CN210019611U - Locking rivet - Google Patents
Locking rivet Download PDFInfo
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- CN210019611U CN210019611U CN201920166541.XU CN201920166541U CN210019611U CN 210019611 U CN210019611 U CN 210019611U CN 201920166541 U CN201920166541 U CN 201920166541U CN 210019611 U CN210019611 U CN 210019611U
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- rivet
- thread
- locking
- nail
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Abstract
The utility model discloses a locking rivet, which comprises a rivet body, wherein the rivet body comprises a rivet head, a rivet body and a rivet tail, the rivet head, the rivet body and the rivet tail are sequentially connected along the same direction, an inner nail groove is arranged on the left side end surface of the rivet head, the inner nail groove comprises a nut placing groove, an inner thread hole and an inner nail hole, the right side of the nut placing groove is provided with the inner thread hole, the diameter of the inner thread hole is smaller than that of the nut placing groove, the right side of the inner thread hole is provided with the inner nail hole, the inner nail hole and the inner thread hole are mutually communicated, a fixing screw is arranged in the inner nail groove, a rivet head external thread is arranged on the outside of the rivet head, the rivet body is provided with a rivet body thread, the rivet body thread is specifically a trapezoidal thread, the top of the trapezoidal thread is provided with a thread end surface, the length of the thread end surface is 0.15mm, the distance between the adjacent trapezoidal threads, the locking rivet can be more conveniently nailed into the position where the fracture of the patient needs to be fixed.
Description
Technical Field
The utility model relates to the field of medical equipment, specifically a locking rivet.
Background
Fracture refers to the continuous complete or partial breakdown of bone structure. It is common to children and the elderly, and occurs in the middle-aged and young. Patients often have one site fractured and a few multiple fractures. After timely and proper treatment, most patients can recover the original functions, and a few patients can leave sequelae with different degrees.
When the existing locking rivet used for matching with a locking bone plate and used for treating fracture is used, the locking rivet is inconvenient to position in a locking hole on the locking bone plate, the locking rivet is easy to shake and deviate when being positioned, and the locking rivet is very inconvenient to rivet into the bone of a patient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking rivet to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a locking rivet comprises a rivet body, wherein the rivet body comprises a rivet head, a rivet body and a rivet tail, the rivet head, the rivet body and the rivet tail are sequentially connected along the same direction, an inner rivet groove is formed in the left end face of the rivet head, the inner rivet groove comprises a nut placing groove, an inner threaded hole and an inner rivet hole, the right side of the nut placing groove is provided with the inner threaded hole, the diameter of the inner threaded hole is smaller than that of the nut placing groove, the right side of the inner threaded hole is provided with the inner rivet hole, the inner rivet hole and the inner threaded hole are mutually communicated, a fixing screw is arranged in the inner rivet groove in a threaded manner, a rivet head external thread is arranged on the outside of the rivet head, the rivet body is provided with a rivet body thread, the rivet body thread is specifically a trapezoidal thread, the top of the trapezoidal thread is provided with a thread end face, the length of the thread end face is 0.15mm, and the distance between the, the nail between the adjacent trapezoidal thread has seted up oblique type end on one's body, the contained angle of oblique type end and horizontal direction is 4 degrees, the chamfer of trapezoidal thread and nail body junction is R0.4, the rivet body is conical rivet.
As a further aspect of the present invention: the length of the screw thread section on the nail body is 6.7mm, the length of the rivet body is 13mm, and the length of the nail tail is 1.7 mm.
As a further aspect of the present invention: the included angle between the trapezoidal end of the trapezoidal thread and the vertical direction of the nail body is 26 degrees.
As a further aspect of the present invention: the diameter of one end of the nail head of the fixing screw is 2.5 mm.
As a further aspect of the present invention: the diameter of the nail head is 5 mm.
As a further aspect of the present invention: the rivet body is a conical rivet.
Compared with the prior art, the beneficial effects of the utility model are that:
when the locking rivet is used, the locking rivet is matched with a locking bone plate for use, the locking rivet is firstly installed in a threaded locking hole on the locking bone plate in a threaded mode to be positioned, then a fixing screw 11 is installed in an internal thread of an internal screw groove 3, the fixing screw 11 is installed completely, the fixing screw 11 is knocked by a tool to fix the locking rivet into the bone of a patient to fix the fracture position, the locking rivet is riveted completely, the fixing screw 11 is taken out by the tool, the external thread is formed on a nail head 6, the external thread is formed on a nail body 9, the locking rivet is conveniently installed in the locking hole and is not easy to deviate, the internal screw groove 3 is formed in the nail head 6, and the external fixing screw 11 can be conveniently accessed to drive the locking rivet into the bone of the patient.
Drawings
FIG. 1 is a schematic view of a locking rivet.
FIG. 2 is a schematic view of the installation of a set screw in a locking rivet.
FIG. 3 is a schematic view of the trapezoidal thread configuration in the locking rivet.
In the figure: the rivet comprises an inner nail hole 1, an inner thread hole 2, an inner nail groove 3, a nut placing groove 4, a nail head external thread 5, a nail head 6, a thread chamfer 7, a nail body thread 8, a nail body 9, a nail tail 10, a fixing screw 11, a trapezoidal thread 12, an inclined end 13, a thread end face 14 and a rivet body 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a locking rivet includes a rivet body 15, the rivet body 15 is composed of a nail head 6, a nail body 9 and a nail tail 10, the nail head 6, the nail body 9 and the nail tail 10 are sequentially connected along a same direction, an inner nail groove 3 is formed on a left end surface of the nail head 6, the inner nail groove 3 includes a nut placing groove 4, an inner thread hole 2 and an inner nail hole 1, an inner thread hole 2 is formed on a right side of the nut placing groove 4, a diameter of the inner thread hole 2 is smaller than that of the nut placing groove 4, the inner nail hole 1 is formed on a right side of the inner thread hole 2, the inner nail hole 1 and the inner thread hole 2 are communicated with each other, a fixing screw 11 is installed in the inner nail groove 3, a nail head external thread 5 is arranged on an outer side of the nail head 6, the nail body 9 is provided with a nail body thread 8, the nail body thread 8 is specifically, the top of the trapezoidal thread 12 is provided with a thread end face 14, the length of the thread end face 14 is 0.15mm, the distance between the adjacent trapezoidal threads 12 is 2.8mm, the nail body 9 between the adjacent trapezoidal threads 12 is provided with an inclined end 13, the included angle between the inclined end 13 and the horizontal direction is 4 degrees, the chamfer angle of the joint of the trapezoidal thread 12 and the nail body 9 is R0.4, the rivet body 15 is a conical rivet, the length of the thread section on the nail body 9 is 6.7mm, the length of the rivet body 15 is 13mm, the length of the nail tail 10 is 1.7mm, the included angle between the trapezoidal end of the trapezoidal thread 12 and the vertical direction of the nail body 9 is 26 degrees, the diameter of one end of the nail head of the fixing screw 11 is 2.5mm, the diameter of the nail head 6 is 5mm, when the locking rivet is used, the locking rivet is matched with a locking bone plate, the locking thread is firstly installed in a thread locking hole on the locking bone plate for positioning, internal thread installation set screw 11 in nail groove 3 again, set screw 11 installation finishes, utilize the instrument to strike set screw 11 and carry out the fixed of fracture position in will locking rivet nail income patient's bone, locking rivet rivets and finishes, utilize the instrument to take out set screw 11 again, through set up the external screw thread on pin fin 6, set up the external screw thread on nail body 9, make things convenient for locking rivet screw thread to install into the locking hole and be difficult to the skew, through set up interior nail groove 3 in pin fin 6, be convenient for insert outside set screw 11 will lock the rivet nail and go into in patient's skeleton.
The utility model discloses a theory of operation is: when the locking rivet is used, the locking rivet is matched with a locking bone plate for use, the locking rivet is firstly installed in a threaded locking hole on the locking bone plate in a threaded mode to be positioned, then a fixing screw 11 is installed in an internal thread of an internal screw groove 3, the fixing screw 11 is installed completely, the fixing screw 11 is knocked by a tool to fix the locking rivet into the bone of a patient to fix the fracture position, the locking rivet is riveted completely, the fixing screw 11 is taken out by the tool, the external thread is formed on a nail head 6, the external thread is formed on a nail body 9, the locking rivet is conveniently installed in the locking hole and is not easy to deviate, the internal screw groove 3 is formed in the nail head 6, and the external fixing screw 11 can be conveniently accessed to drive the locking rivet into the bone of the patient.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A locking rivet comprising a rivet body (15), characterized in that: the rivet body (15) is composed of a rivet head (6), a rivet body (9) and a rivet tail (10), the rivet head (6), the rivet body (9) and the rivet tail (10) are sequentially connected along the same direction, an inner rivet groove (3) is formed in the left end face of the rivet head (6), the inner rivet groove (3) comprises a nut placing groove (4), an inner threaded hole (2) and an inner rivet hole (1), the right side of the nut placing groove (4) is provided with an inner threaded hole (2), the diameter of the inner threaded hole (2) is smaller than that of the nut placing groove (4), the right side of the inner threaded hole (2) is provided with the inner rivet hole (1), the inner rivet hole (1) and the inner threaded hole (2) are mutually communicated, a fixing screw (11) is installed in the inner rivet groove (3), a rivet head external thread (5) is arranged on the outside of the rivet head (6), a rivet body thread (8) is arranged on the rivet body (9), nail body screw thread (8) specifically are trapezoidal thread (12), screw thread terminal surface (14) have been seted up at the top of trapezoidal thread (12), and the length of screw thread terminal surface (14) is 0.15mm, distance between adjacent trapezoidal thread (12) is 2.8mm, oblique type end (13) have been seted up on nail body (9) between adjacent trapezoidal thread (12), oblique type end (13) and horizontal direction's contained angle are 4 degrees, the chamfer of trapezoidal thread (12) and nail body (9) junction is R0.4.
2. A locking rivet according to claim 1, characterized in that: the length of the upper thread section of the rivet body (9) is 6.7mm, the length of the rivet body (15) is 13mm, and the length of the rivet tail (10) is 1.7 mm.
3. A locking rivet according to claim 1, characterized in that: the included angle between the trapezoidal end of the trapezoidal thread (12) and the vertical direction of the nail body (9) is 26 degrees.
4. A locking rivet according to claim 1, characterized in that: the diameter of one end of the nail head of the fixing screw (11) is 2.5 mm.
5. A locking rivet according to claim 1, characterized in that: the diameter of the nail head (6) is 5 mm.
6. A locking rivet according to claim 1, characterized in that: the rivet body (15) is a conical rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920166541.XU CN210019611U (en) | 2019-01-30 | 2019-01-30 | Locking rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920166541.XU CN210019611U (en) | 2019-01-30 | 2019-01-30 | Locking rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210019611U true CN210019611U (en) | 2020-02-07 |
Family
ID=69352837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920166541.XU Active CN210019611U (en) | 2019-01-30 | 2019-01-30 | Locking rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210019611U (en) |
-
2019
- 2019-01-30 CN CN201920166541.XU patent/CN210019611U/en active Active
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