CN112659034A - Dual-purpose reducing screwdriver - Google Patents
Dual-purpose reducing screwdriver Download PDFInfo
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- CN112659034A CN112659034A CN202110161487.1A CN202110161487A CN112659034A CN 112659034 A CN112659034 A CN 112659034A CN 202110161487 A CN202110161487 A CN 202110161487A CN 112659034 A CN112659034 A CN 112659034A
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- screwdriver
- sliding seat
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- 239000012634 fragment Substances 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
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Abstract
The utility model provides a dual-purpose reducing screwdriver, relates to the hardware and tools field, includes: a main rod and a grab handle of the screwdriver; the grab handle is connected with one end of the main rod of the screwdriver; further comprising: the dual-purpose reducing cutter head; the dual-purpose reducing tool bit is positioned at the other end of the main rod of the screwdriver and is provided with a transverse reducing assembly and a longitudinal telescopic assembly, and the longitudinal telescopic assembly is positioned in the transverse reducing assembly; the horizontal distance between the horizontal sliding seats in the horizontal reducing assembly is adjusted by adjusting the jackscrew through the horizontal sliding seat, so that self-adjustment is realized on the same bolt cutter according to screws with different sizes; the vertical sliding seat is cross-shaped in a normal state, the distance is adjusted only when the cross-shaped screwdriver needs to be changed into a straight shape, the aligning screw is directly pushed tightly, the vertical sliding seat and the connected swing rod move upwards under stress, the compression spring of the vertical sliding seat is compressed, and the cross-shaped screwdriver is converted into the straight screwdriver.
Description
Technical Field
The invention relates to the field of hardware tools, in particular to a dual-purpose variable-diameter screwdriver.
Background
As a common hardware tool, the screwdriver brings great convenience to life and work of people, saves labor cost and improves labor efficiency. The screwdrivers are generally classified into a straight-head screwdriver, a Y-head screwdriver and a cross-head screwdriver according to the shape of the screwdriver head. The structure of a conventional screwdriver generally includes: the handle and the cutter arbor of being connected with the handle, the terminal integrated into one piece of cutter arbor has the tool bit.
At present, the size and the model of the same head type of screw are various, one screwdriver cannot meet the requirements for installation/disassembly at the same time, the problem that the screwdriver head is replaced (the screwdriver head and the screwdriver rod are integrally formed and need to be replaced together with the screwdriver rod) is solved in the market at present, a proper screwdriver head needs to be selected according to the size of the head of the screw during use, and the screwdriver head can be replaced for many times when the same product is installed/disassembled.
The Chinese invention patent with the patent number of 201910782719.8 discloses a screwdriver with a telescopic screwdriver head, which comprises a grab handle and a screwdriver rod detachably connected with the grab handle, wherein the tail end of the screwdriver rod is provided with the screwdriver head; the tool bit comprises at least two screwdriver lobes arranged along the circumferential direction of the tool bar, the tool bar is provided with radial sliding grooves arranged in the radial direction, and the screwdriver lobes can move along the radial sliding grooves so as to slide in the radial direction relative to the tool bar to change the size of the tool bit. According to the screwdriver, when the same product is disassembled, the screwdriver rod and the screwdriver head do not need to be frequently replaced, one screwdriver head can meet the disassembling requirements of screws with the same screw head type and different sizes, frequent replacement of the screwdriver head is avoided, and the screwdriver rod and the screwdriver head can be replaced according to different screw head types; and compared with the existing screwdriver, the screwdriver has smaller size and is easy to carry.
The above screwdriver with retractable tool bits has been found through research to solve only one kind of problem of disassembling screws with the same type of screwhead but facing different types of screwhead such as: the cross and the straight are two common screw head types, and the cutter bar and the cutter head need to be replaced.
Disclosure of Invention
Aiming at the problems, the invention provides a dual-purpose reducing screwdriver, which adjusts the transverse distance of a horizontal sliding seat in a transverse reducing assembly through a horizontal sliding seat adjusting jackscrew, and realizes self adjustment on the same bolt screwdriver according to screws with different sizes; the cross screwdriver is cross-shaped in a normal state, the distance is adjusted only when the cross screwdriver needs to be changed into a straight shape, the aligning screw is tightly pushed, the vertical sliding seat and the connected swing rod move upwards under stress, the compression spring of the vertical sliding seat is compressed, and the cross screwdriver is changed into the straight screwdriver.
The technical scheme adopted by the invention is as follows: a dual-purpose reducing screwdriver comprises: a main rod and a grab handle of the screwdriver; the grab handle is connected with one end of the main rod of the screwdriver; it is characterized by also comprising: the dual-purpose reducing cutter head; the dual-purpose reducing tool bit is located the screwdriver mobile jib other end, and is equipped with horizontal reducing subassembly and vertical flexible subassembly, and vertical flexible subassembly is located horizontal reducing subassembly.
Furthermore, a rectangular groove is longitudinally formed in the front end of the main rod of the screwdriver, a slide way is axially arranged in the groove along the main rod, and T-shaped grooves are formed in the left end and the right end of the rectangular groove.
Further, the transverse reducing assembly comprises: the device comprises a horizontal sliding seat, a horizontal sliding seat adjusting jackscrew, a horizontal sliding seat compression spring and a horizontal sliding seat limiting buckle; at least two horizontal sliding seats are in sliding connection with the T-shaped groove at the front end of the main rod of the screwdriver; the horizontal sliding seat compression spring is positioned between the horizontal sliding seat and the T-shaped groove; the horizontal sliding seat limiting buckle is fixedly arranged on two sides of the screwdriver main rod, which are provided with T-shaped grooves; the horizontal sliding seat adjusting jackscrew penetrates through the horizontal sliding seat limiting buckle to be connected with the horizontal sliding seat and is used for adjusting the distance between the two horizontal sliding seats.
Further, the longitudinal expansion assembly comprises: the swing rod pin shaft, the swing rod right, the swing rod left, the swing rod vertical sliding seat and the swing rod elastic sheet; one ends of the swing rod right sliding seat, the swing rod left sliding seat and the vertical sliding seat are hinged together through a swing rod pin shaft, and the swing rod right sliding seat and the swing rod left sliding seat are positioned on two sides of the vertical sliding seat; one end of the swing rod elastic sheet is fixedly arranged on two sides of the vertical sliding seat, and the other end of the swing rod elastic sheet is in contact with the right side and the left side of the swing rod.
Furthermore, the longitudinal telescopic assembly is slidably mounted in a rectangular groove formed in the front end of the main rod of the screwdriver through a vertical sliding seat, and slides along a slide way axially arranged in the groove; the vertical sliding seat compression spring is positioned between the vertical sliding seat and the rectangular groove formed in the main rod of the screwdriver, and the elastic force of the vertical sliding seat compression spring is larger than that of the swing rod elastic sheet.
Furthermore, the grab handle is detachably connected with the main rod of the screwdriver.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) the dual-purpose variable diameter screwdriver bit can adapt to screws with different head shapes and sizes and avoid frequent replacement of the screwdriver bit.
(2) The dual-purpose reducing screwdriver only consists of the screwdriver main rod, the grab handle and the dual-purpose reducing screwdriver head, and is simple and convenient to use, easy to carry, pure in mechanical structure, stable in structure and convenient to maintain.
Drawings
Fig. 1 is a schematic view of the overall mechanism of the present invention.
FIG. 2 is a cross-sectional view of the reducing assembly of the present invention.
FIG. 3 is a schematic view of a portion A of the transverse diameter changing assembly of the present invention.
FIG. 4 is a cross-sectional view of the longitudinal expansion assembly of the present invention.
FIG. 5 is a schematic view of a portion B of the longitudinal expansion assembly of the present invention.
FIG. 6 is a schematic view of the longitudinal expansion assembly of the present invention.
FIG. 7 is a schematic view of the reducing assembly of the present invention.
Fig. 8 is a schematic view of the main rod and the handle of the screwdriver of the present invention.
Reference numerals:
1-dual-purpose variable diameter tool bit, 2-screwdriver main rod, 3-grab handle, 101-horizontal sliding base, 02-horizontal sliding base adjusting jackscrew, 103-horizontal sliding base pressure spring, 104-horizontal sliding base limit buckle, 105-swing rod pin shaft, 106-swing rod right, 107-swing rod left, 108-vertical sliding base, 109-swing rod elastic sheet and 110-vertical sliding base pressure spring.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below. In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In one embodiment, as shown in fig. 1 to 8, a dual-purpose variable diameter screwdriver comprises: a main rod 2 and a grab handle 3 of the screwdriver; the grab handle 3 is connected with one end of the screwdriver main rod 2; further comprising: a dual-purpose variable diameter cutter head 1; the dual-purpose reducing tool bit 1 is positioned at the other end of the screwdriver main rod 2 and is provided with a transverse reducing assembly and a longitudinal telescopic assembly, and the longitudinal telescopic assembly is positioned in the transverse reducing assembly.
In an optional implementation scheme of the embodiment of the invention, a rectangular groove is longitudinally formed in the front end of the main rod 2 of the screwdriver, a slide way is arranged in the groove along the axial direction of the main rod and used for mounting a longitudinal telescopic assembly, and T-shaped grooves are formed in the left end and the right end of the rectangular groove and used for mounting a transverse diameter-variable assembly.
In an optional implementation of the embodiment of the present invention, the transverse diameter-variable assembly includes: the device comprises a horizontal sliding seat 101, a horizontal sliding seat adjusting jackscrew 102, a horizontal sliding seat compression spring 103 and a horizontal sliding seat limiting buckle 104; the horizontal sliding base 101 is provided with two sliding connection parts which are connected with the T-shaped groove at the front end of the main rod 2 of the screwdriver in a sliding way; the horizontal sliding seat compression spring 103 is positioned between the horizontal sliding seat 101 and the T-shaped groove and is used for adjusting the distance between the horizontal sliding seat 101 and the screwdriver main rod 2; the horizontal sliding seat limit buckle 104 is fixedly arranged on two sides of the screwdriver main rod 2 provided with the T-shaped groove; the horizontal sliding base adjusting jackscrew 102 penetrates through the horizontal sliding base limit buckle 104 to be connected with the horizontal sliding base 101 and is used for adjusting the distance between the two horizontal sliding bases 101.
In an optional implementation of the embodiment of the present invention, the longitudinal expansion assembly includes: a swing rod pin shaft 105, a swing rod right 106, a swing rod left 107, a vertical sliding seat 108 and a swing rod elastic sheet 109; one ends of the swing rod right 106, the swing rod left 107 and the vertical sliding seat 108 are hinged together through a swing rod pin shaft 105, and the swing rod right 106 and the swing rod left 107 are positioned on two sides of the vertical sliding seat 108; one end of the swing rod elastic sheet 109 is fixedly arranged on two sides of the vertical sliding seat 108, and the other end of the swing rod elastic sheet is in contact with the swing rod right 106 and the swing rod left 107. The swing rod right 106 and the swing rod left 107 are pressed to contract, and the automatic resetting of the contracted swing rod right 106 and swing rod left 107 is realized through the swing rod elastic sheet 109.
In an optional implementation scheme of the embodiment of the invention, the longitudinal telescopic component is slidably mounted in a rectangular groove formed in the front end of the main rod 2 of the screwdriver through a vertical sliding seat 108, and slides along a slide way axially arranged in the groove; the vertical sliding seat compression spring 110 is positioned between the vertical sliding seat 108 and the rectangular groove formed in the main rod 2 of the screwdriver, and the elastic force of the vertical sliding seat compression spring 110 is larger than that of the swing rod elastic sheet 109.
In an optional implementation of the embodiment of the present invention, the handle 3 is detachably connected to the main rod 2 of the screwdriver. Because the elasticity of the swing rod elastic sheet is smaller than that of the vertical sliding seat pressure spring, when the swing rod elastic sheet is stressed, the swing rod elastic sheet is firstly compressed, the cross screw is twisted, the swing rod is automatically compressed and adjusted, and the vertical sliding seat does not retract.
When the vertical sliding seat is used, if screws in different models are required to be screwed, the distance between the two horizontal sliding seats is adjusted, the aligned screws are tightly pushed, the vertical sliding seat and the connected swing rod can automatically move upwards, and the vertical sliding seat is compressed by a pressure spring. If need twist the cross screw of different models, also adjust two horizontal slide intervals earlier, the pendulum rod automatic compression regulation laminating cross recess that vertical slide is connected, wherein the elasticity of pendulum rod shell fragment is less than vertical slide pressure spring elasticity, and during the atress, at first compress the pendulum rod shell fragment, twist the cross screw like this, the pendulum rod automatic compression is adjusted, and vertical slide does not retract.
The working principle is as follows:
the horizontal distance between the horizontal sliding seats in the horizontal reducing assembly is adjusted through the horizontal sliding seat adjusting jackscrews, so that self-adjustment is realized according to screws with different sizes; the cross and straight-line-shaped two common screw heads are repeatedly switched under the action of a pressure spring of the vertical sliding seat and a spring plate of the swing rod;
the vertical sliding seat is cross-shaped in a normal state, the distance is adjusted only when the vertical sliding seat needs to be changed into a straight shape, the aligning screw is tightly pushed, at the moment, under the action of external force, the vertical sliding seat and the connected swing rod can move upwards under stress, the compression spring of the vertical sliding seat is compressed, and the installation and the disassembly of the straight-shaped screw are realized.
Claims (6)
1. A dual-purpose reducing screwdriver comprises: a screwdriver main rod (2) and a grab handle (3); the grab handle (3) is connected with one end of the screwdriver main rod (2); it is characterized by also comprising: a dual-purpose reducing cutter head (1); the dual-purpose reducing tool bit (1) is located at the other end of the screwdriver main rod (2), and is provided with a transverse reducing assembly and a longitudinal telescopic assembly, and the longitudinal telescopic assembly is located in the transverse reducing assembly.
2. The dual-purpose variable diameter screwdriver as claimed in claim 1, wherein a rectangular groove is longitudinally formed in the front end of the main rod (2) of the screwdriver, a slide way is axially arranged in the rectangular groove along the main rod, and T-shaped grooves are formed in the left end and the right end of the rectangular groove.
3. The dual-purpose variable diameter screwdriver of claim 1, wherein the transverse variable diameter assembly comprises: the device comprises a horizontal sliding seat (101), a horizontal sliding seat adjusting jackscrew (102), a horizontal sliding seat compression spring (103) and a horizontal sliding seat limiting buckle (104); the two horizontal sliding seats (101) are connected in a T-shaped groove at the front end of the screwdriver main rod (2) in a sliding manner; the horizontal sliding seat compression spring (103) is positioned between the horizontal sliding seat (101) and the T-shaped groove; the horizontal sliding seat limiting buckles (104) are fixedly arranged on two sides of the screwdriver main rod (2) provided with the T-shaped groove; the horizontal sliding seat adjusting jackscrew (102) penetrates through the horizontal sliding seat limiting buckle (104) to be connected with the horizontal sliding seat (101) and is used for adjusting the distance between the two horizontal sliding seats (101).
4. The dual-purpose variable diameter screwdriver of claim 1, wherein the longitudinal telescopic assembly comprises: the swing rod comprises a swing rod pin shaft (105), a swing rod right (106), a swing rod left (107), a vertical sliding seat (108) and a swing rod elastic sheet (109); one ends of a swing rod right (106), a swing rod left (107) and a vertical sliding seat (108) are hinged together through a swing rod pin shaft (105), the swing rod left (107) and the vertical sliding seat (108) are connected in a rectangular groove of the screwdriver main rod (2) in a sliding mode, and the swing rod right (106) and the swing rod left (107) are located on two sides of the vertical sliding seat (108); one end of a swing rod elastic sheet (109) is fixedly arranged on two sides of the vertical sliding seat (108), and the other end of the swing rod elastic sheet is contacted with the swing rod right (106) and the swing rod left (107).
5. The dual-purpose variable diameter screwdriver according to claim 4, wherein the longitudinal telescopic assembly is slidably mounted in a rectangular groove formed in the front end of the main rod (2) of the screwdriver through a vertical sliding seat (108), and slides along a slide way axially arranged in the groove; the vertical sliding seat compression spring (110) is positioned between the vertical sliding seat (108) and the rectangular groove formed in the main rod (2) of the screwdriver, and the elastic force of the vertical sliding seat compression spring (110) is larger than that of the swing rod elastic sheet (109).
6. The dual-purpose variable diameter screwdriver according to claim 1, wherein the handle (3) is detachably connected with the screwdriver main rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110161487.1A CN112659034A (en) | 2021-02-05 | 2021-02-05 | Dual-purpose reducing screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110161487.1A CN112659034A (en) | 2021-02-05 | 2021-02-05 | Dual-purpose reducing screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112659034A true CN112659034A (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110161487.1A Pending CN112659034A (en) | 2021-02-05 | 2021-02-05 | Dual-purpose reducing screwdriver |
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| Country | Link |
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| CN (1) | CN112659034A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM282789U (en) * | 2005-05-25 | 2005-12-11 | Tzung-Shin Chiou | Screwdriver capable of stabilizing screw and operational screw thereof |
| CN105751128A (en) * | 2014-12-20 | 2016-07-13 | 天津市明月商贸有限公司 | Screwdriver with adjustable tool bit width |
| CN108500883A (en) * | 2018-04-03 | 2018-09-07 | 林婷 | A kind of multi-function screwdriver |
| CN208451472U (en) * | 2018-05-25 | 2019-02-01 | 黄河科技学院 | Adjustable Phillips screwdriver cutter head structure |
| KR101981500B1 (en) * | 2018-12-03 | 2019-05-23 | 송하겸 | Driver with variable cross tip |
| CN110405675A (en) * | 2019-08-23 | 2019-11-05 | 重庆蓝岸通讯技术有限公司 | A kind of telescopic screwdriver of cutter head |
-
2021
- 2021-02-05 CN CN202110161487.1A patent/CN112659034A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM282789U (en) * | 2005-05-25 | 2005-12-11 | Tzung-Shin Chiou | Screwdriver capable of stabilizing screw and operational screw thereof |
| CN105751128A (en) * | 2014-12-20 | 2016-07-13 | 天津市明月商贸有限公司 | Screwdriver with adjustable tool bit width |
| CN108500883A (en) * | 2018-04-03 | 2018-09-07 | 林婷 | A kind of multi-function screwdriver |
| CN208451472U (en) * | 2018-05-25 | 2019-02-01 | 黄河科技学院 | Adjustable Phillips screwdriver cutter head structure |
| KR101981500B1 (en) * | 2018-12-03 | 2019-05-23 | 송하겸 | Driver with variable cross tip |
| CN110405675A (en) * | 2019-08-23 | 2019-11-05 | 重庆蓝岸通讯技术有限公司 | A kind of telescopic screwdriver of cutter head |
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Application publication date: 20210416 |
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| WD01 | Invention patent application deemed withdrawn after publication |