CN211174961U - Anti-lost bolt structure and coupler protective cover with same - Google Patents
Anti-lost bolt structure and coupler protective cover with same Download PDFInfo
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- CN211174961U CN211174961U CN201921891754.5U CN201921891754U CN211174961U CN 211174961 U CN211174961 U CN 211174961U CN 201921891754 U CN201921891754 U CN 201921891754U CN 211174961 U CN211174961 U CN 211174961U
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- fixing bolt
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Abstract
The utility model relates to a prevent losing bolt structure and have this prevent losing bolt structure's shaft coupling safety cover, its prevent losing bolt structure includes fixing bolt and fixation nut, and fixing bolt's head is equipped with the connecting piece perpendicularly. Its shaft coupling safety cover includes the safety cover body that is enclosed by half first cover and half second cover, the junction of half first cover and half second cover is fixed through preventing losing bolt structure, the junction of half first cover is equipped with the activity groove, the same position of the both sides wall in activity groove is equipped with the movable hole, the junction of half second cover is equipped with the breach groove, the connecting piece rotates and installs in the movable hole, the movable groove is arranged in to fixing bolt's head, the middle part can change over to or roll out the breach groove, fixation nut is located the outside of half second cover. The bolt structure adopts the design of not dropping off, in installation and dismantlement in-process, only needs to unscrew or screw up fixation nut promptly, need not to dismantle fixation nut from fixation bolt, has effectively solved in the dismouting in-process, and the nut easily omits the risk that drops.
Description
Technical Field
The utility model relates to a workpiece mounting technical field especially relates to an anti-lost bolt structure and have this anti-lost bolt structure's shaft coupling safety cover.
Background
The coupler protective cover is of a semi-open structure, and joints are fixed through bolts and nuts and are large in number. When the operations such as centering debugging or maintenance and repair are carried out, potential safety hazards such as missing of bolts and nuts or falling into a housing are easy to occur in the process of detaching the coupler protective cover.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a simple and compact structure, anti-lost bolt structure that is difficult for dropping and shaft coupling safety cover that has this anti-lost bolt structure.
The technical proposal of the utility model for solving the technical problem is that: an anti-lost bolt structure comprises a fixing bolt and a fixing nut matched with the tail of the fixing bolt, wherein a connecting piece is vertically arranged at the head of the fixing bolt.
Preferably, the head of the fixing bolt is provided with a through hole, and the connecting piece is arranged in the through hole in a penetrating mode.
Preferably, the connecting member includes a connecting bolt and a connecting nut fitted to a tail portion of the connecting bolt, and the connecting bolt is inserted into the through hole.
Preferably, the connecting member is integrally formed with the head of the fixing bolt.
The utility model also provides a coupler protective cover, which comprises a protective cover body enclosed by a first half cover and a second half cover, the joint of the first half cover and the second half cover is fixed through an anti-lost bolt structure, the anti-lost bolt structure comprises a fixing bolt and a fixing nut matched on the tail part of the fixing bolt, the head of the fixing bolt is vertically provided with a connecting piece, the joint of the first half cover is provided with a movable groove, the same positions of the two side walls of the movable groove are provided with movable holes, the joint of the second half cover is provided with a gap groove which is opposite to the movable groove and is provided with an opening, the head of the fixing bolt is arranged in the movable groove, the connecting piece is rotatably arranged in the movable hole, the middle part of the fixing bolt can be rotated into or out of the notch groove through the opening of the notch groove, the fixing nut is matched on the tail part of the fixing bolt and is positioned on the outer side of the second half cover.
Preferably, the head of the fixing bolt is provided with a through hole, and the connecting piece is arranged in the through hole in a penetrating mode.
Preferably, the connecting member includes a connecting bolt and a connecting nut fitted on a tail portion of the connecting bolt, and the connecting bolt is inserted into the through hole.
Preferably, the connecting member is integrally formed with the head of the fixing bolt.
Preferably, the movable hole is circular or U-shaped with an opening.
Preferably, a first flanging is formed at the joint of the first half cover, a second flanging attached to the first flanging is formed at the joint of the second half cover, the second flanging is provided with the notch groove, two vertical plates vertically extend from the positions, opposite to the notch groove, of the first flanging, the movable groove is formed between the two vertical plates, and the movable holes are formed in the same positions of the two vertical plates.
The beneficial effects of the utility model reside in that: the bolt structure adopts the design of not dropping off, in installation and dismantlement in-process, only needs to unscrew or screw up fixation nut promptly, need not to dismantle fixation nut from fixation bolt, has effectively solved in the dismouting in-process, and the nut easily omits the risk that drops.
Drawings
Fig. 1 is a perspective view of the anti-lost bolt structure of the present invention.
Fig. 2 is an explosion diagram of the anti-lost bolt structure of the present invention.
Fig. 3 is a perspective view of the coupling protection cover of the present invention.
Fig. 4 is an exploded view of the coupling shield of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, the anti-lost bolt structure comprises a fixing bolt 1 and a fixing nut 2 matched with the tail of the fixing bolt, wherein a connecting piece is vertically arranged at the head of the fixing bolt. The connecting piece can be designed with the fixing bolt in a split manner: the head of the fixing bolt 1 is provided with a through hole 13, the connecting piece is arranged in the through hole 13 in a penetrating mode, the connecting piece comprises a connecting bolt 3 and a connecting nut 4 matched with the tail of the connecting bolt, and the connecting bolt 3 is arranged in the through hole 13 in a penetrating mode. The connection piece can also be designed integrally with the fixing bolt 1: the connecting piece with the head of fixing bolt 1 integrated into one piece, the connecting piece is the pivot of outside perpendicular extension from the both sides of fixing bolt's head.
The utility model discloses an anti-lost bolt structure generally is used for connecting between two components fixedly, the activity groove has on the first component, be provided with the movable hole on the both sides wall in activity groove, the breach groove relative with the activity groove has on the second component, one side opening in breach groove, during the activity groove is arranged in to fixing bolt 1's head, connecting piece on fixing bolt 1's head rotates and installs in the activity hole, thereby fixing bolt 1 rotates in the activity hole through the connecting piece and can rotate in the activity groove, when fixed, fixing bolt 1's middle part changes over to the breach groove through the opening into, screw up the fixation nut 2 that is located fixing bolt afterbody department, fixation nut 2 hugs closely on the second component, thereby it is fixed with the second component connection to make first component. When dismantling, unscrew fixation nut 2, need not to unscrew fixation nut 2 from fixation bolt 1, then make fixation bolt 1's middle part roll out breach groove, can separate first component and second component, not only the installation is convenient fast with the dismantlement, has effectively solved moreover at the dismouting in-process, and the nut easily omits the risk that drops.
Referring to fig. 3 and 4, the present invention further provides a coupler protecting cover, which comprises a protecting cover body enclosed by a first half cover 5 and a second half cover 6, wherein the joint of the first half cover and the second half cover is fixed by an anti-lost bolt structure, the anti-lost bolt structure comprises a fixing bolt 1 and a fixing nut 2 matched with the tail of the fixing bolt, the head of the fixing bolt is vertically provided with a connecting piece, the joint of the first half cover 5 is provided with a movable groove 7, the same position of the two side walls of the movable groove is provided with a movable hole 8, the joint of the second half cover 6 is provided with a notch groove 9 opposite to the movable groove and provided with an opening, the head of the fixing bolt 1 is arranged in the movable groove 7, the connecting piece is rotatably installed in the movable hole 8, the middle part of the fixing bolt 1 can be rotated into or rotated out of the opening of the notch groove 9, the fixing nut 2 is matched on the tail part of the fixing bolt 1 and is positioned on the outer side of the second half cover 6.
The utility model discloses when using, thereby fixing bolt 1 passes through the connecting piece and rotates in activity hole 8 and can rotate in activity groove 7, and fixing bolt 1's middle part is passed over to the breach groove 9 through the opening, screws up fixation nut 2, and fixation nut tightly 2 pastes on half cover 6 of second to it is fixed to cover 5 and half cover 6 of second with first. When dismantling, unscrew fixation nut 2, need not to unscrew fixation nut 2 from fixation bolt 1, then make fixation bolt 1's middle part roll out breach groove 9, can separate first half cover 5 and second half cover 6, not only the installation is convenient fast with the dismantlement, has effectively solved moreover at the dismouting in-process, and the nut easily omits the risk that drops.
The connecting piece can be designed with the fixing bolt in a split manner: the head of the fixing bolt 1 is provided with a through hole 13, the connecting piece is arranged in the through hole 13 in a penetrating mode, the connecting piece comprises a connecting bolt 3 and a connecting nut 4 matched with the tail of the connecting bolt, and the connecting bolt is arranged in the through hole 13 in a penetrating mode. In this case, the movable hole 8 may be configured to be circular, and in use, the tail of the connecting bolt 3 passes through the movable hole 8 on one side and then passes through the through hole 13, and then the connecting nut 4 is fixed after passing through the movable hole 8 on the other side, so that the head of the fixing bolt 1 is rotatably mounted in the movable groove 7.
The connecting piece can also be designed integrally with the fixing bolt: the connecting piece with the head of fixing bolt 1 integrated into one piece, the connecting piece is the pivot of outside perpendicular extension from the both sides of fixing bolt's head. In this case, the movable hole 8 is formed in a U shape having an opening, and is generally formed with the opening facing upward. When in use, two ends of the connecting piece are directly placed in the movable holes 8.
Preferably, a first flanging 10 is formed at the joint of the first half cover 5, a second flanging 11 attached to the first flanging is formed at the joint of the second half cover 6, the second flanging is provided with the notch groove 9, two vertical plates 12 vertically extend from the first flanging 10 at positions opposite to the notch groove, the movable groove 7 is formed between the two vertical plates 12, and the movable holes 8 are formed at the same positions of the two vertical plates, so that the structure is reasonable.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an anti-lost bolt structure, includes fixing bolt and the fixation nut of cooperation on this fixing bolt's afterbody, its characterized in that: the head of the fixing bolt is vertically provided with a connecting piece;
the head of the fixing bolt is provided with a through hole, and the connecting piece is arranged in the through hole in a penetrating manner;
the connecting piece comprises a connecting bolt and a connecting nut matched with the tail of the connecting bolt, and the connecting bolt penetrates through the through hole.
2. The anti-lost bolt structure according to claim 1, characterized in that: the connecting piece and the head of the fixing bolt are integrally formed.
3. The utility model provides a coupling safety cover, includes the safety cover body that is enclosed by first half cover and second half cover, its characterized in that: the anti-lost device comprises a first half cover, a second half cover, an anti-lost bolt structure, a connecting piece, a movable groove, a movable hole, a notch groove, a through hole and a connecting piece, wherein the connecting part of the first half cover and the second half cover is fixed through the anti-lost bolt structure, the anti-lost bolt structure comprises a fixing bolt and a fixing nut matched on the tail part of the fixing bolt, the head part of the fixing bolt is vertically provided with the connecting piece, the connecting part of the first half cover is provided with the movable groove, the same positions of two side walls of the movable groove are provided with the movable hole, the connecting part of the second half cover is provided with the notch groove opposite to the movable groove and provided with an opening, the head part of the fixing bolt is arranged in the movable groove, the connecting piece is rotatably arranged in the movable hole, the middle part of the fixing bolt can be rotated into or rotated out of the notch groove through the opening of the notch groove, the fixing, the connecting piece comprises a connecting bolt and a connecting nut matched with the tail part of the connecting bolt, and the connecting bolt penetrates through the through hole.
4. The coupling boot of claim 3, wherein: the connecting piece and the head of the fixing bolt are integrally formed.
5. The coupling boot of claim 3, wherein: the movable hole is round or U-shaped with an opening.
6. The coupling boot of claim 3, wherein: the first half cover is provided with a first flange at the joint, the second half cover is provided with a second flange jointed with the first flange at the joint, the second flange is provided with the notch groove, the first flange is vertically extended with two vertical plates at the position opposite to the notch groove, the movable groove is formed between the two vertical plates, and the movable holes are arranged at the same position of the two vertical plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921891754.5U CN211174961U (en) | 2019-11-05 | 2019-11-05 | Anti-lost bolt structure and coupler protective cover with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921891754.5U CN211174961U (en) | 2019-11-05 | 2019-11-05 | Anti-lost bolt structure and coupler protective cover with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174961U true CN211174961U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921891754.5U Active CN211174961U (en) | 2019-11-05 | 2019-11-05 | Anti-lost bolt structure and coupler protective cover with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685994A (en) * | 2019-11-05 | 2020-01-14 | 宁波德曼压缩机有限公司 | Anti-lost bolt structure and coupler protective cover with same |
| CN112238412A (en) * | 2020-10-11 | 2021-01-19 | 陈明明 | Screw when machine is repaiied or vapour is repaiied prevents losing or dislocation installation device |
-
2019
- 2019-11-05 CN CN201921891754.5U patent/CN211174961U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685994A (en) * | 2019-11-05 | 2020-01-14 | 宁波德曼压缩机有限公司 | Anti-lost bolt structure and coupler protective cover with same |
| CN112238412A (en) * | 2020-10-11 | 2021-01-19 | 陈明明 | Screw when machine is repaiied or vapour is repaiied prevents losing or dislocation installation device |
| CN112238412B (en) * | 2020-10-11 | 2022-07-08 | 杭州爱德旺斯驱动链科技服务有限公司 | Screw when machine is repaiied or vapour is repaiied prevents losing or dislocation installation device |
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