CN215409701U - Internal connection type bolt convenient to connect - Google Patents
Internal connection type bolt convenient to connect Download PDFInfo
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- CN215409701U CN215409701U CN202121730060.0U CN202121730060U CN215409701U CN 215409701 U CN215409701 U CN 215409701U CN 202121730060 U CN202121730060 U CN 202121730060U CN 215409701 U CN215409701 U CN 215409701U
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- internal thread
- pipe
- thread pipe
- limiting plate
- bolt
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Abstract
The utility model discloses an internal connection type bolt convenient to connect, which comprises a circular ring, a first limiting plate, an internal thread pipe, a groove, a through hole, a straight plate, a second limiting plate and a circular pipe, wherein the edge of the lower end face of the circular ring is provided with a plurality of first limiting plates which are radially arranged, the lower end face of the circular ring is provided with the coaxial internal thread pipe, the major diameter of the internal thread pipe is the same as the inner diameter of the circular ring, the middle part of the inner wall of the internal thread pipe is provided with a plurality of grooves which are axially arranged, the bottom of the lower end of each groove is provided with a radially arranged through hole, the straight plate which is matched with the groove is arranged in the groove, the uppermost end of the straight plate is connected with the bottom of the groove, the plate surface of the straight plate, which is close to the axis of the internal thread pipe, is provided with a thread matched with the internal thread pipe, the lower end of the straight plate is provided with a second limiting plate which is radially arranged, and the second limiting plate extends out of the internal thread pipe from the corresponding through hole. Utility model discloses a lower terminal surface edge with the ring is equipped with the radial first limiting plate that sets up of a plurality of, can inject the position of inscription formula bolt when screwing up the bolt, prevents its rotation.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of connecting pieces, in particular to the technical field of an internal connection type bolt convenient to connect.
[ background of the utility model ]
The processing of screw thread needs to be carried out in workshop, and people in life are difficult to carry out field processing when needing the screw hole as the connection mode, and it is very easy to process a round hole, therefore, it is necessary to design an internal connection type bolt which is matched with the round hole and is convenient to connect.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides an internal connection type bolt convenient to connect, which can be matched with a round hole, the internal connection type bolt is installed in the round hole, the round hole realizes an indirect threaded connection mode through the internal connection type bolt, and the internal connection type bolt is convenient and firm to install.
In order to achieve the purpose, the utility model provides an internal connection type bolt convenient for connection, which comprises a circular ring, a first limiting plate, an internal threaded pipe, grooves, through holes, straight plates, a second limiting plate and a circular pipe, wherein the edge of the lower end surface of the circular ring is provided with a plurality of first limiting plates which are radially arranged, the lower end surface of the circular ring is provided with the coaxial internal threaded pipe, the major diameter of the internal threaded pipe is the same as the inner diameter of the circular ring, the middle part of the inner wall of the internal threaded pipe is provided with a plurality of axially arranged grooves, the bottom of the lower end of each groove is provided with a radially arranged through hole, the straight plates are correspondingly arranged in the grooves, the uppermost ends of the straight plates are connected with the bottoms of the grooves, the plate surfaces of the straight plates, which are close to the axis of the internal threaded pipe, are provided with threads which are matched with the internal threaded pipe, the lower ends of the straight plates are provided with second limiting plates which are radially arranged, the second limiting plates extend out of the internal threaded pipe from the corresponding through holes, and the lower end surface of the internal threaded pipe is provided with the coaxial circular pipe, the major diameter of the internal thread pipe is the same as the inner diameter of the circular pipe.
Preferably, the first limiting plate is formed by bending a cut part of a ring surface edge of a circular ring downwards after cutting, the bent edge between the circular ring and the first limiting plate is radially arranged, and the first limiting plate is obliquely arranged and the oblique direction of the first limiting plate is consistent with the screwing direction of the screw rod in the internal threaded pipe.
Preferably, when the internal connection type bolt is not installed, the straight plate bends and inclines towards the axis of the internal thread pipe, and the second limit plate does not extend out of the corresponding through hole to the outer side of the internal thread pipe; when the internally-connected bolt is installed and the bolt is screwed into the internal thread pipe, the second limiting plate extends out of the corresponding through hole to the outer side of the internal thread pipe.
Preferably, the second limiting plate is a plate body which is arranged in an upward inclined mode and has a triangular vertical section.
Preferably, the outer diameter of the internal thread pipe is slightly larger than that of the circular pipe, and the connecting edge of the outer wall of the internal thread pipe and the outer wall of the circular pipe is rounded.
Preferably, the connecting edge of the inner pipe wall and the upper end face of the circular ring is rounded.
Preferably, the upper end surface and the lower end surface of the circular ring are both provided with a plurality of coaxial annular bulges.
The utility model has the beneficial effects that: according to the utility model, the edge of the lower end surface of the circular ring is provided with the plurality of first limiting plates which are radially arranged, so that the position of the internally-connected bolt can be limited when the bolt is screwed down, and the bolt is prevented from rotating; the first limiting plate is obliquely arranged, the oblique direction of the first limiting plate is consistent with the screwing direction of the screw rod in the internal thread pipe, and the tighter the screw rod is screwed, the firmer the ring clamp is; the second limiting plate is a plate body which is arranged in an upward inclined mode and has a triangular vertical section, so that when the internal connection type bolt is not installed, even if the second limiting plate slightly extends out of the corresponding through hole to the outer side of the internal thread pipe, the hole wall of the installation hole can push the second limiting plate into the inner side of the through hole, when the internal connection type bolt is installed and the bolt is screwed in the internal thread pipe, the second limiting plate is pushed out of the external side of the internal thread pipe from the corresponding through hole, the internal connection type bolt can be clamped in the installation hole by the second limiting plate, the bending direction of the second limiting plate is consistent with the pulling-out direction of the internal connection type bolt, the internal connection type bolt can be clamped firmly by the second limiting plate, and the internal wall of the installation hole can be cut more easily due to the triangular vertical section of the second limiting plate; the inner diameter of the mounting hole is matched with that of the round pipe, the outer diameter of the internal thread pipe is slightly larger than that of the round pipe, so that the internal thread pipe clamp is firmer, the connecting edge of the outer wall of the internal thread pipe and the outer wall of the round pipe is rounded, and the round pipe is more convenient to transition to the internal thread pipe when the internal connection type bolt enters the mounting hole; the connecting edge of the inner pipe wall of the circular ring and the upper end surface is rounded, so that the screw rod can conveniently enter; the up end of ring, lower terminal surface all are equipped with the coaxial annular of a plurality of and are protruding, and annular is protruding can increase ring intensity as the strengthening rib.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of an internal connection bolt of the present invention for ease of connection;
fig. 2 is a view from below of a ring of an internal connection type bolt of the present invention for easy connection.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the utility model relates to an internal connection type bolt convenient for connection, which comprises a circular ring 1, a first limit plate 11, an internal threaded pipe 2, grooves 21, through holes 22, straight plates 23, a second limit plate 24 and a circular pipe 3, wherein the edge of the lower end surface of the circular ring 1 is provided with a plurality of first limit plates 11 arranged radially, the lower end surface of the circular ring 1 is provided with the coaxial internal threaded pipe 2, the major diameter of the internal threaded pipe 2 is the same as the inner diameter of the circular ring 1, the middle part of the inner wall of the internal threaded pipe 2 is provided with a plurality of grooves 21 arranged axially, the bottom of the lower end of each groove 21 is provided with a through hole 22 arranged radially, the corresponding straight plate 23 is arranged in each groove 21, the uppermost end of the straight plate 23 is connected with the bottom of each groove 21, the plate surface of the straight plate 23 close to the axis of the internal threaded pipe 2 is provided with threads matched with the internal threaded pipe 2, the lower end of the straight plate 23 is provided with a second limit plate 24 arranged radially, and the second limit plate 24 extends out of the corresponding through hole 22 to the external side of the internal threaded pipe 2, the lower end face of the internal thread pipe 2 is provided with a coaxial circular pipe 3, the major diameter of the internal thread pipe 2 is the same as the inner diameter of the circular pipe 3, the first limiting plate 11 is formed by downwards bending the cut part of the ring surface edge of the circular ring 1 after cutting, the bent edge between the circular ring 1 and the first limiting plate 11 is radially arranged, the first limiting plate 11 is obliquely arranged, the oblique direction of the first limiting plate 11 is consistent with the screwing direction of a screw rod in the internal thread pipe 2, when the internally-connected bolt is not installed, the straight plate 23 is obliquely bent towards the axis of the internal thread pipe 2, and at the moment, the second limiting plate 24 does not extend out of the internal thread pipe 2 from the corresponding through hole 22; when the internally-connected bolt is installed and the bolt is screwed into the internal thread pipe 2, the second limiting plate 24 extends out of the internal thread pipe 2 from the corresponding through hole 22, the second limiting plate 24 is a plate body which is inclined upwards and has a triangular vertical section, the outer diameter of the internal thread pipe 2 is slightly larger than that of the circular pipe 3, the connecting edge of the outer wall of the internal thread pipe 2 and the outer wall of the circular pipe 3 is rounded, the connecting edge of the inner wall of the circular ring 1 and the upper end surface is rounded, and the upper end surface and the lower end surface of the circular ring 1 are both provided with a plurality of coaxial annular protrusions 12.
The working process of the utility model is as follows:
in the working process of the conveniently-connected internal connection type bolt, the internal connection type bolt is arranged in the mounting hole, the inner diameter of the mounting hole is matched with that of the round tube 3, the inner diameter of the mounting hole is smaller than the outer diameter of the internal threaded tube 2, and the screw is screwed into the internal connection type bolt. The edge of the lower end face of the ring 1 is provided with a plurality of first limiting plates 11 which are radially arranged, so that the position of the internally-connected bolt can be limited when the bolt is screwed down, and the bolt is prevented from rotating; the first limiting plate 11 is obliquely arranged, the oblique direction of the first limiting plate is consistent with the screwing direction of the screw in the internally threaded pipe 2, and the tighter the screw is screwed, the firmer the ring 1 is clamped; the second limit plate 24 is a plate body which is arranged in an upward inclined manner and has a triangular vertical section, so that when the internal connection type bolt is not installed, even if the second limit plate 24 slightly extends out of the corresponding through hole 22 to the outer side of the internal thread pipe 2, the wall of the installation hole can push the second limit plate 24 into the inner side of the through hole 22, when the internal connection type bolt is installed and the bolt is screwed into the internal thread pipe 2, the second limit plate 24 is pushed out of the corresponding through hole 22 to the outer side of the internal thread pipe 2, the internal connection type bolt can be clamped in the installation hole by the second limit plate 24, and because the bending direction of the second limit plate 24 is consistent with the pulling-out direction of the internal connection type bolt, the internal connection type bolt can be clamped firmly by the second limit plate 24, and the vertical section of the second limit plate 24 is triangular, so that the internal connection type bolt can be more easily cut into the inner wall of the installation hole; the inner diameter of the mounting hole is matched with that of the round tube 3, the outer diameter of the internal thread tube 2 is slightly larger than that of the round tube 3, so that the clamping of the internal thread tube 2 is firmer, the connecting edge of the outer wall of the internal thread tube 2 and the outer wall of the round tube 3 is rounded, and the round tube 3 is more convenient to transition to the internal thread tube 2 when the internally-connected bolt enters the mounting hole; the connecting edge of the inner pipe wall and the upper end surface of the circular ring 1 is rounded, so that a screw rod can conveniently enter; the up end of ring 1, lower terminal surface all are equipped with the coaxial annular of a plurality of and protruding 12, and annular is protruding 12 can increase ring 1 intensity as the strengthening rib.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides an inscription formula bolt convenient to connect which characterized in that: comprises a circular ring (1), a first limiting plate (11), an internal thread pipe (2), a groove (21), a through hole (22), a straight plate (23), a second limiting plate (24) and a circular pipe (3), wherein the lower end surface edge of the circular ring (1) is provided with a plurality of first limiting plates (11) which are radially arranged, the lower end surface of the circular ring (1) is provided with the coaxial internal thread pipe (2), the major diameter of the internal thread pipe (2) is the same as the inner diameter of the circular ring (1), the middle part of the inner wall of the internal thread pipe (2) is provided with a plurality of grooves (21) which are axially arranged, the bottom of the lower end groove of each groove (21) is provided with the through hole (22) which is radially arranged, the groove (21) is internally provided with the corresponding straight plate (23), the uppermost end of the straight plate (23) is connected with the bottom of each groove (21), the surface of the straight plate (23) close to the axis of the internal thread pipe (2) is provided with a thread which is matched with the internal thread pipe (2), the lower end of the straight plate (23) is provided with a second limiting plate (24) which is radially arranged, the second limiting plate (24) extends out of the outer side of the internal thread pipe (2) from the corresponding through hole (22), the lower end face of the internal thread pipe (2) is provided with a coaxial circular pipe (3), and the large diameter of the internal thread pipe (2) is the same as the inner diameter of the circular pipe (3).
2. An internally receiving bolt for facilitating connection as claimed in claim 1 wherein: first limiting plate (11) are formed by the position bending downwards of the position of the torus edge of ring (1) through its cutting after the cutting, and the edge of buckling between ring (1), first limiting plate (11) radially sets up, and first limiting plate (11) slope sets up and the screw up direction of screw is unanimous in slope direction and internal thread pipe (2).
3. An internally receiving bolt for facilitating connection as claimed in claim 1 wherein: when the internal connection type bolt is not installed, the straight plate (23) bends and inclines towards the axis of the internal thread pipe (2), and the second limiting plate (24) does not extend out of the corresponding through hole (22) to the outer side of the internal thread pipe (2); when the internally-connected bolt is installed and the bolt is screwed into the internally-threaded pipe (2), the second limiting plate (24) extends out of the corresponding through hole (22) to the outer side of the internally-threaded pipe (2).
4. An internally receiving bolt for facilitating connection as claimed in claim 1 wherein: the second limiting plate (24) is a plate body which is arranged in an upward inclined mode and is triangular in vertical section.
5. An internally receiving bolt for facilitating connection as claimed in claim 1 wherein: the external diameter of internal thread pipe (2) slightly is greater than the external diameter of pipe (3), and the connection edge radius angle of internal thread pipe (2) outer wall and pipe (3) outer wall.
6. An internally receiving bolt for facilitating connection as claimed in claim 1 wherein: the connecting edge of the inner pipe wall and the upper end face of the circular ring (1) is rounded.
7. An internally receiving bolt for facilitating connection as claimed in claim 1 wherein: the upper end surface and the lower end surface of the circular ring (1) are provided with a plurality of coaxial annular bulges (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730060.0U CN215409701U (en) | 2021-07-28 | 2021-07-28 | Internal connection type bolt convenient to connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730060.0U CN215409701U (en) | 2021-07-28 | 2021-07-28 | Internal connection type bolt convenient to connect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409701U true CN215409701U (en) | 2022-01-04 |
Family
ID=79653521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121730060.0U Active CN215409701U (en) | 2021-07-28 | 2021-07-28 | Internal connection type bolt convenient to connect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215409701U (en) |
-
2021
- 2021-07-28 CN CN202121730060.0U patent/CN215409701U/en active Active
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