CN207522471U - A kind of high-torque screwdriver - Google Patents
A kind of high-torque screwdriver Download PDFInfo
- Publication number
- CN207522471U CN207522471U CN201721308666.9U CN201721308666U CN207522471U CN 207522471 U CN207522471 U CN 207522471U CN 201721308666 U CN201721308666 U CN 201721308666U CN 207522471 U CN207522471 U CN 207522471U
- Authority
- CN
- China
- Prior art keywords
- force application
- application rod
- link block
- drawstring
- handle
- 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.)
- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A kind of high-torque screwdriver, for solving the problems, such as that force application rod is easily lost.A kind of high-torque screwdriver, knife bar including handle and for turning screw, further include the first drawstring, the second drawstring, link, extension spring, the first fixed pulley, the second fixed pulley, the first force application rod and the second force application rod, the handle is equipped with inner cavity, the inner cavity upper end opening, at the aperture position of upper end that first fixed pulley and the second fixed pulley are rotatably connected on the inner cavity respectively, the lower end of the extension spring is connected to the lower end of the inner cavity, and the link is connected to the upper end of the extension spring.Advantageous effect is that the first force application rod and the second force application rod can be avoided to lose.
Description
Technical field
The utility model is related to construction tool technical field of powering, specifically a kind of high-torque screwdriver.
Background technology
In the prior art, in order to cope with the situation of screw element that some need high torque that could reverse dynamic, screwdriver
Handle be equipped with one for wearing the jack of force application rod, then again with unification across the jack force application rod come when increasing rotation
Torque.
This screwdriver of the prior art be easy to cause the problem of force application rod is lost, is easy to look in some environments
Force application rod is substituted less than suitable tool.
Utility model content
The purpose of this utility model is to provide a kind of high-torque screwdriver, asked for solve that force application rod is easily lost
Topic.
The technical solution adopted by the utility model to solve its technical problems is that：
A kind of high-torque screwdriver, the knife bar including handle and for turning screw further include the first drawstring, the second drawing
Rope, link, extension spring, the first fixed pulley, the second fixed pulley, the first force application rod and the second force application rod are set on the handle
There are inner cavity, the inner cavity upper end opening, first fixed pulley and the second fixed pulley are rotatably connected on the upper of the inner cavity respectively
At the aperture position at end, the lower end of the extension spring is connected to the lower end of the inner cavity, and the link is connected to the drawing
The upper end of spring is stretched, the upper end of the handle is equipped with the first body cradle, the handle at the leftward position positioned at the inner cavity
Upper end the second body cradle is being equipped at the position on the right side of the inner cavity, be hinged with the first company on first body cradle
Block is connect, the second link block is hinged on second body cradle；
The inner end of first link block is located at the side of the pivot center of the first link block, first link block it is outer
Positioned at the opposite side of the pivot center of the first link block, one end of first force application rod is connected to first link block at end
Inner end, the upper end of first drawstring are connected to the outer end of first link block, and the lower end of first drawstring is connected to institute
It states on link, first drawstring is wound at the position between top and bottom in the first pulley；
The inner end of second link block is located at the side of the pivot center of the second link block, second link block it is outer
Positioned at the opposite side of the pivot center of the second link block, one end of second force application rod is connected to second link block at end
Inner end, the upper end of second drawstring are connected to the outer end of second link block, and the lower end of second drawstring is connected to institute
It states on link, second drawstring is wound at the position between top and bottom in the second pulley；
Under the pulling force effect of extension spring, first force application rod and the second force application rod have outward trend.
Further, lantern ring is further included, first force application rod and second force application rod can be bundled in described by lantern ring
The outside of handle.
Further, the lantern ring uses elastomeric material.
Further, the handle is being respectively provided with groove at the position of the external left and right sides, when described the
When one force application rod and second force application rod are bundled in the outside of the handle, the side of first force application rod can paste
It closes in the groove positioned at left side, the side of second force application rod can be fitted in the groove on right side.
Further, first force application rod is cylinder, and second force application rod is cylinder, the inside of the groove
Face is in circular arc planar.
Further, it is respectively equipped with anti-slip rubber on first force application rod and second force application rod.
The beneficial effects of the utility model are：
A kind of high-torque screwdriver provided by the utility model, for the utility model by setting handle, inner cavity, first is fixed sliding
Wheel, the second fixed pulley, groove, the first drawstring, the second drawstring, link, extension spring, the first force application rod, the first body cradle,
One link block, the second force application rod, the second body cradle and the second link block, in the first force application rod and the second force application rod not by seizing force
When, it can be flared out, and can open under the pulling force effect that the first force application rod and the second force application rod are provided in extension spring
It opens, after the first force application rod and the second force application rod opening, staff can be increased by the first force application rod and the second force application rod
The torque of big rotation work, so as to which staff be facilitated to carry out the dismounting work of screw.The structure of the utility model makes first to apply
Power bar and the second force application rod and handle are connected as a single entity, so as to solve the problems, such as that force application rod is easy to be lost.Meanwhile first force application rod and
Second force application rod can be bundled in by the bundling apparatus of a such as lantern ring on handle, so as to reduce the utility model in carrying
When the space occupied, so as to facilitate the carrying work of the utility model.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
The enlarged drawing of part A in Fig. 2 Fig. 1；
Fig. 3 is the structure diagram of groove；
Fig. 4 is the schematic diagram after the first force application rod and the second force application rod opening；
In figure：1 handle, 11 inner cavities, 12 first fixed pulleys, 13 second fixed pulleys, 14 grooves, 2 knife bars, 3 first drawstrings, 4
Second drawstring, 5 links, 6 extension springs, 7 first force application rods, 71 first body cradles, 72 first link blocks, 8 second forces
Bar, 81 second body cradles, 82 second link blocks, 9 lantern rings.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's all other embodiments obtained under the premise of creative work is not made, all
Belong to the range of the utility model protection.
In the description of the present invention, it is to be appreciated that term " on ", " under ", "left", "right", etc. instructions side
Position or position relationship are based on orientation shown in FIG. 1 or position relationship, i.e., place the utility model according to direction shown in FIG. 1
When orientation or position relationship, be for only for ease of description the utility model and simplify description rather than instruction or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this
The limitation of utility model.
Shown as shown in figures 1 and 3, the utility model includes handle 1 and the knife bar 2 for turning screw, further includes the
One drawstring 3, the second drawstring 4, link 5, extension spring 6, the first fixed pulley 12, the second fixed pulley 13, the first force application rod 7 and
Two force application rods 8, handle 1 are equipped with inner cavity 11, and 11 upper end opening of inner cavity, the first fixed pulley 12 and the second fixed pulley 13 rotate respectively
It is connected at the aperture position of the upper end of inner cavity 11, the lower end of extension spring 6 is connected to the lower end of inner cavity 11, and link 5 connects
In the upper end of extension spring 6, the upper end of handle 1 is equipped with the first body cradle 71 at the leftward position positioned at inner cavity 11, handle 1
Upper end is being equipped with the second body cradle 81 at the position on the right side of inner cavity 11, and the first link block is hinged on the first body cradle 71
72, the second link block 82 is hinged on the second body cradle 81.
As shown in figures 1 and 3, the inner end of the first link block 72 is located at the side of the pivot center of the first link block 72, the
The outer end of one link block 72 is located at the opposite side of the pivot center of the first link block 72, and one end of the first force application rod 7 is connected to
The inner end of one link block 72, the upper end of the first drawstring 3 are connected to the outer end of the first link block 72, the lower end connection of the first drawstring 3
On link 5, the first drawstring 3 is wound at the position between top and bottom in first pulley.
As shown in figures 1 and 3, the inner end of the second link block 82 is located at the side of the pivot center of the second link block 82, the
The outer end of two link blocks 82 is located at the opposite side of the pivot center of the second link block 82, and one end of the second force application rod 8 is connected to
The inner end of two link blocks 82, the upper end of the second drawstring 4 are connected to the outer end of the second link block 82, the lower end connection of the second drawstring 4
On link 5, the second drawstring 4 is wound at the position between top and bottom in second pulley；
Shown as shown in Figure 1, Figure 3 and Figure 4, under the pulling force effect of extension spring, the first force application rod 7 and the second force application rod 8 have
There is outward trend.
As shown in Figure 1, the utility model further includes lantern ring 9, lantern ring 9 can bundle the first force application rod 7 and the second force application rod 8
In the outside of handle 1.Lantern ring 9 uses elastomeric material.1 handle 1 of handle is each at the position of the external left and right sides
Equipped with groove 14, when the first force application rod 7 and the second force application rod 8 are bundled in the outside of handle 1, the first force application rod 7
Side can be fitted in the groove in left side, and the side of the second force application rod 8 can be fitted in the groove on right side.
As shown in Figure 1 to Figure 3, the first force application rod 7 is cylinder, and the second force application rod 8 is cylinder, the medial surface of groove 14
In circular arc planar, anti-slip rubber is respectively equipped on the first force application rod 7 and the second force application rod 8.
As shown in Figures 1 to 4, the utility model is by setting handle 1, inner cavity 11, the first fixed pulley 12, the second fixed pulley
13rd, groove 14, the first drawstring 3, the second drawstring 4, link 5, extension spring 6, the first force application rod 7, the first body cradle 71, first
Link block 72, the second force application rod 8, the second body cradle 81 and the second link block 82, in the first force application rod 7 and the second force application rod 8 not
When by seizing force, it can be opened outward under the pulling force effect that the first force application rod 7 and the second force application rod 8 are provided in extension spring 6
It opens, and state as shown in Figure 4 can be flared to, after the first force application rod and the second force application rod opening, staff can lead to
The first force application rod and the second force application rod are crossed to increase the torque of rotation work, so as to which staff be facilitated to carry out the dismounting work of screw
Make.The structure of the utility model makes the first force application rod 7 and the second force application rod 8 and handle 1 be connected as a single entity, so as to solve force application rod
The problem of easy to be lost.Meanwhile first force application rod 7 and the second force application rod 8 can be bundled in by the bundling apparatus of a such as lantern ring 9
On handle 1, so as to reduce the utility model the space occupied when carrying, so as to facilitate the carrying work of the utility model
Make.
As shown in Figures 1 to 4, by setting lantern ring 9, staff can be facilitated to the first force application rod 7 and the second force
Bar 8 carries out binding work, and lantern ring can further improve the comfort level of binding work using elastomeric material.
As shown in Figure 1 to Figure 3, by setting groove 14, the first force application rod 7 being bundled on handle 1 and can be improved
The laminating degree of two force application rods 8 and handle 1, so as to which staff be facilitated to carry.In addition, need the smaller screw of torque in twisting
When component, without using the first force application rod 7 and the second force application rod 8, the first force application rod 7 and the second force application rod 8 are in hand at this time
Laminating degree on handle 1 is higher, staff hold handle when comfort level it is higher.By setting the first force application rod 7 and the
Two force application rods 8 are cylinder, level of comfort when can further improve staff using the utility model.By anti-
Sliding rubber can play anti-skidding effect.
Claims (6)
1. a kind of high-torque screwdriver, the knife bar including handle and for turning screw, it is characterized in that, further include the first drawstring,
Second drawstring, link, extension spring, the first fixed pulley, the second fixed pulley, the first force application rod and the second force application rod, the hand
Handle is equipped with inner cavity, the inner cavity upper end opening, and first fixed pulley and the second fixed pulley are rotatably connected on respectively in described
At the aperture position of the upper end of chamber, the lower end of the extension spring is connected to the lower end of the inner cavity, and the link is connected to
The upper end of the extension spring, the upper end of the handle are equipped with the first body cradle, institute at the leftward position positioned at the inner cavity
The upper end for stating handle is being equipped with the second body cradle at the position on the right side of the inner cavity, is hinged on first body cradle
First link block is hinged with the second link block on second body cradle；
The inner end of first link block is located at the side of the pivot center of the first link block, the outer end position of first link block
In the opposite side of the pivot center of the first link block, one end of first force application rod is connected to the interior of first link block
End, the upper end of first drawstring are connected to the outer end of first link block, and the lower end of first drawstring is connected to described
On link, first drawstring is wound at the position between top and bottom on first fixed pulley；
The inner end of second link block is located at the side of the pivot center of the second link block, the outer end position of second link block
In the opposite side of the pivot center of the second link block, one end of second force application rod is connected to the interior of second link block
End, the upper end of second drawstring are connected to the outer end of second link block, and the lower end of second drawstring is connected to described
On link, second drawstring is wound at the position between top and bottom on second fixed pulley；
Under the pulling force effect of extension spring, first force application rod and the second force application rod have outward trend.
2. a kind of high-torque screwdriver according to claim 1, it is characterized in that, lantern ring is further included, lantern ring can be by described
One force application rod and second force application rod are bundled in the outside of the handle.
3. a kind of high-torque screwdriver according to claim 2, it is characterized in that, the lantern ring uses elastomeric material.
4. a kind of high-torque screwdriver according to Claims 2 or 3, it is characterized in that, the handle is positioned at outside
The left and right sides position at be respectively provided with groove, when first force application rod and second force application rod are bundled in the handle
Outside when, the side of first force application rod can be fitted in the groove in left side, the one of second force application rod
Side can be fitted in the groove on right side.
5. a kind of high-torque screwdriver according to claim 4, it is characterized in that, first force application rod is cylinder, institute
State that the second force application rod is cylinder, the medial surface of the groove is in circular arc planar.
6. a kind of high-torque screwdriver according to claim 1, it is characterized in that, first force application rod and described second is applied
Anti-slip rubber is respectively equipped on power bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308666.9U CN207522471U (en) | 2017-10-11 | 2017-10-11 | A kind of high-torque screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308666.9U CN207522471U (en) | 2017-10-11 | 2017-10-11 | A kind of high-torque screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207522471U true CN207522471U (en) | 2018-06-22 |
Family
ID=62568749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308666.9U Expired - Fee Related CN207522471U (en) | 2017-10-11 | 2017-10-11 | A kind of high-torque screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207522471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627250A (en) * | 2017-10-11 | 2018-01-26 | 国网山东省电力公司郓城县供电公司 | A kind of high-torque screwdriver |
-
2017
- 2017-10-11 CN CN201721308666.9U patent/CN207522471U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627250A (en) * | 2017-10-11 | 2018-01-26 | 国网山东省电力公司郓城县供电公司 | A kind of high-torque screwdriver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20201011 |