CN202937581U - Bolt with slot in end - Google Patents
Bolt with slot in end Download PDFInfo
- Publication number
- CN202937581U CN202937581U CN 201220599564 CN201220599564U CN202937581U CN 202937581 U CN202937581 U CN 202937581U CN 201220599564 CN201220599564 CN 201220599564 CN 201220599564 U CN201220599564 U CN 201220599564U CN 202937581 U CN202937581 U CN 202937581U
- Authority
- CN
- China
- Prior art keywords
- bolt
- screw rod
- bolt head
- groove
- described screw
- 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.)
- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a bolt with a slot in one end. The bolt comprises a bolt rod and a bolt head which are connected together, wherein screw threads are distributed on a part or in the whole length of the bolt rod; the slot is formed in the bolt head; the axis of the bolt rod is taken as a symmetric axis of the slot; and the size and the shape of the slot are invariable from the opening to the bottom of the slot. The bolt is simple in structure and low in cost, is convenient and practical, and can eliminate potential safety hazards, such as fall injury and work injury caused by the factor that a person is tripped by a traditional bolt head.
Description
Technical field
The utility model relates to a kind of fastening piece and kit thereof, relates in particular to the termination slotting bolt.
Background technique
Walking is on the road limit, slowly be close to, take a broad view on lathe in equipment and all can see hexagon head bolt and square head bolt, they are the most frequently used fastening pieces that connect and fix, be widely used among industrial and agricultural production and people life, especially thick hexagon head bolt is used for fixing various device, lamppost, electric tower in large quantities, and it is first-class to be used for various big machineries.Its corner angle of the hexagon head of hexagon head bolt are clearly demarcated and sharp keen, and the thick hexagon head under road cowl lamp post makes the people trip sometimes, even with people's tumble injury; The thick hexagon head that the indoor and outdoor main equipment is close to may trip the people, causes industrial accident; Thick and sharp keen hexagon head on big machinery both may collide with operator's head and health bring potential safety hazard to production, also may cause very fearful accident.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of safe and reliable, convenient and practical termination slotting bolt.
For addressing the above problem, termination described in the utility model slotting bolt is characterized in that: it comprises screw rod and the bolt head that links together; Be distributed with screw thread on one section of described screw rod or whole length; Have groove on described bolt head; Described groove is take the axle of described screw rod as symmetry axis, and its size and shape is constant to bottom land from notch.
Described groove is single groove or multiple-grooved.
Described bolt head is an end of described screw rod, and described bolt head axially has described groove take the axle of described screw rod as symmetry axis from end face along described screw rod.
Described bolt head is the segment that is connected with described screw rod one end, axially has described groove take the axle of described screw rod as symmetry axis from spherical interior surface along described screw rod on this segment.
Described bolt head is the cylinder I that is connected with described screw rod one end, axially has described groove take the axle of described screw rod as symmetry axis from end face along described screw rod on this cylinder I; The length of described cylinder I is less than the length of described screw rod.
The dedicated spanner of termination as above slotting bolt comprises handle and the fixed block, the movable block that are connected with described handle; The front end of described handle is respectively equipped with rotating shaft, chute, and its end is provided with uropore; The bottom of described movable block is provided with tooth bar, and this tooth bar is located in described chute; Described rotating shaft is provided with band tooth regulating wheel, and this band tooth regulating wheel is provided with tooth; Described tooth bar is meshed with described tooth, it is characterized in that: respectively be provided with a cylinder II on described fixed block and described movable block, this cylinder II is corresponding to described fixed block, described movable block one by one.
The utility model compared with prior art has the following advantages:
1, in the utility model, bolt head is an end (cross-sectional diameter that is the bolt total length is constant) of screw rod, eliminated traditional thick bolt head, but the bolt precession to bolt head end face and fixation flush even under and do not appear, the people is tripped thereby eliminated the conventional bolt head potential safety hazard that causes tumble injury, industrial injury etc.
2, in the utility model, bolt head is in the situation of segment, and because segment does not have corner angle, and fixation is smooth-going transition to the bolt crown, the people tripped thereby eliminated the conventional bolt head potential safety hazard that causes tumble injury, industrial injury etc.
3, in the utility model, bolt head is in the situation of short cylinder, because short cylinder does not have wedge angle, thus smoother around bolt head, reduced the conventional bolt head and the people has been tripped the possibility that causes tumble injury, industrial injury etc.
4, the utility model is simple in structure, convenient and practical, with low cost.
Description of drawings
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is in the utility model
Embodiment 1Schematic diagram.
Fig. 2 is A-A shaft section figure in the utility model.
Fig. 3 is in the utility model
Embodiment 2Schematic diagram.
Fig. 4 is B-B shaft section figure in the utility model.
Fig. 5 is in the utility model
Embodiment 3Schematic diagram.
Fig. 6 is C-C shaft section figure in the utility model.
Fig. 7 is the plan view of spanner in the utility model.
Fig. 8 is the side view of spanner in the utility model.
In figure: 1-screw rod, 2-bolt head, 3-screw thread, 4-groove, 5-fixed block, 6-movable block, 7-rotating shaft 8-band tooth regulating wheel 9-cylinder II 10-handle 11-uropore 12-tooth bar 13-chute 14-tooth.
Embodiment
As shown in Fig. 1 ~ 6, the termination slotting bolt, it comprises screw rod 1 and the bolt head 2 that links together.Be distributed with screw thread 3 on one section of screw rod 1 or whole length; Have groove 4 on bolt head 2; Groove 4 is take the axle of screw rod 1 as symmetry axis, and its size and shape is constant to bottom land from notch.
Wherein: groove 4 is single groove or multiple-grooved.
As shown in Fig. 7 ~ 8, the dedicated spanner of paired hole, termination bolt comprises handle 10 and the fixed block 5 that is connected with handle 10, movable block 6.The front end of handle 10 is respectively equipped with rotating shaft 7, chute 13, and its end is provided with uropore 11; The bottom of movable block 6 is provided with tooth bar 12, and this tooth bar 12 is located in chute 13; Rotating shaft 7 is provided with band tooth regulating wheel 8, and this band tooth regulating wheel 8 is provided with tooth 14; Tooth bar 12 is meshed with tooth 14; Respectively be provided with a cylinder II 9 on fixed block 5 and movable block 6, this cylinder II 9 is corresponding to fixed block 5, movable block 6 one by one.
Utilize spanner in the utility model, by adjusting distance between two cylinder II 9 to adapt to the length of the groove 4 on bolt head 2, two cylinder II 9 are inserted in the groove 4 of bolt head 2, can the precession bolt to its bolt head 2 end faces and fixation flush even under and do not appear or unscrew bolt.
Utilize spanner in the utility model, by adjusting distance between two cylinder II 9 to adapt to the length of the groove 4 on bolt head 2, two cylinder II 9 are inserted in the groove 4 of bolt head 2, can precession or unscrew bolt.
Embodiment 3 The bolt head 2 cylinder I for being connected with screw rod 1 one ends axially has groove 4 take the axle of screw rod 1 as symmetry axis from end face along described screw rod 1 on this cylinder I; The length of cylinder I is less than the length of screw rod 1.
Utilize spanner in the utility model, by adjusting distance between two cylinder II 9 to adapt to the length of the groove 4 on bolt head 2, two cylinder II 9 are inserted in the groove 4 of bolt head 2, can precession or unscrew bolt.
Claims (5)
1. termination slotting bolt, it is characterized in that: it comprises screw rod (1) and the bolt head (2) that links together; Be distributed with screw thread (3) on one section of described screw rod (1) or whole length; Have groove (4) on described bolt head (2); Described groove (4) is take the axle of described screw rod (1) as symmetry axis, and its size and shape is constant to bottom land from notch.
2. termination as claimed in claim 1 slotting bolt, it is characterized in that: described groove (4) is single groove or multiple-grooved.
3. termination as claimed in claim 1 slotting bolt, it is characterized in that: described bolt head (2) is an end of described screw rod (1), and described bolt head (2) axially has described groove (4) take the axle of described screw rod (1) as symmetry axis from end face along described screw rod (1).
4. termination as claimed in claim 1 slotting bolt, it is characterized in that: described bolt head (2) is the segment that is connected with described screw rod (1) one end, axially has described groove (4) take the axle of described screw rod (1) as symmetry axis from spherical interior surface along described screw rod (1) on this segment.
5. termination as claimed in claim 1 slotting bolt, it is characterized in that: described bolt head (2) is the cylinder I that is connected with described screw rod (1) one end, axially has described groove (4) take the axle of described screw rod (1) as symmetry axis from end face along described screw rod (1) on this cylinder I; The length of described cylinder I is less than the length of described screw rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220599564 CN202937581U (en) | 2012-11-14 | 2012-11-14 | Bolt with slot in end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220599564 CN202937581U (en) | 2012-11-14 | 2012-11-14 | Bolt with slot in end |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320137931 Division CN203272379U (en) | 2012-11-14 | 2012-11-14 | Matched wrench for bolt provided with groove at end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202937581U true CN202937581U (en) | 2013-05-15 |
Family
ID=48321822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220599564 Expired - Fee Related CN202937581U (en) | 2012-11-14 | 2012-11-14 | Bolt with slot in end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202937581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807265A (en) * | 2012-11-14 | 2014-05-21 | 兰州大学 | End grooving bolt and spanner matched with same |
-
2012
- 2012-11-14 CN CN 201220599564 patent/CN202937581U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807265A (en) * | 2012-11-14 | 2014-05-21 | 兰州大学 | End grooving bolt and spanner matched with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20181114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |