CN106272189A - A kind of spanner being adapted to different nut diameter - Google Patents
A kind of spanner being adapted to different nut diameter Download PDFInfo
- Publication number
- CN106272189A CN106272189A CN201610918256.XA CN201610918256A CN106272189A CN 106272189 A CN106272189 A CN 106272189A CN 201610918256 A CN201610918256 A CN 201610918256A CN 106272189 A CN106272189 A CN 106272189A
- Authority
- CN
- China
- Prior art keywords
- wrench
- power cylinder
- nut
- telescopic disc
- diameters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
- B25B13/16—Spanners; Wrenches with adjustable jaws the jaws being slidable by screw or nut
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
本发明公开了一种适应于不同螺母直径的扳手，包括扳手主体和安装于扳手主体一端的第一夹持机构，第一夹持机构包括伸缩盘、传动齿轮和同轴心安装于伸缩盘外部的动力圆筒，动力圆筒的内径与伸缩盘的外径之间具有转动空间、并在转动空间内间隔设有多条传动杆，传动杆的一端铰接于伸缩盘上、其另一端与动力圆筒铰接；在动力圆筒的一端端部设置有与传动齿轮相啮合的齿形，传动齿轮上的转轴连接有一驱动装置；伸缩盘内周向安装有多个活动叶片，活动叶片的一端固接于伸缩盘的内径上、另一端作为夹持端。本结构的扳手能针对不同的螺母来快速调节活动扳口的张合度、以适用于不同直径螺母的夹持，无需手动操作，既省力又快捷，结构简单、实用性强。
This invention discloses a wrench adaptable to different nut diameters, comprising a wrench body and a first clamping mechanism mounted on one end of the wrench body. The first clamping mechanism includes a telescopic disc, a transmission gear, and a power cylinder coaxially mounted outside the telescopic disc. A rotational space exists between the inner diameter of the power cylinder and the outer diameter of the telescopic disc, and multiple transmission rods are spaced apart within this rotational space. One end of each transmission rod is hinged to the telescopic disc, and the other end is hinged to the power cylinder. A toothed profile meshing with the transmission gear is provided at one end of the power cylinder, and a drive device is connected to the shaft of the transmission gear. Multiple movable blades are circumferentially mounted on the inner side of the telescopic disc, with one end fixed to the inner diameter of the telescopic disc and the other end serving as the clamping end. This wrench can quickly adjust the opening and closing degree of the movable jaw to accommodate nuts of different diameters, eliminating the need for manual operation. It is labor-saving, quick, simple in structure, and highly practical.
Description
Technical Field
The invention relates to a machine repairing and installing tool, in particular to a wrench suitable for different nut diameters.
Background
A wrench is a common installation and removal tool. Wrenches of conventional construction are typically constructed of carbon or alloy structural steel and utilize the principles of leverage to turn bolts, screws, nuts and other hand tools that threadably secure open or trepanned fasteners of the bolts or nuts. When the wrench is used, external force is applied to the handle part along the rotation direction of the thread, and the bolt or the nut can be screwed by clamping one end of the nut or the bolt. The wrenches are divided into an adjustable wrench and a dead wrench. The adjustable wrench adapts to nuts with different diameters by manually adjusting the opening and closing degree of the adjustable wrench opening, has wide application range and is more popular with people.
However, the adjustment of the opening and closing degree of the adjustable wrench opening is generally performed manually, and as disclosed in the chinese utility model with the publication number CN 205415441U, the adjustable wrench with adjustable inclination angle comprises a handle and a wrench head, wherein the wrench head comprises a fixed wrench opening, an adjustable wrench opening, a receiving groove and a rotating screw, the fixed wrench opening is arranged at one end of the head, the bottom of the adjustable wrench opening is provided with a rack, the rotating screw is arranged in the receiving groove, the rotating screw is engaged with the rack and can slide the adjustable wrench opening, the upper part of the handle is provided with an embedded slot line which can rotate the wrench head, and is provided with a butterfly-shaped locking nut, the lower part of the handle is also provided with a rotatable embedded slot line, and a hollow slot hole is arranged in the middle of the rear end of the handle; the occlusal surfaces of the fixed jaw and the movable jaw are provided with anti-skidding teeth, and the occlusal surfaces of the fixed jaw and the movable jaw are not parallel and have a small inclination angle, so that a trapezoidal surface with a large outer opening and a small inner opening is formed after the fixed jaw and the movable jaw are opened. The adjustable wrench with the structure realizes the adjustment of the opening and closing degree of the adjustable wrench opening through the mechanical structures of the rotating screw rod, the accommodating groove, the tooth row and the tooth row groove. Although the structure is simple, the defects of labor and time consumption in the adjustment operation exist during the use, and the popularization is not facilitated.
Disclosure of Invention
In view of the above disadvantages, the technical problem to be solved by the present invention is to provide a wrench with a simple structure, which is suitable for different nut diameters, and can quickly adjust the opening and closing degree of the movable wrench opening for different nuts, and the operation is labor-saving.
In order to solve the problems, the invention is realized by the following technical scheme:
a spanner suitable for different nut diameters comprises a spanner main body for holding and a first clamping mechanism arranged at one end of the spanner main body, wherein the first clamping mechanism comprises a telescopic disc, a power cylinder coaxially arranged outside the telescopic disc and a transmission gear for driving the power cylinder to rotate; the end part of one end of the power cylinder is provided with a tooth form meshed with the transmission gear, and a rotating shaft on the transmission gear is connected with a driving device; a plurality of movable blades are arranged in the telescopic disc in the circumferential direction, one end of each movable blade is fixedly connected to the inner diameter of the telescopic disc, and the other end of each movable blade is used as a clamping end.
In the scheme, in order to enable the wrench with the structure to be suitable for dismounting more types of nuts, a second clamping mechanism is arranged on the end part of the other end of the wrench main body opposite to the first clamping mechanism, the second clamping mechanism comprises a fixed jaw, a movable jaw, a screw nut mechanism and a conical gear mechanism, the fixed jaw is fixedly arranged on the end part of the wrench main body, the conical gear mechanism is opposite to the fixed jaw and is arranged on the wrench main body, the screw nut mechanism is horizontally arranged between the conical gear mechanism and the fixed jaw through a bearing, the rotating end of the screw nut mechanism is connected with the conical gear mechanism, and the movable jaw is fixedly arranged on a displacement nut on the screw nut mechanism; the conical gear mechanism is connected with a driving motor.
In the above scheme, for making the spanner have simple measurement function simultaneously, there is the scale mark at the surperficial position sign of spanner main part.
In the scheme, the threads arranged on the screw rod are trapezoidal threads to enable the transmission efficiency of the screw rod to be higher and faster.
In the above scheme, the driving device may be a micro motor, and a circuit board for controlling the micro motor is arranged on the wrench body, and the circuit board is provided with a start button, an adjusting knob and a close button.
In the above scheme, the micro motor and the circuit board can be powered by the same battery, and the battery is embedded in the wrench main body.
The invention has the beneficial effects that:
1. when the clamping device is used, the driving gear is driven to work through the driving device, the driving gear drives the power cylinder to rotate, and the opening degree of the movable blade on the telescopic disc is adjusted through synchronous rotation of the driving rods, so that the clamping device is suitable for clamping nuts with different diameters, does not need manual operation, and is labor-saving and quick;
2. the second clamping mechanism provided by the invention mainly comprises a fixed jaw, a movable jaw, a screw nut mechanism and a conical gear mechanism for driving the screw nut mechanism to rotate, and when the space range for dismounting the nut is small, the second clamping mechanism with simple structure and small volume can realize the positioning and clamping work of the nut, thereby being convenient and rapid and having wide application range.
Drawings
Fig. 1 is a schematic structural diagram of the wrench suitable for different nut diameters.
Fig. 2 is a schematic view of an internal structure of the first clamping mechanism.
The reference numbers in the figures are: 1. the wrench comprises a wrench main body, a wrench main body 2, a transmission gear 3 and a first clamping mechanism; 3-1 parts of transmission rod, 3-2 parts of power cylinder, 3-3 parts of telescopic disc, 3-4 parts of movable blade, 4 parts of rotating space, 5 parts of starting button, 6 parts of adjusting knob, 7 parts of closing button, 8 parts of battery, 9 parts of lead screw nut mechanism, 10 parts of bearing, 11 parts of movable jaw, 12 parts of conical gear mechanism, 13 parts of fixed jaw.
Detailed Description
The invention is further illustrated, but not limited, by the following description of specific embodiments and the accompanying drawings.
In the present embodiment, the "more" is the number of 3 or more, and is referred to as "more".
As shown in fig. 1 and 2, a wrench adapted to different nut diameters includes a wrench body 1 for holding and a first clamping mechanism 3 mounted at one end of the wrench body 1. The first clamping mechanism 3 comprises a telescopic disc 3-3 used for clamping a nut to be disassembled and assembled, a power cylinder 3-2 coaxially installed outside the telescopic disc 3-3 and a transmission gear 2 used for driving the power cylinder 3-2 to rotate. Wherein,
a rotating space 4 is formed between the inner diameter of the power cylinder 3-2 and the outer diameter of the telescopic disc 3-3, a plurality of transmission rods 3-1 are arranged in the rotating space 4 at intervals, one end of each transmission rod 3-1 is hinged to the corresponding movable blade 3-4, and the other end of each transmission rod 3-1 is hinged to the power cylinder 3-2.
One end of the power cylinder 3-2 is provided with a tooth form meshed with the transmission gear 2, and a rotating shaft on the transmission gear 2 is connected with a driving device. The driving device is specifically a micro motor, a circuit board used for controlling the micro motor is arranged on the wrench body 1, and a starting button 5, an adjusting knob 6 and a closing button 7 are arranged on the circuit board. In this embodiment, in order to reduce the number of batteries and the space occupied by the batteries, the micro motor and the circuit board are powered by the same battery 8, and the battery 8 is embedded in the wrench body 1.
A plurality of movable blades 3-4 are arranged in the telescopic disc 3-3 in the circumferential direction, one end of each movable blade 3-4 is hinged to the inner diameter of the telescopic disc 3-3, and the other end of each movable blade 3-4 serves as a clamping end. In this embodiment, the number of the movable blades 3 to 4 is 6, the movable blades are in a fan-shaped structure, the clamping ends of the movable blades 3 to 4 are sequentially arranged in a surrounding manner to form a clamping space in a hexagonal structure, the clamping space in the hexagonal structure is used for clamping a standard nut or a non-standard nut, and the clamping space is changed along with the contraction of the movable blades 3 to 4 when the nut is used.
The end part of the other end of the wrench body 1 opposite to the first clamping mechanism 3 is provided with a second clamping mechanism, the second clamping mechanism comprises a fixed jaw 13, a movable jaw 11, a screw nut mechanism 9 and a conical gear mechanism 12, the fixed jaw 13 is fixedly arranged on the end part of the wrench body 1, the conical gear mechanism 12 is opposite to the fixed jaw 13 and is arranged on the wrench body 1, the screw nut mechanism 9 is horizontally arranged between the conical gear mechanism 12 and the fixed jaw 13 through a bearing 10, a screw on the screw nut mechanism 9 is connected with the conical gear mechanism 12, and the movable jaw 11 is fixedly arranged on a displacement nut on the screw nut mechanism 9. The bevel gear mechanism 12 is connected with a driving motor, and the driving motor is correspondingly connected with a power supply battery.
In this embodiment, the thread provided on the lead screw is specifically a trapezoidal thread. And scale marks are marked on the surface of the wrench body 1.
When the invention is used:
1. when the first clamping mechanism 3 is used for dismounting and mounting the nut, firstly, the starting button 5 is pressed down, the driving device works, the transmission gear 2 rotates, then the adjusting knob 6 is operated according to needs to control the output torque of the driving device, the power cylinder 3-2 rotates under the driving of the transmission gear 2, so that the transmission rods 3-1 synchronously rotate to drive the movable blades 3-4 to rotate, the size of a clamping space of a hexagonal structure surrounded by the movable blades 3-4 is further adjusted, when the clamping space just clamps the nut to be dismounted and mounted, the closing button 7 is pressed down, and finally, the nut is dismounted or screwed up through manually operating the wrench main body.
2. When the second clamping mechanism is used for dismounting and mounting the nut, firstly, the driving motor is started, the conical gear mechanism 12 works to output power to the screw-nut mechanism 9, at the moment, the screw rotates, the displacement nut on the screw linearly moves along with the rotation of the screw, the movable jaw 11 mounted on the displacement nut horizontally moves along with the screw, when the space between the movable jaw 11 and the fixed jaw 13 can just clamp the nut to be dismounted, the driving motor is closed, the movable jaw 11 is positioned, and finally, the nut can be dismounted or screwed up through manually operating the wrench main body.
Claims (6)
1. The utility model provides a spanner that is adapted to different nut diameters, includes the spanner main part (1) that is used for gripping and installs in first fixture (3) of spanner main part (1) one end which characterized in that: the first clamping mechanism (3) comprises a telescopic disc (3-3), a power cylinder (3-2) coaxially mounted outside the telescopic disc (3-3) and a transmission gear (2) used for driving the power cylinder (3-2) to rotate, a rotating space (4) is formed between the inner diameter of the power cylinder (3-2) and the outer diameter of the telescopic disc (3-3), a plurality of transmission rods (3-1) are arranged in the rotating space (4) at intervals, one end of each transmission rod (3-1) is hinged to a movable blade (3-4), and the other end of each transmission rod (3-1) is hinged to the power cylinder (3-2); one end of the power cylinder (3-2) is provided with a tooth form meshed with the transmission gear (2), and a rotating shaft on the transmission gear (2) is connected with a driving device; a plurality of movable blades (3-4) are arranged in the inner circumference of the telescopic disc (3-3), one end of each movable blade (3-4) is hinged to the inner diameter of the telescopic disc (3-3), and the other end of each movable blade is used as a clamping end.
2. A wrench as claimed in claim 1 adapted for different nut diameters, wherein: a second clamping mechanism is arranged at the end part of the other end of the wrench main body (1) opposite to the first clamping mechanism (3), the second clamping mechanism comprises a fixed jaw (13), a movable jaw (11), a screw nut mechanism (9) and a conical gear mechanism (12), the fixed jaw (13) is fixedly arranged on the end part of the wrench main body (1), the conical gear mechanism (12) is opposite to the fixed jaw (13) and is arranged on the wrench main body (1), the screw nut mechanism (9) is horizontally arranged between the conical gear mechanism (12) and the fixed jaw (13) through a bearing (10), a screw rod on the screw nut mechanism (9) is connected with the conical gear mechanism (12), and the movable jaw (11) is fixedly arranged on a displacement nut on the screw nut mechanism (9); the conical gear mechanism (12) is connected with a driving motor.
3. A wrench as claimed in claim 2 adapted for different nut diameters, wherein: the surface position of the wrench body (1) is marked with scale marks.
4. A wrench as claimed in claim 2 adapted for different nut diameters, wherein: the threads arranged on the lead screw are trapezoidal threads.
5. A wrench as claimed in claim 1 adapted for different nut diameters, wherein: the driving device is a micro motor, a circuit board used for controlling the micro motor is arranged on the wrench body (1), and a starting button (5), an adjusting knob (6) and a closing button (7) are arranged on the circuit board.
6. A wrench as claimed in claim 5 adapted for different nut diameters, wherein: the micro motor and the circuit board are both powered by the same battery (8), and the battery (8) is embedded in the wrench main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918256.XA CN106272189A (en) | 2016-10-20 | 2016-10-20 | A kind of spanner being adapted to different nut diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918256.XA CN106272189A (en) | 2016-10-20 | 2016-10-20 | A kind of spanner being adapted to different nut diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106272189A true CN106272189A (en) | 2017-01-04 |
Family
ID=57719033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610918256.XA Pending CN106272189A (en) | 2016-10-20 | 2016-10-20 | A kind of spanner being adapted to different nut diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106272189A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909936A (en) * | 2019-04-11 | 2019-06-21 | 龙岩市海德馨汽车有限公司 | A special electric sleeve and control system for a high-voltage live working robot |
| CN110394754A (en) * | 2019-07-24 | 2019-11-01 | 魏长同 | A kind of shfting wrench |
| CN112156948A (en) * | 2020-10-15 | 2021-01-01 | 青岛恒星科技学院 | Vertical paint collecting device with compact structure |
| CN113231990A (en) * | 2021-05-08 | 2021-08-10 | 海天塑机集团有限公司 | Locking structure for long pipe joint |
| CN113995547A (en) * | 2021-11-04 | 2022-02-01 | 上海理工大学 | Novel artificial anal sphincter of dual even radial centre gripping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5842390A (en) * | 1996-02-28 | 1998-12-01 | Frank's Casing Crew And Rental Tools Inc. | Dual string backup tong |
| US5931231A (en) * | 1996-06-27 | 1999-08-03 | Bucyrus International, Inc. | Blast hole drill pipe gripping mechanism |
| CN2411080Y (en) * | 2000-01-19 | 2000-12-20 | 伟立兴业股份有限公司 | Anti-slip non-return device for roller wrench |
| CN2411872Y (en) * | 2000-02-18 | 2000-12-27 | 上海蔡国鑫五金制品有限公司 | Ratchet screwdriver with lighting |
| CN105108689A (en) * | 2015-08-28 | 2015-12-02 | 广西大学 | Caliber-adjustable wrench |
| CN206123511U (en) * | 2016-10-20 | 2017-04-26 | 钦州学院 | Be adapted to spanner of different nut diameters |
-
2016
- 2016-10-20 CN CN201610918256.XA patent/CN106272189A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5842390A (en) * | 1996-02-28 | 1998-12-01 | Frank's Casing Crew And Rental Tools Inc. | Dual string backup tong |
| US5931231A (en) * | 1996-06-27 | 1999-08-03 | Bucyrus International, Inc. | Blast hole drill pipe gripping mechanism |
| CN2411080Y (en) * | 2000-01-19 | 2000-12-20 | 伟立兴业股份有限公司 | Anti-slip non-return device for roller wrench |
| CN2411872Y (en) * | 2000-02-18 | 2000-12-27 | 上海蔡国鑫五金制品有限公司 | Ratchet screwdriver with lighting |
| CN105108689A (en) * | 2015-08-28 | 2015-12-02 | 广西大学 | Caliber-adjustable wrench |
| CN206123511U (en) * | 2016-10-20 | 2017-04-26 | 钦州学院 | Be adapted to spanner of different nut diameters |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909936A (en) * | 2019-04-11 | 2019-06-21 | 龙岩市海德馨汽车有限公司 | A special electric sleeve and control system for a high-voltage live working robot |
| CN110394754A (en) * | 2019-07-24 | 2019-11-01 | 魏长同 | A kind of shfting wrench |
| CN110394754B (en) * | 2019-07-24 | 2021-04-13 | 邵东县广众五金科技开发有限公司 | Adjustable wrench |
| CN112156948A (en) * | 2020-10-15 | 2021-01-01 | 青岛恒星科技学院 | Vertical paint collecting device with compact structure |
| CN113231990A (en) * | 2021-05-08 | 2021-08-10 | 海天塑机集团有限公司 | Locking structure for long pipe joint |
| CN113231990B (en) * | 2021-05-08 | 2025-03-28 | 海天塑机集团有限公司 | A locking structure for a long pipe joint |
| CN113995547A (en) * | 2021-11-04 | 2022-02-01 | 上海理工大学 | Novel artificial anal sphincter of dual even radial centre gripping device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170104 |