CN201149028Y - Anti-dismounting bolt pair, anti-dismounting bolt nut thereof, and special-purpose wrench thereof - Google Patents
Anti-dismounting bolt pair, anti-dismounting bolt nut thereof, and special-purpose wrench thereof Download PDFInfo
- Publication number
- CN201149028Y CN201149028Y CNU2007202010499U CN200720201049U CN201149028Y CN 201149028 Y CN201149028 Y CN 201149028Y CN U2007202010499 U CNU2007202010499 U CN U2007202010499U CN 200720201049 U CN200720201049 U CN 200720201049U CN 201149028 Y CN201149028 Y CN 201149028Y
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- China
- Prior art keywords
- cavity
- stop part
- compound
- clamping part
- tamper
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- Expired - Fee Related
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Abstract
The utility model provides a pair of anti-disassembly bolts, an anti-disassembly bolt nut and a special wrench, and relates to the technology field of mechanical parts and mechanical tools. The anti-disassembly bolts are formed by increasing blocking parts at the ends of the ordinary bolt heads; the anti-disassembly nut is formed by increasing the blocking part at the end of the ordinary nut; the pair of anti-disassembly bolts are provided with protective covers at the outsides of the bolt heads of the anti-disassembly bolts and the anti-disassembly nut, thus forming gaps between the protective covers and the blocking parts for inserting clamping blocks for the special wrench; the special wrench can be formed by connecting a plurality of open clamping blocks and a fixed part, the clamping blocks can be inserted in the gaps between the protective covers and the blocking parts under the opening state, and the clamping blocks can get around the blocking parts to clamp the clamping parts under the closing state. The utility model is used in the mechanism connection, thus preventing the disassembly of the general tools; and furthermore, the special wrench is not easy to manufacture.
Description
Technical field
The utility model relates to mechanical parts and machine tool technical field, particularly has the bolt and nut and the special-purpose wrench for dismounting thereof of tamper function for general spanner.
Background technique
The bolt of existing strap bolt head generally is made of screw part and bolt head combination, offers thread on part or all surface of screw part; Bolt head is except the structure of the cup head turned on screw-driver, also having a kind of is generally all to be the polygon prism structure with various spanner, as have six prisms hexagon head bolt, have square toes, T bolt that four ribs are lived, the effect of these bolt heads all is to be back-up wrench, adjustable spanner is waled the bolt head outside, or allow Nei Sijiao, Nei Wujiao, an inner hexagon spanner inserting bolt blind hole and with the transmission of torque of spanner to bolt head, these bolts can adopt existing common tool to dismantle.And in the bolt of existing dismountable tamper, its removal tool special is made easily, and its antitheft effect of tearing open is had certain narrow limitation
Summary of the invention
The tamper bolt pair that the utility model provides and tamper bolt and nut and special spanner, it is to be solved to be the problem that the extracting tool of existing dismountable theftproof bolt nut is easy to make.
In order to address the above problem, the technical solution adopted in the utility model comprises:
Tamper bolt of the present utility model, have screw part and bolt head, described bolt head has by the stop part of end face and the compound with it clamping part of an end, the outer rim of this stop part maximum cross section is not less than described clamping part outer rim, described stop part is any in the middle of the cylindrical body, cone, Rotary-table, ball-crown body, and described clamping part is that the compound reeded multiedge cylinder in multiedge cylinder, side, the compound reeded cylindrical body in side, side are compounded with any in the middle of the multiedge cylinder of pit and the cylindrical body that the side is compounded with pit.
Tamper nut of the present utility model, by stop part be compounded in the clamping part of this stop part one end and constitute through this two-part tapped hole, the outer rim of described stop part maximum cross section is not less than the outer rim of described clamping part, described stop part is any in the middle of the cylindrical body, cone, Rotary-table, ball-crown body, and described clamping part is that the compound reeded multiedge cylinder in multiedge cylinder, side, the compound reeded cylindrical body in side, side are compounded with any in the middle of the multiedge cylinder of pit and the cylindrical body that the side is compounded with pit.
Tamper bolt pair of the present utility model has the tamper bolt and of a strap bolt head and screw part to be contained in tamper nut on the described screw part by tapped through hole, is coated with a bolt head guard shield that covers on described bolt head side and one in described screw part
Cover on the tamper nut guard shield of described tamper nut side; Described bolt head has by the stop part of end face and the compound with it folder of an end
Hold portion, the outer rim of this stop part maximum cross section is not less than described clamping part outer rim, described stop part is any in the middle of the cylindrical body, cone, Rotary-table, ball-crown body, and described clamping part is that the compound reeded multiedge cylinder in multiedge cylinder, side, the compound reeded cylindrical body in side, side are compounded with any in the middle of the multiedge cylinder of pit and the cylindrical body that the side is compounded with pit; Described tamper nut is by stop part and be compounded in the clamping part of this stop part one end and constitute through this two-part tapped hole, the outer rim of described stop part maximum cross section is not less than the outer rim of described clamping part, described stop part is any in the middle of the cylindrical body, cone, Rotary-table, ball-crown body, and described clamping part is that the compound reeded multiedge cylinder in multiedge cylinder, side, the compound reeded cylindrical body in side, side are compounded with any in the middle of the multiedge cylinder of pit and the cylindrical body that the side is compounded with pit; Have the gap between the stop part of described bolt head guard shield and described bolt head, have the gap between the stop part of described tamper nut guard shield and this tamper nut.
Special spanner of the present utility model, it has fixed block and movable grip block, described grip block has polylith, they are the petal form by hinge and are connected on the described fixed block, described each grip block is surrounded by a tubular termination, the stop part cavity that includes a clamping part cavity in this termination tube at least and be communicated with this clamping part cavity one end closing up under the state; Described clamping part cavity is that the compound reeded multiedge cylinder cavity in multiedge cylinder cavity, side, the compound reeded cylindrical cavity in side, side are compounded with any in the middle of the multiedge cylinder cavity of pit and the cylindrical cavity that the side is compounded with pit; Described stop part cavity is any in the middle of cylindrical cavity, cone cavity, Rotary-table cavity, the ball-crown body cavity; On the axis of described tubular termination, the maximum cross section outer rim of described stop part cavity is not less than the cross section outer rim of clamping part cavity.Their profile can be combined as column to the polylith grip block of above-mentioned special spanner under the state closing up, the part that is connected with described grip block in the described fixed block is also for column, is set with the open ring of a described grip block of constraint versatilely outside the cylindrical portion of described fixed block and described grip block.The fixed block of above-mentioned special spanner can have crank, also can be provided with handle hole, or is connected with handgrip.
Owing to adopted technique scheme, the utility model compared with prior art has following beneficial effect:
Description of drawings
Fig. 1 is the utility model tamper bolt embodiment one a plan view.
Fig. 2 is the utility model tamper bolt embodiment one a right elevation.
Fig. 3 is the utility model tamper bolt embodiment one a left view.
Fig. 4 is the utility model tamper nut embodiment one a plan view.
Fig. 5 is the utility model tamper nut embodiment one a right elevation.
Fig. 6 is the utility model tamper nut embodiment one a left view.
Fig. 7 is secondary embodiment's of the utility model tamper bolt a plan view.
Fig. 8 is the utility model special spanner embodiment's a plan view.
Fig. 9 is the utility model special spanner embodiment's a left view.
Figure 10 is the sectional view at A-A place among Fig. 8.
Figure 11 is the sectional view at B-B place among Fig. 8.
Figure 12 is the utility model tamper bolt embodiment two a plan view.
Figure 13 is the utility model tamper bolt embodiment two a right elevation.
Figure 14 is the utility model tamper nut embodiment two a plan view.
Figure 15 is the utility model tamper nut embodiment two a left view.
Figure 16 is the utility model tamper bolt embodiment three a plan view.
Figure 17 is the utility model tamper bolt embodiment three a right elevation.
Figure 18 is the utility model tamper nut embodiment three a plan view.
Figure 19 is the utility model tamper nut embodiment three a left view.
Figure 20 is the utility model tamper bolt embodiment four a plan view.
Figure 21 is the utility model tamper bolt embodiment four a right elevation.
Figure 22 is the utility model tamper nut embodiment four a plan view.
Figure 23 is the utility model tamper nut embodiment four a left view.
Figure 24 is the utility model tamper bolt embodiment five a plan view.
Figure 25 is the utility model tamper bolt embodiment five a right elevation.
Embodiment
Fig. 1, Fig. 2 and shown in Figure 3, tamper bolt of the present utility model, has the compound formation of screw part 3 and bolt head, bolt head constitutes by stop part 1 and clamping part 2 are compound again, the compound hex head bolt that in fact is equivalent to prior art of its clamping part 2 and screw part 3, stop part 1 is a cylindrical shape, and clamping part 2 is the hexagonal prism shape, and the outer rim of stop part 1 cross section equals clamping part 2 outer rims.
Fig. 4, Fig. 5 and tamper nut of the present utility model shown in Figure 6, by stop part 5 and stop part 5 left ends compound clamping part 4 and constitute through the tapped hole at this two-part center.Stop part 5 sides are the cylndrical surface, and clamping part 4 outer side surfaces are six prismatic surfaces, and the outer rim of stop part 5 equals the outer rim of described clamping part 4.
Shown in Figure 7, the utility model tamper bolt pair is constituted by bolt head guard shield 6, tamper bolt 7, tamper nut guard shield 8 and tamper nut 9.One end of bolt head guard shield 6 is provided with through hole, bolt head guard shield 6 is installed on the screw part of tamper bolt 7 by this through hole, bolt head guard shield 6 covers on outside the bolt head side of tamper bolt 7, explanation among the structure of tamper bolt 7 such as above-mentioned Fig. 1 to Fig. 3 leaves the gap that is used to insert the special spanner grip block between the stop part of bolt head guard shield 6 and tamper bolt 7 bolt heads.One end of tamper nut guard shield 8 is provided with through hole, and tamper nut guard shield 8 is installed on the screw part of tamper bolt 7 by this through hole
, tamper nut guard shield 8 covers on outside tamper nut 9 sides, and the explanation among the structure of tamper nut 9 such as above-mentioned Fig. 4 to Fig. 6 leaves the gap that is used to insert the special spanner grip block between tamper nut guard shield 8 and the tamper nut 9.
Fig. 8 is to shown in Figure 11, it is the special spanner that is exclusively used in above-mentioned tamper bolt of dismounting and tamper nut, it has three grip blocks 10, three grip blocks 10 are the petal form by hinge 12 and are connected on the fixed block 13, be at three grip blocks 10 and close up under the state, they are surrounded by a tubular termination, in this termination tube from port toward interior be the clamping part cavity of a hexagonal prism, a stop part cavity successively than large cylinder, less cylindrical cavity, a cone cavity that forms in manufacturing process that in use is used for holding the screw part of bolt.The cross section outer rim of stop part cavity equals the cross section outer rim of clamping part cavity.Be at three grip blocks 10 and close up under the state, the profile of its right-hand member is combined as a column, be set with a constraint grip block 10 open rings 11 in their outside, the profile of fixed block 13 also is a column, ring 11 can slippage to the surface of fixed block 13, grip block 10 can be opened, and fixed block 13 is provided with the handle hole that is used to install handgrip.
Figure 12, tamper bolt of the present utility model shown in Figure 13, constitute by screw part 15 and bolt head 14 are compound, bolt head 14 constitutes by the compound reeded cylindrical clamping part of stop part and side of ball-crown body is compound again, and the outer rim of the maximum cross section of ball-crown body stop part equals the maximum outer rim of clamping part.
Figure 14, tamper nut of the present utility model shown in Figure 15, except that the center had a tapped through hole, the bolt head of its form structure and Figure 12, tamper bolt shown in Figure 13 was identical.
Figure 16, tamper bolt of the present utility model shown in Figure 17, constitute by screw part 17 and bolt head 16 are compound, bolt head 16 is compounded with by cylindrical stop part and side again that the cylindrical body clamping part of spherical pit is compound to be constituted, and the cylinder diameter of stop part is identical with the cylinder diameter of clamping part.
Figure 18, tamper nut of the present utility model shown in Figure 19, except that the center had a tapped through hole, the bolt head of its form structure and Figure 16, tamper bolt shown in Figure 17 was identical.
Figure 20, tamper bolt of the present utility model shown in Figure 21, constitute by screw part 19 and bolt head 18 are compound, bolt head 18 constitutes by the compound reeded cylindrical body clamping part of cylindrical stop part and side is compound again, and the cylinder diameter of stop part is identical with the cylinder diameter of clamping part.
Figure 22, tamper nut of the present utility model shown in Figure 23, except that the center had a tapped through hole, the bolt head of its form structure and figure Figure 20, tamper bolt shown in Figure 21 was identical.
Figure 24, tamper bolt of the present utility model shown in Figure 25, have screw part 21 and bolt head 20 compound formations, the cylindrical clamping part that bolt head 20 is compounded with protruding key by the stop part and the side of ball-crown body again is compound to be constituted, and the diameter of the ball-crown body biggest place of stop part just in time blocks the outer rim of two protruding keys.
Claims (8)
1. tamper bolt pair, it is characterized in that: have the tamper bolt and of a strap bolt head and screw part to be contained in tamper nut on the described screw part, be coated with a bolt head guard shield and a tamper nut guard shield that covers on described tamper nut side that covers on described bolt head side in described screw part by tapped through hole; Described bolt head has by the stop part of end face and the compound with it clamping part of an end, the outer rim of this stop part maximum cross section is not less than described clamping part outer rim, described stop part is any in the middle of the cylindrical body, cone, Rotary-table, ball-crown body, and described clamping part is that the compound reeded multiedge cylinder in multiedge cylinder, side, the compound reeded cylindrical body in side, side are compounded with any in the middle of the multiedge cylinder of pit and the cylindrical body that the side is compounded with pit; Described tamper nut is by stop part and be compounded in the clamping part of this stop part one end and constitute through this two-part tapped hole, the outer rim of described stop part maximum cross section is not less than the outer rim of described clamping part, described stop part is any in the middle of the cylindrical body, cone, Rotary-table, ball-crown body, and described clamping part is that the compound reeded multiedge cylinder in multiedge cylinder, side, the compound reeded cylindrical body in side, side are compounded with any in the middle of the multiedge cylinder of pit and the cylindrical body that the side is compounded with pit; Have the gap between the stop part of described bolt head guard shield and described bolt head, have the gap between the stop part of described tamper nut guard shield and this tamper nut.
2. tamper bolt, have screw part and bolt head, it is characterized in that: described bolt head has by the stop part of end face and the compound with it clamping part of an end, the outer rim of this stop part maximum cross section is not less than described clamping part outer rim, described stop part is any in the middle of the cylindrical body, cone, Rotary-table, ball-crown body, and described clamping part is that the compound reeded multiedge cylinder in multiedge cylinder, side, the compound reeded cylindrical body in side, side are compounded with any in the middle of the multiedge cylinder of pit and the cylindrical body that the side is compounded with pit.
3. tamper nut, it is characterized in that: by stop part be compounded in the clamping part of this stop part one end and constitute through this two-part tapped hole, the outer rim of described stop part maximum cross section is not less than the outer rim of described clamping part, described stop part is any in the middle of the cylindrical body, cone, Rotary-table, ball-crown body, and described clamping part is that the compound reeded multiedge cylinder in multiedge cylinder, side, the compound reeded cylindrical body in side, side are compounded with any in the middle of the multiedge cylinder of pit and the cylindrical body that the side is compounded with pit.
4. special spanner, it has fixed block and movable grip block, it is characterized in that: described grip block has polylith, they are connected on the described fixed block by hinge, described each grip block is surrounded by a tubular termination, the stop part cavity that includes a clamping part cavity in this termination tube at least and be communicated with this clamping part cavity one end closing up under the state; Described clamping part cavity is that the compound reeded multiedge cylinder cavity in multiedge cylinder cavity, side, the compound reeded cylindrical cavity in side, side are compounded with any in the middle of the multiedge cylinder cavity of pit and the cylindrical cavity that the side is compounded with pit; Described stop part cavity is any in the middle of cylindrical cavity, cone cavity, Rotary-table cavity, the ball-crown body cavity; On the axis of described tubular termination, the maximum cross section outer rim of described stop part cavity is not less than the cross section outer rim of clamping part cavity.
5. special spanner according to claim 4, it is characterized in that: their profile is combined as column to described polylith grip block under the state closing up, the part that is connected with described grip block in the described fixed block is a column, is set with the open ring of a described grip block of constraint outside the cylindrical portion of described fixed block and described grip block versatilely.
6. according to claim 4 or 5 described special spanners, it is characterized in that: described fixed block is provided with handle hole.
7. according to claim 4 or 5 described special spanners, it is characterized in that: described fixed block has crank.
8. according to claim 4 or 5 described special spanners, it is characterized in that: described fixed block is connected with handgrip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202010499U CN201149028Y (en) | 2007-09-20 | 2007-09-20 | Anti-dismounting bolt pair, anti-dismounting bolt nut thereof, and special-purpose wrench thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202010499U CN201149028Y (en) | 2007-09-20 | 2007-09-20 | Anti-dismounting bolt pair, anti-dismounting bolt nut thereof, and special-purpose wrench thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201149028Y true CN201149028Y (en) | 2008-11-12 |
Family
ID=40116796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007202010499U Expired - Fee Related CN201149028Y (en) | 2007-09-20 | 2007-09-20 | Anti-dismounting bolt pair, anti-dismounting bolt nut thereof, and special-purpose wrench thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201149028Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590811A (en) * | 2014-10-23 | 2016-05-18 | 苏州市吴中区欣鑫开关配件厂 | Connection flange used for high-voltage breaker and processing method thereof |
| CN109838447A (en) * | 2019-01-30 | 2019-06-04 | 胡伟明 | Multifunctional integrated device and its installation tool based on communication pipe anti-theft |
-
2007
- 2007-09-20 CN CNU2007202010499U patent/CN201149028Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590811A (en) * | 2014-10-23 | 2016-05-18 | 苏州市吴中区欣鑫开关配件厂 | Connection flange used for high-voltage breaker and processing method thereof |
| CN109838447A (en) * | 2019-01-30 | 2019-06-04 | 胡伟明 | Multifunctional integrated device and its installation tool based on communication pipe anti-theft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20130920 |