CN110722506B - Device for disassembling and assembling screw in narrow space - Google Patents
Device for disassembling and assembling screw in narrow space Download PDFInfo
- Publication number
- CN110722506B CN110722506B CN201911026719.1A CN201911026719A CN110722506B CN 110722506 B CN110722506 B CN 110722506B CN 201911026719 A CN201911026719 A CN 201911026719A CN 110722506 B CN110722506 B CN 110722506B
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- Prior art keywords
- sleeve
- twisting
- bolt
- sleeve body
- bolt sleeve
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a device for disassembling and assembling screws in a narrow space, which comprises a stable bracket, a stable sleeve, a bolt sleeve body and a twisting assembly, wherein the stable sleeve is arranged on the stable bracket; the twisting assembly comprises a twisting sleeve and a twisting rod, wherein the twisting sleeve is combined with one end of the twisting rod; the stabilizing sleeves are distributed at the upper end of the stabilizing support; the stabilizing sleeve is sleeved outside the bolt sleeve body and supports the bolt sleeve body; the front part of the bolt sleeve body is provided with a bolt sleeve opening, and the rear part of the bolt sleeve body is provided with connecting teeth; the front part of the twisting sleeve is provided with twisting teeth matched with the connecting teeth; the twisting sleeve is correspondingly distributed behind the bolt sleeve body through the twisting teeth, and the twisting sleeve can be freely separated and combined relative to the bolt sleeve body. The invention can be used for disassembling and assembling the screw with high torque aiming at a narrow space, and has good use effect.
Description
Technical Field
The invention relates to the technical field of screw dismounting devices, in particular to a device for dismounting screws in a narrow space.
Background
The cylinder block and the cylinder head are used in the manufacturing process, a plurality of equipment and tools are often required to be replaced, bolts which are tightened before based on long-term expansion and contraction are difficult to unscrew, meanwhile, some equipment is compact in layout, only one longitudinal narrow groove is reserved and deep, when a conventional wrench is used for disassembling and assembling, particularly when knocking is required, the wrench is easy to shake out the bolt head, and peripheral precise parts and pipelines are easy to touch, so that damage is caused.
Or the spanner can only select a certain angle, the spanner needs to be repeatedly taken down to find the position, or other things need to be removed, the spanner is troublesome, the accessory needs to be assembled again after being removed, the time is wasted when the accessory is disassembled, and the efficiency is low.
The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the application and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior application or that it is already disclosed at the date of filing of this application.
Disclosure of Invention
The present invention is directed to the above-described problems, and provides a device capable of attaching and detaching a screw with a large torque to a small space.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A device for disassembling and assembling screws in a narrow space comprises a stable bracket, a stable sleeve, a bolt sleeve body and a twisting assembly; the twisting assembly comprises a twisting sleeve and a twisting rod, wherein the twisting sleeve is combined with one end of the twisting rod; the stabilizing sleeves are distributed at the upper end of the stabilizing support; the stabilizing sleeve is sleeved outside the bolt sleeve body and supports the bolt sleeve body; the front part of the bolt sleeve body is provided with a bolt sleeve opening, and the rear part of the bolt sleeve body is provided with connecting teeth; the front part of the twisting sleeve is provided with twisting teeth matched with the connecting teeth; the twisting sleeve is correspondingly distributed behind the bolt sleeve body through the twisting teeth, and the twisting sleeve can be freely separated and combined relative to the bolt sleeve body.
Further, the torsion sleeve is combined to the rear of the bolt sleeve body through a T-shaped nail, and extrusion springs are distributed on the T-shaped nail to always extrude the rear of the torsion sleeve.
Further, a limiting convex ring is further arranged in the inner cavity of the stable sleeve, and the limiting convex ring is distributed between the bolt sleeve body and the twisting sleeve; the bolt sleeve body is distributed in front of the limiting convex ring and can axially and freely move by 2-5 mm.
Further, the device also comprises an elastic push rod assembly, wherein the elastic push rod assembly comprises a return spring, a push block and a rotating rod; the push blocks can be movably distributed on the left side and the right side of the torsion sleeve and are contacted with the top of the rotating rod, and the push blocks can move forwards to prop against the limit convex ring and push the torsion sleeve backwards through pushing of the rotating rod.
Further, the depth of the bolt sleeve opening is longer than the thickness of the bolt head of the bolt to be disassembled.
Further, the stable support is in a triangular support structure, and one upper support is provided with a telescopic slot; the lower part of the telescopic slot is provided with an adjusting screw rod; the stable sleeve is combined on the inserted link, and is distributed in the telescopic slot in a lifting manner through the inserted link.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the bolt sleeve body is limited and fixed by the stable sleeve, the stable sleeve is driven to provide stable supporting force by the fixing of the stable support, and when the torsion bar is subjected to power-assisted knocking, the phenomenon of separating from the screw to be disassembled and assembled due to vibration is avoided, so that the tightening torque is large, and the operation is simple and convenient. Meanwhile, the gear connection mode that the torsion sleeve and the bolt sleeve body can be freely separated and combined is arranged, the torsion sleeve can be reversely rotated after separation, then the torsion sleeve and the bolt sleeve body are recombined, flexible rotation in a limited space is realized, the operation is simple, convenient and rapid, and the use effect is good.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of a stabilization sleeve, a bolt housing, and a torsion assembly according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of embodiment 2 of the present invention.
Detailed Description
Example 1
As shown in fig. 1-2, a device for disassembling and assembling screws in a narrow space comprises a stable bracket 19, a stable sleeve 1, a bolt sleeve body 3 and a twisting assembly; the twisting assembly comprises a twisting sleeve 4 and a twisting rod 18, wherein the twisting sleeve 4 is combined at one end of the twisting rod 18; the stabilizing sleeves 1 are distributed at the upper end of the stabilizing support 19; the stabilizing support 19 in this embodiment is in a triangular support structure, and one of the upper supports is provided with a telescopic slot 19-1; an adjusting screw rod 20 is distributed at the lower part of the telescopic slot 19-1; the adjusting screw 20 is connected through a threaded hole, and can be adjusted in an up-and-down manner. The stable sleeve 1 is combined on the inserted link 2, and is distributed in the telescopic slot 19-1 in a lifting manner through the inserted link 2, namely, the inserted link 2 is supported by adjusting the lifting of the adjusting screw 20, so that the vertical height is adjustable, and the application range is wider and more flexible. The other two supports of the stable support 19 are provided with tightening holes 19-2 for tightening and fixing on a fixed frame or the ground. The stabilizing sleeve 1 is sleeved outside the bolt sleeve body 3 and supports and limits the bolt sleeve body; the inner cavity of the stable sleeve 1 is also provided with a limiting convex ring 1-2, and the limiting convex ring 1-2 is distributed between the bolt sleeve body 3 and the twisting sleeve 4; the bolt sleeve body 3 is distributed in front of the limiting convex ring and can axially and freely move for 2-5 mm, namely a gap 1-1-1 is reserved. The front part of the bolt sleeve body 3 is provided with a bolt sleeve opening 3-2, the depth of the bolt sleeve opening 3-2 is longer than the thickness of the bolt head of the bolt to be disassembled, and the rear part of the bolt sleeve body is provided with a connecting tooth 3-1, and the embodiment adopts a gear-shaped tooth trace; the front part of the twisting sleeve 4 is provided with twisting teeth matched with the connecting teeth; the twisting sleeve 4 is correspondingly distributed behind the bolt sleeve body 3 through the twisting teeth, and the twisting sleeve 4 can be freely separated and combined relative to the bolt sleeve body 3. The twisting sleeve 4 is combined with the rear of the bolt sleeve body 3 through a T-shaped nail 13, and extrusion springs 14 are distributed on the T-shaped nail 13 and always extrude the rear of the twisting sleeve 4, so that better reversing operation of the twisting sleeve 4 during operation is realized, and two ends of each extrusion spring 14 in the embodiment are respectively provided with a rotary pressure plate gasket 10 and a rotary pressure plate gasket 12. In this embodiment, for facilitating the detachment and combination operation of the torsion sleeve 4 relative to the bolt sleeve body 3, an elastic push rod assembly is further provided, and the elastic push rod assembly includes a return spring 5, a push block 9 and a rotating rod 16; The push blocks 9 are movably distributed in push block movable grooves 6 formed in the left side and the right side of the twisting sleeve 4, meanwhile, for facilitating pushing, protruding blocks 8 are further arranged at the rear portions of the push blocks 9, protruding block outlets 7 are correspondingly formed in the push block movable grooves 6, and the protruding blocks 8 extend out of the protruding block outlets 7. The rotating rods 16 are distributed in the torsion rod 18, and at the same time, left and right support arms 15 are arranged at the upper part of the rotating rods 16 in the embodiment, and the left and right support arms 15 penetrate out of the support arm arc-shaped openings 18-1 of the torsion rod 18 and are contacted with the protruding blocks 8. The lower part of the rotating rod 16 is also provided with a pressing block 17. When the push block 9 is used, the push block 9 can be pushed forward only by pressing left and right support arms 15 of the pressing block 17, the front end of the push block 9 props against the limit convex ring 1-2, the torsion sleeve 4 is pushed backward, the torsion sleeve 4 is driven to be separated from the connecting teeth 3-1, the torsion sleeve 4 is rotated reversely under the separation state, then the pressing block 17 is released, the push block 9 is retracted under the action of the reset spring 5, and meanwhile, the torsion sleeve 4 is sleeved back to the connecting teeth 3-1 again under the action of the extrusion spring 14. Then, a large torque dismounting operation is performed, and the twist lever 18 can be knocked. The twist lever 18 of the present embodiment is also provided with a reinforcing rib 18-2. When dismantling, bolt sleeve body 3 embolias the bolt of waiting to dismantle, twist sleeve 4 drive bolt sleeve body 3 and rotate, because there is firm sleeve 1 to support this moment, even carry out supplementary knocking application of force, the bolt of waiting to dismantle can not break away from with this device yet, can realize big moment of torsion, vibration-resistant dismouting operation, because bolt pocket degree of depth is longer than the bolt head thickness of waiting to dismantle the bolt, can continuously sink into in the bolt pocket after then the bolt is unscrewed, can use other conventional spanners to unscrew in case unscrew and change and carry out the operation. of course, the device can also be used for tightening the bolts.
Example 2
This embodiment differs from embodiment 1 only in that: as shown in fig. 3, when the elastic push rod assembly according to embodiment 1 is not provided, and the detachment and combination operation of the twist sleeve 4 with respect to the bolt housing 3 is performed, the twist sleeve 4 may be pulled out of the bolt housing 3 by pulling back the twist rod 18, and then the twist rod 18 is reversed, and then the pull-back force is released, and the twist sleeve 4 is pulled back into the bolt housing 3 again by the compression spring 14, so as to perform the tightening or removing operation.
Claims (3)
1. The utility model provides a device of narrow space dismouting screw which characterized in that: comprises a stable bracket, a stable sleeve, a bolt sleeve body and a twisting component; the twisting assembly comprises a twisting sleeve and a twisting rod, wherein the twisting sleeve is combined with one end of the twisting rod; the stabilizing sleeves are distributed at the upper end of the stabilizing support; the stabilizing sleeve is sleeved outside the bolt sleeve body and supports the bolt sleeve body; the front part of the bolt sleeve body is provided with a bolt sleeve opening, and the rear part of the bolt sleeve body is provided with connecting teeth; the front part of the twisting sleeve is provided with twisting teeth matched with the connecting teeth; the twisting sleeve is correspondingly distributed behind the bolt sleeve body through the twisting teeth, the twisting sleeve can be freely separated and combined relative to the bolt sleeve body, a limiting convex ring is further arranged in the inner cavity of the stabilizing sleeve, and the limiting convex ring is distributed between the bolt sleeve body and the twisting sleeve body; the bolt sleeve body is distributed in front of the limiting convex ring and can axially and freely move by 2-5 mm; the device also comprises an elastic push rod assembly, wherein the elastic push rod assembly comprises a reset spring, a push block and a rotating rod; the pushing blocks can be movably distributed on the left side and the right side of the torsion sleeve and are contacted with the top of the rotating rod, and the limiting convex ring can be pushed forward by pushing the rotating rod and can push the torsion sleeve backwards; the torsion sleeve is combined with the rear of the bolt sleeve body through a T-shaped nail, and extrusion springs are distributed on the T-shaped nail to always extrude the rear of the torsion sleeve.
2. The apparatus for removing screws from a small space according to claim 1, wherein: the depth of the bolt sleeve opening is longer than the thickness of the bolt head of the bolt to be disassembled.
3. The apparatus for removing screws from a small space according to claim 1, wherein: the stable support is of an A-frame structure, and one upper support is provided with a telescopic slot; the lower part of the telescopic slot is provided with an adjusting screw rod; the stable sleeve is combined on the inserted link and distributed in the telescopic slot in a lifting manner through the inserted link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026719.1A CN110722506B (en) | 2019-10-26 | 2019-10-26 | Device for disassembling and assembling screw in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026719.1A CN110722506B (en) | 2019-10-26 | 2019-10-26 | Device for disassembling and assembling screw in narrow space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110722506A CN110722506A (en) | 2020-01-24 |
| CN110722506B true CN110722506B (en) | 2024-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911026719.1A Active CN110722506B (en) | 2019-10-26 | 2019-10-26 | Device for disassembling and assembling screw in narrow space |
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| Country | Link |
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| CN (1) | CN110722506B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207240056U (en) * | 2017-10-10 | 2018-04-17 | 廖加伟 | The screwdriver that a kind of small space uses |
| TWM580495U (en) * | 2019-02-20 | 2019-07-11 | 黃鴻文 | A torque wrench |
| CN211249871U (en) * | 2019-10-26 | 2020-08-14 | 广西玉柴机器股份有限公司 | Device for disassembling and assembling screw in narrow space |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI661909B (en) * | 2017-02-17 | 2019-06-11 | 胡厚飛 | Penetrating electric ratchet wrench and using method thereof |
| CN110303456A (en) * | 2019-07-11 | 2019-10-08 | 山东太古飞机工程有限公司 | A kind of auxiliary mould of airplane starter body bolt school pound and dismounting |
-
2019
- 2019-10-26 CN CN201911026719.1A patent/CN110722506B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207240056U (en) * | 2017-10-10 | 2018-04-17 | 廖加伟 | The screwdriver that a kind of small space uses |
| TWM580495U (en) * | 2019-02-20 | 2019-07-11 | 黃鴻文 | A torque wrench |
| CN211249871U (en) * | 2019-10-26 | 2020-08-14 | 广西玉柴机器股份有限公司 | Device for disassembling and assembling screw in narrow space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110722506A (en) | 2020-01-24 |
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