Suspended ceiling nail striking device

Abstract

The utility model relates to a ceiling nail striking device which comprises a main cylinder, a guide pipe fitting, a movable sleeve, a launching pipe, a firing pin assembly, a driving assembly, a first elastic piece, a second elastic piece and a third elastic piece. The main cylinder comprises a pipe body and a convex wall part, and the convex wall part divides the inner part of the pipe body into a first cavity and a second cavity which are communicated with each other; the guide pipe fitting penetrates through the convex wall part and is positioned on the pipe body; the movable sleeve is movably inserted into the first cavity and sleeves the guide pipe fitting; the launching tube is arranged on the movable sleeve, and a gunpowder nail is accommodated in the launching tube; the firing pin assembly movably penetrates through the guide pipe fitting and is used for extending into the launching tube to strike the gunpowder nail; the driving assembly is movably inserted into the second cavity and is connected with the firing pin assembly to form a synchronous movement relationship; the first elastic piece is accommodated in the first cavity; the second elastic piece is accommodated in the second cavity; and the third elastic piece is accommodated in the guide pipe fitting.

Description

Technical Field

[0001] This utility model relates to a gunpowder nail-driving device, and in particular to a ceiling nail-driving device. Background Technology

[0002] Ceiling nail guns, also known as bamboo guns or ceiling nail guns, are mainly used to position fasteners (such as ceiling brackets) on ceilings, light steel frames, and other targets that are high off the ground. Ceiling nail guns use gunpowder as a power source, and the high-pressure gas generated by the explosion of gunpowder pushes the nail body, thereby shooting the nail body out and driving it into the target object. The ceiling nail gun disclosed in patent M405344 belongs to this category.

[0003] However, the firing structure of the ceiling nailer disclosed in the above patent is too complex. The numerous components not only cause assembly difficulties, but also different components have different processing methods, which can easily lead to increased production costs. Therefore, it is necessary to provide a novel and progressive ceiling nailer to solve the above problems. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a ceiling nail hammer, which uses a main cylinder with two chambers to position the guide tube that has been inserted through it. The drive component and the movable sleeve are slidably connected to the guide tube in different chambers, and the connection point can be reliably protected by the main cylinder. Furthermore, the drive component is directly connected to the firing pin component, which can greatly simplify the structure and save manufacturing costs. It can also effectively improve the mobility of movement and the transmission of impact force, so as to easily and quickly complete the firing of the gunpowder nail.

[0005] To solve the above-mentioned technical problems, this utility model provides a ceiling nail hammer;

[0006] It includes a main tube, comprising a tube body and a protruding portion, the protruding portion protruding radially from the inner wall of the tube body, the protruding portion dividing the interior of the tube body into a first chamber and a second chamber that are connected to each other;

[0007] A guide tube is inserted through the protruding part and positioned on the tube body;

[0008] A movable sleeve is movably inserted into the first chamber and sleeves the guide tube;

[0009] A launching tube is located at the end of the movable sleeve away from the main tube, and a gunpowder nail is contained inside the launching tube;

[0010] A firing pin assembly is movably inserted through the guide tube to extend into the firing tube to strike the powder nail;

[0011] A drive assembly is movably inserted into the second chamber and connected to the firing pin assembly to achieve a synchronous relationship;

[0012] A first elastic member is housed in the first chamber and springs against the movable sleeve and the protrusion, so that the movable sleeve tends to move away from the protrusion.

[0013] A second elastic member is housed in the second chamber and springs against the drive assembly and the protrusion to give the drive assembly a tendency to move away from the protrusion.

[0014] A third elastic element is accommodated in the guide tube and springs against the inner wall of the guide tube and the firing pin assembly.

[0015] Preferably, the elastic force of the first elastic element is greater than the elastic force of the second elastic element.

[0016] Preferably, the elastic force of the second elastic element is greater than that of the third elastic element.

[0017] Preferably, the guide tube is provided with a groove, the drive assembly includes a connecting sleeve, a drive rod and a pin, one end of the connecting sleeve is screwed to the drive rod, the other end of the connecting sleeve is sleeved on the guide tube, the pin passes through the groove and connects the firing pin assembly and the other end of the connecting sleeve, and the pin slides along the groove.

[0018] Preferably, the first elastic member and the second elastic member pass through the two sides of the guide tube respectively, and the third elastic member is located inside the first chamber portion of the guide tube, thereby the third elastic member and the first elastic member are coaxially arranged.

[0019] Preferably, it further includes a silencing sleeve, which is disposed on the movable sleeve and fits over the transmitting tube.

[0020] Preferably, the guide tube further includes a first tube section and a second tube section connected together. The diameter of the first tube section is larger than the diameter of the second tube section. The first tube section is accommodatingly located in the tube body. One end of the second tube section extends into the first chamber and is connected to the first tube section. The other end of the second tube section extends into the firing tube to abut against the gunpowder nail.

[0021] Preferably, in the radial direction of the tube body, the end face of the protrusion abuts against the outer wall of the guide tube.

[0022] Preferably, the main tube further includes at least one positioning element, and the main tube further includes at least one positioning hole, the at least one positioning hole penetrating the tube body and the protrusion, the at least one positioning element passing through the at least one positioning hole to abut and position the guide tube.

[0023] Preferably, the elastic force of the first elastic element is greater than that of the second elastic element; the elastic force of the second elastic element is greater than that of the third elastic element; the guide tube is provided with a groove; the drive assembly includes a connecting sleeve, a drive rod, and a pin; one end of the connecting sleeve is screwed to the drive rod, and the other end of the connecting sleeve is sleeved on the guide tube; the pin passes through the groove to connect the firing pin assembly and the other end of the connecting sleeve, and the pin slides along the groove; the first elastic element and the second elastic element pass through the two sides of the guide tube respectively; the third elastic element is located inside the first chamber portion of the guide tube, and thus the third elastic element... The component is coaxially arranged with the first elastic component; the ceiling nailer further includes a silencing sleeve and at least one positioning component. The silencing sleeve is disposed on the movable sleeve and sleeves the launching tube. The main tube further includes at least one positioning hole, which penetrates the tube body and the protrusion. The at least one positioning component is inserted into the at least one positioning hole and abuts and positions the guide tube component. When the movable sleeve approaches the protrusion to its limit, the silencing sleeve and the tube body abut against each other and stop. The first tube does not protrude from the tube body. There are two positioning holes, which are arranged in a straight line. There are two positioning components, each of which is a set-off screw.

[0024] Advantages of this invention: The ceiling nailer of this invention uses a main cylinder with two chambers to position the guide tube that has been inserted. The drive assembly and the movable sleeve are slidably connected to the guide tube in different chambers, and the connection point can be reliably protected by the main cylinder. Furthermore, the drive assembly is directly connected to the firing pin assembly, which can greatly simplify the structure and save manufacturing costs. It can also effectively improve the mobility of movement and the transmission of impact force, so as to easily and quickly complete the firing of the powder nail. Attached Figure Description

[0025] Figure 1 This is a perspective view of an embodiment of the present utility model.

[0026] Figure 2 for Figure 1 The exploded diagram.

[0027] Figure 3 for Figure 1 A sectional view.

[0028] Figure 4 This is a schematic diagram of the firing pin assembly striking the gunpowder nail according to an embodiment of the present invention.

[0029] Figure 5 This is a schematic diagram of shell removal according to an embodiment of the present utility model. Detailed Implementation

[0030] The following examples illustrate possible implementations of this utility model, but are not intended to limit the scope of protection of this utility model. The prefixes "a" or "at least one" before the terms mentioned herein are not intended to limit the quantity. Depending on the requirements, there may also be "multiple" items. This variation in quantity is also within the scope of protection, and is therefore stated in advance.

[0031] Please refer to Figures 1 to 5 The present invention shows an embodiment of the present invention. The ceiling nail hammer of the present invention includes: a main cylinder 1, a guide tube 2, a movable sleeve 3, a firing tube 4, a firing pin assembly 5, a driving assembly 6, a first elastic element 71, a second elastic element 72 and a third elastic element 73.

[0032] The main cylinder 1 includes a tube body 11 and a protruding portion 12. The protruding portion 12 protrudes radially from the inner wall of the tube body 11, thereby dividing the interior of the tube body 11 into a first chamber 13 and a second chamber 14 that are connected to each other. The main cylinder 1 can be integrally formed by a lathe, which has the advantages of rapid production and cost savings, thereby enhancing the product's sales competitiveness.

[0033] The guide tube 2 passes through the protrusion 12 and is positioned on the tube body 11 to form a coaxial inner and outer tube structure. More specifically, the ceiling nailer further includes at least one positioning element 16, and the main tube 1 further includes at least one positioning hole 15. The at least one positioning hole 15 penetrates the tube body 11 and the protrusion 12, and the at least one positioning element 16 is inserted into the at least one positioning hole 15 to abut and position the guide tube 2. In this embodiment, there are two positioning holes 15 arranged in a straight line, and there are two positioning elements 16 symmetrically clamping and abutting the guide tube 2; wherein each positioning element 16 is a set-off screw.

[0034] More specifically, the guide tube 2 further includes a first tube portion 22 and a second tube portion 23 connected together. The diameter of the first tube portion 22 is larger than the diameter of the second tube portion 23. The first tube portion 22 is accommodatingly located within the tube body 11. One end of the second tube portion 23 extends into the first chamber 13 and is connected to the first tube portion 22. The other end of the second tube portion 23 extends into the firing tube 4 to abut against a gunpowder nail 9. The first tube portion 22 does not protrude from the tube body 11, thus the tube body 11 can protect the first tube portion 22 from contact with foreign objects. In this embodiment, in the radial direction of the tube body 11, the end face of the protrusion 12 abuts against the outer wall of the guide tube 2. The protrusion 12 can effectively restrain the guide tube 2, ensuring its reliable axial extension without arbitrary tilting.

[0035] The movable sleeve 3 is movably inserted into the first chamber 13 and sleeves the guide tube 2. The joint between the movable sleeve 3 and the guide tube 2 is located in the first chamber 13 and is protected by the tube body 11, thus achieving better joint stability. The firing tube 4 is located at the end of the movable sleeve 3 away from the main tube 1. The firing tube 4 is used to accommodate the gunpowder nail 9. The firing pin assembly 5 is movably inserted through the guide tube 2 and is used to extend into the firing tube 4 to strike the gunpowder nail 9.

[0036] The drive assembly 6 is movably inserted into the second chamber 14 and connected to the firing pin assembly 5 to form a synchronous relationship. The above-mentioned connection method eliminates the complex firing transmission structure configuration between the drive assembly 6 and the firing pin assembly 5 in the traditional way, making the overall structure quite simple and easy to assemble. Moreover, when the user applies force to actuate the drive assembly 6, there is no resistance caused by the firing transmission structure itself, so firing can be performed with less effort and quickly. In this embodiment, the guide tube 2 is provided with a sliding groove 21. The drive assembly 6 includes a connecting sleeve 61, a drive rod 62 and a pin 63. One end of the connecting sleeve 61 is screwed to the drive rod 62, and the other end of the connecting sleeve 61 is sleeved on the guide tube 2. The pin 63 passes through the sliding groove 21 and connects the firing pin assembly 5 to the other end of the connecting sleeve 61. The pin 63 slides along the sliding groove 21 so that the drive assembly 6 and the firing pin assembly 5 can slide relative to the guide tube 2.

[0037] The first elastic member 71 is housed in the first chamber 13. The first elastic member 71 springs against the movable sleeve 3 and the protrusion 12, so that the movable sleeve 3 tends to move away from the protrusion 12. In actual use, when the user compresses the movable sleeve 3 and inserts it into the first chamber 13 to remove the shell, the first elastic member 71 can make the movable sleeve 3 return to its original position.

[0038] The second elastic member 72 is housed in the second chamber 14. The second elastic member 72 springs against the drive assembly 6 and the protrusion 12, so that the drive assembly 6 tends to move away from the protrusion 12. Similarly, in actual use, when the user pushes the drive assembly 6 into the second chamber 14 to trigger the actuation, the second elastic member 72 can reset the drive assembly 6.

[0039] The third elastic element 73 is housed in the guide tube 2. The third elastic element 73 springs against the inner wall of the guide tube 2 and the firing pin assembly 5. When the firing pin assembly 5 is driven by the driving component 6 to fire the gunpowder nail 9, the third elastic element 73 can assist the first elastic element 71 in resetting the driving component 6 and the firing pin assembly 5.

[0040] In this embodiment, the first elastic element 71 and the second elastic element 72 respectively pass through the two sides of the guide tube 2. The guide tube 2 can support the first elastic element 71 and the second elastic element 72 from the radial inside and can reliably guide them in the axial direction. The third elastic element 73 is located inside the portion of the guide tube 2 within the first chamber 13, and thus the third elastic element 73 and the first elastic element 71 are coaxially configured. Furthermore, the elastic force of the first elastic element 71 is greater than that of the second elastic element 72, so that during the firing process of the drive assembly 6 compressing the second elastic element 72, the movable sleeve 3 and the firing tube 4 can remain protruding from the main tube 1, effectively ensuring that no unintended ejection action occurs. In addition, the elastic force of the second elastic element 72 is greater than that of the third elastic element 73, so as to provide a certain support force to the drive assembly 6 to avoid easy accidental firing, thereby improving the safety of use.

[0041] It is worth mentioning that the actuation of the drive assembly 6 and the movable sleeve 3 are unrelated, and the two can operate independently to reduce the linkage components and resistance during their respective operations. For example, when the drive assembly 6 is actuated, it only compresses the second elastic element 72 and the third elastic element 73, resulting in less resistance encountered by the user during actuation compared to traditional structures. When the movable sleeve 3 is compressed by removing the shell, the resistance comes only from the first elastic element 71. In addition, the elastic forces provided by the first elastic element 71 and the second elastic element 72 to the drive assembly 6 and the movable sleeve 3 are opposite. Therefore, when the drive assembly 6 and the movable sleeve 3 are to be assembled with the guide tube 2, the guide tube 2 must first be not positioned on the main cylinder 1, and then one side of the guide tube 2 can be protruded from the main cylinder 1 by compressing one of the first elastic element 71 and the second elastic element 72 for assembly.

[0042] Preferably, the ceiling nail gun further includes a silencing sleeve 81, which is disposed on the movable sleeve 3 and sleeves the firing tube 4. The silencing sleeve 81 is made of metal and has better structural strength. The silencing sleeve 81 can effectively reduce the impact sound of the firing pin assembly 5 striking the gunpowder nail 9, as well as the sound of the gunpowder exploding. When the movable sleeve 3 approaches the protrusion 12 to its limit, the silencing sleeve 81 and the tube body 11 abut against each other to effectively limit the movement.

[0043] Alternatively, the device further includes a heat insulation sleeve 82, which covers the silencer sleeve 81 to isolate the overheated firing tube 4 from the outside world, thereby ensuring the user's personal safety.

Claims

1. A ceiling nail hammer, characterized in that: It includes a main tube, comprising a tube body and a protruding portion, the protruding portion protruding radially from the inner wall of the tube body, the protruding portion dividing the interior of the tube body into a first chamber and a second chamber that are connected to each other; A guide tube is inserted through the protruding part and positioned on the tube body; A movable sleeve is movably inserted into the first chamber and sleeves the guide tube; A launching tube is located at the end of the movable sleeve away from the main tube, and a gunpowder nail is contained inside the launching tube; A firing pin assembly is movably inserted through the guide tube to extend into the firing tube to strike the powder nail; A drive assembly is movably inserted into the second chamber and connected to the firing pin assembly to achieve a synchronous relationship; A first elastic member is housed in the first chamber and springs against the movable sleeve and the protrusion, so that the movable sleeve tends to move away from the protrusion. A second elastic member is housed in the second chamber and springs against the drive assembly and the protrusion to give the drive assembly a tendency to move away from the protrusion. A third elastic element is accommodated in the guide tube and springs against the inner wall of the guide tube and the firing pin assembly.

2. The ceiling nailer according to claim 1, characterized in that: The elastic force of the first elastic element is greater than that of the second elastic element.

3. The ceiling nailer according to claim 1, characterized in that: The elastic force of the second elastic element is greater than that of the third elastic element.

4. The ceiling nailer according to claim 1, characterized in that: The guide tube is provided with a groove, and the drive assembly includes a connecting sleeve, a drive rod and a pin. One end of the connecting sleeve is screwed to the drive rod, and the other end of the connecting sleeve is sleeved on the guide tube. The pin passes through the groove and connects the firing pin assembly to the other end of the connecting sleeve. The pin slides along the groove.

5. The ceiling nailer according to claim 1, characterized in that: The first elastic element and the second elastic element are respectively inserted through the two sides of the guide tube, and the third elastic element is located inside the first chamber portion of the guide tube, and thus the third elastic element and the first elastic element are coaxially arranged.

6. The ceiling nailer according to claim 1, characterized in that: It also includes a silencing sleeve, which is disposed on the movable sleeve and fits onto the transmitting tube.

7. The ceiling nailer according to claim 1, characterized in that: The guide tube further includes a first tube section and a second tube section connected together. The diameter of the first tube section is larger than the diameter of the second tube section. The first tube section is accommodatingly located in the tube body. One end of the second tube section extends into the first chamber and is connected to the first tube section. The other end of the second tube section extends into the firing tube to abut against the gunpowder nail.

8. The ceiling nailer according to claim 7, characterized in that: In the radial direction of the tube body, the end face of the protruding part abuts against the outer wall of the guide tube.

9. The ceiling nailer according to any one of claims 1 to 8, characterized in that: It also includes at least one positioning element, and the main tube further includes at least one positioning hole, the at least one positioning hole penetrating the tube body and the protrusion, the at least one positioning element penetrating the at least one positioning hole to abut and position the guide tube.

10. The ceiling nailer according to claim 8, characterized in that: The elastic force of the first elastic element is greater than that of the second elastic element; the elastic force of the second elastic element is greater than that of the third elastic element; the guide tube is provided with a sliding groove; the drive assembly includes a connecting sleeve, a drive rod, and a pin; one end of the connecting sleeve is screwed to the drive rod, and the other end of the connecting sleeve is sleeved on the guide tube; the pin passes through the sliding groove to connect the firing pin assembly and the other end of the connecting sleeve, and the pin slides along the sliding groove; the first elastic element and the second elastic element respectively pass through the two sides of the guide tube; the third elastic element is located inside the first chamber portion of the guide tube, and thus the third elastic element and the... The first elastic element is coaxially arranged; the ceiling nailer further includes a silencing sleeve and at least one positioning element. The silencing sleeve is located on the movable sleeve and sleeves the launching tube. The main tube further includes at least one positioning hole, which penetrates the tube body and the protrusion. The at least one positioning element is inserted into the at least one positioning hole and abuts and positions the guide tube. When the movable sleeve approaches the protrusion to its limit, the silencing sleeve and the tube body abut against each other and stop. The first tube does not protrude from the tube body. There are two positioning holes, which are arranged in a straight line. There are two positioning elements, each of which is a set-off screw.

Images