Nailing device

CN114055405BActive Publication Date: 2026-08-21HANGZHOU GREAT STAR IND CO LTD
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Patent Information

Application Number
CN202010788154.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-07
Publication Date
2026-08-21
Estimated Expiration
2040-08-07

AI Technical Summary

Technical Problem

钉枪是装修以及地板铺设时的常用工具,其在使用过程中通常需要一个稳定的状态打钉,尤其在凸缘边打钉的情况下,会碰到各种角度下的打钉情况,比如铺设地板时需要沿着地板凸缘打钉,对于钉子的打击角度非常有要求,而手持式钉枪存在握持方面的问题,并且不能保持固定打钉姿势

Benefits of technology

[0034] 1. After the support frame is connected to the nail gun, it can help the nail gun to tilt stably for nailing, and can be used as a nail gun for floor nailing; 2. The support frame and nail gun can be quickly connected, making it convenient to use; 3. The connection position of the support frame on the nail gun is adjustable, which can be used for edge nailing of different board thicknesses, thus expanding the scope of application; 4. The nailing device in this invention has a simple structure, low production cost, and is economical and practical.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a nailing device, which comprises a nail gun and a support frame, the nail gun has a nail outlet for providing a channel for a nail to be driven out, the support frame has a support surface, the support frame is used to support the nail gun, and the support frame is adjustably connected with the nail gun. The nailing device in the present application can help the nail gun to stably tilt and drive nails after the support frame is connected with the nail gun, and can be used as a nail gun for driving nails on a floor. The support frame can be quickly and conveniently connected with the nail gun. The connection position of the support frame on the nail gun can be adjusted, so that the support frame can be used for driving nails on the edges of different thicknesses of plates, and the application range is enhanced. The nailing device in the present application has simple structure, low production cost and economic practicability.
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Description

Technical Field

[0001] This invention relates to a nail-driving device. Background Technology

[0002] A nail gun is a common nailing tool that uses power to drive multiple nails stored inside into the object being nailed. Nail guns are frequently used in renovations and flooring installations. They typically require a stable driving position, especially when nailing along flanges. Various angles are encountered when nailing, such as when laying flooring along the flange, where the nail's striking angle is crucial. Handheld nail guns present challenges in grip and cannot maintain a consistent driving posture. If the nailing angle is not consistent, misalignment can occur, resulting in weak connections or even cracks in the floor flange, rendering the floor unusable. Common nail guns are not adaptable to nailing different thicknesses of flooring; they are only suitable for one size or for nailing in the same location, lacking the ability to adjust the nailing position, making them inconvenient to use. Summary of the Invention

[0003] One of the objectives of this invention is to overcome the shortcomings of the prior art and provide a convenient nailing device.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solution:

[0005] The nailing device is characterized in that it comprises:

[0006] A nail gun having a nail ejection section for providing a channel for ejecting nails;

[0007] A support frame having a support surface; the support frame is used to support the nail gun.

[0008] The support frame is adjustablely connected to the nail gun.

[0009] According to one technical solution of the present invention, the nail is driven out of the nail gun in the nail ejection channel in the nail ejection direction, and the connection position of the support frame on the nail gun can be adjusted in the nail ejection direction or in the opposite direction to the nail ejection direction.

[0010] According to one technical solution of the present invention, the nail gun is provided with a plurality of marking lines, which are spaced apart, and the marking lines are used to indicate the relative position of the support frame and the nail gun.

[0011] According to one technical solution of the present invention, when the support frame is adjusted to the connection position on the nail gun, it can cover part or all of the marking line.

[0012] According to one technical solution of the present invention, the marking line is disposed on the nail protrusion portion.

[0013] According to one technical solution of the present invention, the support frame is connected to the nail protrusion and the connection position can be adjusted.

[0014] According to one technical solution of the present invention, the support frame is provided with a through hole, and the protruding nail part passes through the through hole.

[0015] According to one technical solution of the present invention, the nail ejection part includes a nail ejection tube and a guide block, the guide block protruding from the nail ejection tube; the support frame is slidably fitted onto the guide block along the guide block.

[0016] According to one technical solution of the present invention, the guide block extends from the nail outlet tube and protrudes forward from the nail outlet tube, and the guide block also protrudes to at least one side from the nail outlet tube.

[0017] According to one technical solution of the present invention, a plurality of marking lines are also provided, and the plurality of marking lines are arranged at intervals on the guide block.

[0018] According to one technical solution of the present invention, the nailing device further includes a connector, which connects the support frame and the nail gun, and can adjust the connection position of the mounting frame on the nail gun.

[0019] According to one technical solution of the present invention, the connector is movably disposed on the support frame, and the connection between the support frame and the nail gun is released after the connector is moved, and the connector is resettable.

[0020] According to one technical solution of the present invention, it further includes an elastic device having elastic force; the elastic force causes the connector to connect the support frame and the nail gun; the elastic device can reset the connector after the connector moves.

[0021] According to one technical solution of the present invention, the structure of the connector is a toggle switch, a connecting block, a knob, or a cam;

[0022] The dial is rotatably mounted on the support frame. The nail gun has multiple first toothed grooves arranged along the moving direction of the support frame. One end of the dial is embedded in one of the first toothed grooves, connecting the support frame to the nail gun, while the other end of the dial is free. The elastic device is a first elastic device disposed on the support frame, possessing elastic force that holds the dial embedded in the first toothed groove at one end.

[0023] The connecting block is provided with at least one protruding tooth; the gun body is provided with multiple second tooth grooves, which are arranged along the moving direction of the support frame; the protruding tooth is embedded in the second tooth groove to connect the support frame and the gun body; the connecting block can move perpendicular to the nail ejection direction; after the connecting block moves, the protruding tooth retracts from the second tooth groove; the elastic device is a second elastic device, which has elastic force, and the elastic force keeps the connecting block in the position where the protruding tooth is embedded in the second tooth groove, and / or...

[0024] The knob is movably mounted on the support frame perpendicular to the nail dispensing direction, and the knob can abut against the nail dispensing part; the knob connects the support frame and the nail dispensing part by abutting against the nail dispensing part; or...

[0025] The cam is rotatably mounted on the support frame. During rotation, the cam can abut against the nail outlet and can release itself from abutting the nail outlet. The cam connects the support frame and the nail outlet by abutting against the nail outlet.

[0026] According to one technical solution of the present invention, the nail ejection part includes a nail ejection tube and a guide block, the guide block protruding from the nail ejection tube; a first tooth groove, a second tooth groove or a third tooth groove is disposed on the guide block.

[0027] According to one technical solution of the present invention, the support frame is provided with a first shaft, and the knob can rotate around the first shaft; the support frame is provided with a receiving hole and an opening, the opening communicates with the receiving hole, a portion of the protruding part is inserted into the receiving hole, and one end of the knob can pass through the opening and be embedded in the first tooth groove.

[0028] According to one technical solution of the present invention, a pivot pin is provided on the connecting block, and the pivot pin is movably disposed on the support frame; the second elastic device is a compression spring, which is fitted on the pivot pin, with one end abutting against the support frame and the other end abutting against the connecting block; when the pivot pin moves, it drives the connecting block to move, and the compression spring can reset the pivot pin and the connecting block.

[0029] According to one technical solution of the present invention, a groove is provided on one side of the second tooth groove along the moving direction of the protruding tooth, and the protruding tooth is opposite to the groove after it exits the second tooth groove.

[0030] According to one technical solution of the present invention, the first elastic device is a torsion spring, and the second and third elastic devices are both cylindrical springs.

[0031] According to one technical solution of the present invention, the knob is a threaded fastener, the threaded fastener is threadedly engaged with the support frame, and the threaded fastener passes through the support frame and abuts against the protruding nail portion.

[0032] The nailing device of this invention includes a support frame for supporting the nail gun, which stably supports the nail gun in the nailing state. The mounting position of the support frame on the nail gun is adjustable, making the nail gun suitable for nailing objects of different thicknesses. For the same nailing object, the nailing position of the nail gun can be adjusted, making it convenient to use.

[0033] The nail-driving device proposed in this invention has at least the following advantages compared with the prior art:

[0034] 1. After the support frame is connected to the nail gun, it can help the nail gun to tilt stably for nailing, and can be used as a nail gun for floor nailing; 2. The support frame and nail gun can be quickly connected, making it convenient to use; 3. The connection position of the support frame on the nail gun is adjustable, which can be used for edge nailing of different board thicknesses, thus expanding the scope of application; 4. The nailing device in this invention has a simple structure, low production cost, and is economical and practical. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the nailing device in Embodiment 1 of the present invention.

[0036] Figure 2 This is a schematic diagram of the installation and disassembly of the nail gun and support frame in the nailing device of Embodiment 1 of the present invention. The support frame in the figure is a cross-sectional view.

[0037] Figure 3 This is a schematic diagram of the partial disassembled structure of the nail gun and support frame in Embodiment 1 of the present invention.

[0038] Figure 4 This is a schematic diagram showing the relationship between the nail protrusion part and the support frame in Embodiment 1 of the present invention.

[0039] Figure 5 This is a schematic diagram of the support frame structure in Embodiment 1 of the present invention.

[0040] Figure 6 This is a schematic diagram of the support frame in Embodiment 1 of the present invention viewed from another angle.

[0041] Figure 7 This is a side view of the support frame in Embodiment 1 of the present invention.

[0042] Figure 8 This is a schematic diagram of the nailing device in use in Embodiment 1 of the present invention.

[0043] Figure 9 This is a schematic diagram of the nailing device in use according to Embodiment 1 of the present invention. The support frame in the figure is a cross-sectional view.

[0044] Figure 10 This is a schematic diagram of the cooperation relationship between the support frame and the nail outlet in Embodiment 1 of the present invention. The support frame in the figure is a cross-sectional view.

[0045] Figure 11 This is a schematic diagram of another usage state of the nailing device in Embodiment 1 of the present invention. The support frame in the figure is a cross-sectional view.

[0046] Figure 12 This is a schematic diagram of the nailing device structure in Embodiment 2 of the present invention.

[0047] Figure 13 This is a schematic diagram of the nail-out section in Embodiment 2 of the present invention.

[0048] Figure 14 This is a schematic diagram of the support frame structure in Embodiment 2 of the present invention.

[0049] Figure 15 This is a schematic diagram of the support frame in Embodiment 2 of the present invention viewed from another angle.

[0050] Figure 16 This is a schematic diagram of the connecting block structure in Embodiment 2 of the present invention.

[0051] Figure 17 This is a schematic diagram showing the cooperation relationship between the connecting block and the protruding nail part in Embodiment 2 of the present invention.

[0052] Figure 18 This is a schematic diagram of the nailing device structure in Embodiment 3 of the present invention.

[0053] Figure 19 This is a schematic diagram of the nail-out section in Embodiment 3 of the present invention.

[0054] Figure 20 This is a schematic diagram of the support frame structure in Embodiment 3 of the present invention.

[0055] Figure 21 This is a schematic diagram of the cam structure in Embodiment 3 of the present invention.

[0056] Figure 22 This is a schematic diagram showing the relationship between the protruding nail part and the support frame in Embodiment 4 of the present invention.

[0057] Figure 23 This is a schematic diagram of the support frame structure in Embodiment 4 of the present invention. Detailed Implementation

[0058] Example 1:

[0059] like Figures 1 to 3As shown, a nailing device 100 includes a nail gun 110 and a support frame 120. The nail gun 110 is used for nailing and its structure can be a conventional nail gun. The nail gun 110 has a nail ejection section 111. The nail ejection section 111 provides a nail ejection channel (not shown), from which the nail is ejected from the nail gun 110 in the nail ejection direction. The nail ejection direction is defined by the nail ejection channel and is generally a straight direction. Figure 2 For reference, the nail should be protruding vertically downwards. Figure 2 The arrows in the diagram indicate the direction of movement of the support frame 120.

[0060] like Figure 3 , Figure 4 As shown, the nail ejection section 111 includes a nail ejection tube 112 and a guide block 113. A nail ejection channel is provided on the nail ejection tube 112. The guide block 113 assists in the installation of the support frame 120 and guides the support frame 120 when its position is adjusted. The guide block 113 protrudes from the nail ejection tube 112. Figure 2 In the example shown, the guide block 113 is viewed from the side as an inverted L shape. The guide block 113 extends from the pin outlet tube 112 and protrudes forward from the pin outlet tube 112, with the forward-facing aspect being... Figure 2 For reference, it faces left. The guide block 113 also protrudes from the nail outlet tube 112 at least to one side; in the example shown, the guide block 113 protrudes from the nail outlet tube 112 on both sides. The "forward" orientation is according to... Figure 2 For reference, the left, one side, or both sides are... Figure 2 The direction is perpendicular to the paper for reference. A first toothed groove 114 is provided on the front surface 116 of the guide block 113. The first toothed groove 114 is used to cooperate with the toggle switch 130 (described later) to fix the support frame 120. There are multiple first toothed grooves 114, arranged along the nail ejection direction. The number of first toothed grooves 114 can be determined according to the moving distance of the support frame 120. Marking lines 115 are provided on the side of the guide block 113. There are multiple marking lines 115, arranged at intervals along the nail ejection direction. The marking lines 115 are used to indicate the relative position of the support frame 120 and the nail gun 110, that is, the connection position of the support frame 120 on the nail gun 110, for worker identification.

[0061] like Figure 3 , Figure 5 , Figure 6As shown, the support frame 120 includes a first plate portion 121 and a second plate portion 122. The first plate portion 121 is used to contact the nailing object or supporting structure and support the nail gun 110. The first plate portion 121 is provided with a support surface 123. The support surface 123 contacts the nailing object or supporting structure. The shape of the support surface 123 is adapted to the surface of the nailing object or supporting structure, suitable for contact with the nailing object or supporting structure, preferably surface contact. For example, when the nailing object is a floor, the surface of the floor that contacts the support frame 120 is flat, so the support surface 123 is also flat. When the first plate portion 121 contacts the floor, the support surface 123 contacts the floor surface. The first plate portion 121 is also provided with a through hole 124. The through hole 124 is used to accommodate the nail delivery tube 112 passing through. Figure 7 As shown, the support surface 123 forms an acute or right angle A with the nail protrusion direction. Figure 7 In the diagram, the arrow indicates the direction of the nail's protrusion.

[0062] The second plate portion 122 is used to mate with the guide block 113 and connect with the protruding part 111. The second plate portion 122 is provided with a receiving hole 125. The receiving hole 125 mates with the guide block 113, and the second plate portion 122 is fitted onto the guide block 113, allowing the support frame 120 to slide along the guide block 113. The shape of the receiving hole 125 is adapted to the shape of the guide block 113. The receiving hole 125 penetrates the second plate portion 122 in the protruding direction. The second plate portion 122 is also provided with an opening 126. The opening 126 communicates with the receiving hole 125 so that the toggle switch 130 (described later) passes through the opening 126 and contacts the guide block 113. The second plate portion 122 is provided with two lugs 127. The two lugs 127 are respectively provided on both sides of the opening 126. The two ends of the shaft 128 are inserted into the two lugs 127. The second plate portion 122 is disposed at the end of the first plate portion 121, and the two are integrally formed.

[0063] A toggle switch 130 is rotatably mounted on a shaft 128. The shaft 128 passes through the toggle switch 130. A torsion spring 129 is also mounted on the shaft 128. One of the torsion legs 1291 of the torsion spring 129 abuts against the toggle switch 130, and the other torsion leg 1292 abuts against the second plate portion 122. The torsion spring 129 has a spring force that holds the toggle switch 130 in the desired position.

[0064] like Figures 8 to 11As shown, when the support frame 120 is connected to the nail gun 110, the nail delivery tube 112 passes through the through hole 124, and the guide block 113 passes through the receiving hole 125. The support frame 120 is slidably fitted onto the guide block 113. One end 131 of the dial 130 is embedded in one of the first toothed grooves 114 to connect the support frame 120 to the nail delivery part 111. After one end 131 of the dial is embedded in the first toothed groove 114, it can restrict the support frame 120 from changing its relative position with the nail delivery part 111. The other end 132 of the dial 130 is freely disposed and suitable for being turned by a worker. The elastic force of the torsion spring 129 keeps one end 131 of the dial 130 embedded in the first toothed groove 114. When nailing, the support surface 123 of the support frame 120 is attached to the surface of the floor 200 to support the nail gun 110, and the nail gun 110 drives the nail out from the nail outlet tube 112 and nails it onto the floor 200. Figure 9 The image shows the nailed surface of a thicker 200 floorboard, which is 3 / 4 inch thick. Figure 10 As shown, when adjusting the connection position of the support frame 120 on the nail gun 110, the toggle switch 130 is turned so that one end 131 moves out of the first toothed groove 114. Then, the support frame 120 is moved in the nail ejection direction or in the opposite direction to change the relative position of the support frame 120 and the nail ejection part 111. During the movement, the support frame 120 covers part or all of the marking lines 115. The position of the support frame 120 can be determined according to the exposed marking lines 115. When the support frame 120 just covers all the marking lines 115, the support frame 120 moves to the top position. After the support frame 120 moves into place, the other end 132 of the toggle switch 130 is released. The toggle switch 130 is reset under the elastic force of the torsion spring 129, and one end 131 of it is inserted into another first toothed groove 114 to restrict the support frame 120 to that position. At this point, the toggle switch 130 connects the support frame 120 to the new position on the nail ejection part 111. Figure 11 The image shows the nail gun 110 being suitable for nailing thinner flooring 200 after the support frame 113 is adjusted to the connection position of the nail outlet 111. The flooring 200 is 3 / 8 inch thick.

[0065] In this embodiment, the toggle switch 130 is one embodiment of the connecting member. The torsion spring 129 is one embodiment of the first elastic device, which can be replaced by other components with the same function. The structure of the support frame 120 is not limited to the structure of the first plate portion 121 and the second plate portion 122.

[0066] Example 2

[0067] like Figure 12 , Figure 13As shown, this embodiment differs from Embodiment 1 in that the front surface 116 of the guide block 113 is provided with a groove 215, and a row of second toothed grooves 214 is provided on each side of the groove 215. Each row of second toothed grooves 214 contains multiple grooves arranged along the nail-out direction. The number of second toothed grooves 214 can be determined according to the moving distance of the support frame 120.

[0068] like Figure 14 , Figure 15 and Figure 16 As shown, the support frame 120 includes a first plate portion 121 and a second plate portion 122 as described in Embodiment 1. In this embodiment, the second plate portion 122 does not have a lug 127. In this embodiment, a protective shell 220 is provided on the second plate portion 122. The protective shell 220 has a through hole 221. The through hole 221 extends perpendicular to the nail protrusion direction, penetrates the protective shell 220, and communicates with the receiving hole 125. A shaft pin 222 is inserted into the protective shell 220. The shaft pin 222 is movably disposed perpendicular to the nail protrusion direction. A movable connecting block 223 is provided in the through hole 221. The connecting block 223 is fitted onto the shaft pin 222. The connecting block 223 has a tooth 224. The tooth 224 can be one or multiple teeth arranged along the nail protrusion direction. In the example shown, multiple teeth 224 are arranged along the nail protrusion direction. A compression spring 225 is fitted onto the shaft pin 222. The compression spring 225 is located inside the perforation 221, with one end abutting against the protective shell 220 and the other end abutting against the connecting block 223.

[0069] The rest of the structure is the same as in Example 1.

[0070] like Figure 17 As shown, in this embodiment, multiple protrusions 224 are respectively embedded in multiple second tooth grooves 214 to engage the connecting block 223 with the guide block 113, connecting the support frame 120 with the nail ejector 111. The elastic force of the compression spring 225 keeps the connecting block 223 in this state. The support frame 120 cannot move in the nail ejection direction at this time. When it is necessary to change the connection position of the support frame 120 on the nail gun 110, push the shaft pin 222 to move the connecting block 223 perpendicular to the nail ejection direction. The protrusions 224 move out of the second tooth grooves 214 until they are opposite to the grooves 215. Due to the grooves 215, the connecting block 223 and the guide block 113 are not engaged, and the connection between the support frame 120 and the nail ejector 111 is released. The compression spring 225 is compressed to generate a greater elastic force. At this time, the support frame 120 can move in the nail ejection direction or in the opposite direction to change its relative position with the nail gun 110. After the support frame 120 moves into place, the thrust on the shaft pin 222 is released, and the connecting block 222 is reset under the elastic force of the compression spring 225, and the multiple protrusions 224 are re-embedded into the multiple second tooth grooves 214.

[0071] In this embodiment, the compression spring 225 is one embodiment of the second elastic device, but it can also be replaced by other components with the same function. A groove 215 is provided on one side of the second tooth groove 214. After the protruding tooth 224 moves out of the second tooth groove 214, it faces the groove 215, which avoids interference caused by the protruding tooth 224 moving out of the second tooth groove 214, thus preventing it from affecting the normal movement of the connecting block 223. As an alternative embodiment, it is also feasible to provide only one row of second grooves 214 on one side of the groove 215.

[0072] In this embodiment, the connecting block 223 is one embodiment of the connector.

[0073] Example 3

[0074] like Figures 18 to 21 As shown, the difference in this embodiment 1 is that the guide block 113's front surface 116 does not have a first toothed groove 114. A cam 330 is fitted onto the shaft 128 of the support frame 120. The cam 330 is rotatably mounted around the shaft 128. The cam 330 is also connected to a handle 331. The cam 330 and the handle 331 are integrally formed.

[0075] The rest of the structure is the same as in Example 1.

[0076] In this embodiment, as the cam 330 rotates, its pushing force on the guide block 113 changes. When the pushing force of the cam 330 on the guide block 113 is large enough, the support frame 120 can be held in the desired connection position. Rotating the cam 330 reduces its pushing force on the guide block 113, allowing the support frame 120 to move along the protruding part 111. Once in place, rotating the cam 330 presses it against the guide block 113, holding the support frame 120 in that position.

[0077] In this embodiment, cam 330 is one embodiment of the connecting member.

[0078] Example 4

[0079] like Figure 22 and Figure 23As shown, the difference between this embodiment and Embodiment 1 is that the front surface 116 of the guide block 113 does not have a first toothed groove 114. The second plate portion 122 also does not have an opening 126. A threaded fastener 430 is threadedly connected to the second plate portion 122. The threaded fastener 430 is rotatably mounted. When the threaded fastener 430 rotates, it can move towards the guide block 113 until it presses against the guide block 113, fixing the support frame 120 at a designated position on the protruding part 111. When the position of the support frame 120 needs to be adjusted, the threaded fastener 430 is tightened to reduce the pushing force of the threaded fastener 430 on the guide block 113, allowing the support frame 120 to move along the protruding direction. After the support frame 120 is moved into position, the threaded fastener 430 is tightened to press against the guide block 113, fixing the support frame 120 in that position.

[0080] In this embodiment, the threaded fastener 430 is one embodiment of the connector.

[0081] The nail-driving device proposed in this invention has at least the following advantages compared with the prior art:

[0082] 1. After the support frame is connected to the nail gun, it can help the nail gun to tilt stably for nailing, and can be used as a nail gun for floor nailing; 2. The support frame and nail gun can be quickly connected, making it convenient to use; 3. The connection position of the support frame on the nail gun is adjustable, which can be used for edge nailing of different board thicknesses, thus expanding the scope of application; 4. The nailing device in this invention has a simple structure, low production cost, and is economical and practical.

[0083] The above embodiments are not intended to limit the present invention, and the present invention is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the technical solution of the present invention are also within the protection scope of the present invention.

Claims

1. A nail-driving device, characterized in that, The nailing device includes: A nail gun having a nail ejection section for providing a channel for ejecting nails; A support frame includes a first plate portion and a second plate portion, the second plate portion being disposed at the end of the first plate portion, the first plate portion and the second plate portion being integrally formed; the first plate portion has a support surface and a through hole, through which the nail outlet portion passes; the first plate portion is used to support the nail gun. The support frame is adjustablely connected to the nail gun; The nail ejection part includes a nail ejection tube and a guide block, the guide block protruding from the nail ejection tube; the second plate part is connected to the nail ejection part, and a receiving hole is provided through the second plate part along the nail ejection direction, the receiving hole is used to cooperate with the guide block, so that the support frame can be slidably fitted onto the guide block.

2. The nailing device according to claim 1, characterized in that, The nail is driven out of the nail gun through the nail ejection channel in the direction of nail ejection. The connection position of the support frame on the nail gun can be adjusted in the direction of nail ejection or in the opposite direction of nail ejection.

3. The nailing device according to claim 1, characterized in that, The nail gun is provided with multiple marking lines, which are spaced apart and are used to indicate the relative position of the support frame and the nail gun.

4. The nailing device according to claim 3, characterized in that, When the support frame is adjusted to its connection position on the nail gun, it can cover part or all of the marking line.

5. The nailing device according to claim 3 or 4, characterized in that, The marking line is set on the nail protrusion part.

6. The nailing device according to claim 1, characterized in that, The support frame is connected to the nail protrusion and the connection position can be adjusted.

7. The nailing device according to claim 1, characterized in that, The guide block extends from the nail ejector tube and protrudes forward from the nail ejector tube, and the guide block also protrudes to at least one side from the nail ejector tube.

8. The nailing device according to claim 1, characterized in that, Multiple marking lines are also provided, which are arranged at intervals on the guide block.

9. The nailing device according to claim 1, characterized in that, The nailing device also includes a connector that connects the support frame and the nail gun, and can adjust the connection position of the support frame on the nail gun.

10. The nailing device according to claim 9, characterized in that, The connector is movably mounted on the support frame. When the connector is moved, the support frame is disconnected from the nail gun. The connector can be reset.

11. The nailing device according to claim 10, characterized in that, It also includes an elastic device having a spring force; the spring force causes the connector to connect the support frame and the nail gun; the elastic device can reset the connector after the connector moves.

12. The nailing device according to claim 11, characterized in that, The connecting component is a toggle switch, a connecting block, a knob, or a cam. The dial is rotatably mounted on the support frame, and the nail gun is provided with a plurality of first toothed grooves, which are arranged along the moving direction of the support frame. One end of the dial is embedded in the first toothed groove to connect the support frame to the nail gun, and the other end of the dial is free; the elastic device is a first elastic device, which is disposed on the support frame and has elastic force, which holds the dial embedded in the first toothed groove at one end; or... The connecting block is provided with at least one protruding tooth; the nail gun is provided with multiple second tooth grooves, which are arranged along the moving direction of the support frame; the protruding tooth is embedded in the second tooth groove to connect the support frame and the nail gun; the connecting block can move perpendicular to the nail ejection direction; after the connecting block moves, the protruding tooth retracts from the second tooth groove; the elastic device is a second elastic device with elastic force, which keeps the connecting block in place where the protruding tooth is embedded in the second tooth groove, and / or... The knob is movable on the support frame perpendicular to the nail dispensing direction, and the knob can abut against the nail dispensing part; the knob connects the support frame and the nail dispensing part by abutting against the nail dispensing part; or, The cam is rotatably mounted on the support frame, and during rotation, the cam can abut against the nail outlet and can release itself from abutting the nail outlet. The cam connects the support frame to the nail outlet by abutting against the nail outlet.

13. The nailing device according to claim 12, characterized in that, The first tooth groove, the second tooth groove, or the third tooth groove is disposed on the guide block.

14. The nailing device according to claim 12, characterized in that, The support frame is provided with a first shaft, and the knob can rotate around the first shaft; the support frame is also provided with an opening, the opening is connected to the receiving hole, part of the protruding part is inserted into the receiving hole, and one end of the knob can pass through the opening and be embedded in the first tooth groove.

15. The nailing device according to claim 12, characterized in that, The connecting block is provided with a pivot pin, which is movably mounted on the support frame; the second elastic device is a compression spring, which is fitted onto the pivot pin, with one end abutting against the support frame and the other end abutting against the connecting block; when the pivot pin moves, it drives the connecting block to move, and the compression spring can reset the pivot pin and the connecting block.

16. The nailing device according to claim 15, characterized in that, Along the moving direction of the protruding tooth, a groove is provided on one side of the second tooth groove, and the protruding tooth is opposite to the groove after it exits the second tooth groove.

17. The nailing device according to claim 12, characterized in that, The first elastic device is a torsion spring, and the second and third elastic devices are both cylindrical springs.

18. The nailing device according to claim 12, characterized in that, The knob is a threaded fastener, which is threadedly engaged with the support frame and passes through the support frame to abut against the protruding part.

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