Attachment for holding fixing pin

Abstract

To provide an attachment which enables improvement of workability, achieves a high level of safety, and is attached to a hand-held automatic driver to hold a fixing pin.SOLUTION: An attachment of a hand-held automatic driver for holding a fixing pin at a position in front of an ejecting port of the hand-held automatic driver, includes: a pressing plate part 4 which supports a surface 3f at the side provided with a cylinder part 3a of a flange part 3b; a back plate part 5 supporting a rear surface of the flange part 3b; a spacer plate 6 located between the back plate part 5 and the pressing plate part 4, having substantially the same thickness as a thickness of the flange part 3b, and supporting a side surface of the flange part 3b; and a connection part 7 connecting the ejecting port with the back plate part 5. The pressing plate part 4 has: a gap 4a located at an upper part and having a width larger than an outer diameter of the cylinder part 3a; and an opening part 4b which is connected to the gap 4a and releases the loaded flange part 3b from a storage part 8. In the storage part formed by the pressing plate part 4, the back plate part 5, and the spacer plate 6, the flange part 3b is loaded to hold the fixing pin.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to an attachment that is attached to a handheld automatic driver when fixing an insulating material to a substrate material. [Background technology]

[0002] Traditionally, at building interior construction sites and the like, handheld screw drivers continuously driven by compressed air have been commonly used to screw insulation material to base materials made of wood, lightweight steel frames, etc. When fastening the insulation material to the base material, fixing pins that function as spacers and guides are used, and while holding the fixing pin in one hand, a handheld automatic screwdriver such as an impact driver or turbo driver is used to drive the screws into the base material to secure it.

[0003] However, when using an impact driver or turbo driver, work required both hands, as one hand held the fixing pin and the other held the impact driver, making installation difficult. In particular, when using an impact driver, work was difficult because each screw and fixing pin had to be fixed one by one to prevent the fixing pin from falling over, and then the insulation material had to be fixed to the base material. Also, when using a turbo driver, the fixing pin had to be held in the hand until just before driving the screw, which was dangerous as there was a risk of injuring the hand if the turbo driver fell over. Furthermore, when driving above head height, both drivers required both hands, making work extremely difficult and difficult to install.

[0004] Therefore, Patent Document 1 describes a nail guide member and an attachment for fixing heat insulating material to concrete, etc. The flange of the nail guide member is accommodated in a recess of the attachment at the tip of the nose of the nail gun, and the nail guide member is held by the nail gun with a magnet, and nailing is performed.

[0005] Patent Document 2 also describes a jig and fixing pin used in a nail gun for nailing insulation boards into a concrete structure. The fixing pin has a substantially circular flange plate with a through-hole in the center and a shaft member that passes through the through-hole in the plate, and the jig holds the nail with a guide pin that passes through the through-hole provided in the flange plate and an annular wall into which the flange plate is fitted. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Patent Publication No. 2004-257226 [Patent Document 2] Patent Publication No. 2005-059158 Summary of the Invention [Problem to be solved by the invention]

[0007] However, the attachments and jigs described in Patent Documents 1 and 2 load the fixing pins or nails into the tip of the nail gun from the direction of driving the nails, which poses a risk to the worker if the nail is fired incorrectly. Also, if a magnetic material is used for the fixing pins, the cost per fixing pin becomes high.

[0008] Therefore, the present invention has been made in consideration of the above circumstances, and aims to provide an attachment that can be attached to a handheld automatic driver for holding fixing pins, which improves workability and is highly safe when fixing insulation material to a base material using fixing pins. [Means for solving the problem]

[0009] In order to solve the above problem, the attachment for holding a fixing pin of the present invention is an attachment for holding a fixing pin of a handheld automatic driver for holding in front of the firing nozzle of the handheld automatic driver a fixing pin having a cylindrical portion having an insertion hole through which the barrel portion of a fixing member fired from the handheld automatic driver is inserted, and a flange portion provided at one end of the cylindrical portion and having a central hole connected to the insertion hole, and the attachment has a presser plate portion that supports the surface of the flange portion on which the cylindrical portion is provided, a back plate portion that supports the back surface of the flange portion, a spacer plate located between the back plate portion and the pressing plate portion and having approximately the same thickness as the flange portion and supporting the side of the flange portion, and a connecting portion that connects the firing nozzle and the back plate portion, the presser plate portion having a gap at the top that is wider than the outer diameter of the cylindrical portion, and an opening that is connected to the gap and releases the loaded flange portion from the storage portion, and the attachment is characterized in that the fixing pin is held by loading the flange portion into the storage portion formed by the presser plate portion, the back plate portion, and the spacer plate.

[0010] Furthermore, the flange portion is elastic, and the inner diameter of the central hole is formed smaller than the head of the fixing member, so that when the fixing member is fired, the head of the fixing member gets caught in the central hole of the flange portion loaded in the storage portion, and the flange portion is bent by the propulsion force of the fixing member, so that the flange portion passes through the opening and is released from the storage portion.

[0011] Furthermore, the presser plate has a spatula portion formed thereon that extends in the injection direction from the lower end of the presser plate.

[0012] Furthermore, the spatula has a recess recessed from the end edge of the extended spatula toward the presser plate.

[0013] Furthermore, the recess of the recess is characterized in that, in plan view, it is formed on the same line as the tip of the cylindrical part of the loaded fixing pin or beyond the tip of the loaded fixing pin. [Effects of the Invention]

[0014] According to the attachment for holding a fixed pin of the present invention, the flange portion is loaded into the storage section formed by the pressure plate portion, back plate portion, and spacer plate, thereby allowing the fixed pin to be held. The pressure plate portion has a gap at the top that is wider than the outer diameter of the cylindrical portion, so that the cylindrical portion can pass through this gap and the flange portion can be loaded from above, thereby preventing accidents and injuries due to accidental firing and increasing safety.

[0015] In addition, the flange portion is elastic, and the head of the fixing member is formed larger than the inner diameter of the center hole. Therefore, after the fixing member is fired, the head of the fixing member gets caught in the center hole, and the flange portion flexes, supporting the fixing pin to the extent that it can be released from the pressure plate portion of the storage section, so that when the fixing member is fired, it can be fired forward together with the fixing pin.

[0016] In addition, a thin spatula portion is formed from the lower end of the pressure plate portion and extends in the injection direction relative to the pressure plate portion, so that the spatula portion presses the insulation material against the base material, making it possible to stably hammer the fixing member into the base material even if the insulation material is resilient, and the fixing member can be hammered in without wobbling left and right.

[0017] In addition, the end edge of the extended spatula part has a recessed part on the pressing plate part side, so by pressing the spatula part so that the base material fits into the recessed part, the approximate location and width of the base material can be grasped even through the insulation material, and the fixing member can be driven in along the center line of the base material.

[0018] Furthermore, the depression of the recess is formed so that it is on the same line as the tip of the loaded fixing pin or exceeds the tip of the cylindrical part of the loaded fixing pin when viewed in a plane, so that even if the spatula part is pressed against the insulation material, the tip of the fixing pin will not inadvertently break through the moisture-proof sheet on the surface of the insulation material. [Brief explanation of the drawings]

[0019] [Figure 1]1A is a schematic perspective view of a fixing pin holding attachment according to the present invention, and FIG. 1B is a schematic perspective view of a fixing pin. [Figure 2] 1A is a schematic plan view of a fixing pin holding attachment according to the present invention, and FIG. 1B is a schematic side view of a fixing pin. [Figure 3] 1A is a schematic side view showing a state before the flange portion is loaded into the receiving portion, and FIG. 1B is a schematic side view showing a state after the flange portion is loaded into the receiving portion. [Figure 4] 3(b) shows the state in which the fixing pin is held by the fixing pin holding attachment, and FIG. 3(b) shows the state in which the fixing pin is supported by the spacer plate. [Figure 5] 1A is a schematic plan view showing the spatula pressing the heat insulating material against the base material, and FIG. 1B is a schematic plan view showing the fixing member being launched and the flange bending after the spatula pressing the heat insulating material against the base material. [Figure 6] 1A is a schematic plan view showing a state in which a fixing pin is ejected from a housing together with a fired fixing member and the tip of the fixing member is driven into a base material, and FIG. 1B is a view showing a state after the heat insulating material has been fixed to the base material by the fixing pin and fixing member. DETAILED DESCRIPTION OF THE INVENTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings. Note that each embodiment is merely one embodiment of the present invention, and the embodiment can be modified within the scope of the present invention.

[0021] The fixing pin holding attachment 100 of the present invention is an attachment for holding a fixing pin 3 in front of the firing nozzle 1a of a handheld automatic screwdriver when driving insulation material G into a base material S using a fixing pin 3 having a tubular portion 3a that passes through the body 2a of a fixing member 2 such as a screw or nail fired from a handheld automatic screwdriver such as an impact driver or turbo driver, and a flange portion 3b provided at one end of the tubular portion 3a.

[0022] (About insulation material G) The insulation material G is composed of a cotton-like material such as glass wool and a bag-shaped moisture-proof sheet to prevent internal condensation. When installing the insulation material G, multiple insulation materials G are fixed to the interior wall by filling in the gaps between the studs and partitions that make up the base material S.

[0023] (Regarding fixed pin 3) As shown in FIG. 1(b), the fixing pin has a cylindrical portion 3a and a flange portion 3b provided at one end of the cylindrical portion 3a. The cylindrical portion 3a functions as a spacer for driving the fixing member 2 into the base material S against the thick insulating material G, which has a resilient force. The cylindrical portion 3a has an insertion hole 3c inside it through which the body portion 2a of the fixing member 2 fired from the handheld automatic screwdriver is inserted. The flange portion 3b extends circularly in a direction perpendicular to the axial direction of the cylindrical portion 3a, and a center hole 3d is provided at the center of the flange portion 3b so as to connect to the insertion hole 3c of the cylindrical portion 3a. The center hole 3d is formed to be smaller than or approximately the same size as the head portion 2b of the fixing member 2 fired from the handheld automatic screwdriver. The cylindrical portion 3a is formed to be shorter than the body portion 2a of the fixing member 2, so that the tip of the fixing member 2 protruding from the cylindrical portion 3a of the fixing pin 3 is driven into the base material S.

[0024] The fixing pin 3 is made of a light material such as a resin material, and the flange portion 3b is formed thin and has elasticity in the direction of the cylindrical portion 3a. As long as the flange portion 3b has elasticity, the materials of the other members are not particularly limited.

[0025] As shown in Figure 6(b), the flange portion 3b of the fixing pin 3 functions as a washer for the insulating material G fixed to the base material S. In other words, if the fixing pin 3 is not used, the head 2b of the fixing member 2 may become buried inside the insulating material G, making it difficult to effectively fix the insulating material G to the base material S. However, by using the fixing pin 3, the flange portion 3b of the fixing pin 3 distributes the pressing force on the surface of the insulating material G and functions as a washer, so the insulating material G can be effectively pressed down onto the base material S.

[0026] [Embodiment] 1, the fixing pin holding attachment 100 according to the present invention mainly comprises a pressure plate 4, a back plate 5 that supports the back surface 3e of the flange portion 3b, a spacer plate 6 that is located between the back plate 5 and the pressing plate 4, has approximately the same thickness as the flange portion 3b, and supports the side surface 3g of the flange portion 3b, and a connecting portion 7 that connects the launch port 1a to the back plate 5. The pressure plate 4, back plate 5, and spacer plate 6 are stacked and fixed together using screws, bolts, etc., and the fixing pin 3 is held in the fixing pin holding attachment 100 by loading the flange portion 3b into a storage portion 8 formed by this fixation.

[0027] (Regarding the holding plate 4) The pressing plate portion 4 supports a surface 3f on which the cylindrical portion 3a of the flange portion 3b of the fixing pin 3 is provided. As shown in Figures 1(a) and 4(a), the pressing plate portion 4 has a roughly U-shaped configuration with a gap 4a at the top and an opening 4b in the center that is connected to the gap 4a, and supports the surface 3f of the flange portion 3b.

[0028] Here, the surface 3h of the surface 3f that is supported by the holding plate 4 is the portion of the surface 3f that comes into contact with the holding plate 4, as shown in FIG. 4(b), and is the surface portion where, when the fixing member 2 is fired, the head 2b of the fixing member 2 gets caught in the center hole 3d of the flange 3b, and the flange 3b is bent by the propulsive force of the fixing member 2, so that the flange 3b passes through the opening 4b, and the fixing pin 3 is released from the storage portion 8 and can be fired forward. If the portion of the surface 3f that comes into contact with the holding plate 4 is wide and the supported surface 3h is large, the reaction force in the rear direction (toward the handheld automatic screwdriver) received from the spacer plate 6 against the elastic force caused by the bending of the flange 3b becomes stronger than the propulsive force accompanying the firing of the fixing member 2, and the flange 3b will not be released from the storage portion 8. Therefore, the supported surface 3h is a surface portion that allows the fixing pin 3 to be held within the accommodating portion 8, and where the thrust force from the firing of the fixing member 2 is greater than the elastic force due to the bending of the flange portion 3b, and where the reaction force in the rear direction (towards the handheld automatic driver) received from the spacer plate 6 is greater than the elastic force due to the bending of the flange portion 3b, allowing the flange portion 3b to be released from the opening 4b.

[0029] A gap 4a is provided above the pressing plate 4. The gap 4a is formed to be larger than the outer diameter of the cylindrical portion 3a, allowing the cylindrical portion 3a to pass through the gap 4a, and the flange portion 3b can be loaded into the storage portion 8 from above, allowing the fixing pin 3 to be held in the fixing pin holding attachment 100. This eliminates the need for the user to support the fixing pin 3 with one hand, and also eliminates the need to hold the fixing pin 3 from the firing port 1a side of the handheld automatic screwdriver, preventing accidents due to accidental firing and improving safety.

[0030] (Regarding rear panel 5) The back plate 5 supports the back surface 3e of the flange 3b and is fixed to the pressure plate 4 via a spacer plate 6. The back plate 5 and the connecting portion 7 are formed from a single metal plate, and the metal plate is bent to form two connecting portions, one on the left and one on the right: the back plate 5 connected to the pressure plate 4 and the other on the right and left, which are fixed to the nose portion 1b. Furthermore, because the connecting portions 7 are bent perpendicular to the back plate 5, the distance between the left and right connecting portions 7 is determined according to the horizontal length of the back plate 5. The horizontal length of the back plate 5 is determined so that the distance between the left and right connecting portions 7 is slightly narrower than the horizontal width of the nose portion 1b of the handheld automatic screwdriver. This causes the two connecting portions 7 to apply a force that clamps the nose portion 1b from the left and right, enabling the fixing pin holding attachment 100 to be stably held.

[0031] (Spacer plate 6) The spacer plate 6 is located between the pressure plate 4 and the back plate 5, and as shown in FIG. 4(b), it supports approximately 1 / 3 to 1 / 2 of the lower side of the flange 3b. The spacer plate 6 is a thin plate formed into a semicircular recess that follows the outer shape of the flange 3b. The thickness of the spacer plate 6 is approximately the same as that of the flange 3b, and the flange 3b is supported by the front and rear pressure plate portions 4 and the back plate 5, allowing the fixing pin 3 to stand. The flange 3b is loaded into the receiving portion 8 formed by the pressure plate 4, back plate 5, and spacer plate 6, and the fixing pin 3 is held by the fixing pin holding attachment 100.

[0032] (About connection 7) As shown in Figures 1(a) and 2, the connecting portion 7 connects the back panel 5 and the launch port 1a of the handheld automatic screwdriver. The launch port 1a of the handheld automatic screwdriver has two protrusions 1c aligned vertically, and the connecting portion 7 has two connection holes 7a aligned vertically so that they can fit into the protrusions 1c. One end edge of the connecting portion 7 on the nose portion 1b side is bent so that a portion of the connecting portion 7 is curved upward. As described above, the nose portion 1b is inserted between the two left and right connecting portions 7, and is held in place by the elastic force of the connecting portion 7 on the left and right sides. However, the curved-up end edge of the connecting portion 7 that comes into contact with the nose portion 1b facilitates attachment and detachment of the fixing pin holding attachment 100 to the nose portion 1b. In this embodiment, connection is possible by fitting the connection hole 7a into the protrusion 1c provided near the launch port 1a, but if there is no protrusion 1c near the launch port 1a, connection may be made using soldering, welding, adhesives, etc., and the connection method is not limited.

[0033] (About the spatula part 9) As shown in Figures 1(a) and 2(a), the spatula portion 9 is a thin plate formed to extend from the lower end 4c of the pressure plate portion 4 in the injection direction relative to the pressure plate portion 4. By pressing the thick and resilient insulating material G against the base material S, the tip of the fixing member 2 can reach the base material S. The edge of the extending spatula portion 9 is provided with a recess 9a that is recessed toward the pressure plate portion 4. The width of the recess 9a is formed slightly wider than the width of the base material S. As shown in Figure 5(a), by pressing the base material S so that it fits into the recess 9a through the insulating material G, the user can roughly grasp the position of the base material S even through the insulating material G. Furthermore, as shown in Figure 2(a), the recess 9a is trapezoidal in plan view, making it easy to fit into the base material S.

[0034] 5(a), in a plan view, the depression of the recess 9a is formed so as to be on the same line as the tip of the tubular portion 3a of the loaded fixing pin 3. Therefore, even if the spatula portion 9 presses against the insulating material G, the tip of the tubular portion 3a will not break through the moisture-proof sheet of the insulating material G. Furthermore, even if the recess 9a is not on the same line as the tip of the loaded fixing pin 3, the depression of the recess 9a may be formed so as to extend beyond the tip of the tubular portion 3a of the loaded fixing pin 3.

[0035] Furthermore, by having the spatula part 9, the base material S can be pressed so as to fit over the insulating material G into the recess 9a that contacts the insulating material G, allowing the fixing member 2 to be driven in without any deviation from side to side. The tip of the spatula part 9 is chamfered so that the moisture-proof sheet on the surface of the insulating material G will not be torn even when the spatula part 9 is pressed against the insulating material G.

[0036] Furthermore, although not shown, a plate may be provided that hangs down vertically from the recess 9a. The hanging plate presses the heat insulating material G, preventing it from wobbling not only left and right but also up and down, and a fixing member can be fastened to the heat insulating material G in the vertical direction.

[0037] [Example] Next, an embodiment of the fixing pin holding attachment 100 will be described. First, the fixing pin holding attachment 100 is attached to the nose portion 1b of the handheld automatic screwdriver. When attaching, the two protrusions 1c provided at the tip of the nose portion 1b are fitted into the connection holes 7a of the connection portion 7, and the nose portion 1b is clamped between the connection portion 7. Because the tip of the connection portion 7 is curved outward, the fixing pin holding attachment 100 can be easily attached.

[0038] 3(a) and 3(b), the flange portion 3b of the fixing pin 3 is loaded into the storage portion 8 of the fixing pin holding attachment 100. Since the fixing pin 3 is held from the top of the fixing pin holding attachment 100, rather than being attached from the side near the firing port 1a, accidents caused by erroneous firing of the handheld automatic screwdriver can be prevented, thereby improving safety.

[0039] When the fixing pin 3 is held by the fixing pin holding attachment 100, the center of the insertion hole 3c of the fixing pin 3 is positioned at the center of the opening 44b, as shown in Figure 4(b).The pressing plate 4 supports the supported surface 3h of the flange portion 3b.

[0040] Thereafter, as shown in FIG. 5(a), the spatula part 9 is used to press the insulating material G against the base material S. The recessed part 9a of the spatula part 9 presses the base material S through the insulating material G, allowing the user to check the position and size of the base material S even through the insulating material G. Furthermore, because the base material S is pressed so that it fits into the recessed part 9a of the spatula part 9, the approximate center position of the base material S can be determined, and the fixing member can be driven into the center of the base material S. Therefore, the fixing member can be driven in parallel even when driven in while sliding up and down.

[0041] As shown in Figure 5(a), when viewed from above, the recess 9a and the tip of the cylindrical portion of the loaded fixing pin 3 are formed to be on the same line, so even if the spatula portion 9 is pressed against the insulating material G, the cylindrical portion 3a will not unnecessarily break through the moisture-proof sheet of the insulating material G before the fixing member 2 is fired, and the moisture-proof properties of the inside of the insulating material G can be maintained.

[0042] After determining the location where the fixing member 2 is to be driven in, the fixing member 2 is fired as shown in Figure 5(b), whereby the fixing member 2 passes through the inside of the nose 1b and penetrates the body 2a of the tubular part 3a.Then, because the inner diameter of the central hole 3d is smaller than that of the head 2b of the fixing member 2, the head 2b gets caught in the central hole 3d of the flange part 3b, and the flange part 3b bends in the direction of firing.

[0043] Then, as shown in FIG. 6(a), the fixing member 2 and the fixing pin 3 are released from the storage portion 8 and are ejected in the ejection direction, penetrating the insulating material G held down by the spatula portion 9, and the tip of the fixing member 2 protruding from the tubular portion 3a is struck into the base material S. Then, as shown in FIG. 6(b), the installation of the insulating material G using the fixing pin 3 is completed. By using the fixing pin holding attachment 100, it is no longer necessary to hammer the fixing member while holding the fixing pin 3 with one hand, thereby improving safety. Furthermore, because the fixing member can be hammered in with one hand, it can be easily hammered in even in places where it is difficult to work with both hands, such as corners or high places, thereby improving work efficiency.

[0044] <First feature> According to a first feature, the attachment for holding a fixing pin of the present invention is an attachment for holding a fixing pin of a handheld automatic driver for holding a fixing pin in front of the launch port of the handheld automatic driver, the fixing pin having a cylindrical portion having an insertion hole through which the barrel portion of the fixing member ejected from the handheld automatic driver is inserted, and a flange portion provided at one end of the cylindrical portion and having a central hole connected to the insertion hole, and the attachment has a pressure plate portion that supports the surface of the flange portion on which the cylindrical portion is provided, a back plate portion that supports the back surface of the flange portion, a spacer plate located between the back plate portion and the fixing plate portion and having approximately the same thickness as the flange portion and supporting the side of the flange portion, and a connecting portion that connects the launch port and the back plate portion, and the pressure plate portion has a gap at the top that is wider than the outer diameter of the cylindrical portion, and an opening that is connected to the gap and releases the loaded flange portion from the storage portion, and the attachment is characterized in that the fixing pin is held by loading the flange portion into the storage portion formed by the pressure plate portion, the back plate portion, and the spacer plate.

[0045] According to the first feature, the flange portion is loaded into the storage section formed by the pressure plate portion, the back plate portion, and the spacer plate, thereby allowing the fixing pin to be held. The pressure plate portion has a gap at the top that is wider than the outer diameter of the cylindrical portion, so that the cylindrical portion can pass through the gap and the flange portion can be loaded from above, thereby preventing accidents and injuries due to accidental firing and increasing safety.

[0046] <Second feature> The flange portion is elastic, and the inner diameter of the central hole is formed smaller than the head of the fixing member, and when the fixing member is fired, the head of the fixing member gets caught in the central hole of the flange portion loaded in the storage portion, and the flange portion is bent by the propulsion force of the fixing member, so that the flange portion passes through the opening and is released from the storage portion, which is the attachment for holding a fixing pin described in the first feature.

[0047] According to the second feature, the flange portion is elastic, and the head of the fixing member is formed larger than the inner diameter of the center hole. Therefore, after the fixing member is fired, the head of the fixing member gets caught in the center hole, and the flange portion flexes, supporting the fixing pin to the extent that it can be released from the pressure plate portion of the storage section, so that when the fixing member is fired, it can be fired forward together with the fixing pin.

[0048] <Third feature> This is an attachment for holding a fixed pin according to the first or second feature, characterized in that a thin spatula portion is formed extending in the injection direction from the lower end of the pressing plate portion.

[0049] According to the third feature, a thin spatula portion is formed from the lower end of the pressure plate portion and extends in the injection direction relative to the pressure plate portion.The spatula portion presses the insulation material against the base material, making it possible to stably hammer the fixing member into the base material even if the insulation material is resilient, and the fixing member can be hammered in without wobbling left and right.

[0050] <Fourth feature> The attachment for holding a fixing pin according to any one of the first to third features is characterized in that it has a recess recessed from the edge of the extended spatula portion toward the pressing plate portion.

[0051] According to the fourth feature, the end edge of the extended spatula part has a recessed part recessed towards the pressing plate part, so that by pressing the spatula part so that the base material fits into the recessed part, it is possible to grasp the approximate location and width of the base material even through the insulation material, and the fixing member can be driven along the center line of the base material.

[0052] <5th feature> This is an attachment for holding a fixing pin described in any one of the first to fourth features, characterized in that the depression of the recess is formed so that, in a planar view, it is on the same line as the tip of the tubular portion of the loaded fixing pin or extends beyond the tip of the loaded fixing pin.

[0053] According to the fifth feature, the depression of the recess is formed so that, in a plan view, it is on the same line as the tip of the loaded fixing pin or extends beyond the tip of the tubular portion of the loaded fixing pin, so that even if the spatula portion is pressed against the insulation, the tip of the fixing pin will not inadvertently break through the moisture-proof sheet on the surface of the insulation. [Explanation of symbols]

[0054] 100 Fixed pin holding attachment 1a Launch port 1b Nose part 1c protrusion 2 Fixing member 2a Torso 2b head 3 fixing pins 3a Cylindrical part 3b Flange 3c Insertion hole 3d center hole 3e Back 3f surface 3g side 3h Supported surface 4 Presser plate 4a Gap 4b opening 4c Lower end 5 Back plate part 6 spacer plates 7 Connection 7a Connection hole 8 Storage section 9 Spatula 9a Recess G. Insulation S Undercoat

Claims

1. An attachment for holding a fixing pin of a hand-held automatic driver, for holding a fixing pin in front of a firing nozzle of the hand-held automatic driver, the fixing pin having a cylindrical portion having an insertion hole through which a barrel portion of a fixing member to be fired from the hand-held automatic driver is inserted, and a flange portion provided at one end of the cylindrical portion and having a center hole connected to the insertion hole, a pressing plate portion that supports a surface of the flange portion on which the cylindrical portion is provided; and a back plate portion supporting a back surface of the flange portion; a spacer plate located between the rear plate portion and the pressing plate portion, having approximately the same thickness as the flange portion, and supporting a side surface of the flange portion; a connection portion that connects the launch port and the back plate portion, The presser plate portion has a gap at an upper portion thereof that is wider than the outer diameter of the cylindrical portion, an opening that communicates with the gap and releases the loaded flange portion from the storage portion; An attachment for holding a fixed pin, characterized in that the fixed pin is held by loading the flange portion into a storage portion formed by the pressure plate portion, the back plate portion, and the spacer plate.

2. The flange portion has elasticity, The inner diameter of the central hole is smaller than the head of the fixing member, 2. The attachment for holding a fixing pin according to claim 1, characterized in that, when the fixing member is fired, the head of the fixing member gets caught in the central hole of the flange portion loaded in the storage portion, and the flange portion is bent by the propulsion force of the fixing member, so that the flange portion passes through the opening and is released from the storage portion.

3. 3. The attachment for holding a fixing pin according to claim 1, wherein a spatula portion made of a thin plate is formed extending in the injection direction from a lower end of the pressing plate portion.

4. 4. The attachment for holding a fixing pin according to claim 3, wherein a recess is formed in the edge of the extending spatula portion toward the pressing plate portion.

5. An attachment for holding a fixing pin as described in claim 4, characterized in that the depression of the recess is formed so that, in a plan view, it is on the same line as the tip of the tubular portion of the loaded fixing pin or exceeds the tip of the loaded fixing pin.

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