the pin hole 43 can be removed, and then the entire clamp mechanism 2 can be removed by disassembling the clamp connecting block 271 on the support portion 121.

[0055] An installation space is formed between the two clamp mounting plates 27. The left clamp portion 21 and the right clamp portion 22 are rotatably connected between the two clamp mounting plates 27 and are positioned and fixed through the clamp mounting plates 27. The front and rear ends of the left clamp portion 21 and the right clamp portion 22 are respectively a clamping end 225 and a driving end 226. The clamping end 225 and the driving end 226 are both bent. A clamping jaw 24 is formed between the clamping ends 225 of the left clamp portion 21 and the right clamp portion 22, and a driving opening 23 is formed between the driving ends 226 of the left clamp portion 21 and the right clamp portion 22.

[0056] At the rotational connection point of the left clamping part 21 and the right clamping part 22, there is a protruding partition bump 26. Concave cavities are provided on the left clamping part 21 and the right clamping part 22 on the side of the partition bump 26 facing the driving opening 23. The concave cavities on the left clamping part 21 and the right clamping part 22 are spliced to form a movable cavity 222. The functional components on the nail pushing rod 4 extend into the movable cavity 222 and slide within the movable cavity 222. In fact, the movable cavity 222 includes an avoidance part 2222 for the functional components to slide, and a constriction part 2221 on the side close to the driving opening 23. The functional components can slide along the constriction part 2221 to expand the driving opening 23, or slide in the avoidance part 2222 to push the C-shaped nail.

[0057] It should be noted that semi-circular grooves are provided at one ends of the left clamping part 21 and the right clamping part 22 where the driving opening 23 is formed. The two semi-circular grooves are spliced to form a circular hole. Correspondingly, a corresponding circular hole is also provided on the clamp connecting block 271. The nail pushing rod 4 passes through the clamp connecting block 271 and the driving opening 23 in sequence through the above-mentioned circular hole and enters the movable cavity 222. Through the semi-circular groove, even when the driving opening 2 is closed, the nail pushing rod 4 can penetrate into the movable cavity 222.

[0058] The functional components include a plurality of roller members 41 provided at the end of the nail pushing rod 4, such as Figure 2 shown. There are four roller members 41, and they are respectively connected in pairs on the front and back sides of both sides of the end of the nail pushing rod 4. When the nail pushing rod 4 slides towards the driving opening 23, it will slide along the constriction part 2221 through the roller members 41 to gradually push open the driving opening 23, so that the left clamping part 21 and the right clamping part 22 rotate, and the clamping jaws 24 formed at the other ends of the left clamping part 21 and the right clamping part 22 are clamped. The functional components also include a pushing piece 42 connected to the end of the nail pushing rod 4. The pushing piece 42 is entirely located in the avoidance part 2222 of the movable cavity 222. A nail pushing groove 261 for the pushing piece 42 to slide is provided on the partition bump 26 of the left clamping part 21 and the right clamping part 22. During the sliding process of the nail pushing rod 4, it will pass through the nail pushing groove 261 to push the C-shaped nail located in the nail pushing cavity 223 and make it enter the clamping jaws 24. The purpose of setting the partition bump 26 is to prevent the C-shaped nail from entering the movable cavity 222 and also effectively limits the movement of the nail pushing rod 4.

[0059] To facilitate the user to operate the C-shaped nail gun described in this patent, such as Figure 11As shown, an operating handle 272 is fixed to one of the clamp mounting plates 27 by screws for the user to directly hold and operate. In addition, to increase the stability of the clamp device 2 after installation, a support connecting plate 116 is fixed to the front side of the second accommodating portion 112 of the housing 11. The support connecting plate 116 extends upward and is fixedly connected to the side of the clamp mounting plate 27.

[0060] The nail feeding device 3 is fixed to one side of the clamp device 2. The left clamp portion 21 and the right clamp portion 22 on the side of the separating bump 26 facing the clamping jaws 24 are also bent in the same way to form a nail pushing cavity 223 for accommodating C-shaped nails. For specific reference Figure 3 、 4 , the nail feeding device 3 includes a nail guiding rod 31 connected to one side of the clamp device 2. An elastic coil spring 32 is provided on one side of the nail guiding rod 31. One end of the elastic coil spring 32 is connected with a nail pushing block 33. The nail guiding rod 31 is arranged with a row of C-shaped nails. The nail block 33 at the end of the elastic coil spring 32 is located at the end of the row of C-shaped nails. The C-shaped nails on the nail guiding rod 31 are gradually pushed into the nail pushing cavity 223 in the clamp device 2 by the curling force of the elastic coil spring 32, and then pushed into the clamping jaws 24 by the functional components on the nail pushing rod 4.

[0061] Furthermore, a reset member 29 is further included. The reset member 29 is connected to the driving ends 226 of the left clamp portion 21 and the right clamp portion 22 to provide a force for opening the clamping jaws 24 to automatically open the clamping jaws 24. As Figure 3 、 5 shown, a reset mounting plate 28 is provided on one of the clamp mounting plates 27. The reset mounting plate 28 directly covers the clamp mounting plate 27 by screws. The reset mounting plate 28 is provided with a reset mounting portion 281 offset towards the space between the two clamp mounting plates 27, and the reset member 29 is provided on the reset mounting portion 281.

[0062] The reset member 29 in this patent adopts a reset spring. One end of the reset spring is sleeved on the reset mounting portion 281, and the other end abuts against the driving end 226 of the left clamp portion 21 / right clamp portion 22. In this patent, in order to stably install the reset spring, spring grooves 224 for accommodating the reset spring are provided on the left clamp portion 21 and the right clamp portion 22.

[0063] The C-shaped nail gun in this patent is used as follows:

[0064] In the initial state, there is no C-shaped nail in the clamping jaw 24, and the nail feeding device 3 feeds the C-shaped nail into the presumed cavity 223. At this time, the user controls the rotation of the power mechanism 15 through the button on the nail gun. Since the power mechanism 15 in this patent application uses a drive motor, after the drive motor rotates, the drive motor drives the drive wheel 16 to rotate through a speed reducer, so that the push pin 163 on the drive wheel 16 acts on the abutting end 131 of the sliding member 13, and pushes the sliding member 13 to slide in the opposite direction of nail pushing against the force supply assembly 14, so that the nail pushing rod 4 slides, and the functional component slides in the avoidance portion 2222 of the movable cavity 222 until the functional component slides to the necking portion 2221 and expands the drive opening 23. When the drive opening 23 is opened, the clamping jaw 24 is clamped. After that, the drive motor drives the drive wheel 16 to continue to rotate, so that the release portion 161 on the drive wheel 16 faces the sliding member 13. The sliding member 13 is no longer limited by the push pin 163 and slides in the direction of nail pushing under the action of the force supply assembly 14, so that the nail pushing rod 4 moves towards the clamping jaw 24, and the functional component on the nail pushing rod 4 pushes the C-shaped nail in the nail pushing cavity 223 into the clamping jaw 24.

[0065] At this time, the normal operation of the C-shaped nail gun starts. After there is a C-shaped nail in the clamping jaw 24, the user controls the start of the drive motor by operating the button, drives the sliding member 13 and slides in the opposite direction of nail pushing against the force supply assembly 14, so that the functional component expands the drive opening 23 to clamp the C-shaped nail located therein, realizing nail driving. Then the drive motor continues to rotate. When the release portion 161 on the drive wheel 16 faces the sliding member 13, the sliding member 13 slides under the action of the force supply assembly 14 and pushes the C-shaped nail located in the nail pushing cavity 223 into the clamping jaw 24 again. During the pushing process, since there are reset members 29 provided on the left clamping portion 21 and the right clamping portion 22 in this patent, when the functional component leaves the drive opening 23, the reset member 29 will drive the left clamping portion 21 and the right clamping portion 22 to close the drive opening 23, so that the clamping jaw 24 is opened, so that during the process of the functional component pushing the C-shaped nail, the C-shaped nail will not abut against the left clamping portion 21 and the right clamping portion 22, so the C-shaped nail will not be deformed due to the reaction force of the left clamping portion 21 and the right clamping portion 22, and thus will not affect the normal installation of the C-shaped nail, effectively preventing the situation that the C-shaped nail falls off from the clamping jaw 24 due to the deformation of the C-shaped nail.

[0066] In addition, since there is a detection member 17 provided on the sliding seat 12 in this patent on the sliding track of the sliding member 13, the user can control the stop position of the sliding member 13 according to this detection member 17 to control the working process of the entire nail gun.

[0067] Specifically, after the sliding member 13 is driven by the force supply assembly 14 to move in the nail pushing direction, the driving motor continues to rotate, so that the pushing pin 163 on the driving wheel 16 abuts against the sliding member 13 again, to drive it to move in the direction opposite to the nail pushing direction until the sliding member 13 moves to the position where the detecting member 17 is located and pauses; at this time, the functional component on the nail pushing rod 4 will be driven to stop in front of the clamping jaws 24, that is, as Figure 9 shown.

[0068] At this time, the C-shaped nail gun can be regarded as being in a state of waiting to drive a nail. Only when the user continues to start the driving motor will the driving wheel 16 continue to rotate, so that the sliding member 13 continues to slide a short distance under the action of the pushing pin 163, so as to drive the functional component to slide into the driving opening 23, so that the clamping jaws 24 clamp to drive a nail, that is, as Figure 10 shown. After the clamping jaws 24 clamp to complete driving a nail, the driving motor will continue to rotate, so that the release portion 161 on the driving wheel 16 faces the sliding member 13, resulting in the sliding member 13 being immediately driven to slide in the nail pushing direction under the action of the force supply assembly 14, driving the nail pushing rod 4 to push the next C-shaped nail into the clamping jaws 24; after the C-shaped nail is pushed into the clamping jaws 24, the driving wheel 16 continues to rotate so that the pushing portion 162 on it acts on the abutting end 131 on the sliding member 13 again, causing the sliding member 13 to slide in the direction opposite to the nail pushing direction, driving the functional component on the nail pushing rod 4 to slide in front of the clamping jaws 24 until the sliding member 13 contacts the detecting member 17. At this time, the detecting member 17 detects a signal to control the driving motor to stop, so that the functional component stops in front of the clamping jaws 24 and returns to the state of waiting to drive a nail again.

[0069] Since the driving motor continuously drives the driving wheel 16 to rotate, the clamping of the clamping jaws 24, the sliding of the sliding member 13 driven by the force supply assembly 14, and the pushing portion 162 acting on the abutting end 131 on the sliding member 13 again to drive the functional component on the nail pushing rod 4 to slide in front of the clamping jaws 24 are sequentially and continuously realized. The whole action is coherent and compact, enabling the user to automatically push the next C-shaped nail into the clamping jaws 24 and retract the functional component of the nail pushing rod 4 to in front of the driving opening 23 after completing one nail driving action, so that the functional component can immediately contact the driving opening 23 for the next nail driving during the next nail driving, increasing the overall nail driving efficiency.

[0070] Refer to Figure 9 、 10The length of the closing portion 2221 in the direction of movement of the functional component is one third to one fifth of the length of the active cavity 222 in the direction of movement of the functional component, and the lateral length it occupies is relatively small. Before and after the functional component retracts to the driving opening 23, the functional component only needs to slide a short distance to open the driving opening 23 to achieve the clamping of the clamping jaws 24.

[0071] In other embodiments, the nail pushing device 1 in this patent can also adopt other forms, such as being directly driven by a cylinder or a motor push rod. Compared with others, this patent completes the action of half the stroke of the nail pushing rod 4 by setting a force supply component 14, and the cylinder or the motor push rod both require complete power to drive the nail pushing rod 4 to move in the forward and reverse directions. In comparison, the nail pushing device 1 in this patent is more energy-saving and has a better endurance effect.

[0072] In other embodiments, the reset member 29 includes a tension spring connected between the clamping ends 225 of the left jaw portion 21 and the right jaw portion 22, and the tension spring drives the clamping ends 225 of the left jaw portion 21 and the right jaw portion 22 to clamp inward, which can also achieve the working purpose of this patent.

[0073] Furthermore, the clamp mounting plate 27 is provided with a guide spring 273, and the guide spring 273 is provided with a guide protrusion 274 located in the clamping jaw 24. Figure 11 , 4As shown, the guide spring piece 273 is fixed to the outside of the clamp mounting plate 27 by screws, and the guide spring piece 273 extends toward the nail pushing cavity 223; the guide protrusion 274 is formed on the surface of the guide spring piece 273 facing the nail pushing cavity 223, and the guide protrusion 274 is on the nail feeding path of the C-shaped nail. The guide protrusion 274 is used to contact the C-shaped nail when it is driven to slide, and the guide protrusion 274 is provided with a sliding surface 2741 for abutting against the C-shaped nail on the inner side facing the nail pushing cavity 223, and the front end of the guide spring piece 273 is slightly offset toward the nail pushing cavity 223, thereby forming an inclined sliding surface 2741. During the sliding process of the C-shaped nail, one side of the C-shaped nail slides along the sliding surface 2741, and the guide spring piece 273 is bent by the push of the C-shaped nail, so that the guide protrusion 274 gradually moves outward, so that the C-shaped nail can continue to move forward into the clamping jaw 24. After the C-shaped nail is clamped in the jaws 24, the nail gun is about to start nailing. At this time, the guide protrusion 274 is re-placed in the nail pushing cavity 223 under the action of the guide spring 273 and is located at the back of the C-shaped nail. The abutment surface 2742 is formed at the front end of the guide protrusion 274, which abuts against the back of the C-shaped nail. At this time, if the clamping jaws 23 are clamped, the C-shaped nail is clamped at the same time. When the existing nail gun clamps the C-shaped nail, if the C-shaped nail is of poor quality or the C-shaped nail is not in the right position, it is easy to cause the C-shaped nail to be clamped into a flat shape, resulting in the C-shaped nail not being fixed firmly enough; while the patent uses the guide protrusion 274 to abut against the back of the C-shaped nail, so that the C-shaped nail is evenly stressed when clamped, so that it will not be pressed into a flat shape, so that the C-shaped nail is fixed more firmly.

[0074] The above embodiments are only preferred embodiments of the present patent application and are not intended to limit the protection scope of the present patent application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present patent application should be included in the protection scope of the present patent application.

[0075] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of this patent application, so they have no substantial technical significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the effects and purposes that can be achieved by this patent application, should still fall within the scope of the technical content disclosed in this patent application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of this patent application. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of this patent application without substantial change in the technical content.

[0076] It should also be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there may be an intermediate element present at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or it can also be indirectly connected to the other element through an intermediate element.

[0077] In addition, in the present application, descriptions involving "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. Additionally, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

Claims

1. A C-shaped stapler, characterized in that, Comprising: A clamp device (2), the clamp device (2) includes a clamp support member, and a left clamp part (21) and a right clamp part (22) rotatably arranged in the clamp support member. The left clamp part (21) and the right clamp part (22) are provided with a clamping end (225) and a driving end (226). A clamping jaw (24) is formed between the clamping ends (225) of the left clamp part (21) and the right clamp part (22), and a driving opening (23) is formed between the driving ends (226) of the left clamp part (21) and the right clamp part (22); A nail feeding device (3), connected to the clamp device (2) for feeding C-shaped nails into the clamp device (2); And A nail pushing device (1), the nail pushing device (1) drives a nail pushing rod (4) to slide. One end of the nail pushing rod (4) is provided with a functional component that slides in the clamp device (2). The functional component is used to push the C-shaped nail to the clamping jaw (24) and to close the clamping jaw (24) by the sliding of the functional component; Wherein, the clamp device (2) further includes a reset member (29). The reset member (29) is connected to the driving ends (226) of the left clamp part (21) and the right clamp part (22) for providing a force to open the driving opening (23) to automatically open the clamping jaw (24).

2. The C-shaped staple gun according to claim 1, wherein: The reset member (29) includes two reset springs respectively connected to the clamping ends (225) of the left clamp part (21) and the right clamp part (22). The two reset springs respectively push the clamping ends (225) of the left clamp part (21) and the right clamp part (22) to clamp inward.

3. The C-shaped stapler according to claim 1, characterized in that: The reset member (29) includes a tension spring connected between the clamping ends (225) of the left clamp part (21) and the right clamp part (22), and drives the clamping ends (225) of the left clamp part (21) and the right clamp part (22) to clamp inward through the tension spring.

4. The C-shaped staple gun according to claim 2, wherein: The clamp support member includes two opposed clamp mounting plates (27). The left clamp part (21) and the right clamp part (22) are rotatably connected between the two clamp mounting plates (27). A reset mounting plate (28) is provided on the clamp mounting plate (27). The reset mounting plate (28) is provided with a reset mounting portion (281) extending between the two reset mounting plates (28). A reset spring is provided between the reset mounting portion (281) and the corresponding clamping end (225).

5. The clamp device according to claim 4, characterized in that: The clamp support member further includes a clamp connection block (271). The clamp connection block (271) includes a first connection end (2711) connected between the two clamp mounting plates (27) and a second connection end (2712) for connecting the nail pushing device (1). The first connection end (2711) and the second connection end (2712) are perpendicularly arranged.

6. The C-shaped stapler according to any one of claims 1-5, characterized in that: The left clamping part (21) and the right clamping part (22) are provided with concave cavities, and the concave cavities on the left clamping part (21) and the right clamping part (22) are spliced to form a movable cavity (222); the movable cavity (222) includes an avoidance part (2222) for the functional component to slide, and a necking part (2221) on one side adjacent to the driving opening (23). The functional component slides along the necking part (2221) to expand the driving opening (23) so that the clamping jaws (24) are closed.

7. The C-shaped staple gun according to claim 6, wherein: The length of the necking part (2221) in the movement direction of the functional component is one-third to one-fifth of the length of the movable cavity (222) in the movement direction of the functional component.

8. The C-shaped stapler according to claim 6, wherein: The functional component includes a plurality of roller parts (41) slidably arranged in the movable cavity (222), and the roller parts (41) are used to contact the necking part (2221) to expand the driving opening (23); The functional component further includes a pushing piece (42) slidably arranged in the movable cavity (222). The left clamping part (21) and the right clamping part (22) are provided with a separating convex block (26), and the separating convex block (26) is provided with a push pin groove (261) for the pushing piece (42) to slide, so as to push the C-shaped nail to the clamping jaws (24) through the pushing piece (42).

9. The C-shaped stapler according to claim 1, wherein: The push nail device (1) includes: A sliding seat (12), in which a sliding part (13) is slidably arranged. The sliding part (13) is connected with a push nail rod (4), and a force supplying component (14) for abutting against the sliding part (13) is arranged in the sliding seat (12); A power mechanism (15), the power mechanism (15) rotationally drives a driving wheel (16). The driving wheel (16) has a release part (161) and a pushing part (162). A plurality of pushing pins (163) are arranged on the pushing part (162), and a plurality of abutting ends (131) for abutting against the pushing pins (163) are arranged on the sliding part (13); When the driving wheel (16) rotates so that its pushing part (162) faces the abutting ends (131), a plurality of the pushing pins (163) on the pushing part (162) sequentially abut against the abutting ends (131) to make the sliding part (13) slide in the positive direction; When the driving wheel (16) rotates so that its release part (161) faces the abutting ends (131), the sliding part (13) slides in the reverse direction under the action of the force supplying component (14).

10. The C-shaped staple gun according to claim 9, characterized in that: A detecting part (17) is arranged on the sliding seat (12) on the sliding track of the sliding part (13); when the detecting part (17) detects the sliding part (13), the functional component on the push nail rod (4) is located in front of the driving opening (23), and the power mechanism (15) is controlled to stop by the detecting part (17).

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