CN213496735U - Split type R connector - Google Patents
Split type R connector Download PDFInfo
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- CN213496735U CN213496735U CN202022522675.6U CN202022522675U CN213496735U CN 213496735 U CN213496735 U CN 213496735U CN 202022522675 U CN202022522675 U CN 202022522675U CN 213496735 U CN213496735 U CN 213496735U
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- hole
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Abstract
The utility model relates to a split type R is connector, including the connecting handle, fix the connecting sleeve and nut on the connecting handle with the saw bit, the connecting handle has the non-circular pole portion that is used for cooperating with saw bit centre bore, the connecting sleeve includes flange and two thread forks, be the cavity portion with pole portion looks adaptation between two thread forks, the thread fork outward appearance sets up the external screw thread, the external screw thread of two thread forks and the internal screw thread looks adaptation of nut; the connecting handle is also provided with a positioning part, the width of the positioning part is equal to the width of the rod part, and the length of the positioning part is greater than the length of the rod part. The torsion of connector is transmitted for the saw bit through pole portion and is driven the saw bit and rotate, and the adapter sleeve has flange and screw thread fork, and the screw thread fork inserts from pole portion both sides, and pole portion is arranged in to the saw bit cover, and same screw thread fork passes the saw bit centre bore, and the flange is inside the saw bit, and location portion is in the saw bit outside, and the nut of screwing on the screw thread fork, this kind of saw bit is changed, need not separate connector and electric drill, and easy dismounting is changed.
Description
Technical Field
The utility model belongs to the hole saw field especially relates to a split type R is connector.
Background
The hole digger is also called as a hole digging saw or a hole saw, which refers to a saw cutting type special circular saw for processing circular holes in modern industry or engineering, and has the advantages of simple and flexible operation, convenient carrying, safety and wide application. The hole digger is installed on a common electric drill, and can conveniently cut various plates such as copper, iron, stainless steel, organic glass and the like.
The hole saw comprises a saw blade and a connector, wherein the saw blade is fixedly connected with the connector and then connected with an electric drill through the connector.
Most of the existing hole saws are provided with a stop piece at the end part of a connector, a saw blade is sleeved on the connector, a nut is screwed, the nut and the stop piece clamp and fix the saw blade on the connector, but under the general condition of the structure, the saw blade is not separated from the connector, namely the cutting size of the hole saw is determined and is not adjusted.
In order to meet different cutting requirements, a connector is generally provided with a plurality of saw blades with different sizes, so that the saw blades can be quickly assembled and disassembled relative to the connector, and at the moment, the saw blades are troublesome to assemble and disassemble by using the existing connector structure.
Disclosure of Invention
The utility model provides a current connector formula structure as an organic whole, the more troublesome defect of dismouting saw bit provides a split type R to the connector for the connector components of a whole that can function independently, the flange can separate, after the separation, the saw bit can be followed the dismouting of connector front position, need not pull down whole connector when the cutting, can change the saw bit, and the convenience is changed in the saw bit dismouting.
The utility model discloses a concrete technical scheme does: a split type R-handle connector comprises a connecting handle, a connecting sleeve and a nut, wherein a saw blade is fixed on the connecting handle, the connecting handle is provided with a non-circular rod part which is matched with a central hole of the saw blade, the connecting sleeve comprises a flange and two threaded forks, a hollow part matched with the rod part is arranged between the two threaded forks, external threads are arranged on the outer surfaces of the threaded forks, and the external threads of the two threaded forks are matched with the internal threads of the nut; the connecting handle is also provided with a positioning part, the width of the positioning part is equal to the width of the rod part, and the length of the positioning part is greater than the length of the rod part.
The adapter sleeve is with the connection handle phase separation, the tip of connection handle is non-circular pole portion, pole portion and the cooperation of saw bit centre bore, the torsion of connector transmits through pole portion and drives the saw bit and rotate for the saw bit, the adapter sleeve has flange and screw thread fork, the screw thread fork inserts from pole portion both sides, the pole portion is arranged in to the saw bit cover, same screw thread fork passes the saw bit centre bore, the flange is inside the saw bit, location portion is in the saw bit outside, the nut of screwing on the screw thread fork, the tight saw bit of nut and flange clamp, if need change the saw bit, then loosen the nut, take off the adapter sleeve, then the saw bit can follow pole portion and withdraw from, assemble again after changing can, this kind of saw bit is changed, need not separate.
Further preferably, the shape of pole portion is rectangle, is provided with the square hole in the pole portion, and the bottom in square hole sets up the connecting hole that is used for connecting the drill bit, is provided with radial locking hole on the connection handle, and locking hole intercommunication connecting hole. The rod portion is long square so that the rod portion can provide torque transmission.
Further preferably, location portion is long waist shape, and the position department that location portion surpasss pole portion is provided with the pinhole, and the pinhole includes unthreaded hole and screw hole, and the diameter of unthreaded hole is less than the diameter of screw hole, and the pinhole link up location portion, and the unthreaded hole is towards pole portion one end.
Further preferably, set up the pin in the pinhole, the pin is the echelonment, divide into major diameter axle and minor diameter axle, and the minor diameter axle cooperatees with the unthreaded hole, and the axial length of minor diameter axle is greater than unthreaded hole length, and major diameter axle outside is provided with the external screw thread, and the external screw thread cooperatees with the screw hole. The axial length of pin minor diameter axle is greater than unthreaded hole length, shows pin and pinhole cooperation back, and the tip of pin stretches out locating part terminal surface, and the saw bit assembly back, the pin can insert the spacing downthehole of saw bit, and when the connector rotated transmission torsion, the torsion of transmission can be shared to the pin for the torsion transmission is more stable.
Further preferably, the flange of the connecting sleeve is circular, and the diameter of the circle is larger than the diameter of the thread of the external thread of the thread fork.
Further preferably, the root of the thread fork is a smooth surface, and the length of the smooth surface is greater than that of the rod part.
Further preferably, the length of the thread yoke is greater than the sum of the lengths of the rod part and the positioning part, and the length difference is enough to be matched with the nut.
The utility model has the advantages that: the adapter sleeve is with the connection handle phase separation, the tip of connection handle is non-circular pole portion, pole portion and the cooperation of saw bit centre bore, the torsion of connector transmits through pole portion and drives the saw bit and rotate for the saw bit, the adapter sleeve has flange and screw thread fork, the screw thread fork inserts from pole portion both sides, the pole portion is arranged in to the saw bit cover, same screw thread fork passes the saw bit centre bore, the flange is inside the saw bit, location portion is in the saw bit outside, the nut of screwing on the screw thread fork, the tight saw bit of nut and flange clamp, if need change the saw bit, then loosen the nut, take off the adapter sleeve, then the saw bit can follow pole portion and withdraw from, assemble again after changing can, this kind of saw bit is changed, need not separate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a schematic end view of the present invention;
fig. 4 is a schematic structural view of a connecting sleeve of the present invention;
FIG. 5 is a schematic view of an end of a stem of the present invention;
FIG. 6 is a schematic view of a hole saw assembly of the present invention;
in the figure: 1. the connecting rod 2, the locking hole 3, the connecting hole 4, the positioning part 5, the pin hole 6, the connecting sleeve 7, the drill bit 8, the pin 9, the nut 10, the rod part 11, the limiting hole 12, the saw blade 13, the thread fork 14, the flange 15 and the hollow part.
Detailed Description
The invention will be further described with reference to specific embodiments and with reference to the accompanying drawings.
Example (b):
as shown in fig. 1, 2 and 3, the split type R-bar connector comprises a connecting handle 1, a connecting sleeve 6 for fixing a saw blade 12 on the connecting handle and a nut 9, wherein the connecting handle is provided with a non-circular rod part 10 matched with a central hole of the saw blade. The connecting handle is also provided with a positioning part 4, the width of the positioning part is equal to the width of the rod part, and the length of the positioning part is greater than the length of the rod part.
As the vegetarian diet of fig. 5, the appearance of pole portion is rectangle, is provided with the square hole in the pole portion, and the bottom in square hole sets up the connecting hole 3 that is used for connecting the drill bit, is provided with radial locking hole 2 on the connection handle, and locking hole intercommunication connecting hole, drill bit insert the connecting hole from the square hole end, and the downthehole screw in locking screw of locking will be connected the handle and the drill bit is fixed mutually.
The location portion is long waist shape, and the position department that location portion surpassed pole portion is provided with pinhole 5, and the pinhole includes unthreaded hole and screw hole, and the diameter of unthreaded hole is less than the diameter of screw hole, and the pinhole link up location portion, and the unthreaded hole is towards pole portion one end. Set up pin 8 in the pinhole, the pin is the echelonment, divide into big footpath axle and path axle, and the path axle cooperatees with the unthreaded hole, and the axial length of path axle is greater than unthreaded hole length, and the tip of pin stretches out location portion terminal surface, and big footpath off-axial portion is provided with the external screw thread, and the external screw thread cooperatees with the screw hole.
As shown in fig. 4, the connecting sleeve includes a flange 14 and two thread forks 13, a hollow portion 15 adapted to the rod portion is provided between the two thread forks, an external thread is provided on the outer surface of the thread fork, and the external thread of the two thread forks is adapted to the internal thread of the nut. The flange of the connecting sleeve is circular, and the diameter of the circle is larger than the diameter of the thread of the external thread of the thread fork. The root position of the thread fork is a smooth surface, and the length of the smooth surface is greater than that of the rod part. The length of the thread fork is larger than the sum of the lengths of the rod part and the positioning part, and the length difference is enough to be matched with the nut.
As shown in fig. 6, the central hole of the saw blade is a long waist hole, the width of the long waist hole is equal to the width of the rod portion, the two sides of the long waist hole are provided with limit holes, the saw blade 12 is sleeved on the rod portion of the connecting handle, the bottom surface of the saw blade contacts with the front end surface of the positioning portion, the end portion of the pin is inserted into the limit holes of the saw blade, and a gap is formed between the two ends of the long waist hole and the rod portion. The connecting sleeve is arranged in the saw blade, the threaded fork penetrates out of the gaps on the two sides of the rod part, the threaded fork is positioned on the two sides of the positioning part after penetrating out, the nut is sleeved in from the tail end of the connecting handle and screwed into the outer part of the threaded fork, and the positioning part and the flange clamp the saw blade along with the screwing of the nut.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (7)
1. A split type R-handle connector is characterized by comprising a connecting handle, a connecting sleeve and a nut, wherein the connecting sleeve is used for fixing a saw blade on the connecting handle, the connecting handle is provided with a non-circular rod part which is matched with a central hole of the saw blade, the connecting sleeve comprises a flange and two thread forks, a hollow part matched with the rod part is arranged between the two thread forks, an external thread is arranged on the outer surface of the thread fork, and the external thread of the two thread forks is matched with an internal thread of the nut; the connecting handle is also provided with a positioning part, the width of the positioning part is equal to the width of the rod part, and the length of the positioning part is greater than the length of the rod part.
2. The split type R-handle connector as claimed in claim 1, wherein the rod portion has a rectangular shape, a square hole is formed in the rod portion, a connecting hole for connecting a drill is formed in the bottom of the square hole, and a radial locking hole is formed in the connecting handle and communicates with the connecting hole.
3. The split type R-handle connector as claimed in claim 1, wherein the positioning portion is shaped like a long waist, a pin hole is formed at a position of the positioning portion beyond the rod portion, the pin hole comprises a unthreaded hole and a threaded hole, the diameter of the unthreaded hole is smaller than that of the threaded hole, the pin hole penetrates through the positioning portion, and the unthreaded hole faces one end of the rod portion.
4. The split type R-handle connector according to claim 3, wherein a pin is arranged in the pin hole, the pin is in a step shape and is divided into a large-diameter shaft and a small-diameter shaft, the small-diameter shaft is matched with the unthreaded hole, the axial length of the small-diameter shaft is larger than that of the unthreaded hole, an external thread is arranged outside the large-diameter shaft, and the external thread is matched with the threaded hole.
5. The split type R-handle connector according to claim 1, 2, 3 or 4, wherein the rib of the connecting sleeve is circular, and the diameter of the circle is larger than the thread diameter of the external thread of the thread fork.
6. The split R-handle connector according to claim 5, wherein the root portion of the thread fork is a smooth surface, and the length of the smooth surface is greater than that of the rod portion.
7. The split R-handle connector according to claim 1, 2, 3 or 4, wherein the length of the thread yoke is greater than the sum of the lengths of the rod part and the positioning part, and the length difference is sufficient to fit the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022522675.6U CN213496735U (en) | 2020-11-04 | 2020-11-04 | Split type R connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022522675.6U CN213496735U (en) | 2020-11-04 | 2020-11-04 | Split type R connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213496735U true CN213496735U (en) | 2021-06-22 |
Family
ID=76420505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022522675.6U Active CN213496735U (en) | 2020-11-04 | 2020-11-04 | Split type R connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213496735U (en) |
-
2020
- 2020-11-04 CN CN202022522675.6U patent/CN213496735U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |