JPH0312431Y2 - - Google Patents

Description

[Detailed explanation of the invention] A. Purpose of the invention (1) Industrial application field The present invention has a flange at the rear end that engages with the attached member, and the tip has an expanded diameter so that it can engage with the attached member. A rivet consisting of a female cylinder and a male shaft thrust into the rear end of the female cylinder to expand the diameter of the tip of the female cylinder in accordance with the pushing operation, each having corresponding coupling holes, is overlapped. The present invention relates to a rivet pushing tool for pushing a male shaft into a female cylinder with the female cylinder inserted into both coupling holes in order to connect a mounting member and a mounted member.

(2) Prior Art Conventionally, as such a tool, one disclosed in Japanese Patent Application Laid-Open No. 18069/1983 has been known.

(3) Problems to be solved by the invention In the above-mentioned conventional technology, the actuating member is located on the front side of the grip along the direction in which the rivet is pushed in, and the actuating member is rotated in the opposite direction to the pushing direction. Therefore, the direction in which the rivet is pressed toward the mounted member and the mounting member is opposite to the direction in which the actuating member is operated.
Difficult to operate.

The present invention was devised in view of the above circumstances, and it is an object of the present invention to provide a rivet pushing tool that has a simplified structure and is easy to operate.

B. Structure of the invention (1) Means for solving the problem The tool of the present invention has a frame consisting of a guide part extending in the pushing direction and a gripping part connected in a substantially T-shape, and a gripping part along the pushing direction. An operating lever is supported on the rear side of the handle so that it can be rotated toward and away from the grip, and a driver is disposed within the guide that protrudes and moves in response to the rotation of the operating lever toward the grip. The manual striking mechanism includes: a sleeve having a holding part at the tip capable of holding the rivet with the female cylinder protruding, and connected to the guide part on the tip side along the pushing direction; a pushing mechanism formed by sliding a pressing shaft that can come into contact with the rear end of the shaft and is interlocked and connected to the driver; movably housing a group of rivets arranged in a band shape with a large number of rivets separable; a magazine connected to the tip of the sleeve; and a feed pawl that can engage the rivet at the other end of the rod, one end of which is connected to the operating lever, in order to supply the tip rivets of the group of rivets in the magazine to the holding section. and a rivet feeding mechanism.

(2) Action When the operating lever is pressed and rotated toward the grip side, the rivet at the tip of the magazine is fed by the feed claw to the holding section at the tip of the sleeve, and the female cylinder of the rivet protruding from the sleeve is inserted into the coupling hole. When the operating lever is further pressed and rotated, the driver moves forward impulsively, and in response, the pressing shaft pushes the male shaft of the rivet into the female cylinder, and the mounted member is coupled to the mounting member.

(3) Embodiment An embodiment of the present invention will be described below with reference to the drawings. First, in FIG. 1, this rivet pushing tool has a manual striking mechanism 1 and a pushing mechanism 2.
, a magazine 3, and a rivet feeding mechanism 4.

In FIGS. 2 and 3, the rivet R is
This is a conventionally known device consisting of a female cylinder 5 and a male shaft 6, both of which are made of synthetic resin.
This rivet R connects the mounting member 9 and the mounted member 10, which have mutually corresponding coupling holes 7 and 8 and are overlapped, and the female cylinder 5 has a flange portion that engages with the mounted member 10. 11 at the rear end so that it can be inserted into both the coupling holes 7 and 8. In addition, the tip of the female cylinder 5 is cut into a plurality of pieces, for example four, in the circumferential direction so that the diameter thereof expands and engages with the mounting member 9 when the male shaft 6 is pushed in. Further, an enlarged diameter head 12 is integrally provided at the rear end of the male shaft 6 via a stepped portion 13, and the enlarged diameter head 12 is accommodated in the flange 11 of the female cylinder 5 until it is flush with the rear end of the male shaft 6. A recess 14 is provided. A male thread 15 is formed on the male shaft 6, and a female thread 16 into which the male thread 15 is screwed is formed on the inner surface of the female cylinder 5 near the rear end. Further, a cross-shaped groove 17 for rotational operation is provided at the center of the rear end surface of the male shaft 6.

The rivet R is supplied in the form of a series of strips in which a part of the outer edge of the flange 11 is connected so as to be easily separable, and at the time of supply, the male shaft 6 is shallowly inserted into the female cylinder 5. . Moreover, as shown in FIG. 3, the male shaft 6 can be screwed back while the mounting member 9 and the mounted member 10 are connected with the rivet 4, and the connected state can be released by loosening the male shaft 6. be able to.

In FIGS. 4 and 5, manual impact mechanism 1
To explain the configuration of this manual striking mechanism 1,
The frame 2 includes a guide part 19 extending along the pushing direction 18 of the rivet R, and a grip part 20 connected to the guide part 19 orthogonally in a substantially T-shape.
1.

This frame 21 is constructed by mutually connecting a pair of substantially T-shaped plates, and the guide portion 1
9 is fitted and fixed within an outer frame 22 formed in a substantially U-shape within a plane perpendicular to the pushing direction 18 . A cap 23 is fixed to the rear end of the outer frame 22, and a guide portion 19 is arranged opposite to the cap 23.
A receiving member 24 is fixed near the tip. Moreover, the elastic material 5 is adhered onto the receiving member 24.

A guide portion 29 is formed between the cap 23 and the elastic material 25.
The plunger 26 is slidably movable back and forth along the pushing direction 18. This plunger 26
is formed in the shape of a rectangular tube with a bottom that is open to the cap 23 side, and a coiled spring 27 is interposed between the spacer 32 and the plunger 26 that are in contact with the cap 23. This spring 27 urges the plunger 26 forward in the pushing direction 18, and presses and moves the plunger 26 toward the cap 23 against the spring force of the spring 27. When released, the plunger 26 is impulsively moved forward in the pushing direction 18 by the spring 27.

A flat driver 28 that slides on the inner surface of the outer frame 22 is engaged with the plunger 26 , and therefore the driver 28 moves together with the plunger 26 . Furthermore, a notch 29 is provided at the tip of the outer frame 22, and the driver 28 protrudes from the guide portion 19 to face the notch 29 with the plunger 26 in contact with the elastic member 25.

The grip part 20 is provided with a grip member 30 made of synthetic resin for an operator to grasp, and this grip member 30 has an abutment protrusion that protrudes from the grip part 20 on the rear side along the pushing direction 18. 31 is integrally provided in a protruding manner.

On the rear side of the gripping part 20 along the pushing direction 18,
The guide part 19 in the frame 21 has a grip part 2.
An operating lever 35 is connected and supported so that it can be rotated toward and away from zero. This operating lever 35
is formed into a substantially U-shaped cross section that opens downward, and support plate portions 35a and 35b facing each other are integrally provided at the base end thereof. These support plate parts 35a, 35b are arranged so as to sandwich the outer frame 22 from both sides, and are connected to and supported by the guide part 19 and the outer frame 22 by a pair of fulcrum pins 36, 36. Moreover, in a portion near the base end of the operation lever 35, a guide portion 19 along the pushing direction 18 and a stopper 3 that comes into contact with the rear end of the outer frame 22 to restrict rotation are provided.
7 is provided. Therefore, the operating lever 35
are the position where the contact protrusion 31 contacts and the stopper 3
7 is rotatable between a position where the guide portion 19 and the outer frame 22 come into contact with each other.

A trigger member 38 is rotatably supported by a shaft 39 parallel to the fulcrum pin 36 in a portion of the gripping portion 20 near the guide portion 19 . This trigger member 38
A roller 40 that rolls along the lower surface of the operating lever 35 is pivotally supported at one end, and an engaging pawl 41 is provided at the other end of the trigger member 38 . On the other hand, the plunger 26 is provided with a protruding locking protrusion 42 for engaging the engaging claw 41. Furthermore, the engaging claw 41 is arranged to engage with the locking protrusion 42 from the front side along the pushing direction 18. In addition, the engaging claw 4 is lower than the shaft 39.
One end of a spring 44 is connected to a pin 43 provided on the trigger member 38 on one side, and the other end of the spring 44 is connected to a pin 45 implanted in the grip member 30. The trigger member 38 is resiliently biased by the spring 44 in the direction of pressing the roller 40 against the lower surface of the operating lever 35, and when the operating lever 35 is rotated in the direction approaching the grip portion 20, the trigger member 38 is 4, the plunger 26 and the driver 28 are moved rearward in the pushing direction 18 against the spring force of the spring 27. Moreover, the operating lever 35 is
1, the engaging claw 41 and the locking protrusion 42
The engagement state with the trigger member 38 is released in response to rotation of the trigger member 38, and the plunger 26 and the driver 28 impactfully protrude forward in the pushing direction 18 due to the spring force of the spring 27.

The pushing mechanism 2 includes a sleeve 47 having a sliding hole 46 having a circular cross section, and a pressing shaft 48 that slides into the sliding hole 46 . The sleeve 47 is disposed in front of the guide portion 19 along the pushing direction 18 and is connected to the outer frame 22 by a pair of connecting plates 49 .

The tip of the pressing shaft 48 can come into contact with the rear end of the male shaft 6 in the rivet R supplied to the tip of the sleeve 47, and the tip has a protrusion 50 that can enter the groove 17 at the rear end of the male shaft 6. is installed protrudingly. Also, the pressing shaft 4
8 is fixed, for example, to the tip of the driver 28 in order to interlock and connect with the driver 28 in the manual striking mechanism 1. Moreover, at the rear end of the pressing shaft 48,
An elastic member 51 is provided to cushion the impact on the sleeve 47 when the driver 28 protrudes with an impact.

In FIG. 6, a holding portion 52 for holding the rivet R is provided at the tip of the sleeve 47. This holding part 52 is attached to the distal end side and the magazine 3
A holding step 5 for receiving the peripheral edge of the enlarged diameter head 12 of the male shaft 6 in the rivet R is provided on the inner surface of the holding chamber 53 which is open to the side and formed by cutting out the tip of the sleeve 47.
4, and the rivet R supplied from the magazine section 3 is coaxially held by a holding section 52 in front of the pressing shaft 48.

The magazine 3 includes a pair of guide members 56 and 57 arranged to sandwich the female cylinder 5 of each rivet R in the form of a series of belts from both sides, and both sides of the enlarged diameter head 12 of the male shaft 6 of each rivet. A pair of guide members 58 and 59 arranged to be in sliding contact with the section have a cross section of approximately U at a plurality of positions spaced apart in the longitudinal direction.
They are integrally connected by a letter-shaped connecting member 64, and are curved in a convex arc shape toward the frame 21 side.
Moreover, one end of the magazine 3 is connected to the tip of the sleeve 47 by a pair of connecting plates 60, and the magazine 3
The other end is connected to the protruding end of the grip portion 20 on the frame 21 by a connecting plate 61 .

Moreover, each guide member 56 in the magazine 3,
The inner surfaces of 57, 58, and 59 are connected to the inner surface of the holding chamber 53 in the holding portion 52, and the rivet R is smoothly guided from the magazine 3 to the holding step portion 54.

The rivet feeding mechanism 4 includes a rod 62 whose one end is connected to the operating lever 35, and a feeding claw 63 provided at the other end. The feed pawl 63 is capable of engaging with the enlarged diameter head 12 of the second rivet R from the top along the supply direction of the rivet R in the magazine 3 from the rear side. Moreover, the feed claw 63 is
It is made of an elastic material to exert a resilient force toward the rivet R side, and when the operating lever 35 is rotated toward the grip portion 20 side, the leading rivet R
is supplied to the holding part 52 and the operating lever 35 is rotated in the direction away from the grip part 20, it passes through the second rivet R from the top in the magazine 3 and engages with the second rivet R from the rear. retreat to a position where it can be met.

Next, the operation of this embodiment will be explained. When joining by rivets R, first the mounting member 9 and the member to be mounted 10 are connected through their joining holes 7 and 8.
Polymerize so that their axes coincide. When the operating lever 35 is rotated toward the gripping part 20 in this state, the rivet feeding mechanism 4 supplies and holds the leading rivet R from the magazine 3 to the holding part 52 at the tip of the sleeve 47, as shown in FIG. be done. Then, the female cylinder 5 of the rivet R held by the holding part 52 is inserted into the coupling holes 7 and 8. At this time, the plunger 26 and the driver 28 are moved rearward along the pushing direction 18 by the trigger member 38, and the pushing shaft 48 is also in a retreated position accordingly.

Next, as shown in FIG.
When it is rotated toward the grip part 20 side until it abuts against the abutment projection 31, the engagement state between the engagement claw 41 and the locking projection 42 is released, and the plunger 26 and the driver 28 are moved by the spring force of the spring 27. Pushing direction 18
Shockingly moves forward along the . In response, the pressing shaft 48 is pressed forward along the pushing direction 18, the tip of the pressing shaft 48 comes into contact with the rear end of the male shaft 6 in the rivet R, and the male shaft 6 is pushed into the female cylinder 5. As a result, the tip of the female cylinder 5 is expanded in diameter by the male shaft 6 and engages with the mounting member 9, and the mounted member 10
is coupled to the mounting member 9 by a rivet R.

At this time, by twisting the sleeve 47 around its axis, the rivet R in the connected state,
The rivet R in the magazine 3 is easily separated.

Therefore, the sleeve 47 is separated from the attached member 10, and the operating lever 35 is separated from the grip portion 20 as shown in FIG. In this way, the engaging claw 41 engages with the locking protrusion 42 of the plunger 26, and the feeding claw 63 of the rivet feeding mechanism 4 moves into the magazine 3.
It engages with the second rivet R from the top.

By repeating such operations, the rivets R that are sent in one after another can be pushed in one after another, and the mounting member 9 and the member to be mounted 10 can be joined together.

Moreover, since the rivet R is pushed in by rotating the operating lever 35 forward in the pushing direction 18,
The operating direction and the pushing direction 18 are the same direction,
Easy to operate.

As another embodiment of the present invention, the driver 28 and the pressing shaft 48 are separated, and the pressing shaft 48 is connected to the driver 28.
It may be spring-biased so that it is always in contact with the.

C. Effect of the invention As described above, the tool of the present invention has a frame in which a gripping part is connected in a substantially T-shape to a guide part extending in the pushing direction, and the gripping part is attached to the rear side of the gripping part along the pushing direction. a manual impact mechanism in which an operating lever is supported so as to be able to rotate toward and away from the guide portion, and a driver is disposed within the guide portion to protrude and move impactively in response to rotation of the operating lever toward the gripping portion; The sleeve has a holding part at its tip that can hold the rivet with the female cylinder protruding, and is connected to the guide part on the tip side along the pushing direction, so that it can come into contact with the rear end of the male shaft of the rivet in the holding part. a pushing mechanism, which is made up of a sliding press shaft that is interlocked and connected to the driver; movably accommodates a group of rivets arranged in a band shape so that a large number of rivets can be separated, and is connected to the tip of the sleeve; a rivet feeder comprising a rod whose one end is connected to the operating lever; and a feed pawl that is provided at the other end of the rod and which can engage with the rivets in order to feed the tip rivets of the group of rivets in the magazine to the holding section; Since it is provided with a mechanism and ;, the structure is simpler than the conventional one, and furthermore, the direction in which the operating lever is operated and the direction in which the rivet is pushed are in the same direction, making it easy to operate.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; Fig. 1 is an overall side view of the tool of the present invention, Fig. 2 is a perspective view showing the rivet supply state, and Fig. 3 is a diagram showing the attachment member and the attached member. FIG. 4 is a longitudinal sectional view of the tool of the present invention, FIG. 5 is an exploded perspective view of the manual striking mechanism, FIG. 6 is an enlarged sectional view taken along the - line of FIG. 4, and FIG. 8 is a vertical side view corresponding to FIG. 4 when the rivet is pushed in, and FIG. 8 is a vertical side view corresponding to FIG. 4 before the operation starts. 1... Manual striking mechanism, 2... Pushing mechanism, 3...
...Magazine, 4...Rivet feeding mechanism, 5...
...Female tube, 6...Male shaft, 7, 8...Joining hole, 9...
Mounting member, 10... Attached member, 11... Flange part,
18... Pushing direction, 19... Guide section, 20...
Gripping part, 21...frame, 28...driver,
35...operation lever, 47...sleeve, 48...
...Press shaft, 52... Holding part, 62... Rod, 6
3...Feeding claw, R...Rivet.

Claims (1)

[Claims for Utility Model Registration] (1) A female cylinder that has a flange at the rear end that engages with the member to be attached and whose tip has an enlarged diameter so that it can engage with the attachment member; A rivet consisting of a male shaft inserted into the rear end of the female cylinder to enlarge the diameter of the tip thereof is used to connect the mounting member and the member to be mounted, which are overlapped and have mutually corresponding joining holes. In a rivet pushing tool for pushing a male shaft into a female cylinder with the female cylinders inserted into both coupling holes, the pushing tool is attached to a frame in which a grip part is connected in a substantially T-shape to a guide part extending in the pushing direction. An operating lever is supported on the rear side of the gripping portion along the direction so as to be able to rotate toward and away from the gripping portion, and within the guide portion, there is a lever that protrudes and moves impactfully in response to rotation of the operating lever toward the gripping portion. A manual striking mechanism is provided with a driver for holding the rivet. a pushing mechanism in which a pushing shaft that can come into contact with the rear end of a male shaft of a rivet and that is interlocked and connected to the driver is slid together; a magazine that is freely housed and connected to the tip of the sleeve; and a rod that is connected at one end to the operating lever and that is connected to the rivet at the other end to feed the tip rivet of the group of rivets in the magazine to the holding section. A rivet pushing tool comprising: a rivet feeding mechanism comprising a feeding claw that can be fitted together; and a rivet feeding mechanism. (2) The rivet pushing tool according to claim 1, wherein the magazine is curved convexly toward the frame between the tip of the sleeve and the gripping portion. .