CN115026755A - Diversified safe fixing device of spanner strikes - Google Patents
Diversified safe fixing device of spanner strikes Download PDFInfo
- Publication number
- CN115026755A CN115026755A CN202210661134.2A CN202210661134A CN115026755A CN 115026755 A CN115026755 A CN 115026755A CN 202210661134 A CN202210661134 A CN 202210661134A CN 115026755 A CN115026755 A CN 115026755A
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- China
- Prior art keywords
- column
- ratchet wheel
- fixing device
- bottom block
- reversing
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
-
- 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
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
-
- 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
- B25B19/00—Impact wrenches or screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a multidirectional safety fixing device for a knocking wrench, which comprises a ratchet wheel device, a fixing device and a connecting device, wherein the ratchet wheel device comprises an upper ratchet wheel, a lower ratchet wheel, an inner ring and an outer ring, the fixing device is arranged outside the ratchet wheel device and comprises a jaw, a middle rod and a bottom block, and the connecting device is arranged on one side of the fixing device and comprises a handle, a connecting nut and a connecting steel wire. According to the invention, through the matching among the ratchet wheel device, the fixing device and the connecting device, the position of the knocking wrench can be fixed at a remote place when the knocking wrench is used, and meanwhile, the direction and the angle are not limited, so that the safety of the knocking wrench in use is greatly improved.
Description
Technical Field
The invention relates to the technical field of knocking wrenches, in particular to a multidirectional safety fixing device for a knocking wrench.
Background
Because there is not fixing device in the current original design of spanner that strikes, need other people manual fixed when carrying out the operation at every turn, increase bodily injury's risk, can't fix to some narrow operation space operating personnel, cause the spanner to drop easily, seriously influence work efficiency.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with prior art impact wrenches.
Therefore, the problem to be solved by the invention is that the knocking wrench is inconvenient to fix.
In order to solve the technical problems, the invention provides the following technical scheme: a multi-azimuth safety fixing device for a knocking wrench comprises a ratchet wheel device, a fixing device and a connecting device.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the ratchet device comprises an upper ratchet wheel, a lower ratchet wheel, an inner ring and an outer ring, wherein the upper ratchet wheel is arranged at the top of the lower ratchet wheel, the upper ratchet wheel and the lower ratchet wheel are arranged in the inner ring, and the inner ring is arranged in the outer ring;
the fixing device is arranged outside the ratchet wheel device and comprises a jaw, a middle rod and a bottom block, two ends of the middle rod are connected with the jaw and the bottom block, and the ratchet wheel device is arranged in the middle of the bottom block; and the number of the first and second groups,
the connecting device is arranged on one side of the fixing device and comprises a handle, a connecting nut and a connecting steel wire, and the handle is fixedly connected with the connecting nut.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the ratchet device further comprises a connecting bent column, the connecting bent column is in through connection with the upper ratchet wheel and the center of the lower ratchet wheel, and the connecting steel wire is in through connection with the top end of the connecting bent column.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the inner ring is provided with a through hole on one side, the outer ring is provided with a reversing groove on the inner side, the bottom block is provided with a placing groove in the center, and the outer ring is arranged in the placing groove.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the ratchet device further comprises a reversing piece, the reversing piece is arranged on one side of the inner ring and comprises a pawl, a spring, a fixing column and a reversing handle, the fixing column is fixedly connected with one side of the placing groove of the bottom block, the fixing column is arranged inside the through hole, and the fixing column penetrates through the spring.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the spring one end is fixed standing groove one side, the spring other end is fixed in the pawl bottom, the switching-over handle set up in the pawl top.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the reversing handle comprises a moving column and a steering column, the fixed column is in through connection with the moving column, and the steering column is arranged at the top of the moving column.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the movable column is provided with a rotating groove, and the rotating groove is formed in the bottom of the steering column.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the jaw is arranged at one end of the middle rod, the jaw is annular, an inner dodecagonal hole is formed in the jaw, the bottom block is arranged at the other end of the middle rod, and a hanging hole is further formed in one end of the bottom block.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the handle bottom and the connecting nut are fixedly connected, and the connecting steel wire penetrates through the connecting nut and the connecting bent column.
As an optimized scheme of the multidirectional safety fixing device for the knocking wrench, the multidirectional safety fixing device comprises the following steps: the connecting device further comprises two limiting nuts which are fixedly connected to the two ends of the connecting steel wire.
The invention has the beneficial effects that: according to the invention, through the matching among the ratchet wheel device, the fixing device and the connecting device, the position of the knocking wrench can be fixed at a remote place when the knocking wrench is used, and meanwhile, the direction and the angle are not limited, so that the safety of the knocking wrench in use is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a structural diagram of a multidirectional safety fixing device of a knocking wrench.
Fig. 2 is a structure diagram of a fixing device of a multi-directional safety fixing device of a knocking wrench.
Fig. 3 is a structure diagram of a connecting device of the multi-directional safety fixing device of the knocking wrench.
Fig. 4 is a structural view of a ratchet device of the multi-directional safety fixing device of the knocking wrench.
FIG. 5 is another structural view of the ratchet device of the multi-directional safety fixing device of the impact wrench.
Fig. 6 is a structural view of a bottom block of the multi-directional safety fixing device of the knocking wrench.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
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 other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present invention provides a multi-directional safety fixing device for a impact wrench, which comprises a ratchet device 100, a fixing device 200 and a connecting device 300.
Specifically, the ratchet device 100 comprises an upper ratchet 101, a lower ratchet 102, an inner ring 103 and an outer ring 104, wherein the upper ratchet 101 is arranged at the top of the lower ratchet 102, the upper ratchet 101 and the lower ratchet 102 are arranged inside the inner ring 103, and the inner ring 103 is arranged inside the outer ring 104;
the upper ratchet 101 is attached to the lower ratchet 102, the two ratchets are opposite in direction, the inner ring 103 limits the displacement of the ratchets, and the outer ring limits the rotation direction of the ratchets.
Specifically, the fixing device 200 is arranged outside the ratchet device 100 and comprises a jaw 201, a middle rod 202 and a bottom block 203, two ends of the middle rod 202 are connected with the jaw 201 and the bottom block 203, and the ratchet device 100 is arranged in the middle of the bottom block 203;
the jaws 201 are used to grip the nut to be loosened and the bottom block 203 is used to knock on while providing a placement location for the ratchet device 100.
Specifically, the connecting device 300 is disposed on one side of the fixing device 200, and includes a handle 301, a connecting nut 302 and a connecting steel wire 303, wherein the handle 301 and the connecting nut 302 are fixedly connected.
The connecting steel wire 303 connects the ratchet device 100 and the connecting nut 302, and is used for tightening and fixing the impact wrench.
When the ratchet wheel is used, the upper ratchet wheel 101 is attached to the lower ratchet wheel 102, the directions of the two ratchet wheels are opposite, the inner ring 103 limits the displacement of the ratchet wheels, and the outer ring limits the rotation direction of the ratchet wheels. The jaws 201 are used to grip the nut to be loosened and the bottom block 203 is used to knock on and provide a place for the ratchet device 100. The connecting steel wire 303 connects the ratchet device 100 and the connecting nut 302, and is used for tightening and fixing the impact wrench.
Example 2
Referring to fig. 1 to 6, a second embodiment of the present invention is based on the above embodiment.
Specifically, the ratchet device 100 further comprises a connecting bent column 105, the connecting bent column 105 penetrates through the centers of the upper ratchet 101 and the lower ratchet 102, and the connecting steel wire 303 penetrates through the top end of the connecting bent column 105.
One end of the connecting bent column 105 is connected with a connecting steel wire 303, when the jaw 201 is used for fixing a nut to be loosened, the position of the connecting bent column 105 is adjusted, and then the handle 301 is pulled tightly, so that the knocking wrench can be fixed.
Specifically, one side of the inner ring 103 is provided with a through hole H1, the inner side of the outer ring 104 is provided with a reversing slot H2, the center of the bottom block 203 is provided with a placing slot H3, the outer ring 104 is arranged in the placing slot H3,
the through hole H1 of the inner ring 103 and the reversing groove H2 of the outer ring 104 are at the same position, the inner ring 103 and the outer ring 104 are both arranged in the placing groove H3, and the reversing groove H2 is Z-shaped.
Specifically, the ratchet device 100 further comprises a reversing piece 106 arranged on one side of the inner ring 103, the reversing piece comprises a pawl 106a, a spring 106b, a fixing column 106c and a reversing handle 106d, the fixing column 106c is fixedly connected with one side of the placing groove H3 of the bottom block 203, the fixing column 106c is arranged inside the through hole H1, and the fixing column 106c penetrates through the spring 106 b.
The reversing piece 106 is used for controlling the rotating directions of the two ratchet wheels, and one side of the middle part of the fixed column 106c is provided with a convex block.
Specifically, one end of the spring 106b is fixed to the side of the placement groove H3, the other end of the spring 106b is fixed to the bottom of the pawl 106a, and the reversing handle 106d is disposed on the top of the pawl 106 a.
With the spring 106b in the default position, one end of the pawl 106a is in the middle of the reversing slot H2 and the other end of the pawl 106a is in contact with the interface of the two ratchet gears, so that the pawl 106a does not lock the ratchet gears and the two ratchet gears can rotate in either direction.
Specifically, the reversing handle 106d includes a moving column 106d-1 and a steering column 106d-2, the fixed column 106c is connected to the moving column 106d-1, and the steering column 106d-2 is disposed on the top of the moving column 106 d-1.
The moving column 106d-1 is a hollow tube and extends through the middle of the steering column 106 d-2.
Specifically, the moving column 106d-1 is provided with a rotary slot H4, and a rotary slot H4 is provided at the bottom of the steering column 106 d-2.
The rotary groove H4 is divided into three sections, a notch with the bottom facing left, a notch with the top facing right and a notch with the front connected with the top of the bottom. In the rotating groove H4 is a projection at one side of the middle of the fixing post 106 c.
In use, the spring 106b is not subjected to extra force by default, one end of the pawl 106a is in the middle of the reversing slot H2, the other end of the pawl 106a is in contact with the interface of the two ratchet wheels, the pawl 106a does not lock the ratchet wheels at this time, the two ratchet wheels can rotate in any direction, when the rotation direction needs to be locked, two options are provided, one is to press the reversing handle 106d to the bottom, the pawl 106a is forced to move downwards, one end of the pawl 106a rotates in the reversing slot H2, one end of the pawl 106a moves to the bottom of the reversing slot H2, the reversing handle 106d90 degrees rotates clockwise, the lug on one side of the middle of the fixed column 106c is fixed in the notch facing to the right at the top of the rotating slot H4, the hand is released, one end of the pawl 106a is at the bottom of the reversing slot H2, the other end of the pawl 106a contacts with the lower ratchet wheel 102, and the connecting bent column 105 can only rotate counterclockwise.
Similarly, the reversing handle 106d can be pulled up to the top and then the reversing handle 106d90 can be rotated counterclockwise, so that the connecting bent rod 105 can only rotate clockwise.
Example 3
Referring to fig. 1 to 6, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the jaw 201 is arranged at one end of the middle rod 202, the jaw 201 is annular, an inner dodecagonal hole H5 is formed in the jaw 201, the bottom block 203 is arranged at the other end of the middle rod 202, and a hanging hole H6 is further formed in one end of the bottom block 203.
The jaws 201 are used to secure the nut to be loosened.
Specifically, the bottom of the handle 301 is fixedly connected with the connecting nut 302, and the connecting steel wire 303 penetrates through the connecting nut 302 and the connecting bent column 105.
The connecting steel wire 303 connects the connecting bent post 105 and the connecting nut 302, so that a worker does not need to directly contact with a knocking wrench, and the possibility of accidents is reduced.
Specifically, the connecting device 300 further includes two limiting nuts 304, and the two limiting nuts 304 are fixedly connected to two ends of the connecting steel wire 303.
And the limiting nuts 304 are arranged at two ends of the connecting steel wire 303, so that the connecting strength between the two ends is enhanced, and the broken line in the using process is avoided.
In use, under the default condition, the spring 106b is not subjected to extra force, one end of the pawl 106a is positioned in the middle of the reversing slot H2, the other end of the pawl 106a is in contact with the interface of the two ratchet wheels, at this time, the pawl 106a cannot lock the ratchet wheels, the two ratchet wheels can rotate in any direction, when the rotation direction needs to be locked, two options are provided, one is to press the reversing handle 106d to the bottom, at this time, the pawl 106a is forced to move downwards, one end of the pawl 106a rotates in the reversing slot H2, so that one end of the pawl 106a moves to the bottom of the reversing slot H2, at this time, the reversing handle 106d90 is rotated clockwise, the projection on one side of the middle part of the fixed column 106c is fixed in the rightward notch on the top of the rotating slot H4, and the hand is released, at this time, one end of the pawl 106a is positioned at the bottom of the reversing slot H2, the other end of the pawl 106a contacts with the lower ratchet wheel 102, and at this time, the connecting bent column 105 rotates counterclockwise. Similarly, the reversing handle 106d can be pulled up to the top and then the reversing handle 106d90 can be rotated counterclockwise, so that the connecting bent column 105 can only rotate clockwise. The jaws 201 are used to secure the nut to be loosened. The connecting steel wire 303 connects the connecting bent post 105 and the connecting nut 302, so that a worker does not need to directly contact with a knocking wrench, and the possibility of accidents is reduced. The limiting nuts 304 are arranged at two ends of the connecting steel wire 303, so that the connecting strength between the limiting nuts is enhanced, and the breakage in the using process is avoided.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a strike diversified safe fixing device of spanner which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the ratchet device (100) comprises an upper ratchet wheel (101), a lower ratchet wheel (102), an inner ring (103) and an outer ring (104), wherein the upper ratchet wheel (101) is arranged at the top of the lower ratchet wheel (102), the upper ratchet wheel (101) and the lower ratchet wheel (102) are arranged inside the inner ring (103), and the inner ring (103) is arranged inside the outer ring (104);
the fixing device (200) is arranged outside the ratchet device (100) and comprises a jaw (201), a middle rod (202) and a bottom block (203), two ends of the middle rod (202) are connected with the jaw (201) and the bottom block (203), and the ratchet device (100) is arranged in the middle of the bottom block (203); and (c) a second step of,
the connecting device (300) is arranged on one side of the fixing device (200) and comprises a handle (301), a connecting nut (302) and a connecting steel wire (303), and the handle (301) is fixedly connected with the connecting nut (302).
2. The multi-orientation security fastening device for impact wrenches as claimed in claim 1, further comprising: the ratchet device (100) further comprises a connecting bent column (105), the connecting bent column (105) is connected with the centers of the upper ratchet wheel (101) and the lower ratchet wheel (102) in a penetrating mode, and the connecting steel wire (303) is connected with the top end of the connecting bent column (105) in a penetrating mode.
3. The impact wrench multi-orientation security securement device of claim 2, further comprising: a through hole (H1) is formed in one side of the inner ring (103), a reversing groove (H2) is formed in the inner side of the outer ring (104), a placing groove (H3) is formed in the center of the bottom block (203), and the outer ring (104) is arranged in the placing groove (H3).
4. The multi-orientation security fastening device for impact wrenches as claimed in claim 3, wherein: the ratchet device (100) further comprises a reversing piece (106) arranged on one side of the inner ring (103), the reversing piece comprises a pawl (106a), a spring (106b), a fixed column (106c) and a reversing handle (106d), the fixed column (106c) is fixedly connected with one side of the placing groove (H3) of the bottom block (203), the fixed column (106c) is arranged inside the through hole (H1), and the fixed column (106c) penetrates through the spring (106 b).
5. The impact wrench multi-orientation security setting apparatus of claim 4, further comprising: one end of the spring (106b) is fixed on one side of the placing groove (H3), the other end of the spring (106b) is fixed on the bottom of the pawl (106a), and the reversing handle (106d) is arranged on the top of the pawl (106 a).
6. The impact wrench multi-orientation security setting apparatus of claim 5, further comprising: the reversing handle (106d) comprises a moving column (106d-1) and a steering column (106d-2), the fixed column (106c) is connected with the moving column (106d-1) in a penetrating mode, and the steering column (106d-2) is arranged at the top of the moving column (106 d-1).
7. The impact wrench multi-orientation security setting apparatus of claim 6, further comprising: the moving column (106d-1) is provided with a rotating groove (H4), and the rotating groove (H4) is arranged at the bottom of the steering column (106 d-2).
8. The striking wrench multi-orientation security fixing device as claimed in claim 6 or 7, wherein: the jaw (201) is arranged at one end of the middle rod (202), the jaw (201) is circular, an inner dodecagonal hole (H5) is formed in the jaw (201), the bottom block (203) is arranged at the other end of the middle rod (202), and a hanging hole (H6) is further formed in one end of the bottom block (203).
9. The impact wrench multi-orientation security setting apparatus of claim 8, further comprising: the bottom of the handle (301) is fixedly connected with the connecting nut (302), and the connecting steel wire (303) penetrates through the connecting nut (302) and the connecting bent column (105).
10. The striking wrench multi-orientation security setting apparatus as claimed in either one of claims 7 or 9, wherein: the connecting device (300) further comprises two limiting nuts (304), and the two limiting nuts (304) are fixedly connected to the two ends of the connecting steel wire (303).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210661134.2A CN115026755B (en) | 2022-06-13 | 2022-06-13 | Multidirectional safety fixing device for knocking wrench |
| DE202023102043.7U DE202023102043U1 (en) | 2022-06-13 | 2023-04-20 | Multidirectional safety attachment device for impact wrenches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210661134.2A CN115026755B (en) | 2022-06-13 | 2022-06-13 | Multidirectional safety fixing device for knocking wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115026755A true CN115026755A (en) | 2022-09-09 |
| CN115026755B CN115026755B (en) | 2023-11-07 |
Family
ID=83124780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210661134.2A Active CN115026755B (en) | 2022-06-13 | 2022-06-13 | Multidirectional safety fixing device for knocking wrench |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115026755B (en) |
| DE (1) | DE202023102043U1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474091A (en) * | 1982-06-10 | 1984-10-02 | Norman Russ | Tap wrench |
| CN102407502A (en) * | 2011-12-02 | 2012-04-11 | 莱芜钢铁股份有限公司 | Knocking spanner |
| CN203485095U (en) * | 2013-09-27 | 2014-03-19 | 单体琴 | Balance-adjusting wrench anti-disengaging device of pumping unit |
| CN104786186A (en) * | 2015-05-09 | 2015-07-22 | 李彪 | Knocking spanner protection shield |
| CN210361104U (en) * | 2019-07-03 | 2020-04-21 | 惠州大亚湾远大石化机械有限公司 | Knocking wrench holder |
| CN211414943U (en) * | 2019-10-30 | 2020-09-04 | 中国石油天然气股份有限公司 | Knocking spanner |
| CN211517327U (en) * | 2019-12-26 | 2020-09-18 | 上海瑞迈企业管理咨询有限公司 | Holder for fixing knocking wrench |
| CN212665910U (en) * | 2020-04-14 | 2021-03-09 | 中国石油天然气股份有限公司 | Nut dismounting tool |
| CN112518641A (en) * | 2020-12-14 | 2021-03-19 | 中船动力有限公司 | Double-ratchet wrench |
| CN215920293U (en) * | 2021-05-18 | 2022-03-01 | 利华益利津炼化有限公司 | Novel knocking wrench |
-
2022
- 2022-06-13 CN CN202210661134.2A patent/CN115026755B/en active Active
-
2023
- 2023-04-20 DE DE202023102043.7U patent/DE202023102043U1/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474091A (en) * | 1982-06-10 | 1984-10-02 | Norman Russ | Tap wrench |
| CN102407502A (en) * | 2011-12-02 | 2012-04-11 | 莱芜钢铁股份有限公司 | Knocking spanner |
| CN203485095U (en) * | 2013-09-27 | 2014-03-19 | 单体琴 | Balance-adjusting wrench anti-disengaging device of pumping unit |
| CN104786186A (en) * | 2015-05-09 | 2015-07-22 | 李彪 | Knocking spanner protection shield |
| CN210361104U (en) * | 2019-07-03 | 2020-04-21 | 惠州大亚湾远大石化机械有限公司 | Knocking wrench holder |
| CN211414943U (en) * | 2019-10-30 | 2020-09-04 | 中国石油天然气股份有限公司 | Knocking spanner |
| CN211517327U (en) * | 2019-12-26 | 2020-09-18 | 上海瑞迈企业管理咨询有限公司 | Holder for fixing knocking wrench |
| CN212665910U (en) * | 2020-04-14 | 2021-03-09 | 中国石油天然气股份有限公司 | Nut dismounting tool |
| CN112518641A (en) * | 2020-12-14 | 2021-03-19 | 中船动力有限公司 | Double-ratchet wrench |
| CN215920293U (en) * | 2021-05-18 | 2022-03-01 | 利华益利津炼化有限公司 | Novel knocking wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202023102043U1 (en) | 2023-05-15 |
| CN115026755B (en) | 2023-11-07 |
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