CN204306888U - Press plier - Google Patents
Press plier Download PDFInfo
- Publication number
- CN204306888U CN204306888U CN201420727842.2U CN201420727842U CN204306888U CN 204306888 U CN204306888 U CN 204306888U CN 201420727842 U CN201420727842 U CN 201420727842U CN 204306888 U CN204306888 U CN 204306888U
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- CN
- China
- Prior art keywords
- handle
- nip portion
- bearing pin
- binding clip
- clip body
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Abstract
The utility model discloses in medical instruments field for extruding the Press Plier of flat joint, comprise: first, second handle, first handle upper end is provided with the first binding clip body, first binding clip body is hinged with the second binding clip body, first, the top of the second binding clip body is respectively first, second nip portion, the lower end of the second binding clip body and the upper end of second handle are hinged, two ends of connecting rod piece are hinged with two handles respectively, the lower surface of connecting rod piece is provided with some unidirectional locking tooths, second handle being provided with to coordinate with unidirectional locking tooth makes two handles be in the safety fastener of self-locking state, be provided with release groove being positioned at below unidirectional locking tooth, described Press Plier is also provided with the elasticity reset device that the first nip portion and the second nip portion can be made to have the trend of opening.This utility model can discharge reset after having energy automatic locking, compression, can also carry out the advantages such as gear adjustment.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of Press Plier for extruding the devices such as flat joint.
Background technology
When carrying out bone surgery, often to use the skeleton of cable to generation bone splits, fracture and tie up operation, two of cable are needed to stretch in the devices such as flat joint or snap close after tying up, then flat joint is extruded with Press Plier, flat joint is made to produce deformation, thus two of cable are fastened in flat joint, complete and steady job is tied up to skeleton.Traditional Press Plier comprises handle and compresses binding clip, described handle comprises interconnective first handle and second handle, described compression binding clip comprises and carries out the first binding clip of being laminated and the second binding clip by handle, the opposite face of the first binding clip and the second binding clip can compress mutually, described opposite face offers respectively the first clip slot and second clip slot of coupling snap close shape.The shortcoming of this Press Plier is: owing to not having self-locking and release reset function, even if flat joint is pressed to required degree, Press Plier also can not discharge reset automatically, so the compacted degree of flat joint is all different during each operation, that presses not tightly can cause coming off of cable, patient is postoperative may cause danger, pressure too tightly may cause flat joint failure again, postoperative risk can be produced equally.In addition, the Press Plier of said structure can not adjust the compression degree of two binding clips according to the size of flat joint, this brings huge difficulty to user again undoubtedly.
Utility model content
The purpose of this utility model is to provide a kind ofly to be had auto-lock function, is pressed to specified degree and can discharges reset, also can carry out the Press Plier of gear adjustment in addition.
For solving the problem, the technical solution adopted in the utility model is: Press Plier, comprise: first handle and second handle, first handle upper end is provided with the first binding clip body with first handle one, first binding clip body is hinged by the first bearing pin and is connected to the second binding clip body, the top of the first binding clip body and the second binding clip body is respectively arranged with the first nip portion and the second nip portion, the lower end of the second binding clip body and the upper end of second handle are hinged by the second bearing pin, one end of connecting rod piece is hinged by the 3rd bearing pin and second handle, the other end of connecting rod piece is hinged by the 4th bearing pin and first handle, open or close up first handle and second handle can make the first nip portion and the second nip portion along with opening or closing up, the lower surface of the connecting rod piece near second handle is provided with some unidirectional locking tooths be arranged in order, safety fastener passes through the 5th hinge on second handle, protruding end on safety fastener is provided with the lobe that can be meshed with unidirectional locking tooth, insurance back-moving spring is connected with between opposite side relative with lobe on safety fastener and second handle, the lower surface being positioned at the connecting rod piece inside unidirectional locking tooth is provided with release groove, insurance back-moving spring, matching relationship between safety fastener and unidirectional locking tooth is: when closing up first handle and second handle and make lobe and unidirectional locking tooth be in engage each other state, under this state, first handle and second handle can only mutually close up and can not outwards open, now first handle and second handle are in self-locking state, along with two handles constantly close up, lobe is also continuous to be moved to direction inside unidirectional locking tooth, when lobe moves to release groove, lobe and unidirectional locking tooth depart from mutually, first handle and second handle are removed self-locking state and can open, described Press Plier is also provided with the elasticity reset device that the first nip portion and the second nip portion can be made to have the trend of opening.
Further, aforesaid Press Plier, wherein: described elasticity reset device is for opening back-moving spring, and two ends opening back-moving spring are connected on the first binding clip body and the second binding clip body, opens back-moving spring and the first nip portion and the second nip portion can be made freely to open.
Further, aforesaid Press Plier, wherein: on the 4th bearing pin, be provided with gearshift eccentric cam, and eccentric cam of shifting gears is arranged in the pin-and-hole on connecting rod piece, make rotation the 4th bearing pin can regulate connection distance between the 3rd bearing pin and the 4th bearing pin, thus realize the minimum pressing distance between adjustment first nip portion and the second nip portion.
Further, aforesaid Press Plier, wherein: in the end sleeve of the 4th bearing pin, rotation positioning cap is housed, 4th bearing pin can move axially therebetween with rotation positioning cap but can not relatively rotate, rotate positioning cap to rotate in first handle together with the 4th bearing pin, rotation positioning cap is provided with alignment pin, first handle is provided with some locating holes that can be inserted by alignment pin.
Further, aforesaid Press Plier, wherein: on second handle, be hinged with an auxiliary-handle, auxiliary-handle between first handle and second handle, be also provided with between auxiliary-handle and second handle auxiliary-handle can be made outwards to strut strut spring.
Further, aforesaid Press Plier, wherein: be provided with outwardly convex lip second in the middle of nip portion, the first nip portion is provided with the pressing groove merging and can hold convex lip that to match with convex lip.
Further, aforesaid Press Plier, wherein: on safety fastener, be provided with group handle pulling safety fastener.
Further, aforesaid Press Plier, wherein: on the lateral surface of first handle and second handle, be provided with undulatory anti-skidding groove.
The beneficial effects of the utility model are: have automatic locking and release reset function, in use procedure when the devices such as flat joint or snap close are forced into required degree, Press Plier will discharge reset automatically, crimping precision is high, avoids flat joint by what press not tightly cause cable to get loose or caused the generation of the situations such as flat joint failure by the tension of pressing; In addition, also there is gear adjusting function, compression degree between two binding clip bodies can be adjusted according to the size of flat joint.
Accompanying drawing explanation
Fig. 1 is the structural representation of Press Plier described in the utility model.
Fig. 2 is the structural representation of the right apparent direction of Fig. 1.
Fig. 3 is the structural representation of A-A section in Fig. 2.
Fig. 4 is the structural representation overlooking direction of Fig. 2.
Fig. 5 is the structure for amplifying schematic diagram in M region in Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, technical scheme described in the utility model is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, described Press Plier, comprise: first handle 1 and second handle 2, in the present embodiment, the lateral surface of first handle 1 and second handle 2 is provided with undulatory anti-skidding groove 3, anti-skidding groove 3 can strengthen the frictional force between handle and hands, prevents operator from slipping out of the hand in process is had an effect in use.First handle 1 upper end is provided with the first binding clip body 4 with first handle 1 one, first binding clip body 4 is hinged by the first bearing pin 5 and is connected to the second binding clip body 6, the top of the first binding clip body 4 and the second binding clip body 6 is respectively arranged with the first nip portion 7 and the lower end of the second nip portion 8, second binding clip body 6 and the upper end of second handle 2 and is hinged by the second bearing pin 9.As Fig. 4, shown in Fig. 5, in the present embodiment, outwardly convex lip 10 is provided with in the middle of the second nip portion 8, first nip portion 7 is provided with the pressing groove 11 merging and can hold convex lip 10 that to match with convex lip 10, because convex lip 10 and pressing groove 11 are to the pressing effect of flat joint both sides, correspondingly there is deformation in the through hole making flat joint and inside thereof be equipped with cable, the middle part being embodied in through hole bends to pressing groove 11 direction, the two ends of through hole bend to convex lip 10 direction, this bending structure of through hole not only has inside clamping force to cable both sides, and have stronger buckle pulling force along through hole axial direction to cable, improve the fastening effect to cable.One end of connecting rod piece 12 is hinged with second handle 2 by the 3rd bearing pin 13, the other end of connecting rod piece 12 is hinged with first handle 1 by the 4th bearing pin 30, opens or closes up first handle 1 and second handle 2 can make the first nip portion 7 and the second nip portion 8 along with opening or closing up.In the present embodiment, 4th bearing pin 30 is provided with gearshift eccentric cam 14, and eccentric cam 14 of shifting gears is arranged in the pin-and-hole 33 on connecting rod piece 12, rotate gearshift eccentric cam 14 can regulate connection distance between the 3rd bearing pin 13 and the 4th bearing pin 30 by rotating the 4th bearing pin 30, namely can distance on regulating connecting rod sheet 12 respectively and between the hinged pin joint of two handles, thus the minimum pressing distance realized between adjustment first nip portion 7 and the second nip portion 8, in actual fabrication, one can be set with in the end of the 4th bearing pin 30 and rotate positioning cap 16, 4th bearing pin 30 can move axially therebetween with rotation positioning cap 16 but can not relatively rotate, rotate positioning cap 16 to rotate in first handle 1 together with the 4th bearing pin 30, make to rotate in the pin-and-hole 33 of gearshift eccentric cam 14 on connecting rod piece, to regulate the connection distance between the 3rd bearing pin 13 and the 4th bearing pin 30, thus the minimum pressing distance realized between adjustment first nip portion 7 and the second nip portion 8, in the present embodiment, rotation positioning cap 16 on be provided with two identical with the distance in the 4th bearing pin 30 axle center, and the alignment pin that 180 ° symmetrical, first handle 1 is correspondingly provided with the locating hole that at least two energy are inserted by alignment pin.Rotating rotation positioning cap 16 makes the eccentric far-end of gearshift eccentric cam 14 after the 3rd bearing pin 13, alignment pin is inserted in locating hole, connection now between the 3rd bearing pin 13 and the 4th bearing pin 30, apart from elongated, can increase the minimum pressing distance between the first nip portion 7 and the second nip portion 8; Rotating rotation positioning cap 16 makes the eccentric far-end of gearshift eccentric cam 14 away from after the 3rd bearing pin 13, alignment pin is inserted in locating hole, connection distance now between the 3rd bearing pin 13 and the 4th bearing pin 30 shortens, the minimum pressing distance between the first nip portion 7 and the second nip portion 8 can be reduced, thus gear adjustment can be realized, to adapt to the crimping operation of the flat joint of different size, alignment pin and locating hole can prevent rotating positioning cap 16 and rotate freely, and after gear is regulated, the crimping operation of Press Plier is more reliable.In addition, second handle 2 is hinged with an auxiliary-handle 18, auxiliary-handle 18 is between first handle 1 and second handle 2, also be provided with between auxiliary-handle 18 and second handle 2 auxiliary-handle 18 can be made outwards to strut strut spring 19, being provided with of auxiliary-handle 18 helps operator only needs one hand to operate in initial compaction process, uses convenient.The lower surface of the connecting rod piece 12 near second handle 2 is provided with some unidirectional locking tooths 21 be arranged in order, safety fastener 22 is hinged on second handle 2 by the 5th bearing pin 23, protruding end on safety fastener 22 is provided with the lobe 24 that can be meshed with unidirectional locking tooth 21, be connected with between opposite side relative with lobe 24 on safety fastener 22 and second handle 2 and insure back-moving spring 25, the lower surface being positioned at the connecting rod piece 12 inside unidirectional locking tooth 21 is provided with release groove 26, insurance back-moving spring 25, matching relationship between safety fastener 22 and unidirectional locking tooth 21 is: when closing up first handle 1 and second handle 2 and make lobe 24 and unidirectional locking tooth 21 be in engage each other state, under this state, first handle 1 and second handle 2 can only mutually close up and can not outwards open, now first handle 1 and second handle 2 are in self-locking state, along with two handles constantly close up, lobe 24 is also continuous to be moved to direction inside unidirectional locking tooth 21, when lobe 24 moves to release groove 26, lobe 24 and unidirectional locking tooth 21 depart from mutually, first handle 1 and second handle 2 are removed self-locking state and can be opened.Safety fastener 22 is provided with group handle 27 pulling safety fastener 22, can manually makes lobe 24 and unidirectional locking tooth 21 depart from by this group of handle 27, make first handle and second handle remove self-locking state and can freely open.Described Press Plier is also provided with the first nip portion 7 and the second nip portion 8 can be made to have the trend of opening open back-moving spring 31, two ends opening back-moving spring 31 are connected on the first binding clip body 4 and the second binding clip body 6, open back-moving spring 31 can make releasing self-locking state after the first nip portion 7 and the second nip portion 8 automatically open reset.
The using method of Press Plier described in the utility model is as follows: first carry out gear adjustment according to the size of flat joint, rotate and rotate positioning cap 16, make shift gears eccentric cam 14 eccentric far-end near or away from after the 3rd bearing pin 13, alignment pin on positioning cap 16 is inserted in corresponding locating hole, prevent positioning cap 16 from freely rotating, thus complete gear adjustment---namely complete the adjustment of the minimum pressing distance between the first nip portion 7 and the second nip portion 8.Two of the cable of skeleton to be tied up are stretched in flat joint or similar tight locking button, and after cable is tightened up, the first nip portion 7 and the second nip portion 8 is made to aim at flat joint two sides respectively, by pressing first handle 1 and second handle 2 in opposite directions, the first nip portion 7 and the second nip portion 8 is made to move in opposite directions thus clamp flat joint, in the process that first handle 1 and second handle 2 close up mutually, lobe 24 and unidirectional locking tooth 21 are in the state of engaging each other, in this case, first handle 1 and second handle 2 can only mutually close up and can not outwards open, now first handle 1 and second handle 2 are in self-locking state, along with two handles constantly close up, lobe 24 is also continuous to be moved to direction inside unidirectional locking tooth 21, until make flat joint reach required deformation degree and be fastened on by cable after in flat joint, lobe 24 also moves in release groove 26 just, now lobe 24 and unidirectional locking tooth 21 depart from mutually, first handle 1 and second handle 2 remove self-locking state, and can reset by automatic rebounding under the effect of opening back-moving spring 31.
Because Press Plier described in the utility model has automatic locking and release reset function, in use procedure when the devices such as flat joint or snap close are forced into required degree, Press Plier can discharge reset automatically, crimping precision is high, avoids flat joint by what press not tightly cause cable to get loose or caused the generation of the situations such as flat joint failure by the tension of pressing; In addition, owing to having gear adjusting function, compression degree between two binding clip bodies can be adjusted according to the size of flat joint, thus the flat joint of plurality of specifications size can be applicable to, also greatly facilitate the practical operation of user, reduce operation risk.
Claims (9)
1. Press Plier, comprise: first handle and second handle, first handle upper end is provided with the first binding clip body with first handle one, first binding clip body is hinged by the first bearing pin and is connected to the second binding clip body, the top of the first binding clip body and the second binding clip body is respectively arranged with the first nip portion and the second nip portion, the lower end of the second binding clip body and the upper end of second handle are hinged by the second bearing pin, it is characterized in that: one end of connecting rod piece is hinged by the 3rd bearing pin and second handle, the other end of connecting rod piece is hinged by the 4th bearing pin and first handle, open or close up first handle and second handle can make the first nip portion and the second nip portion along with opening or closing up, the lower surface of the connecting rod piece near second handle is provided with some unidirectional locking tooths be arranged in order, safety fastener passes through the 5th hinge on second handle, protruding end on safety fastener is provided with the lobe that can be meshed with unidirectional locking tooth, insurance back-moving spring is connected with between opposite side relative with lobe on safety fastener and second handle, the lower surface being positioned at the connecting rod piece inside unidirectional locking tooth is provided with release groove, insurance back-moving spring, matching relationship between safety fastener and unidirectional locking tooth is: when closing up first handle and second handle and make lobe and unidirectional locking tooth be in engage each other state, under this state, first handle and second handle can only mutually close up and can not outwards open, now first handle and second handle are in self-locking state, along with two handles constantly close up, lobe is also continuous to be moved to direction inside unidirectional locking tooth, when lobe moves to release groove, lobe and unidirectional locking tooth depart from mutually, first handle and second handle are removed self-locking state and can open, described Press Plier is also provided with the elasticity reset device that the first nip portion and the second nip portion can be made to have the trend of opening.
2. Press Plier according to claim 1, it is characterized in that: described elasticity reset device is for opening back-moving spring, two ends opening back-moving spring are connected on the first binding clip body and the second binding clip body, open back-moving spring and the first nip portion and the second nip portion can be made freely to open.
3. Press Plier according to claim 1, it is characterized in that: on the 4th bearing pin, be provided with gearshift eccentric cam, and eccentric cam of shifting gears is arranged in the pin-and-hole on connecting rod piece, make rotation the 4th bearing pin can regulate connection distance between the 3rd bearing pin and the 4th bearing pin, thus realize the minimum pressing distance between adjustment first nip portion and the second nip portion.
4. Press Plier according to claim 3, it is characterized in that: in the end sleeve of the 4th bearing pin, rotation positioning cap is housed, 4th bearing pin can move axially therebetween with rotation positioning cap but can not relatively rotate, rotate positioning cap to rotate in first handle together with the 4th bearing pin, rotation positioning cap is provided with alignment pin, first handle is provided with some locating holes that can be inserted by alignment pin.
5. the Press Plier according to claim 1 or 2 or 3, it is characterized in that: on second handle, be hinged with an auxiliary-handle, auxiliary-handle between first handle and second handle, be also provided with between auxiliary-handle and second handle auxiliary-handle can be made outwards to strut strut spring.
6. the Press Plier according to claim 1 or 2 or 3 or 4, is characterized in that: be provided with outwardly convex lip second in the middle of nip portion, and the first nip portion is provided with the pressing groove merging and can hold convex lip that to match with convex lip.
7. Press Plier according to claim 5, is characterized in that: be provided with outwardly convex lip second in the middle of nip portion, and the first nip portion is provided with the pressing groove merging and can hold convex lip that to match with convex lip.
8. the Press Plier according to claim 1 or 2 or 3, is characterized in that: on safety fastener, be provided with group handle pulling safety fastener.
9. the Press Plier according to claim 1 or 2 or 3, is characterized in that: on the lateral surface of first handle and second handle, be provided with undulatory anti-skidding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727842.2U CN204306888U (en) | 2014-11-28 | 2014-11-28 | Press plier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727842.2U CN204306888U (en) | 2014-11-28 | 2014-11-28 | Press plier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204306888U true CN204306888U (en) | 2015-05-06 |
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ID=53129226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420727842.2U Active CN204306888U (en) | 2014-11-28 | 2014-11-28 | Press plier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204306888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490461A (en) * | 2014-11-28 | 2015-04-08 | 江苏双羊医疗器械有限公司 | Crimping pliers |
-
2014
- 2014-11-28 CN CN201420727842.2U patent/CN204306888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490461A (en) * | 2014-11-28 | 2015-04-08 | 江苏双羊医疗器械有限公司 | Crimping pliers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |