CN219747781U - Safety auxiliary tool for knocking wrench - Google Patents
Safety auxiliary tool for knocking wrench Download PDFInfo
- Publication number
- CN219747781U CN219747781U CN202321246571.4U CN202321246571U CN219747781U CN 219747781 U CN219747781 U CN 219747781U CN 202321246571 U CN202321246571 U CN 202321246571U CN 219747781 U CN219747781 U CN 219747781U
- Authority
- CN
- China
- Prior art keywords
- connecting sleeve
- stop lever
- permanent magnet
- knocking
- wheel
- 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.)
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Links
- 230000005389 magnetism Effects 0.000 claims description 4
- 238000010009 beating Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a knocking spanner safety auxiliary tool which structurally comprises a permanent magnet sucker, an anti-falling mechanism, a connecting sleeve and a stop lever, wherein the anti-falling mechanism is arranged on one side of the permanent magnet sucker, the connecting sleeve is arranged on the anti-falling mechanism, one end of the stop lever is in adjustable connection with the connecting sleeve, a through hole is formed in the other end of the stop lever, and the through hole is used for being sleeved on a bolt. The anti-disengaging mechanism comprises a frame fixedly connected to the permanent magnetic chuck, a rotating shaft is arranged on the frame, a ratchet wheel is fixedly arranged on the rotating shaft, a rotating wheel is connected onto the rotating shaft in a shaft mode, a pawl matched with the ratchet wheel is arranged on the rotating wheel, and the connecting sleeve is fixedly arranged on the rotating wheel. The utility model has simple structure and convenient use, can effectively prevent the knocking spanner from falling off or flying out during working, and ensures the personal safety of operators.
Description
Technical Field
The utility model relates to a safety auxiliary tool, in particular to a safety auxiliary tool for a knocking wrench.
Background
In the construction process of gas pipeline, often can meet the nut and lead to unable dismantlement because reasons such as rust, runs into the nut of dismantling the difficulty and need use to strike the spanner and make the nut become flexible through beating, when beating the spanner with the mallet, because the nut has the clearance with beating the spanner, lead to beating the spanner to drop even fly out through many times of beating easily, very easily cause the injury to constructor around, so need an appurtenance to avoid the problem that drops the fly out at the in-process of beating the spanner.
Disclosure of Invention
The utility model aims to provide a safety auxiliary tool for a knocking spanner, which aims to solve the problems that the existing knocking spanner is easy to fall off and fly out when in use and has poor safety.
The utility model is realized in the following way: the utility model provides a strike spanner safety appurtenance, includes permanent magnetism sucking disc, anticreep mechanism, adapter sleeve and pin, the anticreep mechanism set up in one side of permanent magnetism sucking disc, the adapter sleeve set up in on the anticreep mechanism, pin one end with be adjustable connection between the adapter sleeve the other end of pin is opened there is the cross-under hole, the cross-under hole is used for cup jointing on the bolt.
The anti-disengaging mechanism comprises a frame fixedly connected to the permanent magnetic chuck, a rotating shaft is arranged on the frame, a ratchet wheel is fixedly arranged on the rotating shaft, a rotating wheel is connected onto the rotating shaft in a shaft mode, a pawl matched with the ratchet wheel is arranged on the rotating wheel, and the connecting sleeve is fixedly arranged on the rotating wheel.
The rotating wheel is provided with a mounting part, an elastic piece is arranged between the mounting part and the pawl, and the pawl is pressed on the ratchet wheel through the elastic piece.
The end part of the stop lever is connected in the connecting sleeve in a penetrating way, a fastening screw is arranged on the connecting sleeve, and the stop lever and the connecting sleeve are fixed together through the fastening screw.
The permanent magnet sucker is provided with a permanent magnet switch for controlling the generation and closing of the suction force of the permanent magnet sucker.
The utility model is used for safety protection when the knocking spanner is used, when the nut is disassembled, the knocking spanner is arranged on the nut, then the permanent magnet sucker is adsorbed and fixed on equipment, the position is adjusted to enable the stop lever to correspond to the position of the bolt, the extension length of the stop lever is adjusted to enable the through hole on the stop lever to be just sleeved at the end part of the bolt, the stop lever is rotated to enable the through hole to be sleeved on the bolt outside the nut, and the stop lever is limited to swing outwards through the anti-disengaging mechanism. After the utility model is used for protecting the knocking spanner, an operator can hit the knocking spanner through a large hammer and the knocking spanner rotates under the action of impact force, so that nuts on bolts are loosened, and then the nuts are disassembled according to a normal mode. In the process of using the knocking spanner, the knocking spanner cannot deviate from the nut due to the protection of the stop lever, and even if the knocking spanner deviates from the nut, the knocking spanner cannot fly out under the blocking effect of the stop lever, so that the personal safety of surrounding operators is ensured.
The utility model has simple structure and convenient use, can effectively prevent the knocking spanner from falling off or flying out during working, and ensures the personal safety of operators.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Fig. 2 is a schematic view of the use state of the present utility model.
Fig. 3 is a side view of fig. 2.
In the figure: 1. permanent magnetic chuck; 2. an anti-drop mechanism; 3. connecting sleeves; 4. a stop lever; 5. a permanent magnet switch; 6. a fastening screw; 7. penetrating the hole; 8. a bolt; 9. a nut; 10. knocking a wrench; 2-1, a frame; 2-2, a rotating shaft; 2-3, rotating wheel; 2-4, ratchet wheel; 2-5, pawl; 2-6, an elastic piece; 2-7, mounting part.
Detailed Description
As shown in fig. 1, 2 and 3, the utility model comprises a permanent magnet sucker 1, an anti-falling mechanism 2, a connecting sleeve 3 and a stop lever 4.
The permanent magnet sucker 1 is a common magnetic adsorption device, can be manually controlled to generate magnetic attraction or close magnetic force, and can be adsorbed and fixed on equipment and workpieces by strong magnetic force.
The anti-drop mechanism 2 is arranged on one side of the permanent magnet sucker 1, the connecting sleeve 3 is arranged on the anti-drop mechanism 2, one end of the stop lever 4 is in adjustable connection with the connecting sleeve 3, the other end of the stop lever 4 is provided with a through hole 7, and the through hole 7 is used for being sleeved on the bolt 8.
The bar 4 can rotate around the center of the anti-falling mechanism 2, so that the bar 4 is buckled at the end part of the bolt 8, and the anti-falling mechanism 2 can prevent the bar 4 from rotating in the opposite direction, so that the baffle buckled on the bolt 8 is prevented from falling off.
The anti-disengaging mechanism 2 comprises a frame 2-1, the frame 2-1 is fixedly connected to a shell on one side of the permanent magnet sucker 1, a rotating shaft 2-2 is fixedly connected to the frame 2-1, a ratchet wheel 2-4 is fixedly arranged at the end part of the rotating shaft 2-2, a rotating wheel 2-3 is connected to the rotating shaft 2-2 in a shaft mode, the rotating wheel 2-3 is located between the frame 2-1 and the ratchet wheel 2-4, a pawl 2-5 matched with the ratchet wheel 2-4 is arranged on the rotating wheel 2-3, the rotating wheel 2-3 can only rotate along one direction under the matching of the ratchet wheel 2-4 and the pawl 2-5, and rotation in the other direction can be blocked by the pawl 2-5.
The anti-disengagement mechanism 2 can be other structures capable of preventing reverse rotation besides the ratchet wheel 2-4 pawl 2-5 mechanism, so that the stop lever 4 cannot be disengaged after being buckled on the nut 9.
The connecting sleeve 3 is fixedly arranged on the rotating wheel 2-3, and the stop lever 4 is arranged in the connecting sleeve 3, so that the stop lever 4 can only rotate in one direction, and the rotation in the other direction can be blocked, thereby preventing the stop lever 4 buckled on the bolt 8 from being pulled out outwards.
The rotating wheel 2-3 is provided with a mounting part 2-7, an elastic piece 2-6 is arranged between the mounting part 2-7 and the pawl 2-5, and the pawl 2-5 is pressed on the ratchet wheel 2-4 through the elastic piece 2-6.
The elastic members 2-6 may be springs or snap springs.
When the rotating wheel 2-3 is required to rotate reversely, the pawl 2-5 is shifted to compress the elastic member 2-6, so that the pawl 2-5 is separated from the ratchet wheel 2-4, and then the rotating wheel 2-3 can be rotated, and the stop lever 4 can be separated from the screw rod through the operation. But during use, the ratchet wheel 2-4 and the pawl 2-5 can be kept engaged under the action of impact force, so that the reliability of the anti-disengaging mechanism 2 is ensured.
The end part of the stop lever 4 is connected in the connecting sleeve 3 in a penetrating way, a fastening screw 6 is arranged on the connecting sleeve 3, and the stop lever 4 and the connecting sleeve 3 are fixed together through the fastening screw 6. The length of the extension of the stop lever 4 can be very much required to be adjusted, when the length of the stop lever 4 is adjusted, the fastening screw 6 is loosened, the position of the stop lever 4 is moved in the connecting sleeve 3, the position of the through hole 7 at the other end of the stop lever 4 just corresponds to the bolt 8, and then the fastening screw 6 is screwed to fix the stop lever 4 on the connecting sleeve 3.
A permanent magnet switch 5 is arranged on the permanent magnet sucker 1 and is used for controlling the generation and closing of the suction force of the permanent magnet sucker 1.
The application method of the utility model is as follows: when the nut 9 is disassembled, the knocking spanner 10 is firstly installed on the nut 9, then the permanent magnet sucker 1 is adsorbed and fixed on equipment, the position is adjusted to enable the stop lever 4 to correspond to the position of the bolt 8, the extension length of the stop lever 4 is adjusted to enable the through hole 7 on the stop lever 4 to be just sleeved at the end part of the bolt 8, the stop lever 4 is rotated to enable the through hole 7 to be sleeved on the bolt 8 at the outer side of the nut 9, and the stop lever 4 is limited to swing outwards through the anti-disengaging mechanism 2; after the utility model is used for protecting the knocking spanner 10, an operator hits the knocking spanner 10 through a large hammer, and the knocking spanner 10 rotates under the action of impact force, so that the nuts 9 on the bolts 8 are loosened, and then the nuts 9 are disassembled in a normal mode.
In the process of using the knocking spanner 10, the knocking spanner 10 cannot be separated from the nut 9 due to the protection of the stop lever 4, and even if the knocking spanner 10 is separated from the nut 9, the knocking spanner 10 cannot fly out under the blocking effect of the stop lever 4, so that the personal safety of surrounding operators is ensured.
The utility model can also be used for the other end of the bolt 8, the stop lever 4 is blocked at the outer side of the head of the bolt 8, and the stop lever 4 can prevent the knocking spanner 10 arranged at the head of the bolt 8 from being separated through blocking of the stop lever 4 although the stop lever is not sleeved on the bolt 8.
The utility model has simple structure and convenient use, can effectively prevent the knocking spanner 10 from falling out or flying out during working, and ensures the personal safety of operators.
Claims (5)
1. The utility model provides a strike spanner safety appurtenance, its characterized in that includes permanent magnetism sucking disc, anticreep mechanism, adapter sleeve and pin, the anticreep mechanism set up in one side of permanent magnetism sucking disc, the adapter sleeve set up in on the anticreep mechanism, pin one end with be adjustable connection between the adapter sleeve the other end of pin is opened there is the cross-under hole, the cross-under hole is used for cup jointing on the bolt.
2. The knocking wrench safety auxiliary tool according to claim 1, wherein said anti-disengaging mechanism comprises a frame fixedly connected to said permanent magnet chuck, a rotating shaft is provided on said frame, a ratchet wheel is fixedly provided on said rotating shaft, a rotating wheel is pivoted on said rotating shaft, a pawl matched with said ratchet wheel is provided on said rotating wheel, and said connecting sleeve is fixedly provided on said rotating wheel.
3. The knocking wrench safety aid according to claim 2, wherein a mounting portion is provided on the wheel, and an elastic member is provided between the mounting portion and the pawl, the pawl being pressed against the ratchet by the elastic member.
4. The knocking wrench safety aid according to claim 1, wherein an end portion of the bar is penetrated into the connecting sleeve, a fastening screw is provided on the connecting sleeve, and the bar and the connecting sleeve are fixed together by the fastening screw.
5. The knocking wrench safety aid according to claim 1, wherein a permanent magnet switch is provided on the permanent magnet chuck for controlling generation and closing of suction force of the permanent magnet chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321246571.4U CN219747781U (en) | 2023-05-23 | 2023-05-23 | Safety auxiliary tool for knocking wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321246571.4U CN219747781U (en) | 2023-05-23 | 2023-05-23 | Safety auxiliary tool for knocking wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219747781U true CN219747781U (en) | 2023-09-26 |
Family
ID=88084513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321246571.4U Active CN219747781U (en) | 2023-05-23 | 2023-05-23 | Safety auxiliary tool for knocking wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219747781U (en) |
-
2023
- 2023-05-23 CN CN202321246571.4U patent/CN219747781U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |