CN112682411A - Side pressure type locking bolt - Google Patents
Side pressure type locking bolt Download PDFInfo
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- CN112682411A CN112682411A CN202011620918.8A CN202011620918A CN112682411A CN 112682411 A CN112682411 A CN 112682411A CN 202011620918 A CN202011620918 A CN 202011620918A CN 112682411 A CN112682411 A CN 112682411A
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Abstract
The invention relates to a side pressure type locking bolt, and belongs to the technical field of bolts. The bolt comprises a bolt head, a bolt main body and a stud bolt, wherein two ends of the stud bolt are respectively connected with a pressing block through threads, and the thread turning directions of the two ends of the stud bolt are opposite; the bolt body end and the bolt head form sliding connection, a spring is arranged between the end face of the bolt body and the bottom wall of the mounting groove in the bolt head, the stud screws simultaneously penetrate through a first through hole in the bolt head and a second through hole in the bolt body, the pressing blocks are respectively arranged on two sides of the bolt body and form sliding fit with the first through holes, a first locking conical surface is arranged at the inner end of each pressing block, and a second locking conical surface matched with the first locking conical surface is arranged on the outer edge of each second through hole. According to the invention, through the side force-increasing locking mechanism, the same or even better locking effect can be obtained by using a smaller torque value, and the more convenient and faster dismounting effect can be realized.
Description
Technical Field
The invention relates to a side pressure type locking bolt, and belongs to the technical field of bolts.
Background
The bolt is used as a common connecting fastener and widely applied to various products in related industries such as machinery and the like. The common bolt is generally a fixed integral structure and comprises a bolt head and a bolt main body, wherein one end of the bolt main body is connected with the bolt head to form an integral structure. When the common bolt is used, a socket wrench is needed to enable the common bolt to be locked with great force, and the problem that time and labor are wasted when the bolt is disassembled is also caused. Especially in special products, the negative effects of these two disadvantages are even far greater than the economic benefits that they bring.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the side pressure type locking bolt is easy to lock and disassemble.
In order to solve the technical problems, the invention adopts the technical scheme that: the side-pressure type locking bolt comprises a bolt head and a bolt main body, wherein one end of the bolt main body is connected with the bolt head, the side-pressure type locking bolt also comprises a double-headed screw, two ends of the double-headed screw are respectively connected with a pressing block through threads, and the thread directions of the two ends of the double-headed screw are opposite; the bolt head is provided with a mounting groove matched with the end part of the bolt main body, the end part of the bolt main body is in sliding connection with the bolt head, the sliding direction of the bolt main body relative to the bolt head is consistent with the axial direction of the bolt main body, a spring is arranged between the end surface of the bolt main body and the bottom wall of the mounting groove on the bolt head, and the axial direction of the spring is consistent with the axial direction of the bolt main body; the bolt head is provided with a first through hole which is arranged along the radial direction of the bolt head, one end of the bolt body, close to the bolt head, is provided with a second through hole which is arranged along the radial direction of the bolt body, the stud screws simultaneously penetrate through the first through hole and the second through hole, the pressing blocks are respectively arranged on two sides of the bolt body and are in sliding fit with the first through hole, and the pressing blocks can move along the axial direction of the first through hole by rotating the stud screws; the end, far away from the bolt head, of the bolt main body is a tail end of the bolt main body, a first locking conical surface is arranged at one side, facing the tail end of the bolt main body, of the inner end of the pressing block, and a second locking conical surface matched with the first locking conical surface is arranged on the outer edge of the second through hole.
Further, the method comprises the following steps: the side wall of the pressing block is provided with a limiting groove arranged in a strip shape, the length direction of the limiting groove is consistent with the axis direction of the first through hole, the position of the pressing block at the limiting groove is connected with the bolt head through a limiting pin, the axis of the limiting pin is perpendicular to the axis of the first through hole, the bolt head is provided with a pin hole matched with the limiting pin, and the inner end of the limiting pin is inserted into the limiting groove on the pressing block.
Further, the method comprises the following steps: the section of compact heap is circular, and first locking conical surface is the circular cone face.
The invention has the beneficial effects that: when the device is implemented, the stud bolt is rotated by using a small torque wrench on the side surface, so that the two pressing blocks can synchronously move inwards, the first locking conical surface applies locking force to the second locking conical surface, and the locking torque is reversely amplified into positive pressure applied to the binding surface; when the double-head bolt is disassembled, the double-head bolt can be reversely rotated only by using a small torque wrench. According to the invention, through the side force-increasing locking mechanism, the same or even better locking effect can be obtained by using a smaller torque value, and the more convenient and faster dismounting effect can be realized.
Drawings
Fig. 1 is a schematic diagram of an explosive structure of the present invention.
Fig. 2 is a schematic view of the assembled structure of the present invention.
Parts in the figures are labeled: the bolt comprises a bolt head 1, a spring 2, a pressing block 3, a limiting pin 4, a stud bolt 5 and a bolt body 6.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1 and 2, the bolt comprises a bolt head 1, a bolt body 6 and a stud screw 5, wherein one end of the bolt body 6 is connected with the bolt head 1, two ends of the stud screw 5 are respectively connected with a pressing block 3 through threads, and the thread directions of two ends of the stud screw 5 are opposite; the bolt head 1 is provided with a mounting groove matched with the end part of the bolt main body 6, the end part of the bolt main body 6 is in sliding connection with the bolt head 1, the sliding direction of the bolt main body 6 relative to the bolt head 1 is consistent with the axial direction of the bolt main body 6, a spring 2 is arranged between the end surface of the bolt main body 6 and the bottom wall of the mounting groove on the bolt head 1, the axial direction of the spring 2 is consistent with the axial direction of the bolt main body 6, and for convenience of assembly, spring assembling grooves can be usually arranged on the end surface of the bolt main body 6 and the bottom wall of the mounting groove on the bolt head 1; the bolt head 1 is provided with a first through hole arranged along the radial direction, one end of the bolt body 6 close to the bolt head 1 is provided with a second through hole arranged along the radial direction, the stud screw 5 simultaneously penetrates through the first through hole and the second through hole, the pressing block 3 is respectively arranged on two sides of the bolt body 6, the pressing block 3 and the first through hole form sliding fit, the pressing block 3 can move along the axial direction of the first through hole by rotating the stud screw 5, namely, the stud screw 5, the pressing block 3 and the first through hole are combined to form a screw rod slider kinematic pair; the end, far away from the bolt head 1, of the bolt body 6 is a bolt body tail end, one side, facing the bolt body tail end, of the inner end of the pressing block 3 is provided with a first locking conical surface, and the outer edge of the second through hole is provided with a second locking conical surface matched with the first locking conical surface.
In order to make the structure more reliable, the side wall of the compressing block 3 is provided with a limiting groove which is arranged in a strip shape, the length direction of the limiting groove is consistent with the axial direction of the first through hole, the strip-shaped groove can be designed into a kidney-shaped groove, the compressing block 3 is connected with the bolt head 1 at the position of the limiting groove through a limiting pin 4, the axial line of the limiting pin 4 is vertical to the axial line of the first through hole, the bolt head 1 is provided with a pin hole which is matched with the limiting pin 4, and the inner end of the limiting pin 4 is inserted into the limiting groove on the compressing block 3. The designed limiting groove can control the moving stroke of the pressing block 3, and when the end part of the limiting groove is in contact with the limiting pin 4, the pressing block 3 is indicated to move to the limiting position.
The section of the pressing block 3 can be a non-circular structure, such as a rectangular section, as long as the technical requirements of the screw rod and slide block kinematic pair are met. In addition, the first locking conical surface can be a planar inclined surface structure or a rotary conical surface structure, and the main function is to apply positive pressure to the second locking conical surface when the pressing block moves inwards to play a locking role. In order to make the structure simple and reliable and easy to process, the section of the pressing block 3 is designed to be circular, and the first locking conical surface is a conical surface.
When the invention is implemented, the specific working process is as follows: the stud bolt 5 is rotated by a corresponding wrench, the thread turning directions of two ends of the stud bolt 5 are opposite, under the blocking of the limit pin 4, the two pressing blocks 3 move outwards to the limit positions at the same time, at the moment, under the action of the spring 2, the bolt main body 6 moves outwards relative to the bolt head 1 until being blocked by the two pressing blocks 3, at the moment, the whole bolt is screwed into a workpiece until the whole bolt is manually screwed, then the stud bolt 5 is reversely rotated by using the recommended torque through the torque wrench, and the two pressing blocks 3 move inwards at the same time until contacting with the bolt main body 6 and realizing locking.
Claims (3)
1. Side pressure formula locking bolt, including bolt head (1) and bolt main part (6), the one end of bolt main part (6) is connected with bolt head (1), its characterized in that: the double-head screw is characterized by further comprising double-head screws (5), wherein two ends of each double-head screw (5) are respectively connected with a pressing block (3) through threads, and the thread turning directions of the two ends of each double-head screw (5) are opposite; the bolt head (1) is provided with a mounting groove matched with the end part of the bolt main body (6), the end part of the bolt main body (6) is in sliding connection with the bolt head (1), the sliding direction of the bolt main body (6) relative to the bolt head (1) is consistent with the axial direction of the bolt main body (6), a spring (2) is arranged between the end surface of the bolt body (6) and the bottom wall of the mounting groove in the bolt head (1), and the axial direction of the spring (2) is consistent with the axial direction of the bolt main body (6); the bolt head (1) is provided with a first through hole which is arranged along the radial direction of the bolt head, one end, close to the bolt head (1), of the bolt body (6) is provided with a second through hole which is arranged along the radial direction of the bolt body, the stud screw (5) penetrates through the first through hole and the second through hole simultaneously, the pressing blocks (3) are arranged on two sides of the bolt body (6) respectively, the pressing blocks (3) are in sliding fit with the first through hole, and the pressing blocks (3) can move along the axial direction of the first through hole by rotating the stud screw (5); one end, far away from the bolt head (1), of the bolt main body (6) is a bolt main body tail end, one side, facing the bolt main body tail end, of the inner end of the pressing block (3) is provided with a first locking conical surface, and the outer edge of the second through hole is provided with a second locking conical surface matched with the first locking conical surface.
2. The side pressure type lock bolt according to claim 1, characterized in that: the limiting groove that is the bar and arranges is seted up to the lateral wall of compact heap (3), the length direction of limiting groove is unanimous with the axis direction of first through-hole, compact heap (3) are connected through spacer pin (4) with bolt head (1) in the position of spacer groove place, the axis of spacer pin (4) is mutually perpendicular with the axis of first through-hole, be provided with the pinhole with spacer pin (4) looks adaptation on bolt head (1), the limiting groove on locating compact heap (3) is inserted to the inner of spacer pin (4).
3. The side pressure type lock bolt according to claim 2, wherein: the section of the pressing block (3) is circular, and the first locking conical surface is a conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011620918.8A CN112682411A (en) | 2020-12-31 | 2020-12-31 | Side pressure type locking bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011620918.8A CN112682411A (en) | 2020-12-31 | 2020-12-31 | Side pressure type locking bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112682411A true CN112682411A (en) | 2021-04-20 |
Family
ID=75453839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011620918.8A Pending CN112682411A (en) | 2020-12-31 | 2020-12-31 | Side pressure type locking bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112682411A (en) |
-
2020
- 2020-12-31 CN CN202011620918.8A patent/CN112682411A/en active Pending
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