CN218468027U - Pull-adjustable fastening bolt - Google Patents
Pull-adjustable fastening bolt Download PDFInfo
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- CN218468027U CN218468027U CN202222882807.5U CN202222882807U CN218468027U CN 218468027 U CN218468027 U CN 218468027U CN 202222882807 U CN202222882807 U CN 202222882807U CN 218468027 U CN218468027 U CN 218468027U
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- wall
- fixedly connected
- bolt
- connecting body
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Abstract
The utility model discloses a fastening bolt with adjustable pull relates to the fastener field. The technical scheme comprises the following steps: the connecting body, connecting body's bottom lateral wall fixedly connected with well core rod, connecting body's lateral wall slides and has cup jointed the bolt head, is provided with adjustment mechanism between connecting body and the bolt head, and well core rod's inner wall slides and is provided with the transfer line, and the top fixedly connected with transmission piece an of transfer line, well core rod's lateral wall has seted up the support mouth, and the inner wall that supports the mouth slides and is provided with the bracing piece, and the surface slip of bracing piece has cup jointed the spring. The utility model discloses, under driving medium, transmission piece an, transfer line and transmission piece b's cooperation, adjust pole an and adjust pole b can synchronous motion, adjust pole an and adjust pole b and drive external screw thread arc assembly plate horizontal migration, six external screw thread arc assembly plate synchronous motion, the pitch diameter of bolt changes, makes the pitch diameter of bolt can adjust according to the screw on the equipment, has improved the application scope of bolt.
Description
Technical Field
The utility model relates to a fastener technical field especially relates to a fastening bolt with adjustable pull.
Background
The bolt is composed of a head part and a screw rod, and can be matched with a nut to fasten and connect two parts with through holes.
The existing fastening bolt is simple in structure and single in functionality, can only be matched with a nut or a screw hole of a corresponding specification, cannot adjust the diameter of the bolt according to actual requirements, and is small in application range and low in practicability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect that the screw diameter cannot be adjusted in the prior art and providing a pull-adjustable fastening bolt.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pull-out adjustable fastening bolt comprises a connecting main body, wherein a bottom end side wall of the connecting main body is fixedly connected with a central rod, an adjusting mechanism is arranged between the connecting main body and a bolt head, the bolt head is in sliding sleeve joint with the surface of the connecting main body, the inner wall of the central rod is provided with a transmission rod in a sliding manner, the top of the transmission rod is fixedly connected with a transmission block a, the side wall of the central rod is provided with a support port, the inner wall of the support port is provided with a support rod in a sliding manner, the surface of the support rod is in sliding sleeve joint with a spring, the other end, away from the central rod, of the support rod is fixedly connected with an external thread arc assembling plate, the side wall of the external thread arc assembling plate is fixedly connected with an adjusting rod a, the other end, away from the transmission block a, of the transmission rod is fixedly connected with a transmission block b, and the side wall of the external thread arc assembling plate is fixedly connected with an adjusting rod b;
adjust pole a and keep away from the other end of external screw thread arc pilot plate and run through well core rod and extend to well core rod's inner wall, adjust pole b and keep away from the other end of external screw thread arc pilot plate and run through well core rod and extend to well core rod's inner wall, adjust pole a and keep away from the other end of external screw thread arc pilot plate and drive block an's sliding surface connection, adjust pole b and keep away from the other end of external screw thread arc pilot plate and drive block b's sliding surface connection, the inside of connecting the main part is provided with the driving medium.
The above technical solution further comprises:
the driving medium sets up the inside handle at the joint main part including rotating, the surface of driving block a is provided with the screw thread, the inner wall fixedly connected with nut of handle, the nut screw thread cup joints on the surface of driving block a, the arc breach has been seted up to the lateral wall of joint main part.
The top end side wall of the transmission block a is provided with a square groove, the inner wall of the connecting body is fixedly connected with a quadrangular prism, and the inner wall of the square groove is connected with the surface of the quadrangular prism in a sliding mode.
The adjusting mechanism is including rotating the dwang that sets up at the bolt head inside, the bottom fixedly connected with threaded rod of dwang, the top lateral wall of connecting the main part sets up threaded hole, the inner wall and the threaded rod threaded connection of screw hole.
The connecting device is characterized in that a sliding hole is formed in the side wall of the top end of the connecting body, a sliding rod is fixedly connected to the inner wall of the rotating rod, and the inner wall of the sliding hole is connected with the sliding rod in a sliding mode.
The other end of the rotating rod, which is far away from the threaded rod, is provided with a tool groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, under driving medium, transmission piece an, transfer line and transmission piece b's cooperation, adjust pole an and adjust pole b can synchronous motion, adjust pole an and adjust pole b and drive external screw thread arc assembly plate horizontal migration, six external screw thread arc assembly plate synchronous motion, the pitch diameter of bolt changes, makes the pitch diameter of bolt can adjust according to the screw on the equipment, has improved the application scope of bolt.
2. The utility model discloses in, through the cooperation of dwang, threaded rod and screw hole, make the bolt head slide in connecting the main part, distance between adjustment bolt head and the main part of connection makes the whole length of bolt increase, makes the bolt can with darker screw hole fastening connection, has further improved the application scope of bolt.
Drawings
Fig. 1 is a perspective view of a pull-adjustable fastening bolt provided by the present invention;
fig. 2 is a bottom view of the pull-adjustable fastening bolt of the present invention;
fig. 3 is a top view of a pull-adjustable fastening bolt according to the present invention;
fig. 4 is a schematic structural view of a pull-adjustable fastening bolt provided by the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is an enlarged view of the structure at B in FIG. 4;
fig. 7 is a cross-sectional view of a pull-adjustable fastening bolt according to the present invention;
FIG. 8 is an enlarged view of the structure at C in FIG. 7;
fig. 9 is a partial sectional view of a pull-adjustable fastening bolt according to the present invention.
In the figure: 1. a connecting body; 2. a center pole; 3. a transmission rod; 4. a transmission block a; 5. a support bar; 6. an external thread arc-shaped assembling plate; 7. a spring; 8. adjusting a rod a; 9. a transmission block b; 10. adjusting a rod b; 11. a handle; 12. a quadrangular prism; 13. an arc-shaped notch; 14. a bolt head; 15. rotating the rod; 16. a threaded rod; 17. a slide bar; 18. and a nut.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-9, the utility model provides a fastening bolt with adjustable pull, including connecting main body 1, the bottom lateral wall of connecting main body 1 is fixedly connected with center rod 2, center rod 2 is hexagonal prism, the cross-sectional view of center rod 2 is regular hexagon, is provided with adjustment mechanism between connecting main body 1 and bolt head 14, bolt head 14 slides and cup joints on the surface of connecting main body 1, adjustment mechanism links together connecting main body 1 and bolt head 14;
a transmission rod 3 is arranged on the inner wall of the central rod 2 in a sliding manner, and the transmission rod 3 is a round rod; the top of the transmission rod 3 is fixedly connected with a transmission block a4, the side wall of the central rod 2 is provided with support ports, six support ports are arranged at the same height of the central rod 2, the inner wall of each support port is provided with a support rod 5 in a sliding manner, the surface of each support rod 5 is sleeved with a spring 7 in a sliding manner, one end of each spring 7 is fixedly connected with the inside of the central rod 2, and the other end of each spring 7 is fixedly connected with the support rod 5;
the other end, far away from the central rod 2, of the support rod 5 is fixedly connected with an external thread arc-shaped assembling plate 6, the six external thread arc-shaped assembling plates 6 are uniformly distributed around the central rod 2, the side wall of the external thread arc-shaped assembling plate 6 is fixedly connected with an adjusting rod a8, the other end, far away from the transmission block a4, of the transmission rod 3 is fixedly connected with a transmission block b9, and the side wall of the external thread arc-shaped assembling plate 6 is fixedly connected with an adjusting rod b10;
it should be noted that 6 support rods 5 and 6 springs 7 form a set of support members, each support rod 5 corresponds to one spring 7, the support rods 5 in each set of support members are all on the same horizontal plane, the central rod 2 is provided with a plurality of sets of support members, the support rods 5 can bear a certain degree of resistance when moving under the action of the springs 7, and the stability of the bolt is improved under the action of the resistance;
the other end, far away from the external thread arc-shaped assembling plate 6, of the adjusting rod a8 penetrates through the central rod 2 and extends to the inner wall of the central rod 2, the adjusting rod a8 slides on the central rod 2, the other end, far away from the external thread arc-shaped assembling plate 6, of the adjusting rod b10 penetrates through the central rod 2 and extends to the inner wall of the central rod 2, the adjusting rod b10 slides on the central rod 2, the other end, far away from the external thread arc-shaped assembling plate 6, of the adjusting rod a8 is connected with the surface of the transmission block a4 in a sliding mode, the other end, far away from the external thread arc-shaped assembling plate 6, of the adjusting rod b10 is connected with the surface of the transmission block b9 in a sliding mode, and a transmission part is arranged inside the connecting body 1;
the driving medium sets up handle 11 in connecting body 1 inside including rotating, handle 11 is at 1 internal rotation of connecting body, the surface of transmission piece a4 is provided with the screw thread, the inner wall fixedly connected with nut 18 of handle 11, nut 18 screw thread cup joints the surface at transmission piece a4, arc breach 13 has been seted up to connecting body 1's lateral wall, arc breach 13's effect makes handle 11 expose, can manually stir handle 11, square groove has been seted up to the top lateral wall of transmission piece a4, connecting body 1's inner wall fixedly connected with quadrangular 12, the inner wall of square groove and quadrangular 12's surface sliding connection, square groove and quadrangular 12 cooperation, make transmission piece a4 can not rotate, transmission piece a4 can only slide on quadrangular 12.
The transmission block a4 and the transmission block b9 are both composed of a cylinder and a circular truncated cone, the circular truncated cone is fixedly arranged at the top of the cylinder, threads on the transmission block a4 are arranged on the cylindrical part of the transmission block a4, an adjusting rod a8 is in contact with the side wall of the circular truncated cone part of the transmission block a4, an adjusting rod b10 is in contact with the side wall of the circular truncated cone part of the transmission block b9, 6 adjusting rods a8 and b10 are arranged, the 6 adjusting rods a8 are uniformly distributed around the transmission block a4, and the 6 adjusting rods b10 are uniformly distributed around the transmission block b 9;
in the embodiment, when the external thread arc-shaped assembling plate 6 cannot be matched with a screw hole on a workpiece, the handle 11 is rotated, the nut 18 is driven by the handle 11 to rotate, the transmission block a4 is limited by the quadrangular prism 12, the transmission block a4 cannot rotate, the transmission block a4 moves downwards, the transmission block a4 drives the transmission rod 3 to move, the transmission rod 3 drives the transmission block b9 to move, the transmission block b9 extrudes the adjusting rod a8 while the transmission block a4 extrudes the adjusting rod a8, the adjusting rod a8 and the adjusting rod b10 synchronously move, the adjusting rod a8 and the adjusting rod b10 drive the external thread arc-shaped assembling plate 6 to horizontally move, the six external thread arc-shaped assembling plates 6 synchronously move, the thread diameter of the bolt changes, and the handle 11 stops rotating until the thread diameter of the bolt can be matched with the screw hole on the workpiece;
the in-process that external screw thread arc assembly panel 6 removed, external screw thread arc assembly panel 6 drives bracing piece 5 and removes, and bracing piece 5 oppresses spring 7, and spring 7 contracts.
The pitch diameter of bolt this moment is not minimum when needing to reduce the pitch diameter, and antiport handle 11, driving block a4 rebound, and driving block a4 reduces adjusting rod a 8's pressure, and driving block b9 reduces adjusting rod b 10's pressure, and spring 7 stretches, and spring 7 drives bracing piece 5 and removes, and bracing piece 5 drives external screw thread arc assembly plate 6 and removes, and external screw thread arc assembly plate 6 is close to well core rod 2, and the pitch diameter reduces.
Example two
As shown in fig. 7 to 9, based on the first embodiment, the adjusting mechanism includes a rotating rod 15 rotatably disposed inside the bolt head 14, a threaded rod 16 is fixedly connected to a bottom end of the rotating rod 15, the rotating rod 15 can drive the threaded rod 16 to rotate, a threaded hole is formed in a side wall of a top end of the connecting body 1, an inner wall of the threaded hole is in threaded connection with the threaded rod 16, a slide hole is formed in a side wall of the top end of the connecting body 1, a slide rod 17 is fixedly connected to an inner wall of the rotating rod 15, an inner wall of the slide hole is in sliding connection with the slide rod 17, a tool slot is formed in another end of the rotating rod 15, which is far away from the threaded rod 16, a tool can be inserted into the tool slot, the tool slot locks the tool, and the rotating tool can drive the rotating rod 15 to rotate, and the tool is a common hardware tool, which belongs to the prior art;
it should be noted that there are five slide holes, and there are also five slide bars 17, and one slide bar 17 corresponds to one slide hole, and five slide bars 17 and one threaded rod 16 are evenly distributed around quadrangular 12.
In this embodiment, insert the instrument with the instrument in the instrument groove, the instrument rotates, the instrument passes through the instrument groove and drives dwang 15 and rotate, dwang 15 drives threaded rod 16 and rotates, threaded rod 16 removes in the screw hole, threaded rod 16 drives dwang 15 and removes, dwang 15 drives bolt head 14 and removes, bolt head 14 slides on connecting body 1, the distance between adjusting bolt head 14 and the connecting body 1 makes the whole length of bolt increase, make the bolt can with darker screw hole fastening connection.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The drawing-adjustable fastening bolt comprises a connecting main body (1), and is characterized in that a bottom end side wall of the connecting main body (1) is fixedly connected with a central rod (2), an adjusting mechanism is arranged between the connecting main body (1) and a bolt head (14), the bolt head (14) is slidably sleeved on the surface of the connecting main body (1), the inner wall of the central rod (2) is slidably provided with a transmission rod (3), the top of the transmission rod (3) is fixedly connected with a transmission block a (4), the side wall of the central rod (2) is provided with a support port, the inner wall of the support port is slidably provided with a support rod (5), the surface of the support rod (5) is slidably sleeved with a spring (7), the other end, far away from the central rod (2), of the support rod (5) is fixedly connected with an external thread arc-shaped assembly plate (6), the side wall of the external thread arc-shaped assembly plate (6) is fixedly connected with an adjusting rod a (8), the other end, far away from the transmission block a (4), of the support rod (5) is fixedly connected with a transmission block b (9), and the side wall of the external thread arc-shaped assembly plate (6) is fixedly connected with an adjusting rod b (10);
adjust pole a (8) and keep away from the other end of external screw thread arc pilot plate (6) and run through well core rod (2) and extend to the inner wall of well core rod (2), adjust the other end that pole b (10) kept away from external screw thread arc pilot plate (6) and run through well core rod (2) and extend to the inner wall of well core rod (2), adjust pole a (8) and keep away from the other end of external screw thread arc pilot plate (6) and the sliding surface connection of transmission piece an (4), adjust pole b (10) and keep away from the other end of external screw thread arc pilot plate (6) and the sliding surface connection of transmission piece b (9), the inside of connecting body (1) is provided with the driving medium.
2. The pull-adjustable fastening bolt as claimed in claim 1, wherein the transmission element comprises a handle (11) rotatably disposed inside the connecting body (1), the surface of the transmission block a (4) is provided with threads, the inner wall of the handle (11) is fixedly connected with a nut (18), the nut (18) is in threaded connection with the surface of the transmission block a (4), and the side wall of the connecting body (1) is provided with an arc-shaped notch (13).
3. The pull-adjustable fastening bolt as claimed in claim 2, characterized in that the top side wall of the driving block a (4) is provided with a square groove, the inner wall of the connecting body (1) is fixedly connected with a quadrangular prism (12), and the inner wall of the square groove is connected with the surface of the quadrangular prism (12) in a sliding manner.
4. The adjustable drawing fastening bolt as claimed in claim 1, characterized in that the adjusting mechanism comprises a rotating rod (15) rotatably arranged inside the bolt head (14), a threaded rod (16) is fixedly connected to the bottom end of the rotating rod (15), a threaded hole is opened on the side wall of the top end of the connecting body (1), and the inner wall of the threaded hole is in threaded connection with the threaded rod (16).
5. A pull adjustable fastening bolt as claimed in claim 4, characterized in that the side wall of the top end of the connecting body (1) is provided with a slide hole, the inner wall of the rotating rod (15) is fixedly connected with a slide rod (17), and the inner wall of the slide hole is connected with the slide rod (17) in a sliding manner.
6. A draw adjustable fastening bolt as claimed in claim 4, characterized in that the other end of the swivelling lever (15) remote from the threaded shank (16) is provided with a tool groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222882807.5U CN218468027U (en) | 2022-10-31 | 2022-10-31 | Pull-adjustable fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222882807.5U CN218468027U (en) | 2022-10-31 | 2022-10-31 | Pull-adjustable fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218468027U true CN218468027U (en) | 2023-02-10 |
Family
ID=85149211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222882807.5U Active CN218468027U (en) | 2022-10-31 | 2022-10-31 | Pull-adjustable fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218468027U (en) |
-
2022
- 2022-10-31 CN CN202222882807.5U patent/CN218468027U/en active Active
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