CN112847221A - Combined type inner hexagonal wrench - Google Patents
Combined type inner hexagonal wrench Download PDFInfo
- Publication number
- CN112847221A CN112847221A CN202011640738.6A CN202011640738A CN112847221A CN 112847221 A CN112847221 A CN 112847221A CN 202011640738 A CN202011640738 A CN 202011640738A CN 112847221 A CN112847221 A CN 112847221A
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- CN
- China
- Prior art keywords
- inner hexagonal
- hexagonal wrench
- head
- wrench
- wrench head
- 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
Links
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
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
- B25B13/102—Spanners; Wrenches with adjustable jaws composed of a plurality of sockets slidable in each other
-
- 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
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
- B25B13/54—Internal grip wrenches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to the technical field of wrenches, and discloses a combined type inner hexagonal wrench which comprises at least three groups of inner hexagonal wrench heads (1), wherein the groups of inner hexagonal wrench heads (1) are sequentially and coaxially sleeved according to size, the combined type inner hexagonal wrench further comprises a screwing seat (2) fixedly connected with the inner hexagonal wrench head (1) positioned at the outermost side and a sleeve (3) in threaded connection with the screwing seat (2), one end, close to the inner part of the sleeve (3), of the inner hexagonal wrench head (1) positioned in the middle is provided with a circular boss (4), each inner hexagonal wrench head (1) positioned in the middle is in butt joint with a movable rod (5), the circular boss (4) is also connected with a baffle ring (6), and the baffle ring (6) and the screwing seat (2) are connected with a spring (7); the combined type inner hexagonal wrench is suitable for inner hexagonal bolts of various specifications, the corresponding inner hexagonal wrench head cannot shake when in use, the stability is good, an electric handle or a manual handle can be matched, and the labor time and the labor intensity of operators are greatly saved.
Description
Technical Field
The invention relates to the technical field of wrenches, in particular to a combined type inner hexagonal wrench.
Background
At present, more and more hexagon socket head cap screws are applied to life and production of people, such as equipment of home decoration, machine tools, workbenches and the like. The existing spanner for fastening the hexagon socket head cap screw is a single hexagonal prism, and the hexagon socket head cap screw corresponding to different models needs to be replaced aiming at the hexagon socket head cap screws of different models, so that the operation is inconvenient, and the operation efficiency is influenced.
Therefore, in the prior art, a combined type socket head wrench is designed, for example, a combined socket head wrench (CN102350675B) invented by china is formed by sleeving a plurality of socket head wrenches of different models, and the combined socket head wrench can be operated for bolts of various specifications, so that the labor time and the labor intensity of operators are greatly saved. The elasticity of the spring ensures that each internal hexagonal wrench can recover the original position; however, when the handle is used, the hexagon socket wrench which is retracted and smaller than the size vacancy needs to be extruded corresponding to the hexagon bolts with different sizes, meanwhile, due to the fact that the elastic force of the spring exists all the time, when the handle is matched with the hexagon socket wrench, the hexagon socket wrench cannot be fixed and can shake, the handle is unstable in force application, and the using effect is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a combined type inner hexagonal wrench which is suitable for inner hexagonal bolts with various specifications, does not shake when a corresponding inner hexagonal wrench head is used, has good stability, can be matched with an electric handle or a manual handle, and greatly saves the labor time and the labor intensity of operators.
In order to achieve the above purpose, the invention provides the following technical scheme:
a combined type inner hexagonal wrench comprises at least three groups of inner hexagonal wrench heads, wherein a plurality of groups of inner hexagonal wrench heads are coaxially sleeved in sequence according to sizes, the inner hexagonal wrench heads are arranged from short to long according to the lengths of the inner hexagonal wrench heads from large to small, the combined type inner hexagonal wrench also comprises a screw seat fixedly connected with the inner hexagonal wrench head positioned at the outermost side and a sleeve in threaded connection with the screw seat, a circular boss is arranged at one end, close to the inside of the sleeve, of the inner hexagonal wrench head positioned in the middle, each inner hexagonal wrench head positioned in the middle is in butt joint with a movable rod, the movable rods abut against the circular boss to drive the inner hexagonal wrench head positioned in the middle to extend out relative to the inner hexagonal wrench head positioned at the outermost side, the corresponding inner hexagonal wrench head cannot shake when in use, the stability is good, the combined type inner hexagonal wrench can be matched with an electric handle or a manual handle, and the labor time and labor intensity of operators are;
the circular boss is also connected with a baffle ring, and the baffle ring is connected with the screwing seat and is provided with a spring so as to enable the socket head wrench head to reset and retract into the socket head wrench head at the outermost side.
Preferably, the device also comprises a driving mechanism for driving the movable rod to move, the driving mechanism is arranged in the sleeve, and the output end of the driving mechanism is connected with the movable rod; the driving mechanism realizes that the automatic inner hexagon wrench head extends out of the inner hexagon wrench head at the outermost side, and realizes that inner hexagon bolts of various specifications are correspondingly matched; after the use, the spring drives the inner hexagonal wrench head to reset and retract into the inner hexagonal wrench head at the outermost side.
Preferably, the movable rod comprises a sleeve-joint part sleeved on the inner hexagonal wrench head and an extension part fixedly connected with the sleeve-joint part, the sleeve-joint part is a cylinder, a hexagonal prism through hole with the same size as the corresponding inner hexagonal wrench head is arranged in the sleeve-joint part, the outer diameter of the hexagonal prism through hole is the same as the diameter of the circular boss, and the sleeve-joint part is sleeved on the inner hexagonal wrench head and abuts against the circular boss under the action of the driving mechanism.
Preferably, a gap is formed between the circular boss and the baffle ring, and the extension part of the outer hexagon socket wrench head penetrates through the gap to be fixedly connected with the output end of the driving mechanism.
Preferably, the sizes of the baffle rings corresponding to the sizes of the multiple groups of hexagon socket wrench heads in the middle are from small to large, and the sizes of the corresponding springs are coaxially sleeved from small to large in sequence.
Preferably, the sleeve is provided with a battery installation part and a plurality of groups of control buttons, the control buttons are electrically connected with the driving mechanism, each control button is correspondingly electrically connected with the driving mechanism for driving one group of the hexagonal socket wrench heads except the hexagonal socket wrench head located on the outermost side, and a battery is installed in the battery installation part and used for supplying power to the driving mechanism.
Preferably, the sleeve is far away from one end connector of the screw seat and is connected with the electric handle, or the end part of the connector is rotatably connected with the manual handle, so that the sleeve can be matched with the electric handle or the manual handle, and the practicability is high.
Compared with the prior art, the invention has the beneficial effects that:
the combined type inner hexagonal wrench is suitable for inner hexagonal bolts of various specifications, the corresponding inner hexagonal wrench head cannot shake when in use, the stability is good, the combined type inner hexagonal wrench can be matched with an electric handle or a manual handle, and the labor time and the labor intensity of operators are greatly saved.
Drawings
Fig. 1 is a schematic structural view of the combined allen wrench according to the present embodiment.
Fig. 2 is a sectional view of the combination allen wrench of this embodiment.
Fig. 3 is a schematic structural view of the combination allen wrench in the present embodiment in a non-handle state.
Fig. 4 is a schematic view I of a disassembled structure of the combined allen wrench in the present embodiment in a handle-free state.
Fig. 5 is a schematic view II of a disassembled structure of the combined allen wrench in the present embodiment in a handle-free state.
Fig. 6 is a schematic structural view of the combination type allen wrench of the present embodiment in which a plurality of sets of allen wrench heads are installed.
In the drawings: 1-inner hexagonal wrench head, 2-screwing seat, 3-sleeve, 31-battery mounting part, 32-control button, 33-connector, 4-circular boss, 5-movable rod, 51-socket joint part, 52-extension part, 6-baffle ring, 7-spring, 8-driving mechanism and 9-manual handle.
Detailed Description
Example 1: a preferred embodiment of the present invention provides a combined allen key, which comprises at least three groups of allen key heads 1, wherein the groups of allen key heads 1 are coaxially sleeved in sequence according to the size, and the length of the allen key heads 1 is from short to long according to the size, and the embodiment comprises five groups of allen key heads 1, and the installation sizes of the allen key heads 1a positioned at the outermost side, the allen key heads 1b positioned at the second outer side, the allen key head 1c positioned at the middle, the allen key head 1d positioned at the second inner side, and the allen key head 1f positioned at the innermost side are arranged in sequence from large to small.
The wrench is characterized by further comprising a screwing seat 2 fixedly connected with the hexagon socket head wrench head 1a located on the outermost side and a sleeve 3 in threaded connection with the screwing seat 2, wherein a circular boss 4 is arranged at one end, close to the interior of the sleeve 3, of the hexagon socket head wrench heads (1b, 1c and 1d) located in the middle, each hexagon socket head wrench head (1b, 1c and 1d) located in the middle is in butt joint with a movable rod 5, and the movable rods 5 abut against the circular bosses 4 to drive the hexagon socket head wrench heads (1b, 1c and 1d) located in the middle to extend out relative to the hexagon socket head wrench head 1a located on the outermost side; the circular boss 4 is further connected with a baffle ring 6, and the baffle ring 6 and the screwing seat 2 are connected with a spring 7 so as to enable the inner hexagonal wrench heads (1b, 1c, 1d and 1f) to reset and retract into the inner hexagonal wrench head 1a on the outermost side. The corresponding socket head wrenches (1a, 1b, 1c, 1d and 1f) do not shake during use and have high stability.
Meanwhile, one end of the sleeve 3, which is far away from the connector 33 of the screwing seat 2, is connected with an electric handle, the electric handle is a handle with a motor in the prior art, and the motor drives the whole inner hexagonal wrench head (1a, 1b, 1c, 1d and 1f) to rotate; or the end part of the connector 33 is rotatably connected with the manual handle 9, and can be matched with an electric handle or a manual handle, so that the practicability is high, and the labor time and labor intensity of operators are greatly saved.
Example 2: a preferred embodiment of the present invention provides a combined allen wrench, which is different from the above embodiments only in that: the driving mechanism 8 is used for driving the movable rod 5 to move, the driving mechanism 8 is arranged in the sleeve 3, and the output end of the driving mechanism is connected with the movable rod 5; be equipped with battery installation department 31 and multiunit control button 32 on the sleeve 3, control button 32 is connected with actuating mechanism 8 electricity, and each control button 32 corresponds the electricity and connects the actuating mechanism 8 that drives one of them group of allen key head 1 except that the allen key head 1a that is located the outside, installs the battery in the battery installation department 31 for supply power for actuating mechanism 8.
The driving mechanism 8 realizes that the automatic inner hexagonal wrench heads (1b, 1c, 1d and 1f) extend out of the inner hexagonal wrench head 1a at the outermost side, and realizes that inner hexagonal bolts of various specifications are correspondingly matched; after use, the spring 7 drives the socket head wrenches (1b, 1c, 1d and 1f) to return and retract into the socket head wrenches 1a at the outermost side.
Example 3: a preferred embodiment of the present invention provides a combined allen wrench, which is different from the above embodiments only in that: the movable rod 5 comprises a sleeve joint part 51 sleeved on the inner hexagonal wrench head (1b or 1c or 1d) and an extension part 52 fixedly connected with the sleeve joint part 51, the sleeve joint part 51 is a cylinder, a hexagonal prism through hole with the same size as the corresponding inner hexagonal wrench head (1b or 1c or 1d) is arranged in the sleeve joint part 51, the outer diameter of the hexagonal prism through hole is the same as the diameter of the circular boss 4, and the sleeve joint part 51 is sleeved on the inner hexagonal wrench head (1b or 1c or 1d) and is abutted against the circular boss 4 under the action of the driving mechanism 8.
A gap is arranged between the circular boss 4 and the baffle ring 6, and the extension part 52 of the outer hexagon socket wrench head 1 penetrates through the gap to be fixedly connected with the output end of the driving mechanism 8.
The sizes of the multiple groups of the hexagon socket head wrenches (1b or 1c or 1d) in the middle are sequentially coaxially sleeved from small to large, the sizes of the corresponding springs 7 are sequentially coaxially sleeved from small to large, and the corresponding springs 7 can enable the corresponding hexagon socket head wrenches (1b or 1c or 1d) to reset and retract into the hexagon socket head wrenches 1a on the outermost side.
Claims (8)
1. A combined type inner hexagonal wrench comprises at least three groups of inner hexagonal wrench heads (1), wherein the groups of inner hexagonal wrench heads (1) are sequentially and coaxially sleeved according to sizes, and the lengths of the inner hexagonal wrench heads (1) are from short to long according to the sizes, the combined type inner hexagonal wrench is characterized by further comprising a screwing seat (2) fixedly connected with the inner hexagonal wrench head (1) positioned on the outermost side and a sleeve (3) in threaded connection with the screwing seat (2), a circular boss (4) is arranged at one end, close to the inner part of the sleeve (3), of the inner hexagonal wrench head (1) positioned in the middle, each inner hexagonal wrench head (1) positioned in the middle is in butt joint with a movable rod (5), and the movable rods (5) abut against the circular bosses (4) to drive the inner hexagonal wrench head (1) positioned in the middle to extend out relative to the inner hexagonal wrench head (1) positioned on the outermost side; the circular boss (4) is further connected with a baffle ring (6), and the baffle ring (6) is connected with the screwing seat (2) and is provided with a spring (7) so as to enable the inner hexagonal wrench head (1) to reset and retract into the inner hexagonal wrench head (1) on the outermost side.
2. A combined allen wrench as claimed in claim 1, further comprising a driving mechanism (8) for driving the movable rod (5) to move, wherein the driving mechanism (8) is disposed in the sleeve (3), and the output end of the driving mechanism is connected to the movable rod (5).
3. The combined type inner hexagonal wrench as claimed in claim 2, wherein the movable rod (5) comprises a sleeve portion (51) sleeved on the inner hexagonal wrench head (1) and an extension portion (52) fixedly connected with the sleeve portion (51), the sleeve portion (51) is a cylinder, a hexagonal through hole with the same size as the corresponding inner hexagonal wrench head (1) is arranged in the sleeve portion, the outer diameter of the hexagonal through hole is the same as the diameter of the circular boss (4), and the sleeve portion (51) is sleeved on the inner hexagonal wrench head (1) and abuts against the circular boss (4) under the action of the driving mechanism (8).
4. A combined allen wrench as claimed in claim 3, wherein a gap is provided between the circular boss (4) and the stop ring (6), through which gap the extension (52) of the outer allen wrench head (1) passes to be fixedly connected to the output of the drive mechanism (8).
5. The combined type inner hexagonal wrench as claimed in claim 4, wherein the size of the retaining ring (6) corresponding to the size of the middle multiple groups of inner hexagonal wrench heads (1) is from small to large, and the corresponding springs (7) are coaxially sleeved from small to large.
6. A combined allen wrench as claimed in claim 2, wherein the socket (3) is provided with a battery mounting portion (31) and a plurality of sets of control buttons (32), the control buttons (32) are electrically connected to the driving mechanism (8), each control button (32) is electrically connected to the driving mechanism (8) of one of the sets of allen wrench heads (1) except the outermost allen wrench head (1), and a battery is mounted in the battery mounting portion (31) for supplying power to the driving mechanism (8).
7. A combined allen wrench as claimed in claim 1, in which the socket (3) is connected to the power handle at an end of the socket (3) remote from the socket (2).
8. A allen wrench as claimed in claim 7, in which the end of the coupling head (33) is pivotally connected to the handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640738.6A CN112847221A (en) | 2020-12-31 | 2020-12-31 | Combined type inner hexagonal wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640738.6A CN112847221A (en) | 2020-12-31 | 2020-12-31 | Combined type inner hexagonal wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112847221A true CN112847221A (en) | 2021-05-28 |
Family
ID=76000709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011640738.6A Pending CN112847221A (en) | 2020-12-31 | 2020-12-31 | Combined type inner hexagonal wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112847221A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464591A (en) * | 2022-09-14 | 2022-12-13 | 余姚市杰峰工具厂 | Universal inner hexagon wrench |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9721111D0 (en) * | 1997-10-03 | 1997-12-03 | Tyers David A | Universal wrench |
| US6467379B1 (en) * | 2001-08-21 | 2002-10-22 | Simon Wizman | Self-adjusting socket |
| TWM302437U (en) * | 2006-04-07 | 2006-12-11 | Guan-Jung Chen | Adjustable pulling and locking rod |
| CN201423589Y (en) * | 2009-06-26 | 2010-03-17 | 北京印刷学院 | Combined and integrated interior angle wrench |
| CN201783898U (en) * | 2010-08-10 | 2011-04-06 | 贺礼 | Inner hexagon spanner adopting nested combination |
| CN104552106A (en) * | 2013-10-28 | 2015-04-29 | 富泰华工业（深圳）有限公司 | Multifunctional wrench |
| CN204640042U (en) * | 2015-04-20 | 2015-09-16 | 雍政祺 | Universal inner hexagon spanner |
| CN205734608U (en) * | 2016-05-05 | 2016-11-30 | 北京亿华通科技股份有限公司 | A kind of spanner and combinations thereof formula driving end |
| CN205870379U (en) * | 2016-07-28 | 2017-01-11 | 华侨大学 | Novel compound allen key |
| US9636806B1 (en) * | 2014-05-12 | 2017-05-02 | David M. Lee | Multiple size nut driver |
| CN107344342A (en) * | 2016-05-05 | 2017-11-14 | 北京亿华通科技股份有限公司 | A kind of spanner and combinations thereof formula driving end |
-
2020
- 2020-12-31 CN CN202011640738.6A patent/CN112847221A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9721111D0 (en) * | 1997-10-03 | 1997-12-03 | Tyers David A | Universal wrench |
| US6467379B1 (en) * | 2001-08-21 | 2002-10-22 | Simon Wizman | Self-adjusting socket |
| TWM302437U (en) * | 2006-04-07 | 2006-12-11 | Guan-Jung Chen | Adjustable pulling and locking rod |
| CN201423589Y (en) * | 2009-06-26 | 2010-03-17 | 北京印刷学院 | Combined and integrated interior angle wrench |
| CN201783898U (en) * | 2010-08-10 | 2011-04-06 | 贺礼 | Inner hexagon spanner adopting nested combination |
| CN104552106A (en) * | 2013-10-28 | 2015-04-29 | 富泰华工业（深圳）有限公司 | Multifunctional wrench |
| US9636806B1 (en) * | 2014-05-12 | 2017-05-02 | David M. Lee | Multiple size nut driver |
| CN204640042U (en) * | 2015-04-20 | 2015-09-16 | 雍政祺 | Universal inner hexagon spanner |
| CN205734608U (en) * | 2016-05-05 | 2016-11-30 | 北京亿华通科技股份有限公司 | A kind of spanner and combinations thereof formula driving end |
| CN107344342A (en) * | 2016-05-05 | 2017-11-14 | 北京亿华通科技股份有限公司 | A kind of spanner and combinations thereof formula driving end |
| CN205870379U (en) * | 2016-07-28 | 2017-01-11 | 华侨大学 | Novel compound allen key |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464591A (en) * | 2022-09-14 | 2022-12-13 | 余姚市杰峰工具厂 | Universal inner hexagon wrench |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210528 |
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| RJ01 | Rejection of invention patent application after publication |