Magazine quick-change nail gun

Abstract

The application discloses a magazine quick-changing nail gun, and belongs to a fastening tool. The existing multi-purpose nail gun has a complex magazine structure, is prone to malfunction and nail jam. The application is characterized in that at least two magazines containing different specifications of nails are arranged on a gun body, and a nail driving component is arranged on the gun body. The magazine is assembled on the gun body through a guide structure, and the magazine and the gun body are provided with a quick locking structure. When the magazine is assembled on the gun body, the magazine is locked by the quick locking structure. The magazine can be removed by means of the guide structure when the locking is released. Therefore, the magazine containing the nails of the appropriate specification can be quickly changed according to the use requirement, and the quick change of the magazine is realized by means of the guide structure and the quick locking structure. Since each magazine can only contain nails of one specification, the magazine structure is relatively simple, and the nail gun is not prone to malfunction and nail jam, and has good use reliability.

Description

TECHNICAL FIELD

[0001] The present application belongs to a fast-changing magazine nail gun, and particularly relates to a fast-changing magazine nail gun for quickly changing a magazine loaded with appropriate specification nails according to the use requirement. BACKGROUND

[0002] The fastening tool such as a nail gun is a hand-held nailing tool. The nail guns on the market can be classified into pneumatic nail guns, electric nail guns, manual nail guns, gas nail guns and the like according to different power sources. The structure of the nail guns is generally composed of a nail gun body for delivering power and a magazine for delivering nails. During operation, the nails are loaded in the magazine and the magazine is assembled on the nail gun body. The nails are shot out one by one by operating the nail gun body (such as pulling the trigger), and are fixed at the corresponding positions.

[0003] At present, many nail guns are provided with only one magazine, and can only shoot nails of one specification. Therefore, there are many nail guns of different specifications on the market. Although the nail gun bodies of the nail guns are generally universal, the magazines cannot be changed. When the user needs to shoot nails of different specifications, the user needs to purchase nail guns of different specifications, and the purchase cost is greatly increased.

[0004] The Chinese utility model patent with the authorized announcement number CN202200267U discloses a four-purpose nail gun. The magazine assembly and the cover assembly of the four-purpose nail gun can meet the requirements of sending four kinds of nails to the positions. The four-purpose nail gun can be used to shoot T2050 straight nails, F1550 straight nails, 425J code nails and 9040 code nails. The nail gun in which different specification nails can be loaded in one magazine has the defects of complex structure, easy failure and nail jamming. The defects are explained in the utility model patent specification with the authorized announcement number CN2544906Y, and a solution is proposed. However, the solution is to facilitate the removal of the failure, but not to fundamentally eliminate the failure. SUMMARY

[0005] The technical problem to be solved by the present application and the technical task proposed by the present application are to overcome the defects of the existing multi-purpose nail gun, such as the complex structure of the magazine, easy failure and nail jamming, and to provide a fast-changing magazine nail gun for quickly changing a magazine loaded with appropriate specification nails according to the use requirement.

[0006] To achieve the above object, the magazine quick-change nail gun of the present application comprises a gun body, at least two magazines containing nails of different specifications, and a nailing component. The gun body has a power component reciprocating in a driving stroke defined by a first end and a second end. The magazine has a nail containing part defined between a third end and a fourth end, a nail feeding component feeding nails to the third end along the nail containing part, and a nail shooting channel at the third end. The magazine is assembled on the gun body through a guide structure and the third end is adjacent to the second end. The nailing component is driven by the power component to shoot the nails fed to the third end through the nail shooting channel as the power component reciprocates. The fourth end of the magazine is provided with a quick locking structure on the gun body. The magazine is locked by the quick locking structure when it is assembled on the gun body. The magazine can be removed by the guide structure when the locking is released.

[0007] As a preferred technical means, the guide structure is a dovetail and a dovetail groove separately provided on the gun body and the magazine, and the dovetail is slidingly assembled in the dovetail groove. Alternatively, the guide structure is a tenon and a mortise separately provided on the gun body and the magazine, and the tenon is slidingly assembled in the mortise.

[0008] As a preferred technical means, one of the quick locking structures is a locking hook and a locking pin separately provided on the gun body and the fourth end. The locking hook is provided with an operating part. The locking hook hooks the locking pin by elastic force to achieve the locking. The operating part is operated from the locked state to make the locking hook swing away from the locking pin to release the locking. Further, the operating part is a handle. The handle is pulled from the locked state to make the locking hook swing away from the locking pin to release the locking. In particular, the locking hook and the handle are coaxially assembled. An eccentric part on the locking hook extends to rely on the handle by the elastic force. The handle is pulled from the locked state to make the eccentric part with the locking hook swing away from the locking pin to release the locking.

[0009] As a preferred technical means, another quick locking structure is a locking column and a rotatable locking ring separately provided on the gun body and the fourth end. The locking ring is provided with a gap for the locking column to pass through. When the locking column is located inside the locking ring through the gap, the gap deviates from the locking column to achieve the locking. The locking ring is rotated from the locked state to make the gap face the locking column to release the locking.

[0010] As a preferred technical means: the third fast locking structure is a blocking part and a rotatable blocking pin separately arranged on the gun body and the fourth end, the blocking pin has an avoiding part, and the blocking pin is provided with an operating part, the blocking pin is abutted against the blocking part by elastic force to realize the locking, and the operating part is operated from the locked state to rotate the blocking pin, and the avoiding part corresponds to the blocking part to release the locking. Further, the operating part is a knob arranged on the blocking pin, the knob is rotated from the locked state to rotate the blocking pin, and the avoiding part corresponds to the blocking part to release the locking.

[0011] As a preferred technical means: the fourth fast locking structure is a latch pin and a pin slot separately arranged on the gun body and the fourth end, the latch hook is provided with an operating part, the latch pin is inserted into the pin slot to realize the locking, and the operating part is operated from the locked state to axially move the latch pin to release the locking by being pulled out of the pin slot. Further, the operating part is a pair of opposite buttons, the buttons and the latch pin are matched through a slope, and the buttons are pressed from the locked state to axially move the latch pin to release the locking by being pulled out of the pin slot through the slope.

[0012] As a preferred technical means: the nailing member is assembled in the nailing channel, has a connecting end and a nailing end, and the connecting end and the power member are butted together through an butt joint structure when the magazine is assembled on the gun body through the guide structure. Specifically, the butt joint structure includes a clamping groove and a protrusion corresponding to the clamping groove separately arranged on the connecting end and the power member, and the protrusion is clamped into the clamping groove when the magazine is assembled on the gun body through the guide structure. Alternatively, the butt joint structure includes a insertion hole and an insertion column corresponding to the insertion hole separately arranged on the connecting end and the power member, and the insertion column is inserted into the insertion hole when the magazine is assembled on the gun body through the guide structure. Further, a magnet steel is arranged on the connecting end or the power member, and the magnet steel adsorbs the connecting end and the power member together when the magazine is assembled on the gun body through the guide structure.

[0013] As a preferred technical means: the nailing member is assembled on the power member.

[0014] The magazine is provided with at least two magazines containing different specifications of nails, and the nailing member is provided for the gun body, the magazine is assembled on the gun body through the guide structure, the magazine and the gun body are provided with a fast locking structure, the magazine is locked by the fast locking structure when the magazine is assembled on the gun body, and the magazine is removed through the guide structure when the locking is released. Therefore, the magazine containing the appropriate specification of nails can be quickly replaced according to the use requirement, and the magazine is quickly replaced through the guide structure and the fast locking structure.

[0015] The magazine structure is simple, and it is not easy to cause malfunction and jam of the nails, and has good reliability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0017] Figure 2 Axial view of a nail gun with three magazines according to an embodiment of the present application; Figure 1 Cross-sectional view of a nail gun with three magazines according to an embodiment of the present application;

[0018] Figure 3 Axial view of a nail gun with three magazines according to an embodiment of the present application; Figure 2 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0019] Figure 4 Axial view of a nail gun with three magazines according to an embodiment of the present application; Figure 2 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0020] Figure 5 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0021] Figure 6 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0022] Figure 7 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0023] Figure 8 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0024] Figure 9 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0025] Figure 10 Axial view of a nail gun with three magazines according to an embodiment of the present application; Figure 2 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0026] Figure 11 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0027] Figure 12 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0028] Figure 13 Axial view of a nail gun with three magazines according to an embodiment of the present application; Figure 12 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0029] Figure 14 Axial view of a nail gun with three magazines according to an embodiment of the present application; Figure 12 Axial view of a nail gun with three magazines according to an embodiment of the present application;

[0030] Figure 15 Axial view of a nail gun with three magazines according to an embodiment of the present application; Figure 14A cross-sectional structure schematic diagram of the structure shown;

[0031] Figure 16 A schematic diagram of the fourth fast locking structure used in the nail gun of the present application;

[0032] Figure 17 A Figure 16 A partial cross-sectional schematic diagram of the fourth fast locking structure in the structure shown;

[0033] Figure 18 A Figure 17 A K-K cross-sectional schematic diagram;

[0034] Figure 19 A schematic diagram of the fast locking structure used in the nail gun of the present application Figures 12-15

[0035] Figure 20 A schematic diagram of a manual nail gun of the present application;

[0036] Figure 21 A Figure 20 A front projection partial cross-sectional schematic diagram of the structure shown;

[0037] Figure 22 A schematic diagram of the present application for installing the magazine to the gun body in a rotating manner, installing the cylinder to the round notch;

[0038] Figure 23 A schematic diagram of the magazine shown in Figure 22 by rotating to assemble the fourth end to the wall body;

[0039] Figure 24 A schematic diagram of the present application for installing the magazine to the gun body along the moving direction of the driving component;

[0040] Figure 25 A Figure 24 A schematic diagram of the magazine shown in by installing it to the position through lateral sliding;

[0041] Explanation of the reference numerals in the drawing:

[0042] 100a gun body, 100b gun body, 100c gun body, 100d gun body;

[0043] 101 first end, 102 second end, 103 power component, 104 dovetail groove, 105 square mortise, 106 round mortise, 107 locking hook, 108 torsion spring, 109 handle, 110 eccentric part, 111 locking ring, 112 notch, 113 blocking pin, 114 avoiding part, 115 eccentric knob, 116 plug pin, 117 button, 118 inclined surface, 119 magnetic steel, 120 protrusion, 121 insertion column, 122 spring, 123 air pipe, 124 trigger, 125 nailing handle, 126 round notch; ​

[0044] 200a magazine, 200b magazine, 200c magazine;

[0045] 201 third end, 202 fourth end, 203 nail feeding member, 204 nail shooting channel, 205 drawer, 206 head, 207 pin, 208 guide frame, 209 helical tension spring, 210 hook, 211 button, 212 guide roller, 213 dovetail, 214 square tenon, 215 round tenon, 216 locking pin, 217 locking post, 218 circular arc groove, 219 pin slot, 220 cylinder;

[0046] 300a nailing member, 300b nailing member;

[0047] 301a connecting end, 301b connecting end, 302a nailing end, 302b nailing end, 303 clamping slot, 304 insertion hole. DETAILED DESCRIPTION

[0048] The present application is further described in conjunction with the accompanying drawings.

[0049] Figures 1-4 The shown nail gun is an embodiment, which includes a gun body 100a, three magazines 200a, 200b and 200c for accommodating nails of different specifications, and a nailing member. The specifications of the nails that can be loaded into the magazines are indicated on the magazines.

[0050] The shown gun body 100a is a pneumatic gun body, which works by means of compressed air. The gun body has a power member 103 reciprocating in a driving stroke defined by a first end 101 and a second end 102. The power member, like a piston, moves up and down, and, when working, delivers compressed air to an air pipe 123. When holding the gun body, pulling and releasing the trigger 124, the power member is pushed by the compressed air to reciprocate in the direction of the arrow. Figures 2-3

[0051] The shown magazine 200a has a nail accommodating portion defined between a third end 201 and a fourth end 202, a nail feeding member 203 feeding nails along the nail accommodating portion to the third end, and a nail shooting channel at the third end. The magazine is assembled on the gun body by means of a guide structure, and the third end 201 abuts against the second end 102. The nailing member 300a is driven by the power member 103 to shoot the nails fed to the third end through the nail shooting channel as the power member reciprocates. The fourth end of the magazine is provided with a quick locking structure on the gun body. When the magazine is assembled on the gun body, the quick locking structure locks the magazine. The magazine can be removed by means of the guide structure when the locking is released.

[0052] In order to facilitate loading of nails, the magazine includes a magazine shell and an inner frame, which can be loaded into and drawn out of the magazine shell like a drawer. For example, Figure 4 ​As shown, the case consists of a drawer 205 and a head 206 connected to one end of the drawer. The head has a nail channel and a passageway, and the passageway connects the nail channel and the nail receiving part. A pin 207 is fixed on the drawer 205. The inner frame includes a guide frame 208, a nail feeding component 203, a helical tension spring 209, a hook 210, a button 211, and a guide roller 212. The guide roller 212 is mounted on the guide frame 208, and the nail feeding component 203 straddles the guide frame 208. One end of the helical tension spring 209 is adjacent to the nail feeding component 203, and the other end passes around the guide roller 212 and connects to the guide frame 208. The gap between the guide frame 208 and the drawer 205 forms a nail receiving section. The nails, which are bonded together in rows, also straddle the guide frame 208 and are located to the left of the nail feeding component 203. Thus, when the inner frame with the nails is inserted into the magazine, the nail feeding component 203 pushes the nails through the nail path towards the nail channel at the head with the help of the elastic force of the helical tension spring 209. In order to achieve the connection between the inner frame and the magazine, after the inner frame is inserted into the magazine, the hook 210 uses an elastic hook to lock the inner frame onto the pin 207. Pressing button 211 forces hook 210 to swing and disengage from pin 207, thus unlocking the inner frame and allowing it to be pulled out.

[0053] The illustrated magazine has a nail receiver for storing door-shaped nails; in practice, it can also be designed to hold single-pronged nails. Depending on the shape of the nail, the nail channel, passageway, nail receiver, and nail feeding mechanism can be appropriately modified to suit the shape of the nail.

[0054] In this embodiment, the guide structure is as follows: Figure 7 The image shows a dovetail groove 104 on the gun body and a dovetail 213 on the magazine. When installing the magazine, Figure 4 The right end of the dovetail on the magazine shown faces... Figure 3 The left end of the dovetail groove shown slides in to the right, allowing the magazine to be installed in place. As an alternative structure, the guide structure can also be as follows: Figure 8 The shown structure consists of a square tenon 105 on the gun body and a square tenon 214 on the magazine. When installing the magazine, refer to... Figure 4 As shown, slide the right end of the tenon 214 above the magazine into place with the left end of the mortise 105 above the gun body, positioning it to the right. Alternatively, the guide structure can also be as follows: Figure 9 The shown structure consists of a round mortise 106 on the gun body and a round tenon 215 on the magazine. When installing the magazine, refer to... Figure 4 As shown, slide the right end of the round tenon on the magazine into place by aligning it with the left end of the round mortise on the gun body. In practice, the dovetail and dovetail groove can be interchanged, the square mortise and square tenon can be interchanged, and the round mortise and round tenon can be interchanged. Furthermore, when installing the magazine onto the gun body, it can also be done as follows... Figure 19The magazine is installed into the gun body by sliding it from right to left with the aid of the guide structure, or installed vertically to the paper surface with the aid of the guide structure, or installed into the gun body in a rotating manner (as shown in Figures 22-23 A cylindrical part 220 is provided on the magazine, and a circular notch 126 is provided on the gun body. The cylindrical part 220 is first installed into the circular notch 126 (as shown in Figure 22 ), and then the magazine is rotated around the cylindrical part 220 (as shown in Figure 23 ), and the fourth end of the magazine is installed into the gun body through the quick structure (as shown in Figure 11 ), or the magazine is installed into the gun body along the moving direction of the driving part (as shown in Figures 24-25 A cylindrical part 220 is provided on the magazine, and a circular notch 126 is provided on the gun body. The magazine is first installed upwardly into the gun body (as shown in Figure 24 ), and then the magazine is rotated and slid to the right (as shown in Figure 25 ), the cylindrical part 220 is installed into the circular notch 126, and the fourth end of the magazine is installed into the gun body through the quick structure (as shown in Figure 11 ).

[0055] In this embodiment, the quick locking structure is composed of a locking hook 107 provided on the gun body and a locking pin 216 provided on the fourth end of the magazine (as shown in Figure 10 ). A torsion spring 108 is arranged on the locking hook, and the locking hook hooks the locking pin to achieve locking by the elastic force of the torsion spring. Moreover, an operating part is arranged for the locking hook, and the locking hook is disengaged from the locking pin by operating the operating part from the locked state to release the locking. Specifically, the operating part is a handle 109, and the handle is pulled from the locked state to make the locking hook swing and disengage from the locking pin to release the locking by overcoming the elastic force of the torsion spring. In order to simplify the structure, the locking hook 107 and the handle 109 are coaxially arranged and can rotate relative to the shaft, and an eccentric part 110 is extended from the locking hook 107 and leans on the handle by the elastic force, so that the eccentric part can make the locking hook swing and disengage from the locking pin to release the locking by pulling the handle from the locked state. As an alternative, the handle and the locking hook are integrated and can rotate around the shaft, and the handle can make the locking hook swing and disengage from the locking pin to release the locking by pulling the handle. In the specific implementation, the locking hook and the locking pin can be interchanged.

[0056] Figure 11 An alternative of the quick locking structure is shown. Figure 11The quick locking structure shown is composed of a locking ring 111 provided on the gun body and a locking post 217 provided on the fourth end of the magazine. The locking ring is rotatably assembled on the gun body by means of a shaft structure, and the locking ring is provided with a notch 112 for the locking post to pass through. When the locking post is located inside the locking ring through the notch, the notch is offset from the locking post, and the locking post is limited by the locking ring and cannot be withdrawn to achieve locking. When the locking ring is rotated from the locked state to make the notch directly face the locking post, the locking post can be withdrawn through the notch to release the locking. In order to facilitate operation and maintain the locked state, a spring can be arranged on the locking ring to offset the position of the notch from the corresponding locking post, so as to maintain the locked state by means of the elastic force of the spring. When unlocking is needed, the notch is turned to the position corresponding to the locking post by rotating the locking ring. Alternatively, the locking ring is positioned by a positioning structure, and the locking ring is positioned at the position where the notch directly faces the locking post or the position where the notch is offset from the locking post. The position of the notch is changed by rotating the locking ring. In specific implementation, the locking ring and the locking post can be interchanged. Figures 22-25 The same structure is shown in

[0057] Figures 12-15 、 Figure 19 Another alternative of the quick locking structure is shown. Figures 12-15 、 Figure 19 The quick locking structure shown is composed of a rotatable blocking pin 113 provided on the gun body and a blocking part provided on the fourth end of the magazine. The blocking pin 113 is in the shape of a circular shaft, and the blocking pin is provided with a notch-shaped avoiding part 114. An operating part is arranged on the blocking pin, which is an eccentric knob 115 arranged on one end of the blocking pin. A spring is arranged on the blocking pin to generate elastic force on the blocking pin for maintaining the blocking pin in the locked state. A circular arc groove 218 is arranged on the fourth end of the magazine as the blocking part. The blocking pin is located in the circular arc groove and abuts against the wall of the circular arc groove by the elastic force of the spring to achieve locking. When the knob is pulled from the locked state, the blocking pin is rotated, and the avoiding part corresponds to the blocking part to release the locking. In specific implementation, the blocking pin and the blocking part can be interchanged.

[0058] Figures 16-18 、 Figure 21 A third alternative of the quick locking structure is shown. Figures 12-18 The quick locking structure shown is composed of a plug pin 116 provided on the gun body and a pin groove 219 provided on the fourth end of the magazine. A pair of facing buttons 117 are arranged on the plug pin as operating parts. A spring 122 is arranged on the plug pin, and the buttons and the plug pin are matched by means of a slope 118. The plug pin is inserted into the pin groove by the elastic force of the spring to achieve locking. When the buttons are pressed from the locked state, the plug pin is axially moved and withdrawn from the pin groove by means of the slope to release the locking.

[0059] In this embodiment, the nailing member 300a is like Figure 4The assembly is shown in the nail shooting channel 204, which has a connecting end 301a and a nail shooting end 302a. When the magazine is assembled on the gun body by means of the guide structure, the connecting end is connected with the power member through the butt joint structure. Moreover, the power member is provided with a magnetic steel 119, which will attract the connecting end and the power member together when the magazine is assembled on the gun body by means of the guide structure, so as to facilitate the connection of the butt joint structure. In the implementation, the magnetic steel can be fixed on the connecting end of the nail shooting member.

[0060] Figure 5 A butt joint structure is shown, which includes a clamping groove 303 provided on the edge of the connecting end 301a of the nail shooting member 300a and a protrusion 120 provided on the corresponding clamping groove of the driving member 103. When the magazine is assembled on the gun body by means of the guide structure, the protrusion is clamped into the clamping groove to realize the connection of the nail shooting member and the driving member. Figure 6 Another butt joint structure is shown, which includes a socket provided on the connecting end 301b of the nail shooting member 300b and a plug provided on the corresponding socket of the power member. When the magazine is assembled on the gun body by means of the guide structure, the plug is inserted into the socket to realize the connection of the nail shooting member and the driving member. In the implementation, Figure 5 The clamping groove and the protrusion in the above can be transposed, Figure 6 The socket and the plug in the above can be transposed.

[0061] The nail shooting member is used to be driven by the power member to shoot the nails conveyed to the third end through the nail shooting channel along with the reciprocating movement of the power member. Therefore, the nail shooting member can be used as a component of the magazine, that is, each magazine includes a nail shooting member assembled in the nail shooting channel as shown in the above, or a separate nail shooting member is configured for each magazine, or the nail shooting member is directly assembled on the power member. Figure 4 The nail shooting member is used to be driven by the power member to shoot the nails conveyed to the third end through the nail shooting channel along with the reciprocating movement of the power member. Therefore, the nail shooting member can be used as a component of the magazine, that is, each magazine includes a nail shooting member assembled in the nail shooting channel as shown in the above, or a separate nail shooting member is configured for each magazine, or the nail shooting member is directly assembled on the power member.

[0062] The power member is used to shoot the nails conveyed to the third end through the nail shooting channel along with the reciprocating movement of the nail shooting member. In addition to the above-mentioned compressed air for driving the power member, the movement of the power member can also be realized by means of electric power, manual power, gas power and the like. Among them Figures 16-18 An electric nail gun is shown, which relies on electric power to realize the work of the nail shooting member and relies on the elastic force of the reset element (such as spring) to reset. Figures 20-21 A manual nail gun is shown, which realizes the work of the nail shooting member by pressing the nail shooting handle 125 downward and resets by means of the elastic force of the reset element (such as spring).

Claims

1. A fast changing magazine nailer, comprising a body having a power member reciprocating in a driving stroke defined between a first end and a second end, at least two magazines containing nails of different gauges, a driving member, said magazine having a nail containing portion defined between a third end and a fourth end, a nail feeding member feeding nails along said nail containing portion toward said third end, said third end having a firing channel, the magazine comprising a magazine housing having a drawer and a head connected to one end of the drawer, the head having a passageway communicating the firing channel and the nail containing portion, said magazine being mounted on said body via a guide structure and said third end abutting said second end, said driving member being driven by said power member to fire nails fed to said third end through said firing channel as said power member reciprocates, characterized in that: Each magazine can only be loaded with one type of nail, the fourth end of the magazine is provided with a quick locking structure on the gun body, the magazine is locked by the quick locking structure when it is assembled on the gun body, and the magazine can be removed by the guide structure when the lock is released. The nail shooting channel, nail containing part, passageway and nail feeding member are adapted to the shape of the nail.

2. The magazine change rammer gun according to claim 1, characterized in that: The guide structure is a dovetail and dovetail groove separately provided on the gun body and the magazine, and the dovetail is slidingly assembled in the dovetail groove.

3. The magazine change rammer gun of claim 1, wherein: The guide structure is a tenon and mortise separately provided on the gun body and the magazine, and the tenon is slidingly assembled in the mortise.

4. The magazine change rammer gun of claim 1, wherein: The quick locking structure is a lock hook and lock pin separately provided on the gun body and the fourth end, and the lock hook is provided with an operating part, the lock hook hooks the lock pin by the elastic force to realize the locking, and the operating part is operated from the locked state to make the lock hook disengage the lock pin to release the locking.

5. The magazine change rammer gun of claim 4, wherein: The operating part is a handle, and the handle is pulled from the locked state to make the lock hook swing and disengage the lock pin to release the locking.

6. The magazine change rammer gun of claim 5, wherein: The lock hook and the handle are coaxially assembled, and the lock hook extends an eccentric part on it which leans on the handle by the elastic force, and the handle is pulled from the locked state to make the eccentric part swing with the lock hook and disengage the lock pin to release the locking.

7. The magazine change rammer gun of claim 1, wherein: The quick locking structure is a lock column and a rotatable lock ring separately provided on the gun body and the fourth end, the lock ring is provided with a notch for the lock column to pass through, and the lock column is located inside the lock ring through the notch to make the notch deviate from the lock column to realize the locking, and the lock ring is rotated from the locked state to make the notch face the lock column to release the locking.

8. The magazine change rammer gun of claim 1, wherein: The quick locking structure is a blocking part and a rotatable blocking pin separately provided on the gun body and the fourth end, the blocking pin has an avoiding part, and the blocking pin is provided with an operating part, the blocking pin abuts against the blocking part by the elastic force to realize the locking, and the operating part is operated from the locked state to make the blocking pin rotate and the avoiding part correspond to the blocking part to release the locking.

9. The magazine change rammer gun of claim 8, wherein: The operating part is a knob provided on the blocking pin, and the knob is rotated from the locked state to make the blocking pin rotate and the avoiding part correspond to the blocking part to release the locking.

10. The magazine change rammer gun of claim 1, wherein: The quick locking structure is a latch and a latch slot separately provided on the gun body and the fourth end, and the latch is provided with an operating part, the latch is inserted into the latch slot to realize the locking, and the operating part is operated from the locked state to make the latch axially move and disengage the latch slot to release the locking.

11. The magazine change rammer gun of claim 10, wherein: The operating part is a pair of buttons facing each other, and the buttons and the latch are matched by a slope, and the buttons are pressed from the locked state to make the latch axially move and disengage the latch slot by the slope to release the locking.

12. The magazine change rammer gun of claim 1, wherein: The nail shooting member is assembled in the nail shooting channel, and has a connecting end and a nailing end, and the connecting end and the power member are butted together by a butt joint structure when the magazine is assembled on the gun body by the guide structure.

13. The clip-fed nailer of claim 12, wherein: The docking structure comprises a clamping slot arranged on the connecting end and a protrusion corresponding to the clamping slot, and the protrusion is clamped into the clamping slot when the magazine is assembled on the gun body by the guiding structure.

14. The magazine change rammer gun of claim 12, wherein: The docking structure comprises a socket arranged on the connecting end and a plug corresponding to the socket, and the plug is inserted into the socket when the magazine is assembled on the gun body by the guiding structure.

15. The clip-fed nailer of claim 12, wherein: A magnetic steel is arranged on the connecting end or the power member, and the magnetic steel absorbs the connecting end and the power member together when the magazine is assembled on the gun body by the guiding structure.

16. The clip-fed nailer of claim 1, wherein: The driving member is assembled on the power member.

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