CN203343948U - Countersunk bolt and nut detaching tool - Google Patents
Countersunk bolt and nut detaching tool Download PDFInfo
- Publication number
- CN203343948U CN203343948U CN 201320369188 CN201320369188U CN203343948U CN 203343948 U CN203343948 U CN 203343948U CN 201320369188 CN201320369188 CN 201320369188 CN 201320369188 U CN201320369188 U CN 201320369188U CN 203343948 U CN203343948 U CN 203343948U
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- CN
- China
- Prior art keywords
- nut
- bolt
- flat recess
- disconnect assembly
- clamps
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- 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 - Lifetime
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Abstract
A countersunk bolt and nut detaching tool is used for solving the problem that slotted countersunk nuts and slotted countersunk bolts are difficult to detach. The countersunk bolt and nut detaching tool comprises a clamping seat, a nut clamping detaching component and a bolt clamping detaching component. The clamping seat is of a frame structure with one side open and is assembled with the nut clamping detaching component through a first threaded hole in the outer side face of the clamping seat, and the clamping seat is assembled with the bolt clamping detaching component through a second threaded hole in the inner side face of the clamping seat. The nut clamping detaching component is matched with a slotted countersunk nut to be detached, and the bolt clamping detaching component is matched with a slotted countersunk bolt to be detached. The countersunk bolt and nut detaching tool has the advantages of being simple in structure, convenient to operate, and capable of improving work efficiency, avoiding damaging slotted countersunk nuts and slotted countersunk bolts, and reducing maintenance cost of mechanical devices.
Description
Technical field
The utility model relates to a kind of hand-operated tools, and especially a kind of hand-operated tools that is applicable to the dormant bolt nut dismounting, belong to the Manual disassembling tool technical field.
Background technology
In the machinery maintenance process, run into sometimes the dismounting problem of flat recess dormant bolt and flat recess countersunk nut.As shown in Figure 1, because flat recess dormant bolt 2 and flat recess countersunk nut 1 both ends of the surface are absorbed in machine components, add machine components and be exposed to for a long time in natural environment, make flat recess dormant bolt 2 and 1 corrosion of flat recess countersunk nut after field-strip very difficult.Traditional dismounting mode is to dismantle by force by yi word pattern spiral shell cutter, inefficiency not only, but also can cause yi word pattern spiral shell cutter to skid, and cause flat recess dormant bolt 2 and flat recess countersunk nut 1 to scrap, improved the maintenance cost of plant equipment.
The utility model content
The purpose of this utility model is the drawback for prior art, and a kind of simple in structure, easy to operate, the dormant bolt nut dismounting instrument that can increase work efficiency, can avoid again flat recess countersunk nut and flat recess dormant bolt are caused damage is provided.
Problem described in the utility model realizes with following technical proposals:
A kind of dormant bolt nut dismounting instrument, it comprises that holder, nut clamp disconnect assembly and bolt clamps disconnect assembly, described holder is the open frame structure of a side, it clamps the disconnect assembly assembling by the first screwed hole and the nut arranged on lateral surface, clamp the disconnect assembly assembling by the second screwed hole and the bolt arranged on medial surface, described nut clamps disconnect assembly and flat recess countersunk nut coupling to be removed, and described bolt clamps disconnect assembly and flat recess dormant bolt to be removed mates.
Above-mentioned dormant bolt nut dismounting instrument, described nut clamps disconnect assembly and comprises screw rod and handle, described screw rod is cylindrical structure, at the latter half setting of its external cylindrical surface and the external thread of screw of holder the first screwed hole coupling, on screw rod top, the handle pilot hole is set, in the screw rod bottom, the spiral shell cutter head is set, the flat recess coupling of described spiral shell cutter head and flat recess countersunk nut.
Above-mentioned dormant bolt nut dismounting instrument, described bolt clamps disconnect assembly and comprises clamp shaft, bearing pin, swivel nut and location-plate, described clamp shaft is provided with the flanged structure equipped with swivel nut, one keyboard is set above described flanged structure, the flat recess coupling of a described keyboard and flat recess dormant bolt, the hinge hole that the clamp shaft draw-in groove is set and mates with bearing pin at the clamp shaft afterbody.
Above-mentioned dormant bolt nut dismounting instrument, the clamp shaft of described bolt clamping disconnect assembly is hinged by bearing pin and location-plate, described location-plate and clamp shaft draw-in groove coupling.
Above-mentioned dormant bolt nut dismounting instrument, the swivel nut that described bolt clamps disconnect assembly is comprised of upper and lower two parts, wherein the first half is the cylindrical sleeves structure, the swivel nut external screw thread mated with holder the second screwed hole is set at the cylindrical sleeves outer surface, swivel nut the latter half is six prism tube-in-tube structures, one group of swivel nut draw-in groove mated with location-plate is set, the smooth face of cylinder of swivel nut inner chamber for connecting in six prism sleeve bottom surfaces.
Above-mentioned dormant bolt nut dismounting instrument, the thread pitch that described nut clamps external thread of screw in disconnect assembly and the externally threaded pitch of swivel nut in bolt clamping disconnect assembly and flat recess countersunk nut to be removed and flat recess dormant bolt is identical.
The utility model is usingd handle as power intake, clamp the cooperation of disconnect assembly and bolt clamping disconnect assembly by nut, make flat recess countersunk nut or flat recess dormant bolt along axial-movement, reach the purpose that the flat recess countersunk nut separates with the flat recess dormant bolt; The spiral shell cutter head that the utility model clamps the bottom of screw rod in disconnect assembly by nut by transmission of power to the flat recess countersunk nut, make flat recess countersunk nut and flat recess dormant bolt produce relative motion, the flat recess countersunk nut screws out vertically, and the keyboard that the flat recess dormant bolt is clamped the clamp shaft in disconnect assembly by bolt is fixedly clamped, clamp shaft is by location-plate and swivel nut locking, therefore the flat recess dormant bolt is motionless, swivel nut outwards screws out, after handle rotates a circle like this, the flat recess countersunk nut will axially screw out the distance of a pitch; In the utility model structure, nut clamps the flat recess coupling of spiral shell cutter head and the flat recess countersunk nut of screw rod bottom setting in disconnect assembly, bolt clamps the flat recess coupling of clamp shaft one keyboard and the flat recess dormant bolt of disconnect assembly, avoided a word spiral shell cutter skidding in unloading process, can be to the damage of flat recess countersunk nut and flat recess dormant bolt.In a word, the utlity model has simple in structure, easy to operate characteristics, can not only increase work efficiency, and can avoid the damage that flat recess countersunk nut and flat recess dormant bolt are caused, thereby reduced the cost of machinery maintenance, effectively guaranteed the Repairing Mechanical Equipments quality.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is that flat recess dormant bolt and the flat recess countersunk nut of plant equipment coordinates schematic diagram;
Fig. 2 is the utility model structural representation;
Fig. 3 is the clip seat structure schematic diagram;
Fig. 4 is the screw-rod structure schematic diagram;
Fig. 5 is A-A sectional structure chart in Fig. 4;
Fig. 6 is the clamp shaft structural representation;
Fig. 7 is B-B sectional structure chart in Fig. 6;
Fig. 8 is the cross-sectional view of swivel nut;
Fig. 9 is the upward view of Fig. 8;
Figure 10～Figure 12 is the utility model course of work schematic diagram.
In figure, each list of reference numerals is: 1, flat recess countersunk nut, 2, the flat recess dormant bolt, 3, holder, 3-1, the first screwed hole, 3-2, the second screwed hole, 4, screw rod, 4-1, spiral shell cutter head, 4-2, external thread of screw, 4-3, handle pilot hole, 5, handle, 6, clamp shaft, 6-1, a keyboard, 6-2, hinge hole, 6-3, flanged structure, 6-4, clamp shaft draw-in groove, 7, swivel nut, 7-1, swivel nut external screw thread, 7-2, swivel nut draw-in groove, the swivel nut inner chamber, 8, location-plate, 9, bearing pin.
The specific embodiment
Referring to Fig. 2, Fig. 3, the utility model comprises that holder 3, nut clamp disconnect assembly and bolt clamps disconnect assembly, described holder 3 is the open frame structure of a side, it clamps the disconnect assembly assembling by the first screwed hole 3-1 and the nut arranged on lateral surface, clamp the disconnect assembly assembling by the second screwed hole 3-2 and the bolt arranged on medial surface, described nut clamps disconnect assembly and flat recess countersunk nut 1 coupling to be removed, and described bolt clamps disconnect assembly and flat recess dormant bolt 2 to be removed mates.
Referring to Fig. 2, Fig. 3, Fig. 4, Fig. 5, nut of the present utility model clamps disconnect assembly and comprises screw rod 4 and handle 5, described screw rod 4 is cylindrical structure, at the latter half setting of its external cylindrical surface and the external thread of screw 4-2 of holder the first screwed hole 3-1 coupling, handle pilot hole 4-3 is set on screw rod top, in the screw rod bottom, spiral shell cutter head 4-1 is set, the flat recess coupling of described spiral shell cutter head 4-1 and flat recess countersunk nut 1.
Referring to Fig. 2, Fig. 3, Fig. 6, Fig. 7, bolt of the present utility model clamps disconnect assembly and comprises clamp shaft 6, bearing pin 9, swivel nut 7 and location-plate 8, described clamp shaft 6 is provided with the flanged structure 6-3 equipped with swivel nut 7, one keyboard 6-1 is set above described flanged structure 6-3, the flat recess coupling of a described keyboard 6-1 and flat recess dormant bolt 2, the hinge hole 6-2 that clamp shaft draw-in groove 6-4 is set and mates with bearing pin 9 at clamp shaft 6 afterbodys, clamp shaft 6 is hinged by bearing pin 9 and location-plate 8, described location-plate 8 and clamp shaft draw-in groove 6-4 coupling.
Referring to Fig. 2, Fig. 3, Fig. 8, Fig. 9, swivel nut 7 of the present utility model is comprised of upper and lower two parts, wherein the first half is the cylindrical sleeves structure, the swivel nut external screw thread 7-1 mated with holder the second screwed hole 3-2 is set at the cylindrical sleeves outer surface, swivel nut the latter half is six prism tube-in-tube structures, one group of swivel nut draw-in groove 7-2 mated with location-plate 8 is set, the smooth face of cylinder of swivel nut inner chamber 7-3 for connecting in six prism sleeve bottom surfaces.
Referring to Figure 10～Figure 12, the utility model is usingd handle 5 as power intake, clamp the cooperation of disconnect assembly and bolt clamping disconnect assembly by nut, flat recess countersunk nut 1 is moved along axis direction, reach the purpose that flat recess countersunk nut 1 separates with flat recess dormant bolt 2.The course of work of the present utility model is: nut is clamped to the external thread of screw 4-2 of the screw rod 4 in disconnect assembly, the swivel nut external screw thread 7-1 that bolt clamps the swivel nut 7 in disconnect assembly and assemble with the first screwed hole 3-1, the second screwed hole 3-2 of holder 3 respectively; One keyboard 6-1 of clamp shaft 6 is aimed to the flat recess of flat recess dormant bolt 2 to be removed; The spiral shell cutter head 4-1 of screw rod 4 terminations is aimed to the flat recess of flat recess countersunk nut 1 to be removed; And upper surface and the clamp shaft 6 lower surface laminatings of swivel nut 7 are adjusted in turn, again in the swivel nut draw-in groove 7-2 that location-plate 8 is snapped in to swivel nut 7 bottoms, now top 4-1 spiral shell cutter head and bottom clamp shaft 6-1 tightly clip flat recess countersunk nut bolt, and make split workpiece be adjusted at 3 holder centre positions; After the aforesaid operations confirmation is errorless, counter clockwise direction turning handle 5, flat recess countersunk nut 1 and flat recess dormant bolt 2 screw out round about, just flat recess countersunk nut 1 can be disassembled from flat recess dormant bolt 2.
Claims (6)
1. a dormant bolt nut dismounting instrument, it is characterized in that, it comprises holder (3), nut clamps disconnect assembly and bolt clamps disconnect assembly, described holder (3) is the open frame structure of a side, it clamps the disconnect assembly assembling by the first screwed hole (3-1) arranged on lateral surface with nut, clamp the disconnect assembly assembling by the second screwed hole (3-2) arranged on medial surface with bolt, described nut clamps disconnect assembly and mates with flat recess countersunk nut (1) to be removed, described bolt clamps disconnect assembly and mates with flat recess dormant bolt (2) to be removed.
2. a kind of dormant bolt nut dismounting instrument according to claim 1, it is characterized in that, described nut clamps disconnect assembly and comprises screw rod (4) and handle (5), described screw rod (4) is cylindrical structure, at the latter half setting of its external cylindrical surface and the external thread of screw (4-2) of holder the first screwed hole (3-1) coupling, handle pilot hole (4-3) is set on screw rod top, in the screw rod bottom, spiral shell cutter head (4-1) is set, described spiral shell cutter head (4-1) mates with the flat recess of flat recess countersunk nut (1).
3. a kind of dormant bolt nut dismounting instrument according to claim 1 and 2, it is characterized in that, described bolt clamps disconnect assembly and comprises clamp shaft (6), bearing pin (9), swivel nut (7) and location-plate (8), described clamp shaft (6) is provided with the flanged structure (6-3) equipped with swivel nut (7), one keyboard (6-1) is set above described flanged structure (6-3), a described keyboard (6-1) mates with the flat recess of flat recess dormant bolt (2), the hinge hole (6-2) that clamp shaft draw-in groove (6-4) is set and mates with bearing pin (9) at clamp shaft (6) afterbody.
4. a kind of dormant bolt nut dismounting instrument according to claim 3, is characterized in that, the clamp shaft (6) of described bolt clamping disconnect assembly is hinged by bearing pin (9) and location-plate (8), described location-plate (8) and clamp shaft draw-in groove (6-4) coupling.
5. a kind of dormant bolt nut dismounting instrument according to claim 3, it is characterized in that, the swivel nut (7) that described bolt clamps disconnect assembly is comprised of upper and lower two parts, wherein the first half is the cylindrical sleeves structure, the swivel nut external screw thread (7-1) mated with holder the second screwed hole (3-2) is set at the cylindrical sleeves outer surface, swivel nut the latter half is six prism tube-in-tube structures, one group of swivel nut draw-in groove (7-2) mated with location-plate (8) is set, the smooth face of cylinder of swivel nut inner chamber (7-3) for connecting in six prism sleeve bottom surfaces.
6. a kind of dormant bolt nut dismounting instrument according to claim 5, it is characterized in that, the thread pitch that described nut clamps the pitch of external thread of screw (4-2) in disconnect assembly and swivel nut external screw thread (7-1) in bolt clamping disconnect assembly and flat recess countersunk nut (1) to be removed and flat recess dormant bolt (2) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320369188 CN203343948U (en) | 2013-06-26 | 2013-06-26 | Countersunk bolt and nut detaching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320369188 CN203343948U (en) | 2013-06-26 | 2013-06-26 | Countersunk bolt and nut detaching tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203343948U true CN203343948U (en) | 2013-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320369188 Expired - Lifetime CN203343948U (en) | 2013-06-26 | 2013-06-26 | Countersunk bolt and nut detaching tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203343948U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563421A (en) * | 2016-03-24 | 2016-05-11 | 江苏瑞德机械有限公司 | Special screw removal device |
| CN106041810A (en) * | 2016-08-15 | 2016-10-26 | 钦州学院 | Hydraulic tightening device for bolts |
| CN106041809A (en) * | 2016-08-15 | 2016-10-26 | 钦州学院 | Pneumatic tightening device for bolt |
| CN106078594A (en) * | 2016-08-15 | 2016-11-09 | 钦州学院 | A kind of multipurpose device for screwing up of bolt |
| CN106181841A (en) * | 2016-08-15 | 2016-12-07 | 钦州学院 | A kind of electric screwing device of bolt |
| CN113579699A (en) * | 2021-07-12 | 2021-11-02 | 中广核核电运营有限公司 | Dismounting device of a word transmission cap |
-
2013
- 2013-06-26 CN CN 201320369188 patent/CN203343948U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563421A (en) * | 2016-03-24 | 2016-05-11 | 江苏瑞德机械有限公司 | Special screw removal device |
| CN106041810A (en) * | 2016-08-15 | 2016-10-26 | 钦州学院 | Hydraulic tightening device for bolts |
| CN106041809A (en) * | 2016-08-15 | 2016-10-26 | 钦州学院 | Pneumatic tightening device for bolt |
| CN106078594A (en) * | 2016-08-15 | 2016-11-09 | 钦州学院 | A kind of multipurpose device for screwing up of bolt |
| CN106181841A (en) * | 2016-08-15 | 2016-12-07 | 钦州学院 | A kind of electric screwing device of bolt |
| CN113579699A (en) * | 2021-07-12 | 2021-11-02 | 中广核核电运营有限公司 | Dismounting device of a word transmission cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
|
| CX01 | Expiry of patent term |