CN116269551A - Adjustable retracting fixer - Google Patents
Adjustable retracting fixer Download PDFInfo
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- CN116269551A CN116269551A CN202310245383.8A CN202310245383A CN116269551A CN 116269551 A CN116269551 A CN 116269551A CN 202310245383 A CN202310245383 A CN 202310245383A CN 116269551 A CN116269551 A CN 116269551A
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- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
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- 238000000034 method Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0293—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with ring member to support retractor elements
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Abstract
The application discloses an adjustable retraction holder, it includes: an annular plate provided with a plurality of mounting openings in a surrounding manner; an expansion plate with one end installed in the installation opening and the other end opened at a preset angle; a first arcuate plate mounted on the annular plate bearing surface; the second arc-shaped plate is arranged on the annular plate bearing surface in a sliding manner and is matched with the first arc-shaped plate to form an inlet; and the adjusting component is arranged on the first arc-shaped plate and the second arc-shaped plate and used for adjusting the distance between the first arc-shaped plate and the second arc-shaped plate so as to change the size of the inlet. When the surgical operation device is used, the surgical field of the retracting fixer can be adjusted according to actual conditions, the operation space is enlarged, and the influence on the surgical operation is reduced.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an adjustable retracting fixator.
Background
With the development of medical technology, various medical instruments are layered endlessly, and the retracting fixator is one of them, so that the retracting fixator can reduce the operation difficulty, is convenient for operators to see the operation field clearly, and is widely applied to operating rooms.
At present, a common retracting fixer mainly comprises an annular mounting plate, an inlet piece is mounted on the mounting plate, meanwhile, an adjustable expansion plate is further arranged at the bottom of the mounting plate, and when the retractor is used, the angle of the expansion plate needs to be adjusted and then the retractor is placed at a preset position.
However, the size of the opening of the inlet piece of the current retracting fixator is generally limited, so that the condition that the operation field is not clearly seen in the operation process easily occurs, and the operator and the assistant are not perfectly matched to influence the normal operation of the operation, so that further improvement is needed.
Disclosure of Invention
The utility model provides an object provides an adjustable retractor anchor can be according to actual conditions to retractor the operation field of fixer and adjust, enlarges the operating space, reduces the influence to the operation.
The application provides an adjustable retracting fixer, adopts following technical scheme:
an adjustable retraction holder comprising: an annular plate provided with a plurality of mounting openings in a surrounding manner; an expansion plate with one end installed in the installation opening and the other end opened at a preset angle; a first arcuate plate mounted on the annular plate bearing surface; the second arc-shaped plate is arranged on the annular plate bearing surface in a sliding manner and is matched with the first arc-shaped plate to form an inlet; and the adjusting component is arranged on the first arc-shaped plate and the second arc-shaped plate and used for adjusting the distance between the first arc-shaped plate and the second arc-shaped plate so as to change the size of the inlet.
Through adopting above-mentioned technical scheme, in the in-process of using the retractor fixer, when the size of needs regulation entry, can drive the second arc through adjusting component and slide on the arc to adjust the size of entry between first arc and the second arc, this scheme can increase the art field, enlarges operation space of operation operating personnel, is favorable to the normal clear of operation.
The application further provides that the adjusting assembly comprises: the sliding grooves are formed in the two ends of the first arc-shaped plate; the sliding rod is arranged in the sliding groove along the extending direction of the sliding groove; arc-shaped laths which are fixed at two ends of the second arc-shaped plate and are matched with the sliding rods; a bump fixed on the end of the arc-shaped slat; the strip-shaped groove is arranged on the bearing surface of the first arc-shaped plate, is matched with the convex block and is communicated with the sliding groove; and the limiting piece is arranged on the convex block and used for limiting the position of the second arc-shaped plate.
Through adopting above-mentioned technical scheme, when the position of second arc is adjusted to needs, can remove the restriction of locating part to the second arc for arc slat slides on the slide bar, wait to slide to the predetermined position after, reuse the locating part to the lug the position limit can, the secondary scheme design is ingenious, can effectually restrict second arc position, easy operation.
The application further provides that the limiting piece comprises: a containing groove arranged on the protruding block; a movable block movably arranged in the accommodating groove; and the compression springs are arranged between the movable blocks and the inner walls of the accommodating grooves, strip-shaped openings are formed in two sides of the movable blocks, U-shaped clamping strips are movably sleeved on the sliding rods, two ends of each U-shaped clamping strip penetrate through the strip-shaped openings and are fixed on the outer sides of the movable blocks, and a plurality of clamping grooves which are embedded with the U-shaped clamping strips are formed in one side, far away from the arc-shaped strip plates, of the sliding rods.
Through adopting above-mentioned technical scheme, when needs slip second arc, only need press the movable block for U-shaped card strip is relieved with the gomphosis of draw-in groove, and when waiting that the second arc removes to predetermined position and need fix, at this moment, only need loosen the hand, the U-shaped card strip can be automatic under compression spring's elasticity effect with the draw-in groove mutual gomphosis that the slide bar outside corresponds, thereby realize the restriction to the second arc, this structure easy operation, the effect is obvious.
The novel arc-shaped plate is further characterized in that arc-shaped sheets are arranged on the inner sides of the first arc-shaped plate and the second arc-shaped plate, the bottoms and the tops of the arc-shaped sheets extend to the edges of the access opening, and a first adjusting part for adjusting the distance between the two arc-shaped sheets is arranged on the first arc-shaped plate and the second arc-shaped plate.
Through adopting above-mentioned technical scheme, the first adjusting part that sets up can adjust the distance between the arc piece when needs to can further increase the application scope of this application on the mobilizable basis of second arc, with the more actual conditions of adaptation.
The application further provides that the first adjusting part comprises: one end of the adjusting rod is fixed on the arc-shaped sheet, the other end of the adjusting rod penetrates out of the outer side of the first arc-shaped plate or the second arc-shaped plate, the outer end of the adjusting rod is in threaded connection with an adjusting ring, and one end of the adjusting rod, far away from the adjusting ring, is movably sleeved with an adjusting spring.
Through adopting above-mentioned technical scheme, when needing to adjust the distance between two arc pieces, can remove the restriction of adjusting the pole through rotatory adjusting ring, under adjusting spring's effect, can make two arc pieces keep predetermined distance, when adjusting the position of arc piece, reverse rotation adjusting ring can.
The expansion plate is rotatably mounted on the inner wall of the mounting opening through the rotating shaft, a driving spring for driving the expansion plate to rotate around the rotating shaft is arranged on the inner wall of the mounting opening, and a driving assembly for adjusting the angle of the expansion plate so that the expansion plates are close to or far away from each other is further arranged on the annular plate.
Through adopting above-mentioned technical scheme, the drive assembly who sets up can drive the extension board and carry out the regulation of angle when opening to adapt more actual need, further increase the application scope of extension board.
The application further provides that the drive assembly comprises: an annular groove which is annularly arranged in the annular plate and communicated with the mounting opening; and the annular rod is arranged in the annular groove in a sliding manner, a wedge-shaped block is fixed on one side, close to the annular groove, of the expansion plate positioned in the mounting opening, an abutting block matched with the wedge-shaped block is arranged at a preset position of the annular rod, an arc-shaped notch communicated with the annular groove is formed in the outer side of the annular plate, and a locking piece for locking the position of the annular rod is further arranged on the annular plate.
Through adopting above-mentioned technical scheme, the drive assembly who sets up is when using, after the restriction of locking piece to the annular pole is removed, can promote the annular pole and slide in the ring channel, and the annular pole can drive butt piece butt wedge at gliding in-process, along with the slip of annular pole, the extension board can revolute the rotatory predetermined angle of rotation axis under the effect of drive assembly and butt piece, and this structural design is ingenious, and the effect is obvious.
The present application further provides that the locking member comprises: the locking rod is fixed on the annular rod and extends out of the arc-shaped notch, and the locking block is connected to the locking rod in a threaded mode, and the outer diameter of the locking block is larger than the groove width of the arc-shaped notch.
Through adopting above-mentioned technical scheme, the locking piece that sets up can lock or release the locking to the locking lever through rotatory mode to realize the restriction to the annular lever, this structure easy operation only need operate a locking lever can realize the regulation of a plurality of expansion plates, and one-shot is multiple-purpose.
The expansion plate is further provided with an expansion plate in sliding connection with one side, far away from the annular plate, of the expansion plate, and a second adjusting component for adjusting the elongation of the expansion plate is further arranged between the expansion plate and the expansion plate.
Through adopting above-mentioned technical scheme, the second adjustment part that sets up can adjust the elongation of extension board when needs to adapt to more actual need, increases the application scope of this application.
The application further provides that the second adjusting part comprises: extension edges arranged at two sides of the extension plate for sliding at two sides of the extension plate; and the elastic cards are arranged on two sides of the extension plate, and a plurality of clamping holes matched with the elastic cards are formed in the extension edge along the extension direction of the extension edge.
Through adopting above-mentioned technical scheme, when needs slip extension board, only need extrude the elasticity card, remove the gomphosis of elasticity card and draw-in groove, wait to slide to the preset position, loosen the hand, the elasticity card can automatic re-setting to with the mutual gomphosis of corresponding draw-in groove, with the realization to the fixed of extension board, this structural design is simple, and the effect is obvious.
In summary, the present application includes at least one of the following beneficial technical effects:
the movable second arc-shaped plate is arranged, and the distance between the first arc-shaped plate and the second arc-shaped plate can be adjusted by utilizing the adjusting component, so that the operation space of an operator can be enlarged, the operation field is increased, and the application range of the surgical instrument can be increased on the basis of the arranged arc-shaped plate;
through setting up adjustable angle's extension board, under drive assembly's drive, can adjust the angle of a plurality of extension boards through an operation locking lever, both increased the application scope of this application, it is multi-purpose again, and set up adjustable extension board of elongation, then can further increase the application scope of this application.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
FIG. 2 is a partial cross-sectional view of a second arcuate plate in an embodiment of the present application;
FIG. 3 is a schematic view of a driving assembly according to an embodiment of the present application;
fig. 4 is a schematic structural view of a second adjusting member in the embodiment of the present application.
Reference numerals illustrate: 1. an annular plate; 10. a mounting port; 101. a drive spring; 11. an annular groove; 12. an annular rod; 13. an abutment block; 14. an arc-shaped notch; 15. a locking lever; 16. a locking block; 2. an expansion board; 20. an extension plate; 201. an extension edge; 21. wedge blocks; 22. an elastic card; 31. a first arcuate plate; 310. a chute; 311. a slide bar; 32. a second arcuate plate; 320. arc-shaped laths; 33. a bump; 34. a bar-shaped groove; 35. a receiving groove; 36. a movable block; 37. a compression spring; 38. u-shaped clamping strips; 4. an arc-shaped sheet; 41. an adjusting rod; 42. an adjusting ring; 43. and (5) adjusting the spring.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
An embodiment of the present application discloses an adjustable retraction holder, as shown in fig. 1 and 2, comprising: the annular plate 1, a plurality of installing ports 10 are formed in the bearing surface of the annular plate 1 in a penetrating manner, the number of the embodiment is preferably four, the expanding plate 2 is installed at the position, corresponding to the installing ports 10, on the annular plate 1, one end of the expanding plate 2 extends into the installing ports 10, the other end of the expanding plate extends in the direction away from the annular plate 1, a first arc-shaped plate 31 and a second arc-shaped plate 32 are arranged on the annular plate 1, and an inlet corresponding to the opening of the annular plate 1 is formed between the first arc-shaped plate 31 and the second arc-shaped plate 32 so that an operator can hold an operation tool to extend in the hand of the operator from the inlet.
In practice, considering that the size of the inlet is easy to affect the operative field, there are many cases where the operative field is too limited, therefore, in this embodiment, the opening size of the annular plate 1 is set to be larger than the size of the inlet, in order to facilitate adjustment of the size of the inlet, the second arc plate 32 is slidably disposed on the annular plate 1, and an adjustment assembly for adjusting the distance between the first arc plate 31 and the second arc plate 32 is disposed on the first arc plate 32.
In this embodiment, the adjusting assembly includes: the sliding grooves 310 are formed in the two ends of the first arc-shaped plate 31, the sliding rods 311 are arranged in the sliding grooves 310 along the extending direction of the sliding grooves 310, the arc-shaped laths 320 are fixed on the two ends of the second arc-shaped plate 32, the inner contour of the arc-shaped laths 320 is matched with the outer contour of the sliding rods 311, and the arc-shaped laths 320 can slide along the outer sides of the tops of the sliding rods 311 in the process that the second arc-shaped plate 32 is close to the first arc-shaped plate 31.
The top of one end of the arc-shaped slat 320 far away from the second arc-shaped plate 32 is fixed with a lug 33, a strip-shaped groove 34 communicated with the chute 310 is formed in the bearing surface of the first arc-shaped plate 31, the extending direction of the strip-shaped groove 34 is consistent with that of the chute 310, the lug 33 can penetrate through the strip-shaped groove 34, a limiting piece is further arranged on the lug 33, when the second arc-shaped plate 32 needs to slide, the limiting piece is only required to be released, the lug 33 is pushed to slide to a preset position along the strip-shaped groove 34, and the lug 33 is limited by the limiting piece.
In this embodiment, the limiting member includes: the holding groove 35 on the lug 33 is opened, movable block 36 is movably accommodated in the holding groove 35, compression spring 37 is installed between movable block 36 and holding groove 35, one end of compression spring 37 is fixed with the inner side of movable block 36, the other end is fixed on the inner wall of holding groove 35, strip-shaped openings are all opened on two sides of movable block 36, strip-shaped openings are communicated with holding groove 35, U-shaped clamping strip 38 is movably sleeved on slide bar 311, two ends of U-shaped clamping strip 38 pass through corresponding strip-shaped openings and are fixed with movable block 36 in holding groove 35, in addition, a plurality of clamping grooves are opened on one side of slide bar 311 far away from arc-shaped slat 320, the clamping grooves are arranged along the extending direction of slide bar 311, and the clamping grooves are matched with U-shaped clamping strips 38.
When the position of the second arc plate 32 needs to be adjusted, the movable block 36 can be pressed to drive the end part of the U-shaped clamping strip 38 to slide in the strip-shaped opening until the U-shaped clamping strip 38 is released from the embedding with the clamping groove, then the convex block 33 can be pushed to slide on the first arc plate 31, after the position of the second arc plate 32 is adjusted, the hand is released, at this moment, the U-shaped clamping strip 38 can be mutually embedded with the clamping groove at the corresponding position on the sliding rod 311 under the elastic restoring force of the compression spring 37, so that the restriction on the second arc plate 32 is realized, and by adopting the scheme, an operator can simply realize the adjustment on the size of the inlet, so that the actual requirement is met, and the application range is increased.
In this embodiment, the inner sides of the first arc plate 31 and the second arc plate 32 are provided with the arc-shaped sheet 4, the first arc plate 31 and the second arc plate 32 are provided with the first adjusting component, the first adjusting component is used for adjusting the distance between the arc-shaped sheet and the corresponding first arc plate 31 or second arc plate 32, and the size of the inlet can be further adjusted on the original basis through the arrangement of the arc-shaped sheet 4 so as to adapt to more practical situations, and it is required to be explained that the top and the bottom of the arc-shaped sheet 4 of this embodiment extend from the edge of the inlet.
Wherein the first adjustment assembly comprises: one end is fixed on the arc-shaped sheet 4, the other end is from the outside of first arc-shaped sheet 31 or second arc-shaped sheet 32 sliding out regulation pole 41, still threaded connection has adjusting ring 42 at the outer tip of regulation pole 41, and then movable sleeve is equipped with adjusting spring 43 in the one end that regulating pole 41 kept away from adjusting ring 42, and adjusting spring 43's tip butt respectively on arc-shaped sheet 4 and first arc-shaped sheet 31 or second arc-shaped sheet 32, and adjusting spring 43 applys the direction of regulation pole 41's power towards the entry center, when the distance between two arc-shaped sheets 4 need be adjusted, only need rotatory adjusting ring 42 can.
As shown in fig. 2 and 3, considering that in practice, the angle of the expansion plate 2 needs to be adjusted according to the actual situation, therefore, in this embodiment, the end of the expansion plate 2 is rotatably mounted on the inner wall of the mounting port 10 through a rotating shaft, a driving spring 101 for driving the expansion plate 2 to rotate at a predetermined angle around the rotating shaft is disposed on the inner wall of the mounting port 10, one end of the driving spring 101 is fixed to the inner wall of the mounting port 10, and the other end of the driving spring is fixed to the outer side of the expansion plate 2, and in addition, a driving assembly is further disposed on the annular plate 1, and the driving assembly and the driving spring 101 cooperate together to drive the four expansion plates 2 to approach or separate from each other.
In this embodiment, the driving assembly includes: the annular groove 11 that is linked together with the installing port 10 is established to the ring, and slidable mounting has annular pole 12 in annular groove 11, annular pole 12 and annular groove 11 looks adaptation, is fixed with wedge 21 on the expansion board 2 that is located in installing port 10 is close to the outside of annular groove 11, is fixed with the butt piece 13 in annular pole 12 to the predetermined position of installing port 10, and the butt piece 13 is in the inclined plane looks butt of wedge 21, and still has seted up arc notch 14 in the outside of annular plate 1, and arc notch 14 is linked together with annular groove 11 as well.
Further, a lock lever 15 is fixed to the outer side of the ring lever 12, and the lock lever 15 extends from the arc-shaped notch 14, and a lock block 16 is screwed to the outer end portion of the lock lever 15, and it is noted that the outer diameter of the lock block 16 is larger than the groove width of the arc-shaped notch 14.
When the included angle between the expansion plates 2 needs to be adjusted, the locking block 16 can be rotated to release the limit of the locking rod 15, then the locking rod 15 is shifted along the extending direction of the arc-shaped notch 14, at this time, the locking rod 15 can drive the whole annular rod 12 to slide in the annular groove 11, the abutting block 13 on the annular rod 12 can abut against the inclined surface of the wedge-shaped block 21, thereby driving the expansion plates 2 to rotate around the rotating shaft, after the angle of the expansion plates 2 is adjusted, the locking block 16 is reversely rotated until the locking block 16 abuts against the outer side of the annular plate 1, thereby fixing the annular rod 12.
As shown in fig. 4, an extension plate 20 is slidably connected to a side of the extension plate 2 away from the annular plate 1, and the extension plate 20 in this embodiment adjusts the elongation of the extension plate 20 by a second adjusting member, where the second adjusting member includes: extension sides 201 disposed at both sides of the extension plate 2, the extension direction of the extension sides 201 is identical to the extension direction of the extension plate 20, and both sides of the extension plate 20 are slidably connected to the extension sides 201.
In addition, the two sides of the extension board 20 are also provided with the elastic cards 22, the elastic cards 22 can be made of metal materials, a plurality of clamping holes are formed in the extension edge 201 along the extension direction of the elastic cards 22, the clamping holes are matched with the elastic cards 22, when the extension board 20 needs to be slid, the elastic cards 22 on the two sides are only required to be extruded, the embedding of the elastic cards 22 and the clamping holes is released, the extension board 20 is required to be slid to a preset position, at the moment, hands can be loosened, and the elastic cards 22 can be automatically reset and mutually embedded with the corresponding clamping holes, so that the position limitation of the extension board 20 is realized.
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 (10)
1. An adjustable retraction anchor comprising: an annular plate (1) provided with a plurality of mounting openings (10) in a ring shape;
an expansion plate (2) with one end installed in the installation opening (10) and the other end opened at a preset angle;
a first arcuate plate (31) mounted on the bearing surface of the annular plate (1);
the second arc-shaped plate (32) is arranged on the bearing surface of the annular plate (1) in a sliding manner and is matched with the first arc-shaped plate (31) to form an inlet;
and an adjusting assembly arranged on the first arc-shaped plate (31) and the second arc-shaped plate (32) for adjusting the distance between the first arc-shaped plate and the second arc-shaped plate so as to change the size of the inlet.
2. The adjustable retraction holder according to claim 1, wherein said adjustment assembly comprises: a chute (310) arranged at two ends of the first arc-shaped plate (31); a sliding rod (311) arranged in the sliding groove (310) along the extending direction of the sliding groove (310); arc-shaped laths (320) which are fixed at the two ends of the second arc-shaped plate (32) and are matched with the sliding rods (311); a bump (33) fixed on the end of the arc-shaped slat (320); the strip-shaped groove (34) is arranged on the bearing surface of the first arc-shaped plate (31), is matched with the convex block (33) and is communicated with the sliding groove (310); and a limiting piece arranged on the protruding block (33) and used for limiting the position of the second arc-shaped plate (32).
3. The adjustable retraction holder according to claim 2 wherein said stop member comprises: a containing groove (35) arranged on the protruding block (33); a movable block (36) movably disposed in the accommodation groove (35); and a compression spring (37) arranged between the movable block (36) and the inner wall of the accommodating groove (35), strip-shaped openings are formed in two sides of the movable block (36), a U-shaped clamping strip (38) is movably sleeved on the sliding rod (311), two ends of the U-shaped clamping strip (38) penetrate through the strip-shaped openings to be fixed on the outer side of the movable block (36), and a plurality of clamping grooves which are embedded with the U-shaped clamping strip (38) are formed in one side, far away from the arc-shaped strip plate (320), of the sliding rod (311).
4. An adjustable retractor fixture according to claim 1, wherein the inner sides of the first arc plate (31) and the second arc plate (32) are provided with arc plates (4), the bottom and the top of the arc plates (4) are extended to the edges of the entrance and exit, and the first arc plate (31) and the second arc plate (32) are provided with a first adjusting part for adjusting the distance between the two arc plates (4).
5. The adjustable retraction holder according to claim 4 wherein the first adjustment member comprises: one end is fixed on the arc-shaped sheet (4), the other end is penetrated out of the first arc-shaped plate (31) or the second arc-shaped plate (32), the outer end part of the adjusting rod (41) is connected with an adjusting ring (42) in a threaded manner, and one end, far away from the adjusting ring (42), of the adjusting rod (41) is movably sleeved with an adjusting spring (43).
6. An adjustable retractor fixture according to claim 1, wherein the expansion plate (2) is rotatably mounted on the inner wall of the mounting opening (10) through a rotation shaft, the inner wall of the mounting opening (10) is provided with a driving spring (101) for driving the expansion plate (2) to rotate around the rotation shaft, and the annular plate (1) is further provided with a driving assembly for adjusting the angle of the expansion plate (2) to enable the expansion plates (2) to approach or separate from each other.
7. The adjustable retraction holder according to claim 6, wherein said drive assembly comprises: an annular groove (11) which is annularly arranged in the annular plate (1) and communicated with the mounting opening (10); and the annular rod (12) is arranged in the annular groove (11) in a sliding manner, a wedge block (21) is fixed on one side, close to the annular groove (11), of the expansion plate (2) positioned in the mounting port (10), a butt block (13) matched with the wedge block (21) is arranged at a preset position of the annular rod (12), an arc notch (14) communicated with the annular groove (11) is formed in the outer side of the annular plate (1), and a locking piece for locking the position of the annular rod (12) is further arranged on the annular plate (1).
8. The adjustable retraction holder according to claim 7 wherein said locking member comprises: the locking rod (15) is fixed on the annular rod (12) and extends out of the arc-shaped notch (14), and the locking block (16) is connected to the locking rod (15) in a threaded mode, and the outer diameter of the locking block (16) is larger than the groove width of the arc-shaped notch (14).
9. An adjustable retractor fixture according to claim 1, wherein the extension plate (20) is slidably connected to the side of the extension plate (2) remote from the annular plate (1), and a second adjusting member for adjusting the elongation of the extension plate (20) is further provided between the extension plate (20) and the extension plate (2).
10. The adjustable retraction holder according to claim 9 wherein the second adjustment member comprises: extension edges (201) which are arranged at two sides of the extension plate (2) and used for sliding at two sides of the extension plate (20); and the elastic cards (22) are arranged on two sides of the extension plate (20), and a plurality of clamping holes matched with the elastic cards (22) are formed in the extension edge (201) along the extension direction of the extension edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310245383.8A CN116269551B (en) | 2023-03-14 | 2023-03-14 | Adjustable retracting fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310245383.8A CN116269551B (en) | 2023-03-14 | 2023-03-14 | Adjustable retracting fixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116269551A true CN116269551A (en) | 2023-06-23 |
| CN116269551B CN116269551B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310245383.8A Active CN116269551B (en) | 2023-03-14 | 2023-03-14 | Adjustable retracting fixer |
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| CN116269551B (en) | 2023-11-17 |
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