CN211760007U

CN211760007U - Clamp for bone fracture plate machining

Info

Publication number: CN211760007U
Application number: CN202020415495.5U
Authority: CN
Inventors: 王伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-10-27
Anticipated expiration: 2030-03-27

Abstract

The utility model provides an anchor clamps are used in processing of coaptation board, including base, mount, adjustable shelf and clamping mechanism, base top surface both sides are equipped with mount and adjustable shelf respectively, are equipped with clamping mechanism on mount and the adjustable shelf respectively, base top surface one side set up the thread groove, thread groove internal thread installation adjustable shelf, the adjustable shelf include montant, connecting piece, loop bar, mounting and bracing piece, montant one side is equipped with the connecting piece, the installation is around its pivoted loop bar on the connecting piece, loop bar one end is equipped with clamping mechanism, is equipped with the mounting of fixed loop bar on the connecting piece, loop bar one side is equipped with the bracing piece with the base contact. The utility model has simple structure and convenient use, and the distance between the movable frame and the fixed frame can be adjusted to adapt to bone fracture plates with different lengths; the sleeve rod can rotate relative to the vertical rod, and the angle between the clamping mechanisms on the movable frame is adjusted, so that the clamping requirements of bone fracture plates in different shapes are met.

Description

Clamp for bone fracture plate machining

Technical Field

The utility model belongs to the technical field of orthopedics apparatus, specifically speaking are anchor clamps are used in coaptation board processing.

Background

The bone fracture plate is a plate-shaped fracture internal fixer for medical orthopedics. The bone fracture plate is usually used together with bone screws or bone fracture wires in clinic, and is divided into two types of common bone fracture plates and pressurizing bone fracture plates, and can be made into strip shapes, Y shapes, L shapes, T shapes and the like according to different purposes.

The existing bone fracture plate needs to be fixed to the bone plate by means of a clamp in the production process, but the length or the shape of the bone fracture plate is inconsistent, the universality of the existing clamp is not high, the effect of the fixing bone fracture plate is poor, the clamp needs to be adjusted according to the bone fracture plates of different specifications, the adjusting step is complex, the operation is time-consuming, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anchor clamps are used in coaptation board processing for fixed inconvenient problem when solving processing coaptation board reaches the beneficial effect who improves fixed centre gripping effect and improve machining efficiency.

The utility model discloses a following technical scheme realizes:

the utility model provides a bone fracture plate processing anchor clamps, includes base, mount, adjustable shelf and clamping mechanism, base top surface both sides are equipped with mount and adjustable shelf respectively, are equipped with clamping mechanism on mount and the adjustable shelf respectively, base top surface one side set up the thread groove, thread groove internal thread installation adjustable shelf, the adjustable shelf include montant, connecting piece, loop bar and mounting, montant one side is equipped with the connecting piece, the installation is around its pivoted loop bar on the connecting piece, loop bar one end is equipped with clamping mechanism, is equipped with the mounting of fixed loop bar on the connecting piece.

Furthermore, clamping mechanism include fixed plate, fly leaf, torsional spring and depression bar, the fixed plate is installed respectively to mount and adjustable shelf one side, and the fly leaf is installed through the torsional spring to fixed plate one side, and the articulated depression bar that can clockwise rotation of installation in one side that the fly leaf is close to the fixed plate.

Furthermore, the connecting piece include connecting plate and cylinder, the connecting plate both ends are platelike structure and axle column structure respectively, install the cylinder on the connecting plate.

Furthermore, the fixing piece is a threaded sleeve, threads are arranged on the upper portion of the cylinder, and the fixing piece is in threaded fit with the cylinder.

Further, the alternative scheme is that the fixing part is an inverted L-shaped inserted link, a sliding groove is formed in one side of the cylinder, an inserted link moving along the sliding groove is arranged in the sliding groove, and a jack matched with the inserted link is formed in one side of the loop bar.

Furthermore, one side of the fixed frame and one side of the movable frame are respectively provided with a connecting hole, a connecting piece and a fixed plate are respectively arranged in the connecting holes through bearings, a gear in sliding fit with the connecting piece is arranged at one axial end of the connecting piece, a gear ring is arranged at one side in the connecting hole in the movable frame, and the gear is in meshing fit with the gear ring.

The utility model has the advantages that:

the utility model has simple structure and convenient use, and the distance between the movable frame and the fixed frame can be adjusted to adapt to bone fracture plates with different lengths; the sleeve rod can rotate relative to the vertical rod, so that the angle between the clamping mechanisms on the movable frame is adjusted, and the clamping requirements of bone fracture plates in different shapes are met; the fixed frame and the clamping mechanism on the movable frame are used for fixing the protection plate, so that the multi-point clamping function is realized.

When the coaptation board of clamping state removed under the exogenic action, because the depression bar can not remove in the direction of keeping away from mount/adjustable shelf, consequently frictional force between clamp plate and the coaptation board makes the clamp plate obstruct the removal of coaptation board, prevents that the coaptation board from breaking away from clamping mechanism or taking place to rock, and fixed effectual ensures stability and accuracy nature among the processing operation process.

The utility model discloses a rotation connecting piece satisfies different processing demands in order to change the processing angle of coaptation board, and through the meshing of gear and ring gear, ensures the stationary state after the adjustment, ensures to borrow the stability of worker's precision and use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first schematic structural diagram of a first embodiment;

FIG. 2 is an enlarged view of section I of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic structural diagram of the second embodiment;

FIG. 5 is a schematic view showing the structure of a clamping mechanism according to the first embodiment;

FIG. 6 is a schematic view showing the connection between the fixing member and the loop bar according to the second embodiment;

fig. 7 is a schematic structural view of the connecting member and the vertical rod according to the second embodiment.

In the figure, 1, a base; 2. a fixed mount; 3. a movable frame; 31. a vertical rod; 32. a connecting member; 321. a connecting plate; 322. a cylinder; 33. a loop bar; 34. a fixing member; 35. a support bar; 4. a clamping mechanism; 41. a fixing plate; 42. a movable plate; 43. a torsion spring; 44. a pressure lever; 5. a thread groove; 6. a chute; 7. inserting a rod; 8. a jack; 9. connecting holes; 10. a gear; 11. a ring gear.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Example 1

A clamp for processing a bone fracture plate is shown in figures 1-4 and comprises a base 1, a fixed frame 2, a movable frame 3 and a clamping mechanism 4, wherein the fixed frame 2 and the movable frame 3 are respectively arranged on two sides of the top surface of the base 1, and the distance between the fixed frame 2 and the movable frame 3 is variable; the fixed frame 2 and the movable frame 3 are respectively provided with a clamping mechanism 4, and the clamping mechanisms 4 are contacted with different positions of the bone fracture plate and are fixed; a thread groove 5 is formed in one side of the top surface of the base 1, a movable frame 3 is installed in the thread groove 5 through internal threads, the movable frame 3 is convenient to disassemble, and the movable frame 3 is convenient to move so as to change the distance between the movable frame 3 and the fixed frame 2; the movable frame 3 comprises a vertical rod 31, a connecting piece 32, a loop bar 33, a fixing piece 34 and a supporting rod 35, wherein the connecting piece 32 is arranged on one side of the vertical rod 31, the loop bar 33 rotating around the connecting piece 32 is arranged on the connecting piece 32, and the loop bar 33 rotates around the connecting piece 32 to change the clamping position of the fixed bone fracture plate; one end of the loop bar 33 is provided with the clamping mechanism 4, the connecting piece 32 is provided with a fixing piece 34 for fixing the loop bar 33, and the fixing piece 34 ensures that the position of the adjusted loop bar 33 is not changed any more, thereby ensuring the clamping effect.

As shown in fig. 1 and 3, the loop bar 33 is of a telescopic structure, which can increase the adjustable range and ensure the use effect; one side of the loop bar 33 is provided with a support bar 35 which is in contact with the base 1, and the structure can prevent shaking in the using process.

As shown in fig. 5, the clamping mechanism 4 includes a fixed plate 41, a movable plate 42, a torsion spring 43 and a pressing rod 44, the fixed plate 41 is mounted on one side of the fixed frame 2 and the movable frame 3, the movable plate 42 is mounted on one side of the fixed plate 41 through the torsion spring 43, and the pressing rod 44 capable of rotating clockwise is hinged on one side of the movable plate 42 close to the fixed plate 41. When the bone fracture plate in the clamping state moves under the action of external force, the pressure rod 44 cannot move in the direction far away from the fixed frame 2/the movable frame 3, so that the pressure plate 44 blocks the movement of the bone fracture plate by the friction force between the pressure plate 44 and the bone fracture plate, the bone fracture plate is prevented from being separated from the clamping mechanism 4, and the fixing effect is good.

As shown in fig. 2, the connecting member 32 includes a connecting plate 321 and a cylinder 322, two ends of the connecting plate 321 are respectively in a plate-like structure and a shaft-like structure, and the cylinder 322 is mounted on the connecting plate 321 to facilitate the rotation of the loop bar 33 around the cylinder, so as to achieve the function of adjusting the use position of the clamping mechanism 4. The fixing piece 34 is a threaded sleeve, threads are arranged on the upper portion of the cylinder 322, the fixing piece 34 is in threaded fit with the cylinder 322, the loop bar 33 is pressed at one time, the loop bar 33 is prevented from rotating, and the use is convenient.

When in use, the movable plate 42 is separated from the fixed plate 41, one side of the bone plate is placed between the fixed plate 41 and the movable plate 42, and the clamping mechanism 4 fixes the bone plate under the action of the torsion spring 43 and the pressing plate 44 after the hand is released; then, according to the length of the bone fracture plate, a user separates the vertical rod 31 from the threaded groove 5, moves the vertical rod 31 to a proper position, and then connects the vertical rod 31 and the threaded groove 5 together, so that the operation is simple, and the clamping requirements of the bone fracture plates with different lengths can be met; then, the using position of the clamping mechanism 4 on the movable frame 3 is adjusted according to the shape of the bone fracture plate, the user moves the fastening piece 34 upwards along the cylinder 322, the loop bar 33 is not pressed and can rotate around the cylinder 322, the user rotates the loop bar 33, the clamping mechanism 4 is located at a proper position, the clamping mechanism 4 is connected with the bone fracture plate, then the fastening piece 34 moves reversely to the position above the loop bar 33, the loop bar 33 is fixed, and finally the bone fracture plate is processed.

Example 2

On the basis of embodiment 1, as shown in fig. 6, the fixing member 34 may be replaced by an inverted L-shaped insertion rod 7, one side of the cylinder 322 is provided with a sliding slot 6, the insertion rod 7 moving along the sliding slot 6 is arranged in the sliding slot, one side of the loop bar 33 is provided with an insertion hole 8 matching with the insertion rod 7, and after the insertion rod 7 moves, the position changes, that is, the state of whether the loop bar 33 is locked is changed.

When the user adjusts the position of the loop bar 33, the inserted link 7 is moved upwards by one hand, so that the loop bar 33 can rotate freely; after the adjustment of the loop bar 33 is finished, the loop bar needs to be fixed, at this time, the user moves the inserting bar 7 downwards along the sliding groove 6 and inserts the inserting bar into the inserting hole 8, and the sliding groove 6 limits the rotation of the inserting bar 7, so the inserting bar 7 and the inserting hole 8 are matched to limit the rotation of the loop bar 33, and the function of fixing the adjustment position of the loop bar 33 is achieved.

As shown in fig. 7, one side of the fixed frame 2 and one side of the movable frame 3 are respectively provided with a connecting hole 9, a connecting piece 32 and a fixed plate 41 are respectively mounted in the connecting hole 9 through bearings, one axial end of the connecting piece 32 is provided with a gear 10 in sliding fit with the connecting piece, namely, one end of the connecting piece 32 is provided with a strip-shaped groove, a connecting block matched with the connecting piece is arranged in the strip-shaped groove, the outer side of the connecting block is connected with the gear 10, when the connecting block moves along the strip-shaped groove, the movement of the gear 10 is realized, and; one side installation ring gear 11 in the connecting hole 9 on adjustable shelf 3, gear 10 and ring gear 11 meshing cooperation can fix the connecting piece 32 after rotating, prevent that connecting piece 32 from rotating and influencing the processing effect.

When the gear is used, the support rod 35 is firstly removed, then the gear 10 moves along the connecting piece 32 to the direction far away from the connecting hole 9, and at the moment, the connecting piece 32 can be rotated; after the adjustment, the user fixes connecting piece 32 after the rotation in one hand, ensures the processing angle of coaptation board, and pushes gear 10 back to in connecting hole 9 on the other hand to make gear 10 and ring gear 11 mesh, because ring gear 11 is fixed mounting, ring gear 11 can prevent that gear 10 from rotating, and then ensures connecting piece 32's use angle, convenient processing.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a bone fracture plate anchor clamps for processing, includes base, mount, adjustable shelf and clamping mechanism, and base top surface both sides are equipped with mount and adjustable shelf respectively, are equipped with clamping mechanism, its characterized in that on mount and the adjustable shelf respectively: one side of the top surface of the base is provided with a thread groove, and a movable frame is arranged in the thread groove; the movable frame comprises a vertical rod, a connecting piece, a loop bar and a fixing piece, wherein the connecting piece is arranged on one side of the vertical rod, the loop bar rotating around the connecting piece is installed on the connecting piece, a clamping mechanism is arranged at one end of the loop bar, and the fixing piece for fixing the loop bar is arranged on the connecting piece.

2. A jig for use in the processing of a bone plate according to claim 1, wherein: the clamping mechanism comprises a fixed plate, a movable plate, a torsion spring and a pressing rod, the fixed plate is installed on one side of the fixed frame and one side of the movable frame respectively, the movable plate is installed on one side of the fixed plate through the torsion spring, and the pressing rod capable of rotating clockwise is installed on one side, close to the fixed plate, of the movable plate in a hinged mode.

3. A jig for bone plate processing according to claim 2, wherein: the connecting piece comprises a connecting plate and a cylinder, the two ends of the connecting plate and the two ends of the fixing plate are respectively of a plate-shaped structure and a shaft-shaped structure, and the cylinder is arranged on the connecting plate.

4. A jig for use in the processing of a bone plate according to claim 1, wherein: the fixing piece is a threaded sleeve, threads are arranged on the upper portion of the cylinder, and the fixing piece is in threaded fit with the cylinder.

5. A jig for use in the processing of a bone plate according to claim 1, wherein: according to the alternative scheme, the fixing piece is an inverted L-shaped inserted bar, a sliding groove is formed in one side of the cylinder, the inserted bar moving along the sliding groove is arranged in the sliding groove, and a jack matched with the inserted bar is formed in one side of the loop bar.

6. A jig for bone plate processing according to claim 2, wherein: the movable rack is characterized in that one side of the fixed rack and one side of the movable rack are respectively provided with a connecting hole, a connecting piece and a fixed plate are respectively arranged in the connecting holes through bearings, a gear in sliding fit with the connecting piece is arranged at one axial end of the connecting piece, a gear ring is arranged at one side in the connecting hole in the movable rack, and the gear is in meshing fit with the gear ring.