CN220113189U - Screwdriver with replaceable head - Google Patents
Screwdriver with replaceable head Download PDFInfo
- Publication number
- CN220113189U CN220113189U CN202320658272.5U CN202320658272U CN220113189U CN 220113189 U CN220113189 U CN 220113189U CN 202320658272 U CN202320658272 U CN 202320658272U CN 220113189 U CN220113189 U CN 220113189U
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- cutter
- head
- cutter bar
- guide rail
- screwdriver
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000006872 improvement Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a screwdriver with a replaceable head. The screwdriver with the replaceable head comprises a cutter bar, wherein the cutter bar is of a hollow structure, a plurality of cutter grooves which are uniformly distributed at intervals along the circumferential direction of the cutter bar are formed in the outer wall of the lower end of the cutter bar, a first cutter head is formed at the lower end of the cutter bar, a through hole communicated with the inside of the cutter bar is formed in the lower end of the cutter bar, a second cutter head is arranged in the through hole, a ball pen ejection mechanism is arranged in the cutter bar, the lower end of the ball pen ejection mechanism is fixedly connected with the second cutter head and used for driving the second cutter head to extend out of the cutter bar and be hidden in the cutter bar. The two sides of the transmission rod are respectively provided with a fixed rod, the upper end of the spring is fixedly connected with the fixed rods, and the lower end of the spring is fixedly connected with the inner wall of the cutter bar. Compared with the screw driver with the replaceable head in the prior art, the screw driver with the replaceable head has the advantages that two cutter heads are not easy to lose, and the screw driver can be operated by one hand when the cutter heads are switched, so that the single-hand operation use environment can be met.
Description
Technical Field
The utility model belongs to the technical field of screwdrivers, and particularly relates to a screwdriver with a replaceable head.
Background
Screwdrivers are widely used for disassembling and assembling various workpieces, and in order to facilitate the disassembly and assembly of workpieces with different sizes, many combined screwdrivers have been developed at present, and the combined screwdrivers can be roughly divided into two types: the screwdriver is characterized in that the tool bit and the cutter bar or the cutter bar and the handle are detachably connected, the tool bit or the cutter bar and the handle are stored separately, and different screwdrivers are formed by replacing the tool bit or the cutter bar. The screwdriver has wide application range and strong practicability, but the replaced tool bit or tool bar needs a specific place to store, so that the screwdriver occupies a large space, is inconvenient to carry and use, and is easy to lose if the replaced tool bit or tool bar is not properly stored. Another type is a screwdriver itself with additional storage means, by mechanical means or other means to change the bit or shaft to create a different screwdriver. The screwdriver is troublesome in tool bit replacement, inconvenient to operate by one hand, and inconvenient to use in a one-hand operation environment. Therefore, it is necessary to develop a screwdriver with a bit which is not easy to lose and can be replaced by one hand.
Disclosure of Invention
In order to achieve the above object, the present utility model provides a screwdriver with a replaceable head.
The technical scheme of the screwdriver with the replaceable head is as follows:
the utility model provides a screwdriver of interchangeable head, includes the cutter arbor, the cutter arbor is hollow structure, be equipped with a plurality of edge on the lower extreme outer wall of cutter arbor the even interval arrangement's of cutter arbor circumference sword groove, so that the cutter arbor lower extreme forms first tool bit, the lower extreme of cutter arbor be equipped with the inside through-hole of intercommunication of cutter arbor, be equipped with the second tool bit in the through-hole, be equipped with ball-point pen ejection mechanism in the cutter arbor, ball-point pen ejection mechanism's lower extreme with second tool bit fixed connection is used for the drive the second tool bit follows stretch out in the cutter arbor and hide in the cutter arbor.
As a further improvement to the technical scheme, the ball-point pen ejection mechanism comprises a transmission rod, a spring, a guide rail sleeve, a pressing piece and a rotating piece, wherein the guide rail sleeve is fixedly connected to the inner wall of the cutter bar, a plurality of guide rails extending up and down are arranged on the inner wall of the guide rail sleeve, and sliding grooves matched with the guide rails are arranged on the pressing piece so that the pressing piece is installed in the guide rail sleeve in a guiding way; the transmission rod is fixedly connected with the rotating piece, and the second tool bit is fixedly connected to the lower end of the transmission rod; the spring is sleeved on the transmission rod and used for applying upward acting force to the transmission rod; inclined planes are respectively arranged on the lower side surface of the pressing piece and the upper side surface of the rotating piece, so that the rotating piece is pushed to rotate when the pressing piece descends; the rotating piece is provided with a guide groove matched with the guide rail, the rotating piece moves upwards along the guide rail sleeve when rotating to the position that the guide groove corresponds to the guide rail, and the second cutter head is hidden in the cutter bar; the rotating piece is abutted to the lower end of the guide rail sleeve when the guide groove is staggered with the guide rail, and the second cutter head extends out of the cutter bar.
As a further improvement to the technical scheme, the two sides of the transmission rod are respectively provided with a fixed rod, the upper end of the spring is fixedly connected with the fixed rods, and the lower end of the spring is fixedly connected with the inner wall of the cutter bar.
As a further improvement to the technical scheme, the cutter bar comprises a cylindrical section and a conical section which is integrally formed at the lower end of the cylindrical section and is big in top and small in bottom, a plurality of cutter grooves are formed in the outer wall of the conical section, and through holes are formed at the lower end of the conical section.
As a further improvement to the technical scheme, an anti-skid sleeve is arranged at one end of the cylindrical section, which is close to the conical section.
The utility model provides a screwdriver with a replaceable head, which has the beneficial effects that compared with the prior art:
the screw driver with the replaceable head is provided with two tool bits, and screws or screws with two different types can be disassembled and assembled. When the first tool bit is used for disassembling and assembling the screw or the screw, the second tool bit is hidden in the tool bar. When the screw or the screw needs to be disassembled by using the second tool bit, the second tool bit extends out of the cutter bar by operating the ball pen ejection mechanism. Compared with the screw driver with the replaceable head in the prior art, the screw driver with the replaceable head has the advantages that two cutter heads are not easy to lose, and the screw driver can be operated by one hand when the cutter heads are switched, so that the single-hand operation use environment can be met.
Drawings
FIG. 1 is a schematic view of a screwdriver with a replaceable head according to the present utility model;
FIG. 2 is a schematic diagram of a screwdriver with a replaceable head according to the present utility model;
FIG. 3 is a partial schematic view of the interior of the screwdriver with interchangeable heads of the present utility model;
in the figure: 1. a cylindrical section; 2. a conical section; 3. a cutter bar; 4. an anti-skid sleeve; 5. a second cutter head; 6. a knife slot; 7. a ball-point pen ejection mechanism; 8. a transmission rod; 9. a fixed rod; 10. and (3) a spring.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
the specific embodiment of the screwdriver with the replaceable head, as shown in fig. 1 to 3, comprises a cutter bar 3, wherein the cutter bar 3 is of a hollow structure, a plurality of cutter grooves 6 which are uniformly arranged at intervals along the circumferential direction of the cutter bar 3 are formed in the outer wall of the lower end of the cutter bar 3, so that a first cutter head is formed at the lower end of the cutter bar 3, a through hole communicated with the inside of the cutter bar 3 is formed in the lower end of the cutter bar 3, a second cutter head 5 is arranged in the through hole, a ball pen ejection mechanism is arranged in the cutter bar 3, and the lower end of the ball pen ejection mechanism is fixedly connected with the second cutter head 5 and used for driving the second cutter head 5 to extend out of the cutter bar 3 and be hidden in the cutter bar 3.
In the embodiment, the ball pen ejection mechanism 7 comprises a transmission rod 8, a spring 10, a guide rail sleeve, a pressing piece and a rotating piece, wherein the guide rail sleeve is fixedly connected to the inner wall of the cutter bar 3, a plurality of guide rails extending up and down are arranged on the inner wall of the guide rail sleeve, and sliding grooves matched with the guide rails are arranged on the pressing piece so that the pressing piece is installed in the guide rail sleeve in a guiding way; the transmission rod 8 is fixedly connected with the rotating piece, and the second tool bit 5 is fixedly connected to the lower end of the transmission rod 8; the spring 10 is sleeved on the transmission rod 8 and is used for applying upward acting force to the transmission rod 8; the lower side surface of the pressing piece and the upper side surface of the rotating piece are respectively provided with an inclined surface so that the pressing piece pushes the rotating piece to rotate when going down; the rotating part is provided with a guide groove matched with the guide rail, the rotating part moves upwards along the guide rail sleeve when rotating to the position that the guide groove corresponds to the guide rail, and the second cutter head 5 is hidden in the cutter bar 3; the rotating part is abutted to the lower end of the guide rail sleeve when the guide groove is staggered with the guide rail, and the second cutter head 5 extends out of the cutter bar 3.
In this embodiment, the two sides of the transmission rod 8 are respectively provided with a fixing rod 9, the upper end of a spring 10 is fixedly connected with the fixing rod 9, and the lower end of the spring 10 is fixedly connected with the inner wall of the cutter bar 3. The cutter arbor 3 includes cylindricality section 1 and integrated into one piece at cylindricality section 1 lower extreme, big-end-up's toper section 2, and a plurality of sword groove 6 sets up on toper section 2 outer wall, and the through-hole sets up the lower extreme at toper section 2. The end of the cylindrical section 1, which is close to the conical section 2, is provided with an anti-skid sleeve 4.
The screw driver with the replaceable head is provided with two tool bits, and screws or screws with two different types can be disassembled and assembled. When the screw or the screw is assembled and disassembled by using the first tool bit, the second tool bit 5 is hidden in the tool bar 3. When the screw or the screw is required to be removed by using the second cutter head 5, the second cutter head 5 is protruded from the inside of the cutter bar 3 by operating the ballpoint pen ejector mechanism 7. Compared with the screw driver with the replaceable head in the prior art, the screw driver with the replaceable head has the advantages that two cutter heads are not easy to lose, and the screw driver can be operated by one hand when the cutter heads are switched, so that the single-hand operation use environment can be met.
In other embodiments, the second tool bit 5 and the driving rod 8 may be detachable, so that the present utility model can be adapted to more types of screws or bolts by replacing the second tool bit 5 with a different type.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (5)
1. The utility model provides a screwdriver of interchangeable head, its characterized in that, includes the cutter arbor, the cutter arbor is hollow structure, be equipped with a plurality of edge on the lower extreme outer wall of cutter arbor the sword groove of cutter arbor circumference even interval arrangement, so that the cutter arbor lower extreme forms first tool bit, the lower extreme of cutter arbor be equipped with the inside through-hole of intercommunication of cutter arbor, be equipped with the second tool bit in the through-hole, be equipped with ball-point pen ejection mechanism in the cutter arbor, ball-point pen ejection mechanism's lower extreme with second tool bit fixed connection is used for the drive the second tool bit is followed stretch out in the cutter arbor and hide in the cutter arbor.
2. The head-replaceable screwdriver according to claim 1, wherein the ball-point pen ejection mechanism comprises a transmission rod, a spring, a guide rail sleeve, a pressing piece and a rotating piece, wherein the guide rail sleeve is fixedly connected to the inner wall of the cutter bar, a plurality of guide rails extending up and down are arranged on the inner wall of the guide rail sleeve, and sliding grooves matched with the guide rails are arranged on the pressing piece so that the pressing piece is installed in the guide rail sleeve in a guiding manner; the transmission rod is fixedly connected with the rotating piece, and the second tool bit is fixedly connected to the lower end of the transmission rod; the spring is sleeved on the transmission rod and used for applying upward acting force to the transmission rod; inclined planes are respectively arranged on the lower side surface of the pressing piece and the upper side surface of the rotating piece, so that the rotating piece is pushed to rotate when the pressing piece descends; the rotating piece is provided with a guide groove matched with the guide rail, the rotating piece moves upwards along the guide rail sleeve when rotating to the position that the guide groove corresponds to the guide rail, and the second cutter head is hidden in the cutter bar; the rotating piece is abutted to the lower end of the guide rail sleeve when the guide groove is staggered with the guide rail, and the second cutter head extends out of the cutter bar.
3. The screwdriver with the replaceable head according to claim 2, wherein fixing rods are respectively arranged on two sides of the transmission rod, the upper end of the spring is fixedly connected with the fixing rods, and the lower end of the spring is fixedly connected with the inner wall of the cutter bar.
4. The head-replaceable screwdriver according to claim 1, wherein the cutter bar comprises a cylindrical section and a conical section integrally formed at the lower end of the cylindrical section, the conical section is large in top and small in bottom, a plurality of cutter grooves are formed in the outer wall of the conical section, and the through holes are formed in the lower end of the conical section.
5. The head exchangeable screwdriver of claim 4, wherein an anti-slip sleeve is provided at an end of said cylindrical section adjacent to said conical section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320658272.5U CN220113189U (en) | 2023-03-29 | 2023-03-29 | Screwdriver with replaceable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320658272.5U CN220113189U (en) | 2023-03-29 | 2023-03-29 | Screwdriver with replaceable head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220113189U true CN220113189U (en) | 2023-12-01 |
Family
ID=88889916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320658272.5U Active CN220113189U (en) | 2023-03-29 | 2023-03-29 | Screwdriver with replaceable head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220113189U (en) |
-
2023
- 2023-03-29 CN CN202320658272.5U patent/CN220113189U/en active Active
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| GR01 | Patent grant |