CN113509308B - Universal multipurpose fixing clamp - Google Patents
Universal multipurpose fixing clamp Download PDFInfo
- Publication number
- CN113509308B CN113509308B CN202110444082.9A CN202110444082A CN113509308B CN 113509308 B CN113509308 B CN 113509308B CN 202110444082 A CN202110444082 A CN 202110444082A CN 113509308 B CN113509308 B CN 113509308B
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- Prior art keywords
- locking sleeve
- cover body
- universal
- connecting rod
- fixing screw
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- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000000399 orthopedic effect Effects 0.000 abstract description 2
- 206010017076 Fracture Diseases 0.000 description 19
- 208000010392 Bone Fractures Diseases 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 6
- 208000002565 Open Fractures Diseases 0.000 description 4
- 208000003044 Closed Fractures Diseases 0.000 description 1
- 208000012661 Dyskinesia Diseases 0.000 description 1
- 208000031074 Reinjury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Clamps And Clips (AREA)
Abstract
The application relates to the field of orthopedic external fixation brackets, in particular to a universal multipurpose fixation clamp which comprises a connecting piece and clamping pieces symmetrically arranged at two ends of the connecting piece, wherein the clamping pieces are used for fixing connecting rods, and the two clamping pieces can rotate around the connecting piece; the connecting piece comprises a connecting rod, a pair of universal balls symmetrically arranged at two ends of the connecting rod and a pair of nuts sleeved on the connecting rod, the nuts are in ball hinge joint with the universal balls, and a locking sleeve in threaded connection is arranged at one end of each nut, which is far away from the connecting rod; the clamping piece comprises a fixing screw with one end in threaded connection with the locking sleeve and a cover body sleeved on the fixing screw, one end, far away from the locking sleeve, of the fixing screw is provided with a bolt head, the cover body can slide along the length direction of the fixing screw, the bolt head can be abutted to one end, far away from the locking sleeve, of the cover body, and a connecting rod can be clamped between the cover body and the locking sleeve. The fixing device has the effect of improving the fixing efficiency of the fracture of the human body.
Description
Technical Field
The application relates to the field of orthopedic external fixation supports, in particular to a universal multipurpose fixation clamp.
Background
In recent years, with the increase of high-energy open fracture, the treatment of open fracture is different from closed fracture, and the treatment of open fracture is liable to cause infection and necrosis. Therefore, the treatment of open fractures is required to be rapid, minimizing the re-injury to the tissue. The fracture fixation method should be simple, quick and effective.
The external fixation support technology is applied to the treatment fracture very extensively, and the external fixation support is usually including connecting rod and the universal joint of fixed fracture position department, and the connecting rod can prevent the position department of human fracture, takes place to crookedly, and the universal can connect two adjacent connecting rods or many connecting rods, and when fixed, the position department at the fracture is around setting up a frame construction, fixes the position department of fracture, the advantage of external fixation support: 1. the application range is wide, the modern external fixing frame has reliable quality, good stability and flexible and various assembly forms; 2. the fixation is reliable, the stability of the modern external fixation system is very reliable through continuous improvement and research, and the displacement and angulation of the fracture end caused by the instability of the external fixation frame in the fixation process are very rare; 3. the fixation range is large, and for some adjacent joints or fractures in the joints, super-joint fixation can be adopted if necessary to increase the stability of fixation, which is not achieved by internal fixation; 4. minimally invasive operation, small surgical damage and closed reduction.
The external fixing support on the market at present is composed of a connecting rod and a universal joint and is the simplest of gypsum, a clamping plate and bone traction for fixing the fracture of a human body, but the rapid and effective fracture fixation cannot be achieved, and abnormal movement of the fracture end threatens the healing of wound skin and can increase the probability of pollution diffusion.
Disclosure of Invention
In order to improve the fixing efficiency of the fracture of the human body, the application provides a universal multipurpose fixing clamp.
The application provides a universal multipurpose fixation clamp adopts following technical scheme:
the universal multipurpose fixing clamp comprises a connecting piece and clamping pieces symmetrically arranged at two ends of the connecting piece, wherein the clamping pieces are used for fixing connecting rods and are detachably fixed on the connecting piece, and the two clamping pieces can rotate around the connecting piece;
the connecting piece comprises a connecting rod, a pair of universal balls symmetrically arranged at two ends of the connecting rod and a pair of nuts sleeved on the connecting rod, wherein the connecting rod is detachably and fixedly connected with the two universal balls, the two nuts are positioned between the two universal balls, the nuts are in ball hinge joint with the universal balls, one end of each nut, far away from the connecting rod, is provided with a locking sleeve in threaded connection, and one end of each locking sleeve, close to each nut, can be abutted to the surface of each universal ball;
the clamping piece comprises a fixing screw with one end in threaded connection with the locking sleeve and a cover body sleeved on the fixing screw, a bolt head is arranged at one end, far away from the locking sleeve, of the fixing screw, the cover body can slide along the length direction of the fixing screw, the bolt head can be abutted to one end, far away from the locking sleeve, of the cover body, and a connecting rod can be clamped between the cover body and the locking sleeve.
Through adopting above-mentioned technical scheme, connecting piece and a pair of clamping piece that this application set up, when fixing fracture position department is needed, set up the position department at two adjacent connecting rods with this universal fixation clamp, at the in-process fixed to the connecting rod, can adjust the angle between clamping piece and the connecting piece at any time according to the needs of actual operating environment, realize the fixed of multiplanar multi-angle, so as to adapt to the requirement under the complex fixed operating environment, and at the in-process of operation, can be fixed in advance to the connecting rod earlier, after the prefixed is accomplished, can finely tune the detail position, after all setting up is accomplished, finally fix, therefore, the clamping piece and the connecting piece of setting up, can avoid operating the in-process, the angle between clamping piece and the connecting piece is adjusted repeatedly, the efficiency of installing two adjacent connecting rods has been improved greatly.
Optionally, the fixed screw is provided with the joining in marriage the support in a sliding way, join in marriage the support cover and establish on the fixed screw, and join in marriage the support and be located between lid and the lock sleeve, join in marriage and be used for pressing from both sides tight connecting rod between the support and the lid.
Through adopting above-mentioned technical scheme, the joining in marriage of setting holds in palm, is carrying out the in-process of fixing to the connecting rod, and the lid uses with the cooperation of joining in marriage the support, can increase the fixed effect to the connecting rod, and the lid can press from both sides the connecting rod with joining in marriage the support, prevents that the connecting rod from coming off from the clamping piece.
Optionally, three clamping grooves are respectively formed in the opposite surfaces between the cover body and the matching support, the clamping grooves on the cover body correspond to the clamping grooves on the matching support one by one, and the three groups of clamping grooves are different in size.
By adopting the technical scheme, the sizes of the three clamping grooves are different from each other, and the three clamping grooves are used for adapting to connecting rods with different diameter sizes.
Optionally, be provided with the round hole that runs through on the lock sleeve, the axis of round hole is perpendicular with the axis of lock sleeve, wear to be equipped with the eccentric shaft in the round hole, the one end of eccentric shaft is located the lock sleeve outside, be provided with the steel bowl in the lock sleeve, the steel bowl slides along the length direction of lock sleeve, the recess has been seted up to steel bowl one end, the eccentric shaft can inlay and establish in the recess, the one end that the recess was kept away from to the steel bowl is the concave cambered surface, the sphere and the steel bowl cooperation of universal ball.
Through adopting above-mentioned technical scheme, in the use, the staff rotates the eccentric shaft, under the effect of eccentric shaft, the eccentric shaft can promote the steel bowl and slide towards the direction of universal ball, make the one end of steel bowl indent cambered surface closely laminate with the universal ball, the in-process of gradually rotating the eccentric shaft, the steel bowl can extrude the universal ball on the nut, thereby reach the purpose of fixed universal ball, prevent to take place to rotate between universal ball and the nut, when the eccentric shaft is in the state of not screwing, can adjust the relative angle between two connecting pieces wantonly, realize the fixed of multi-planar multi-angle, and the eccentric shaft that sets up is fixed the in-process to the universal ball can realize quick realization to the universal ball and fix, fixed efficiency has been improved.
Optionally, join in marriage and hold in palm perpendicular fixedly connected with cylinder pole on the surface towards the lid, the lid is towards joining in marriage and hold in the palm the slot that corresponds with the cylinder pole on the surface, the cylinder pole can peg graft in the slot.
Through adopting above-mentioned technical scheme, the lid with join in marriage when holding in the palm the clamp connection pole, the lid is towards joining in marriage to hold in the palm the removal, and the cylinder pole can peg graft in the slot, and the cylinder pole that sets up can prevent that the lid from joining in marriage the position emergence of holding in the palm matched with clamp groove on holding in the palm, guarantees the lid and joins in marriage clamp groove assorted on holding in the palm.
Optionally, a plurality of mouse teeth are arranged on the surface of the matching support opposite to the locking sleeve.
Through adopting above-mentioned technical scheme, when set screw screws to the lock sleeve, join in marriage and hold in the palm with lock sleeve butt, the mouse tooth that sets up can intermesh, increases the frictional force of joining in marriage between holding in the palm and the lock sleeve, guarantees the stability of its structure after locking.
Optionally, the fixed screw is gone up the cover and is equipped with the spring, the spring is located between joining in marriage and holding in the palm and the lock sleeve to the one end and the joining in marriage the support butt of spring, the other end and lock sleeve butt.
Through adopting above-mentioned technical scheme, when set screw does not screw to the lock sleeve, under spring force effect, make the joining in marriage and hold in the palm can support all the time to the lid on, can play the effect of pre-locking to the connecting rod, make things convenient for operation in the art, avoid operation repeatedly in the art, reduce operation time.
Optionally, the clamping groove on the lid is convex, the clamping groove on the joining in marriage holds in the palm is the V type, evenly be provided with the non slipping spur on the internal surface in clamping groove on the lid.
By adopting the technical scheme, the clamping groove on the bracket is V-shaped, and the maximum clamping force can be ensured when the connecting rod is fixed; the antiskid block that sets up can compress tightly on the surface of connecting rod, prevents when pressing from both sides tight connecting rod that the connecting rod from taking place to rotate.
Optionally, the fixed screw is gone up the cover and is equipped with spherical gasket, spherical gasket is located between bolt head and the lid, and spherical gasket can the butt on the lid.
Through adopting above-mentioned technical scheme, when set screw does not screw to the lock sleeve on, the spherical gasket that sets up can guarantee that the lid rotates in a flexible way, reduces the frictional force between lid and the bolt head to can adjust the angle of centre gripping connecting rod as required.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the connecting piece and the pair of clamping pieces are arranged, when the fracture position is required to be fixed, the fixing clamp is arranged at the position of the two adjacent connecting rods, in the process of fixing the connecting rods, the angle between the clamping pieces and the connecting pieces can be adjusted at any time according to the requirement of an actual operation environment, the multi-plane multi-angle fixing is realized, so that the requirement of the complex fixed operation environment is met, in the process of operation, the connecting rods can be pre-fixed firstly, fine adjustment can be carried out on detail parts after the pre-fixing is finished, and after all the setting is finished, final fixing is carried out, so that the arranged clamping pieces and connecting pieces can avoid the operation process, the angle between the clamping pieces and the connecting pieces can be adjusted repeatedly, and the efficiency of installing the two adjacent connecting rods is greatly improved;
2. under the effect of eccentric shaft, the eccentric shaft can promote the steel bowl and slide towards the direction of universal ball, makes the one end of steel bowl indent cambered surface can closely laminate with the universal ball, rotates the in-process of eccentric shaft gradually, and the steel bowl can extrude the universal ball on the nut to reach the purpose of fixed universal ball, prevent to take place to rotate between universal ball and the nut.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
fig. 2 is an exploded schematic view of a clamp embodying an embodiment of the present application.
Reference numerals illustrate: 1. a connecting piece; 11. a connecting rod; 12. a universal ball; 13. a nut; 14. a locking sleeve; 15. a round hole; 16. an eccentric shaft; 17. a steel bowl; 18. a groove; 2. a clamping member; 21. a fixing screw; 211. a bolt head; 22. a cover body; 221. a slot; 23. carrying out supporting; 231. a cylindrical rod; 24. a clamping groove; 25. a spring; 26. mouse teeth; 27. spherical gaskets.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a universal multipurpose fixing clamp. Referring to fig. 1, the universal multipurpose fixing clip comprises a connecting piece 1 and clamping pieces 2 symmetrically arranged at two ends of the connecting piece 1, wherein the two clamping pieces 2 are detachably connected at two ends of the connecting piece 1, when a fracture of a human body is fixed, the connecting piece 1 is fixed, the clamping pieces 2 can clamp connecting rods, the two clamping pieces 2 can clamp two adjacent connecting rods, and the arranged clamping pieces 2 can rotate around the connecting piece 1, so that the angle between the two clamping pieces 2 can be changed at any time, and the requirements of complex operation environments of the fracture of the human body can be met.
Referring to fig. 1 and 2, the connector 1 includes a cylindrical connection rod 11 and universal balls 12 symmetrically disposed at both ends of the connection rod 11, the two universal balls 12 are in threaded connection with the ends of the connection rod 11, a pair of nuts 13 are sleeved on the connection rod 11, the two nuts 13 are located between the two universal balls 12, the two nuts 13 can move along the length direction of the connection rod 11, the nuts 13 are ball-hinged with the universal balls 12, and the two universal balls 12 can be clamped with the nuts 13 to prevent the nuts 13 from falling off from the connection rod 11; the end of the nut 13 far away from the connecting rod 11 is provided with a locking sleeve 14, the end part of the locking sleeve 14 is in threaded connection with the nut 13, and the end of the locking sleeve 14 close to the nut 13 can be abutted with the spherical surface of the universal ball 12.
Further, the through round hole 15 is formed in the locking sleeve 14, the eccentric shaft 16 is arranged in the round hole 15 in a penetrating manner, one end of the eccentric shaft 16 is located at the outer side of the locking sleeve 14, the axis of the round hole 15 is perpendicular to the axis of the locking sleeve 14, a cylindrical steel bowl 17 is arranged in the sliding manner in the locking sleeve 14, the steel bowl 17 can slide along the length direction of the locking sleeve 14, a groove 18 is formed in one end of the steel bowl 17, an indent cambered surface is formed in the other end of the steel bowl 17, the eccentric position of the eccentric shaft 16 can be embedded in the groove 18, one end of the steel bowl 17, which is the indent cambered surface, is matched with the spherical surface of the universal ball 12, in the use process, a worker rotates the eccentric shaft 16, under the action of the eccentric shaft 16, the eccentric shaft 16 can push the steel bowl 17 to slide towards the direction of the universal ball 12, one end of the indent cambered surface of the steel bowl 17 can be tightly attached to the universal ball 12, and in the process of gradually rotating the steel bowl 17 can squeeze the universal ball 12 onto the nut 13, so that the purpose of fixing the universal ball 12 is achieved, rotation between the universal ball 12 and the nut 13 is prevented, when the eccentric shaft 16 is in a state not being in a screwed state, multiple angles between two connecting pieces 1 can be adjusted, and multiple planes can be fixed.
Referring to fig. 1 and 2, the clamping member 2 includes a fixing screw 21 horizontally disposed, and a cover 22 and a retainer 23 disposed on the fixing screw 21, the fixing screw 21 is coaxially disposed with the lock sleeve 14, and an end portion of the fixing screw 21 is screw-coupled to an end of the lock sleeve 14 remote from the nut 13, an end of the fixing screw 21 remote from the lock sleeve 14 is fixedly coupled with a bolt head 211, both the cover 22 and the retainer 23 are sleeved on the fixing screw 21, and the cover 22 and the retainer 23 can slide along a length direction of the fixing screw 21, the cover 22 is disposed at an end of the fixing screw 21 close to the bolt head 211, the bolt head 211 can abut on a surface of the cover 22, the retainer 23 is disposed at an end close to the lock sleeve 14, and a connecting rod is clamped between the cover 22 and the retainer 23.
Further, three clamping grooves 24 are respectively formed in the opposite surfaces of the cover 22 and the matching support 23, the clamping grooves 24 on the cover 22 and the clamping grooves 24 on the matching support 23 are in one-to-one correspondence, three groups of clamping grooves 24 are circumferentially and equidistantly distributed along the axis of the fixing screw 21, and the three groups of clamping grooves 24 are different in size and are used for adapting to connecting rods with different diameters; the clamping groove 24 on the cover 22 is arc-shaped, the clamping groove 24 on the matching support 23 is V-shaped, the maximum clamping force can be ensured when the connecting rod is fixed, a plurality of anti-skid blocks (not shown in the figure) which are distributed along the length direction of the clamping groove 24 at equal intervals are fixedly connected to the inner surface of the clamping groove 24 on the cover 22, and when the connecting rod is clamped, the set anti-skid blocks can be pressed on the surface of the connecting rod to prevent the connecting rod from rotating when the connecting rod is clamped.
Referring to fig. 1 and 2, a cylindrical rod 231 is fixedly connected to the surface of the support 23 facing the cover 22, the cylindrical rod 231 extends towards the cover 22, a slot 221 is formed in the surface of the cover 22 facing the support 23, the cylindrical rod 231 can be inserted into the slot 221, when the cover 22 and the support 23 clamp the connecting rod, the cover 22 moves towards the support 23, the set cylindrical rod 231 can prevent the position of the matched clamping groove 24 on the cover 22 and the support 23 from deviating, and the matching of the clamping groove 24 on the cover 22 and the support 23 is ensured.
The spring 25 is sleeved on the fixing screw 21, the spring 25 is positioned between the locking sleeve 14 and the matching support 23, one end of the spring 25 is abutted against the locking sleeve 14, the other end of the spring 25 is abutted against the matching support 23, when the fixing screw 21 is not screwed to the locking sleeve 14, the matching support 23 can be always abutted against the cover 22 under the elastic force of the spring 25, the connecting rod can be pre-locked, operation in operation is facilitated, repeated operation in operation is avoided, and operation time is shortened.
Referring to fig. 1 and 2, further, a plurality of mouse teeth 26 are fixedly connected to opposite surfaces of the locking sleeve 14 and the matching support 23, the plurality of mouse teeth 26 are circumferentially equidistantly distributed along the axis of the fixing screw 21, when the fixing screw 21 is screwed on the locking sleeve 14, the matching support 23 is abutted to the locking sleeve 14, the set mouse teeth 26 can be meshed with each other, friction force between the matching support 23 and the locking sleeve 14 is increased, and stability of a structure after the locking is guaranteed.
A spherical gasket 27 is arranged between the bolt head 211 and the cover body 22, the spherical gasket 27 is sleeved on the fixing screw 21, the spherical gasket 27 can be abutted on the cover body 22, when the fixing screw 21 is not screwed on the locking sleeve 14, the arranged spherical gasket 27 can ensure that the cover body 22 flexibly rotates, reduce the friction force between the cover body 22 and the bolt head 211, and adjust the angle of the clamping connecting rod according to the requirement.
The implementation principle of the universal multipurpose fixing clamp provided by the embodiment of the application is as follows: when the fracture position of the human body is fixed, a worker adopts a plurality of connecting rods and fixing clamps according to actual needs, the fracture position is fixed by adopting square connection, when the connecting rods are arranged at the fracture position, the fixing clamps are connected at the positions of two adjacent connecting rods, the angle between the two clamping pieces 2 is firstly adjusted, after the adjustment is finished, the connecting rods are inserted into the clamping grooves 24, then the fixing screws 21 are screwed, and finally, the eccentric shafts 16 are rotated, so that the two clamping pieces 2 and the connecting pieces 1 are firmly fixed.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The utility model provides a universal multipurpose fixation clamp which characterized in that: the connecting device comprises a connecting piece (1) and clamping pieces (2) symmetrically arranged at two ends of the connecting piece (1), wherein the clamping pieces (2) are used for fixing connecting rods, the clamping pieces (2) are detachably fixed on the connecting piece (1), and the two clamping pieces (2) can rotate around the connecting piece (1);
the connecting piece (1) comprises a connecting rod (11), a pair of universal balls (12) symmetrically arranged at two ends of the connecting rod (11) and a pair of nuts (13) sleeved on the connecting rod (11), wherein the connecting rod (11) is detachably and fixedly connected with the two universal balls (12), the two nuts (13) are positioned between the two universal balls (12), the nuts (13) are in ball hinge joint with the universal balls (12), one end, far away from the connecting rod (11), of each nut (13) is provided with a locking sleeve (14) in threaded connection, and one end, close to the nuts (13), of each locking sleeve (14) can be abutted to the surface of the universal ball (12);
the novel locking sleeve is characterized in that a through round hole (15) is formed in the locking sleeve (14), the axis of the round hole (15) is perpendicular to the axis of the locking sleeve (14), an eccentric shaft (16) is arranged in the round hole (15) in a penetrating mode, one end of the eccentric shaft (16) is located at the outer side of the locking sleeve (14), a steel bowl (17) is arranged in the locking sleeve (14), the steel bowl (17) slides along the length direction of the locking sleeve (14), a groove (18) is formed in one end of the steel bowl (17), the eccentric shaft (16) can be embedded in the groove (18), one end, far away from the groove (18), of the steel bowl (17) is a concave cambered surface, and the spherical surface of the universal ball (12) is matched with the steel bowl (17);
the clamping piece (2) comprises a fixing screw (21) with one end in threaded connection with the locking sleeve (14) and a cover body (22) sleeved on the fixing screw (21), one end, far away from the locking sleeve (14), of the fixing screw (21) is provided with a bolt head (211), the cover body (22) can slide along the length direction of the fixing screw (21), the bolt head (211) can be abutted to one end, far away from the locking sleeve (14), of the cover body (22), and a connecting rod can be clamped between the cover body (22) and the locking sleeve (14);
the fixing screw (21) is provided with a matching support (23) in a sliding manner, the matching support (23) is sleeved on the fixing screw (21), the matching support (23) is positioned between the cover body (22) and the locking sleeve (14), and a connecting rod is clamped between the matching support (23) and the cover body (22);
three clamping grooves (24) are formed in the surfaces, opposite to each other, of the cover body (22) and the matching support (23), the clamping grooves (24) in the cover body (22) are in one-to-one correspondence with the clamping grooves (24) in the matching support (23), and the three groups of clamping grooves (24) are different in size.
2. The universal multipurpose clamp as claimed in claim 1, wherein: the cylindrical rod (231) is vertically and fixedly connected to the surface of the matching support (23) facing the cover body (22), the surface of the cover body (22) facing the matching support (23) is provided with a slot (221) corresponding to the cylindrical rod (231), and the cylindrical rod (231) can be inserted into the slot (221).
3. The universal multipurpose clamp as claimed in claim 1, wherein: the surfaces of the matching support (23) opposite to the locking sleeve (14) are provided with a plurality of mouse teeth (26).
4. The universal multipurpose clamp as claimed in claim 1, wherein: the fixing screw (21) is sleeved with a spring (25), the spring (25) is located between the matching support (23) and the locking sleeve (14), one end of the spring (25) is abutted to the matching support (23), and the other end of the spring is abutted to the locking sleeve (14).
5. The universal multipurpose clamp as claimed in claim 1, wherein: the clamping groove (24) on the cover body (22) is arc-shaped, the clamping groove (24) on the matching support (23) is V-shaped, and anti-sliding blocks are uniformly arranged on the inner surface of the clamping groove (24) on the cover body (22).
6. The universal multipurpose clamp as claimed in claim 1, wherein: the fixing screw (21) is sleeved with a spherical gasket (27), the spherical gasket (27) is located between the bolt head (211) and the cover body (22), and the spherical gasket (27) can be abutted to the cover body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444082.9A CN113509308B (en) | 2021-04-23 | 2021-04-23 | Universal multipurpose fixing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444082.9A CN113509308B (en) | 2021-04-23 | 2021-04-23 | Universal multipurpose fixing clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113509308A CN113509308A (en) | 2021-10-19 |
| CN113509308B true CN113509308B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110444082.9A Active CN113509308B (en) | 2021-04-23 | 2021-04-23 | Universal multipurpose fixing clamp |
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| Country | Link |
|---|---|
| CN (1) | CN113509308B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4475546A (en) * | 1983-06-23 | 1984-10-09 | Patton Stephen M | External fixation apparatus |
| US6221072B1 (en) * | 1997-11-03 | 2001-04-24 | Gerrit Johannes Termaten | Device for fixing bone sections relative to each other |
| CN201353189Y (en) * | 2009-02-05 | 2009-12-02 | 武汉市鹏来科技发展有限公司 | External fixer for orthopaedics |
| CN209404910U (en) * | 2018-08-27 | 2019-09-20 | 霍仁斌 | A kind of bridge connected power type Articulatio carpi exterior fixing rack |
-
2021
- 2021-04-23 CN CN202110444082.9A patent/CN113509308B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4475546A (en) * | 1983-06-23 | 1984-10-09 | Patton Stephen M | External fixation apparatus |
| US6221072B1 (en) * | 1997-11-03 | 2001-04-24 | Gerrit Johannes Termaten | Device for fixing bone sections relative to each other |
| CN201353189Y (en) * | 2009-02-05 | 2009-12-02 | 武汉市鹏来科技发展有限公司 | External fixer for orthopaedics |
| CN209404910U (en) * | 2018-08-27 | 2019-09-20 | 霍仁斌 | A kind of bridge connected power type Articulatio carpi exterior fixing rack |
Non-Patent Citations (2)
| Title |
|---|
| 万向锁定钢板在四肢干骺端骨折中的临床应用;任志富;卢俊范;谭磊;王景彦;谭广毅;孙德修;;中国矫形外科杂志(06);全文 * |
| 锁骨骨折万向外固定器的研制及临床应用;谢世华;韩春鸣;彭瑞明;李霞;常德海;俞春晖;;临床医学工程(11);全文 * |
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|---|---|
| CN113509308A (en) | 2021-10-19 |
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