TWM515946U - Combination structure of saw handle and saw blade - Google Patents

Description

Combination of saw handle and saw blade

This creation relates to a saw, especially a combination of a saw handle and a saw blade.

As shown in Fig. 12, the conventional saw structure mainly includes a saw handle 91, a fixing frame 92 and a saw blade 93. The saw handle 91 has a slot 911 opened from the side, and the fixing frame 92 is provided with a structure corresponding to the insertion. The end portion 921 of the groove 911 and the fixing frame 92 have a joint portion 922 to which the saw blade 93 is fixed. When assembling, the saw blade 93 is firstly coupled to the joint portion 922 of the fixing frame 92, and then inserted into the slot 911 by the end portion 921 of the fixing frame 92. The fixing frame 92 and the saw handle 91 are fixed by the locking of the screw 94. That is, the assembly is completed and the sawing can be used.
However, when the saw structure described above is assembled, the assembly of the holder 92 and the saw blade 93 must be completed in the process, and then the holder 92 assembled with the saw blade 93 is placed into the slot 911 with the end portion 921 and screwed. It is locked, so it is inconvenient in assembly due to complicated procedures.
Therefore, how to solve the problem of the above-mentioned conventional saw construction is the main focus of the creation.

The main purpose of the present invention is to solve the above problems and provide a combination of a saw handle and a saw blade, which can achieve a quick and convenient effect when the saw blade is replaced.
For the purposes of the foregoing, this creative department includes:
a shank having a grip and a guard arch disposed adjacent to the grip, and pivoting a swing arm on the same side of the guard, the guard arch being hollow The utility model has a chamber for swinging the swing arm laterally, and has an insertion portion on the saw handle, the insertion portion having a slot on the same side of the chamber and communicating with the chamber The insertion portion is provided with at least one first bar that passes through the slot thereof, and the swing arm is provided with at least one second bar that can be inserted into the chamber, and a handle is disposed on the handle Positioning the fixing device of the swing arm in the chamber;
a saw blade having an end portion insertable into the slot, the end portion having an opening hole and a closing hole, the opening hole opening to an end edge of the saw blade to form an opening through which the first bar is placed, and Forming a stop portion in the open hole; the closed hole is corresponding to the position of the second bar;
The second lever is displaceable between a retracted position and a blocking position when the swing arm swings out of the chamber, and the saw blade is not blocked from being inserted into the slot when the retracted position is inserted, and the saw blade is inserted After the slot, the first bar can be blocked by the block in the open hole; in the blocking position, the second bar is correspondingly disposed in the closed hole, and by the pendulum The arm swings into the chamber and the swing arm is positioned by the fixing device, so that the second bar is abutted against the inner edge of the closed hole to join the saw blade to the saw handle.
Wherein, the saw handle is provided with a shaft hole in the insertion portion thereof, the shaft hole is close to the guard arch and has a large diameter hole and a small diameter hole, and the small diameter hole is laterally connected to the slot relative to the inside; One end of the swing arm is pivotally disposed in the shaft hole, the shaft has a small diameter section passing through the small diameter hole, and a large diameter section is in the large diameter hole, and the swing arm is driven by the shaft The saw handle is pivoted by a diameter difference between the large diameter section and the small diameter hole; the saw handle is bare on the opposite side of the swing arm from the shaft, and the depth of the large diameter hole is greater than the height of the large diameter section The swing arm can be laterally removed when the chamber is placed to allow the second lever to be in the retracted position, and the swing arm is in the blocking position when the swing arm is moved back, and the swing arm swings back to the chamber It is confined within the chamber by the side walls of the chamber.
Wherein, the fixing device has a control member and a fastening member, the control member has a shaft connecting portion pivoted at a bottom of the grip portion with a shaft and the saw handle, and the control member has a pulling portion at the bottom of the saw handle Exposed, the fastener is pivotally disposed on an eccentric block located beside the shaft portion, and the swing arm has a pair of hook portions to be fastened; when the swing arm is in the chamber, the trigger portion is opened The hook is hooked by the fastener, and then the pulling portion is pulled back to make the eccentric block yaw of the shaft. At this time, the eccentric block synchronously drives the fastener away from the hook portion. Swing to hold the hook to position the swing arm.
Wherein, the fixing device has a control member and a screw, the control member has a shaft connecting portion at a bottom of the grip portion and a pivot rod and one end of the screw rod, and the control member has a pulling portion at the bottom of the saw handle Exposed, the saw handle is provided with a nut for the screw to be locked in the grip portion, the swing arm has a pair of perforations to be screwed; and when the swing arm is in the chamber, the perforation pair of the swing arm A nut in the grip portion is passed through the perforation and the control member is driven to lock the screw in the nut to position the swing arm.
Wherein, the open hole is L-shaped and has a straight line segment disposed along a direction in which the saw blade is inserted into the slot, and has a bent portion which is offset from a direction in which the saw blade is inserted into the slot, and the blocking portion is formed. At the turn of the straight line segment and the bend segment.
Wherein, the swing arm has a third lever at an end close to the fixing device.
Wherein, the closed hole has a large diameter hole and a small diameter hole laterally connected, and an outer diameter of the second bar at the rod end is between the large diameter hole and the small diameter hole, and the second block The outer diameter of the rod is smaller than the small diameter hole.
The above and other objects and advantages of the present invention will become more apparent from the detailed description and the accompanying drawings.
Of course, the present invention is allowed to differ in some of the parts, or the arrangement of the parts, but the selected embodiments are described in detail in the present specification, and the construction thereof is shown in the drawings.

(customized part)
91‧‧‧Saw handle
911‧‧‧ slots
92‧‧‧Retaining frame
921‧‧‧ end
922‧‧‧Combination Department
93‧‧‧Saw blade
94‧‧‧ Screws (this part of the creation)
1‧‧‧Saw handle
11‧‧‧ holding hole
12‧‧ ‧ grip
13‧‧‧ guard bow
131‧‧ ‧ room
14‧‧‧Internal Department
141‧‧‧ slots
142‧‧‧First bar
15‧‧‧ swing arm
151‧‧‧second bar
152‧‧‧Hook
153‧‧‧ shaft
153a‧‧‧Small path
153b‧‧‧ Large diameter section
154‧‧‧ Third bar
16‧‧‧Controls
161‧‧‧Axis joint
162‧‧‧Turning Department
163‧‧‧Eccentric block
17‧‧‧fasteners
18‧‧‧ shaft
19‧‧‧Axis hole
191‧‧‧ Large diameter hole
192‧‧‧ small diameter hole
2‧‧‧Saw blade
21‧‧‧ End
22, 22B‧‧‧ Open hole
221‧‧‧ openings
222‧‧ ‧ blocking
223‧‧‧ Straight line
224‧‧‧Bend section
23‧‧‧Closed hole
231‧‧‧ Large diameter hole
232‧‧‧Small diameter hole
3‧‧‧Saw blade
31‧‧‧ End
32‧‧‧Open hole
33‧‧‧Closed hole
4‧‧‧Saw blade
41‧‧‧Retaining frame
152A‧‧‧Perforation
16A‧‧‧Controls
161A‧‧‧Axis joint
162A‧‧‧Turning Department
163A‧‧‧ shaft
164A‧‧‧ nuts
17A‧‧‧ Screw A‧‧‧Retirement position B‧‧‧Blocking position

Figure 1 is a perspective view of a first embodiment of the present creation.
Fig. 2 is a schematic view showing the assembly of the first embodiment of the present creation.
Fig. 3 is a partial structural view showing the first embodiment of the present invention. Fig. 4 is a side view showing the first embodiment of the present creation.
Fig. 5 is a schematic view showing the state of use of the swing arm of the first embodiment of the present invention.
Figure 6 is a schematic view showing the structure of the first embodiment of the present invention for displaying the state when the swing arm swings out of the chamber and the fixing device does not position the swing arm.
Fig. 7 is a view showing the state of use of the fixing device of the first embodiment of the present invention.
Figure 8 is a schematic view showing the structure of the first embodiment of the present invention when assembling another different saw blade.
Figure 9 is a schematic view showing the structure of the first embodiment of the present invention when assembling another different saw blade.
Figure 10 is a schematic view showing the structure of the second embodiment of the present creation.
Figure 11 is a schematic view showing the state of use of the second embodiment of the present creation.
Figure 12 is a schematic view of the structure of a conventional saw handle.

Please refer to FIG. 1 to FIG. 7 , which shows the structure of the first embodiment selected for the present invention, which is for illustrative purposes only and is not limited by the structure in the patent application.
The embodiment provides a combination structure of a saw handle and a saw blade, as shown in FIGS. 1 and 2, including a saw handle 1 and a saw blade 2, wherein:
As shown in FIGS. 1 and 2, the saw handle 1 has an elongated grip hole 11 having a grip portion 12 and a side adjacent to the grip portion 12 on both sides in the width direction of the grip hole 11. The guard rails 13 are disposed at intervals, and the saw handles 1 respectively have an insertion portion 14 and a fixing device at both ends of the length of the grip hole 11. The saw handle 1 is pivotally provided with a swing arm 15 and the guard bow 13 On the same side, the insertion portion 14 is laterally opened with a slot 141. The guard arch 13 is hollow to form a chamber 131 into which the swing arm 15 can be laterally swung, and the chamber 131 and the plug The slot 141 is located on the same side, the slot 141 is in communication with the chamber 131, and the fixing device can be used to position the swing arm 15 to be retained in the chamber 131. The insert portion 14 is provided with a through-the-shoulder in this embodiment. The first lever 142 of the slot 141, and the swing arm 15 is provided with a second lever 151 that can be inserted into the chamber 131.
The saw blade 2 is a saw in the present embodiment, and has a long structure and has an end portion 21 that can be inserted into the slot 141. The end portion 21 has an opening 22 and a closing hole 23, and the opening 22 is opened to An opening 221 for aligning the first bar 142 is formed at an end edge of the saw blade 2, and a blocking portion 222 is formed in the opening hole 22; the closing hole 23 is positioned by the second bar 151 Correspondingly, the closed hole 23 has a large diameter hole 231 and a small diameter hole 232 which are laterally connected in this embodiment.
As shown in FIG. 2, the open hole 22 of the present embodiment has an L shape, and has a straight line segment 223 disposed along the direction in which the saw blade 2 is inserted into the slot 141, and has a deviation from the saw blade 2 inserted into the slot. A bending section 224 is provided in the direction of 141, and the blocking portion 222 is formed at the straight portion of the straight line segment 223 and the bending portion 224.
As shown in FIGS. 2 and 3, the fixing device of this embodiment has a control member 16 and a fastener member 17, and the control member 16 has a shaft portion 161 at the bottom of the grip portion 12 with a shaft 18 and the saw. The handle 1 is pivoted, and the control member 16 has a triggering portion 162 exposed at the bottom of the saw handle 1. The fastener member 17 is pivotally disposed at an eccentric block 163 located beside the shaft joint portion 161, and the swing arm 15 has A pair of hook portions 152 are provided for the fasteners 17.
As shown in FIGS. 4 and 5, the saw handle 1 of the present embodiment is provided with a shaft hole 19 in the insertion portion 14, and the shaft hole 19 is adjacent to the guard rail 13 and has a large diameter hole 191 and a small diameter hole 192. The small diameter hole 192 is laterally connected to the slot 141. The one end of the swing arm 15 is pivotally disposed in the shaft hole 19, and the shaft 153 has a small diameter section 153a. The small diameter hole 192 has a large diameter section 153b in the large diameter hole 191. The swing arm 15 pivots the saw handle with the diameter difference between the large diameter section 154a of the shaft 153 and the small diameter hole 192. 1. The second lever 151 is displaceable between a retreat position A and a blocking position B when the swing arm 15 swings out of the chamber 131.
The shank 1 has a bare space on the opposite side of the swing arm 15 on which the shaft 153 is disposed, and the depth of the large diameter hole 191 is greater than the height of the large diameter section 153b. The swing arm 15 swings out of the chamber 131. When the second lever 151 is displaced in the retracted position A, and the swing arm 15 is moved back to the blocking position B, the swing arm 15 is returned to the chamber 131. The side walls of the chamber 131 are blocked and confined within the chamber 131.
In this embodiment, when the swing arm 15 is pivoted in the chamber 131, the positioning of the fixing device, as shown in FIGS. 6 and 7, first pulls the trigger portion 162 apart and The fastener 17 hooks the hook portion 152, and then the wrench portion 162 is pulled back to make the eccentric block yawed by the shaft 18. At this time, the eccentric block 163 will synchronously drive the fastener 17 away from the The direction of the hook portion 152 is yawed to grasp the hook portion 152 to position the swing arm 15. On the other hand, if the fastener 17 is to be disengaged from the hook portion 152, the triggering portion 162 must be re-opened, so that the eccentric block 163 can simultaneously drive the fastener member 17 to be biased toward the hook portion 152. The fastener 17 can be disengaged from the hook portion 152 so that the swing arm 153 can swing out of the chamber 131.
When the user wants to assemble the saw blade 2 to the saw handle 1, as shown in FIG. 6, the swing arm 15 is first swung out of the chamber 131, and then the swing arm 15 is displaced to the retracted position A ( As shown in Fig. 4, at this time, the second lever 151 does not block the saw blade 2, and the saw blade 2 can be inserted into the slot 141. When the saw blade 2 is inserted into the slot 141, the first blocking lever 142 is moved by the opening 221 to the bending section 224 via the straight section 223, and the first blocking lever 142 is blocked by the blocking hole 22 in the opening 22 222 is blocked; then, the second bar 151 is displaced to the blocking position B and protrudes into the closed hole 23, and the pendulum arm 15 is swung into the cavity 131 and positioned by the fixing device to abut the closed hole The inner edge of the small diameter hole 232 of 23 (as shown in Fig. 7) can be combined with the saw blade 2 to the saw handle 1.
In the present embodiment, the saw blade 2 has another open hole 22B at the end portion 21 corresponding to the shaft 153 located at the insertion portion 14, that is, the shaft 153 is regarded as another second block in this embodiment. The rod, when the saw blade 2 is inserted into the slot 141 of the saw handle 1, is joined as the second lever 151 and the open hole 22 as described above.
Further, as shown in Fig. 8, the saw handle 1 of the present embodiment can mount not only the saw blade 2 but also the saw blade 3. The saw blade 3 is another type of saw. The main difference from the saw blade 2 is that the end portion 31 of the saw blade 3 has two open holes 32 and two closed holes 33, so that the same mounting method as the saw blade 2 can be used. Install the saw blade 3 described. As shown in FIG. 9, the saw handle 1 of the present embodiment can be mounted with a saw blade 4, which is a wire saw having a mating fixing frame 41, and the swing arm 15 is adjacent to the fixing device. The third end of the saw blade 4 is inserted into the slot 141 of the insertion portion 14 and the third end of the saw blade 4 is coupled to the third bar 154. Install the saw blade 4 as described.
From the above description, it is not difficult to find that the advantage of the present invention is that no matter what type of saw blade, the saw handle 1 can be disposed through the swing arm 15 and laterally removed through the arrangement of the swing arm 15 and the fixing device. The saw blade can be inserted into the slot 141 of the insertion portion 14, and the swing arm 15 is laterally moved back and placed into the chamber 131, and the assembly is completed by the fixing device, and the disassembly is reversed. It can be seen that the disassembly and assembly work is quite fast, so that the staff has better convenience in operation.
Of course, there are still many examples of this creation, only the details change. Referring to Figures 10 and 11, which is a second embodiment of the present invention, the main difference from the first embodiment is that the fixing device has a control member 16A and a screw 17A, and the control member 16A has a shaft portion 161A and The pivoting portion 162A is pivoted at the bottom of the grip portion 12 by a shaft 163A and one end of the screw 17A, and the triggering portion 162A of the control member 16A is exposed at the bottom of the saw handle 1, the saw The handle 1 is provided with a nut 164A for locking the screw 17A in the grip portion 12. The swing arm 15 has a pair of through holes 152A which are provided by the screw 17A. When the swing arm 15 is swung in the chamber 131, the through hole 152A of the swing arm 15 is aligned with the nut 164A in the grip portion 12, and then the screw 17A is passed through the through hole 152A and driven. The control member 16A can lock the screw 17A in the nut 164A, and can be used to position the swing arm 15 to achieve the same positioning function as the fixing device of the first embodiment.
The above description of the embodiments is intended to be illustrative of the present invention and is not intended to limit the scope of the present invention.
From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the aforementioned objectives, and has been in compliance with the provisions of the Patent Law, and has filed a patent application.

1‧‧‧Saw handle

11‧‧‧ holding hole

12‧‧ ‧ grip

13‧‧‧ guard bow

131‧‧ ‧ room

14‧‧‧Internal Department

141‧‧‧ slots

142‧‧‧First bar

15‧‧‧ swing arm

151‧‧‧second bar

152‧‧‧Hook

153‧‧‧ shaft

154‧‧‧ Third bar

16‧‧‧Controls

162‧‧‧Turning Department

17‧‧‧fasteners

18‧‧‧ shaft

19‧‧‧Axis hole

2‧‧‧Saw blade

21‧‧‧ End

22, 22B‧‧‧ Open hole

221‧‧‧ openings

222‧‧ ‧ blocking

223‧‧‧ Straight line

224‧‧‧Bend section

23‧‧‧Closed hole

231‧‧‧ Large diameter hole

232‧‧‧Small diameter hole

Claims (7)

A combination of a saw handle and a saw blade, the system comprising:
a shank having a grip and a guard arch disposed adjacent to the grip, and pivoting a swing arm on the same side of the guard, the guard arch being hollow The utility model has a chamber for swinging the swing arm laterally, and has an insertion portion on the saw handle, the insertion portion having a slot on the same side of the chamber and communicating with the chamber The insertion portion is provided with at least one first bar that passes through the slot thereof, and the swing arm is provided with at least one second bar that can be inserted into the chamber, and a handle is disposed on the handle Positioning the fixing device of the swing arm in the chamber;
a saw blade having an end portion insertable into the slot, the end portion having an opening hole and a closing hole, the opening hole opening to an end edge of the saw blade to form an opening through which the first bar is placed, and Forming a stop portion in the open hole; the closed hole is corresponding to the position of the second bar;
The second lever is displaceable between a retracted position and a blocking position when the swing arm swings out of the chamber, and the saw blade is not blocked from being inserted into the slot when the retracted position is inserted, and the saw blade is inserted After the slot, the first bar can be blocked by the block in the open hole; in the blocking position, the second bar is correspondingly disposed in the closed hole, and by the pendulum The arm swings into the chamber and the swing arm is positioned by the fixing device, so that the second bar is abutted against the inner edge of the closed hole to join the saw blade to the saw handle. The combination of the saw handle and the saw blade according to claim 1, wherein the saw handle is provided with a shaft hole in the insertion portion thereof, the shaft hole is close to the guard bow and has a large diameter hole and a small diameter hole. The small-diameter hole is laterally connected to the slot, and one end of the swing arm is pivotally disposed in the shaft hole, and the shaft has a small diameter section passing through the small-diameter hole and has a large diameter In the large diameter hole, the swing arm pivots the saw handle with a diameter difference between the large diameter section of the shaft and the small diameter hole; the saw handle is bare on the opposite side of the swing arm having the shaft Empty, and the depth of the large diameter hole is greater than the height of the large diameter section, the swing arm can be laterally removed when the chamber is swung out, and the second lever is positioned at the retreat position, and the swing arm is moved The returning position is in the blocking position, and the swing arm is blocked in the chamber by being blocked by the side wall of the chamber when it swings back into the chamber. The combination of the saw handle and the saw blade according to claim 1, wherein the fixing device has a control member and a fastener, the control member has a shaft joint at the bottom of the grip portion, and a shaft and the saw handle And the control member has a triggering portion exposed at a bottom of the saw handle, the fastener member is pivotally disposed at an eccentric block located beside the shaft joint portion, the swing arm having a pair of hook portions to be fastened; When the swing arm is in the chamber, the trigger portion is opened and the hook portion is hooked by the fastener, and then the trigger portion is pulled back to make the eccentric block yaw of the shaft. At this time, the eccentricity The block will simultaneously drive the fastener to yaw away from the hook portion to buckle the hook portion to position the swing arm. The combination of the saw handle and the saw blade according to claim 1, wherein the fixing device has a control member and a screw, the control member has a shaft joint at a bottom of the grip portion and a shaft and a pivot end of the screw And the control member has a triggering portion exposed at a bottom of the saw handle, and the saw handle is provided with a nut for the screw to be locked in the grip portion, the swing arm has a pair of perforations to be screwed When the swing arm is in the chamber, the piercing of the swing arm is aligned with the nut in the grip portion, the screw passes through the through hole, and the control member is driven to lock the screw into the nut. And position the swing arm. The combination of the saw handle and the saw blade according to claim 1, wherein the open hole is L-shaped and has a straight line segment along a direction in which the saw blade is inserted into the slot, and has a deviation from the saw blade insertion. A bending section is provided in the direction of the slot, and the blocking portion is formed at the straight line segment and the turning portion of the bending section. The combination of the saw handle and the saw blade according to claim 1, wherein the swing arm has a third lever at an end adjacent to the fixing device. The combination of the saw handle and the saw blade according to claim 1, wherein the closed hole has a large diameter hole and a small diameter hole laterally connected, and the outer diameter of the second blocking rod at the rod end is between Between the large diameter hole and the small diameter hole, and the outer diameter of the second blocking rod on the shaft body is smaller than the small diameter hole.