CN212385360U - Screwdriver with quick-change cutter bar - Google Patents
Screwdriver with quick-change cutter bar Download PDFInfo
- Publication number
- CN212385360U CN212385360U CN201921968156.3U CN201921968156U CN212385360U CN 212385360 U CN212385360 U CN 212385360U CN 201921968156 U CN201921968156 U CN 201921968156U CN 212385360 U CN212385360 U CN 212385360U
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- slot
- screwdriver
- quick
- cutter bar
- inclined plane
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Abstract
The utility model discloses a quick change cutter arbor screwdriver, include: one end of the retainer is provided with a slot, and the other end of the retainer is provided with a cylindrical protruding part; through holes are formed in the two sides of the side face of the retainer, and the two through holes penetrate into the slots; one end of the cutter bar is arranged in the slot; the holding sleeve is arranged on the cylindrical protruding part; the two inclined pressing blocks are respectively arranged in the two through holes, and the two inclined pressing blocks are respectively positioned on two sides of the cutter bar; the telescopic sleeve is sleeved on the retainer and sleeved outside the two inclined pressing blocks to push and press the two pressure relief blocks to be clamped on two sides of the cutter bar; the spring is arranged in the holding sleeve, one end of the spring is propped against the holding sleeve, and the other end of the spring is propped against one end, facing the holding sleeve, of the telescopic sleeve. The utility model extrudes the inclined pressing block by the telescopic sleeve through the spring, thereby clamping the cutter bar of the two inclined pressing blocks; when the telescopic sleeve moves towards the spring, the clamping of the cutter bar is loosened, and the cutter bar is replaced.
Description
Technical Field
The utility model relates to a technical field of screwdriver especially relates to a technical field of quick change cutter arbor screwdriver.
Background
The existing screwdriver is generally installed in a threaded connection mode, or various cutter bars are fixed through fasteners and the like; therefore, the replacement of these screwdrivers is time-consuming and laborious, and the quick and labor-saving replacement of the screwdriver rod cannot be achieved quickly.
SUMMERY OF THE UTILITY MODEL
To the problem of above-mentioned production, an object of the utility model is to provide a can quick change cutter arbor screwdriver.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a quick-change tool holder screwdriver, comprising:
the device comprises a holder, a clamping groove and a cylindrical protrusion part, wherein one end of the holder is provided with the clamping groove, and the other end of the holder is provided with the cylindrical protrusion part; through holes are formed in two sides of the side face of the retainer, and the two through holes penetrate into the slot; a cutter bar is arranged in the slot;
the holding sleeve is arranged on the cylindrical protruding part;
the two inclined pressing blocks are respectively arranged in the two through holes and are respectively positioned on two sides of the cutter bar;
the telescopic sleeve is sleeved on the retainer and sleeved outside the two inclined pressing blocks and used for pushing and pressing the two inclined pressing blocks to be clamped on two sides of the cutter bar;
the spring is arranged in the holding sleeve, one end of the spring abuts against the holding sleeve, and the other end of the spring abuts against one end, facing the holding sleeve, of the telescopic sleeve.
In the screwdriver with the quick-change tool bar, two grooves are formed in two sides of the outer side surface of the retainer respectively along the axial direction of the retainer; and each slot is communicated with the through hole.
The above-mentioned quick change cutter arbor screwdriver, wherein includes: the inner side surface of the inclined pressing block is provided with a curved surface attached to the cutter bar, and the outer diameter of the outer side surface of the inclined pressing block gradually increases linearly from the tail end to the front end.
The screwdriver with the quick-change tool bar comprises a screwdriver rod body, wherein the screwdriver rod body comprises a screwdriver rod body and a screwdriver handle; the cross section of the first slot is circular, and the cross section of the second slot is rectangular; the first slot and the second slot are both arranged on one end face, facing the cutter bar, of the retainer, and the first slot and the second slot are intersected; the second slot depth is greater than the first slot depth.
The screwdriver with the quick-change tool bar comprises a combined inclined plane part, a tail end bulge and a front end bulge, wherein the combined inclined plane part is arranged on the combined inclined plane part; the outer diameter of the composite inclined plane part from the tail end to the front end is gradually increased; the composite inclined plane part is provided with a first inclined plane, a second inclined plane and a third inclined plane from the tail end to the front end; the slope of the second inclined plane is greater than that of the first inclined plane and the second inclined plane; the tail end of the compound inclined plane part is connected with the tail end bulge, and the front end of the compound inclined plane part is connected with the front end bulge.
In the screwdriver with the quick-change tool bar, two second slots are respectively formed in two sides of the bottom of each slot, and a protruding portion is formed between the two second slots at the bottom of each slot; each tail end bulge is matched with the second slot on the same side; the bulge is provided with a through second through hole along the direction of the through hole, and a spring assembly is arranged in the second through hole.
In the screwdriver with the quick-change tool bar, two grooves with arc-shaped sections are respectively arranged on two sides of the cylindrical protrusion; and a plurality of transverse strip-shaped grooves are formed in each groove.
The screwdriver with the quick-change tool bar comprises a holder, a screwdriver rod, a holder, two conical surface grooves and a sloping block, wherein the holder faces the outer wall of the holder, the inner wall of one end of the telescopic sleeve is matched with the outer wall of the holder, the inner cup of the other end of the telescopic sleeve is provided with the two conical surface grooves, and the conical surface grooves are matched.
The screwdriver with the quick-change screwdriver rod is characterized in that the screwdriver rod is a hexagonal screwdriver rod.
The screwdriver with the quickly-changed tool bar is characterized in that the tool bar is a round tool bar; one side of the circular cutter bar, which faces the slot, is provided with a flattening block, the flattening block is arranged along the radial direction of the cutter bar, and the flattening block is matched with the second slot.
The utility model discloses owing to adopted above-mentioned technique, make it compare the positive effect that has with prior art and be:
the utility model extrudes the inclined pressing block by the telescopic sleeve through the spring, thereby clamping the cutter bar of the two inclined pressing blocks; when the telescopic sleeve moves towards the spring, the clamping of the cutter bar is loosened, and the cutter bar is replaced.
Drawings
Fig. 1 is a perspective view of a holder, two ramp blocks, a telescopic sleeve, a spring and a hexagonal screwdriver rod shown after being cut open according to a first embodiment of the screwdriver with quick-change tool bars of the present invention;
fig. 2 is a perspective view of a holder of a first embodiment of a quick-change tool-bar screwdriver according to the present invention;
fig. 3 is a perspective view of the telescopic sleeve of the first embodiment of the quick-change screwdriver rod of the present invention;
fig. 4 is a perspective view of a ramp block of a first embodiment of a screwdriver with quick-change tool bars according to the present invention;
fig. 5 is a perspective view of a grip sleeve of the screwdriver with quick-change tool bar of the present invention;
fig. 6 is a perspective view of a round screwdriver rod of the screwdriver with quick-change tool rod of the present invention;
fig. 7 is a perspective view of a holder, two ramp blocks, a telescopic sleeve, a spring and a screwdriver rod shown after being cut open according to a second embodiment of the screwdriver with quick-change tool bars of the present invention;
fig. 8 is a perspective view of an angle of a ramp block of a second embodiment of a quick-change tool-bar screwdriver according to the present invention;
fig. 9 is a side view of a ramp block of a second embodiment of a quick-change tool-bar screwdriver according to the present invention;
fig. 10 is a perspective view of another angle of the oblique pressing block of the second embodiment of the screwdriver with quick-change tool bar according to the present invention;
fig. 11 is an angled perspective view of the telescoping sleeve of a second embodiment of a quick-change tool holder screwdriver of the present invention;
fig. 12 is a perspective view of another angle of the telescopic sleeve of the second embodiment of the quick-change tool bar screwdriver of the present invention;
fig. 13 is a sectional view of the telescopic sleeve of a second embodiment of a quick-change tool-bar screwdriver according to the present invention;
fig. 14 is a perspective view of a holder of a second embodiment of a quick-change tool-bar screwdriver according to the present invention;
fig. 15 is a schematic view of an end face of a holder of a second embodiment of a quick-change tool-bar screwdriver according to the present invention;
fig. 16 is a sectional view taken along line D-D of fig. 15.
In the drawings:
the first embodiment:
1. a holder; 11. a slot; 111. a first slot; 112. a second slot; 12. a cylindrical protrusion; 121. a groove; 1211. a strip-shaped groove; 13. a through hole; 14. grooving; 2. a cutter bar; 21. flattening the blocks; 3. a grip sleeve; 4. an inclined pressing block; 5. a telescopic sleeve; 51. a conical surface groove; 6. a spring.
Second embodiment:
021. a holder; 0211. a slot; 02111. a second slot; 02112. a boss portion; 0212. a cylindrical protrusion; 0213. a through hole; 02131. a second through hole; 02132. a spring assembly; 0214. grooving;
022. a cutter bar; 3. a grip sleeve; 024. an inclined pressing block; 025. a telescopic sleeve; 0251. a conical surface groove; 02511. a first conical surface; 02512. a second tapered surface; 02513. a third conical surface; 0252. a bevel structure; 026. a spring; 0241. a compound bevel portion; 02411. a first inclined plane; 02412. a second inclined plane; 02413. a third inclined plane; 0242. the tail end is convex; 0243. a front end boss; 0244. the tooth flank is beveled.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
In a first embodiment:
fig. 1 is a perspective view of a holder, two ramp blocks, a telescopic sleeve, a spring and a hexagonal tool bar shown after a screwdriver with a quick-change tool bar of the utility model is cut open; fig. 2 is a perspective view of a holder of the quick-change tool bar screwdriver of the present invention; fig. 3 is a perspective view of the telescopic sleeve of the screwdriver with quick-change tool bar of the present invention; fig. 4 is a perspective view of the oblique pressing block of the screwdriver with quick-change tool bar of the utility model; fig. 5 is a perspective view of a grip sleeve of the screwdriver with quick-change tool bar of the present invention; fig. 6 is a perspective view of the round screwdriver rod of the screwdriver with quick-change tool rod of the present invention.
Referring to fig. 1 to 6, a preferred embodiment, a quick-change screwdriver, is shown, wherein it comprises:
the device comprises a retainer 1, wherein one end of the retainer 1 is provided with a slot 11, and the other end of the retainer 1 is provided with a cylindrical protruding part 12; through holes 13 are formed in both sides of the side surface of the holder 1, and the through holes 13 penetrate into the insertion grooves 11. One end of the cutter bar 2 is arranged in the slot 11.
A holding sleeve 3, the holding sleeve 3 is arranged on the cylindrical protrusion part 12.
Two inclined pressing blocks 4, two inclined pressing blocks 4 are respectively arranged in the two through holes 13, and the two inclined pressing blocks 4 are respectively positioned at two sides of the cutter bar 2.
The telescopic sleeve 5 is sleeved on the retainer 1, and the telescopic sleeve 5 is sleeved outside the two inclined pressing blocks 4 and used for pushing and pressing the two inclined pressing blocks 4 to be clamped on two sides of the cutter bar 2.
The spring 6 is arranged in the holding sleeve 3, one end of the spring 6 is abutted against the holding sleeve 3, and the other end of the spring 6 is abutted against one end, facing the holding sleeve 3, of the telescopic sleeve 5.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
Further, in a preferred embodiment, the method comprises the following steps: the inner side surface of the inclined pressing block 4 is provided with a curved surface which is matched with the cutter bar 2, and the diameter of the outer side surface of the inclined pressing block 4 and the diameter of the intersection line of the cross section moving from the holding sleeve 3 to the cutter bar 2 are linearly increased.
Further, in a preferred embodiment, two slots 14 are respectively arranged on two sides of the outer side surface of the retainer 1 along the axial direction thereof; and each slot 14 is communicated with the through hole 13.
Further, in a preferred embodiment, the slot 11 includes a first slot 111 and a second slot 112; the first slot 111 has a circular cross section, and the second slot 112 has a rectangular cross section; the first slot 111 and the second slot 112 are both arranged on one end surface of the holder 1 facing the cutter bar 2, and the first slot 111 and the second slot 112 are intersected; the second slot 112 has a depth greater than that of the first slot 111.
Further, in a preferred embodiment, two grooves 121 with an arc-shaped cross section are respectively arranged on two sides of the cylindrical protrusion 12; and a plurality of transverse strip-shaped grooves 1211 are formed in each groove 121.
Further, in a preferred embodiment, the inner wall of one end of the telescopic sleeve 5 is fitted with the outer wall of the holder 1 facing the grip sleeve 3, the inner wall of the other end of the telescopic sleeve 5 is provided with two tapered grooves 51, and the tapered grooves 51 are fitted with the outer side surface of the ramp block 4.
Further, in a preferred embodiment, the tool holder 2 is a hexagonal tool holder.
Further, in a preferred embodiment, please refer to fig. 6, the tool bar 2 is a circular tool bar; the side of the round cutter bar facing the slot is provided with a flattening block 21, the flattening block 21 is arranged along the radial direction of the cutter bar 2, and the flattening block 21 is matched with the second slot 112.
In addition to the above embodiments, the present invention further has the following working method:
the user removes to gripping cover 3 through with telescopic sleeve 5 to make telescopic sleeve 3 avoid the extrusion to the barocline piece 4, thereby make two barocline pieces 4 relax to the clamp of cutter arbor 2, thereby change cutter arbor 2.
After the cutter arbor 2 is replaced, the telescopic sleeve 5 is released, so that the telescopic sleeve 5 is automatically reset by the elastic force of the spring 6, the inclined pressing block 4 is extruded by the telescopic sleeve 5, and the two inclined pressing blocks 4 clamp the cutter arbor 2.
In a second embodiment:
fig. 7 is a perspective view of a holder, two ramp blocks, a telescopic sleeve, a spring and a screwdriver rod shown after being cut open according to a second embodiment of the screwdriver with quick-change tool bars of the present invention; fig. 8 is a perspective view of an angle of a ramp block of a second embodiment of a quick-change tool-bar screwdriver according to the present invention; fig. 9 is a side view of a ramp block of a second embodiment of a quick-change tool-bar screwdriver according to the present invention; fig. 10 is a perspective view of another angle of the oblique pressing block of the second embodiment of the screwdriver with quick-change tool bar according to the present invention; fig. 11 is an angled perspective view of the telescoping sleeve of a second embodiment of a quick-change tool holder screwdriver of the present invention; fig. 12 is a perspective view of another angle of the telescopic sleeve of the second embodiment of the quick-change tool bar screwdriver of the present invention; fig. 13 is a sectional view of the telescopic sleeve of a second embodiment of a quick-change tool-bar screwdriver according to the present invention; fig. 14 is a perspective view of a holder of a second embodiment of a quick-change tool-bar screwdriver according to the present invention; fig. 15 is a schematic view of an end face of a holder of a second embodiment of a quick-change tool-bar screwdriver according to the present invention; fig. 16 is a sectional view taken along line D-D of fig. 15.
Referring to fig. 5 and fig. 7 to 16, a screwdriver with quick-change tool bar of the present embodiment includes:
a holder 021, one end of the holder 021 is provided with an insertion groove 0211, and the other end of the holder 021 is provided with a cylindrical protrusion part 0212; both sides of the side surface of the holder 021 are provided with through holes 0213, and the two through holes 0213 penetrate into the slot 0211. One end of the blade bar 022 is disposed in the slot 0211.
A holding sleeve 3, the holding sleeve 3 is arranged on the cylindrical protrusion part 0212.
And the two inclined pressing blocks 024 are respectively arranged in the two through holes 0213, and the two inclined pressing blocks 024 are respectively positioned on two sides of the cutter bar 022.
The telescopic sleeve 025 is sleeved on the retainer 021, and the telescopic sleeve 025 is sleeved outside the two inclined pressing blocks 024 to push and press the two inclined pressing blocks 024 to be clamped on two sides of the cutter bar 022.
A spring 026, the spring 026 is arranged in the holding sleeve 3, one end of the spring 026 is pressed against the holding sleeve 3, and the other end of the spring 026 is pressed against one end of the telescopic sleeve 025 facing the holding sleeve 3.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
Further, in a preferred embodiment, two slots 0214 are respectively arranged on two sides of the outer side surface of the retainer 021 along the axial direction of the retainer 021; and each slot 0214 is communicated with the through hole 0213.
Further, in a preferred embodiment, the ramp block 024 includes a compound ramp portion 0241, a tail lobe 0242, and a front lobe 0243; the outer diameter of the composite inclined plane part 0241 from the tail end to the front end is gradually increased; the compound inclined plane part 0241 is provided with a first inclined plane 02411, a second inclined plane 02412 and a third inclined plane 02413 from the tail end to the front end; the slope of the second slope 02412 is greater than the first slope 02411 and the third slope 02413; the tail end of the compound inclined plane part 0241 is connected with the tail end bulge, and the front end of the compound inclined plane part is connected with the front end bulge.
Further, in a preferred embodiment, two second slots 02111 are respectively disposed on two sides of the bottom of the slot 0211, and a protrusion 02112 is formed between the two second slots 02111 at the bottom of the slot 0211; each tail end projection 0242 is matched with the second slot 02111 on the same side; the protrusion 02112 defines a through second through hole 02131 along the direction of the through hole 0213, and a spring assembly 02132 is disposed in the second through hole 02131.
Further, in a preferred embodiment, the inner wall of one end of the telescopic sleeve 025 is fitted with the outer wall of the holder 021 facing the grip sleeve 3, the inner wall of the other end of the telescopic sleeve 025 is provided with two tapered grooves 0251, and the tapered grooves 0251 are fitted with the outer side surface of the ramp block 4. Each conical surface groove 0251 is provided with a first conical surface 02511, a second conical surface 02512 and a third conical surface 02513 from the tail end to the front end; the first taper 02511 matches the first slope 02411, the second taper 02512 matches the second slope 02412, and the third taper 02513 matches the third slope 02413.
Further, in a preferred embodiment, the telescoping sleeve 025 is provided with ramp structures 0252 on each side of the front end, the ramp structures 0252 being adapted to engage the hand of the user.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. A quick-change tool holder screwdriver, comprising:
the device comprises a holder, a clamping groove and a cylindrical protrusion part, wherein one end of the holder is provided with the clamping groove, and the other end of the holder is provided with the cylindrical protrusion part; through holes are formed in two sides of the side face of the retainer, and the two through holes penetrate into the slot; a cutter bar is arranged in the slot;
the holding sleeve is arranged on the cylindrical protruding part;
the two inclined pressing blocks are respectively arranged in the two through holes and are respectively positioned on two sides of the cutter bar;
the telescopic sleeve is sleeved on the retainer and sleeved outside the two inclined pressing blocks and used for pushing and pressing the two inclined pressing blocks to be clamped on two sides of the cutter bar;
the spring is arranged in the holding sleeve, one end of the spring abuts against the holding sleeve, and the other end of the spring abuts against one end, facing the holding sleeve, of the telescopic sleeve.
2. The screwdriver with the quick-change tool bar as claimed in claim 1, wherein two axial slots are respectively formed on two sides of the outer side surface of the retainer; and each slot is communicated with the through hole.
3. The quick-change screwdriver as recited in claim 2, comprising: the inner side surface of the inclined pressing block is provided with a curved surface attached to the cutter bar, and the outer diameter of the outer side surface of the inclined pressing block gradually increases linearly from the tail end to the front end.
4. The quick-change screwdriver as recited in claim 3, wherein the slots comprise a first slot and a second slot; the cross section of the first slot is circular, and the cross section of the second slot is rectangular; the first slot and the second slot are both arranged on one end face, facing the cutter bar, of the retainer, and the first slot and the second slot are intersected; the second slot depth is greater than the first slot depth.
5. The quick-change screwdriver as recited in claim 2, wherein the ramp block comprises a compound ramp portion, a tail end protrusion, and a nose end protrusion; the outer diameter of the composite inclined plane part from the tail end to the front end is gradually increased; the composite inclined plane part is provided with a first inclined plane, a second inclined plane and a third inclined plane from the tail end to the front end; the slope of the second inclined plane is greater than that of the first inclined plane and the third inclined plane; the tail end of the compound inclined plane part is connected with the tail end bulge, and the front end of the compound inclined plane part is connected with the front end bulge.
6. The screwdriver with the quick-change tool bar as claimed in claim 5, wherein two second slots are respectively formed on two sides of the bottom of each slot, and a protruding part is formed between the two second slots at the bottom of each slot; each tail end bulge is matched with the second slot on the same side; the bulge is provided with a through second through hole along the direction of the through hole, and a spring assembly is arranged in the second through hole.
7. The quick-change screwdriver rod as claimed in claim 1, wherein two grooves with an arc-shaped cross section are respectively arranged on two sides of the cylindrical protrusion; and a plurality of transverse strip-shaped grooves are formed in each groove.
8. The screwdriver as claimed in claim 1, wherein the inner wall of one end of the telescopic sleeve is matched with the outer wall of the holder facing the holding sleeve, and the inner cup of the other end of the telescopic sleeve is provided with two conical grooves matched with the outer side surface of the corresponding inclined pressing block.
9. The quick-change screwdriver as recited in claim 1, wherein the screwdriver is a hex-head screwdriver.
10. The quick-change screwdriver as recited in claim 4, wherein the screwdriver rod is a round screwdriver rod; one side of the circular cutter bar, which faces the slot, is provided with a flattening block, the flattening block is arranged along the radial direction of the cutter bar, and the flattening block is matched with the second slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921968156.3U CN212385360U (en) | 2019-11-14 | 2019-11-14 | Screwdriver with quick-change cutter bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921968156.3U CN212385360U (en) | 2019-11-14 | 2019-11-14 | Screwdriver with quick-change cutter bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212385360U true CN212385360U (en) | 2021-01-22 |
Family
ID=74247578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921968156.3U Active CN212385360U (en) | 2019-11-14 | 2019-11-14 | Screwdriver with quick-change cutter bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212385360U (en) |
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2019
- 2019-11-14 CN CN201921968156.3U patent/CN212385360U/en active Active
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