CN213787643U - Hand-held type orthopedics saw - Google Patents

Abstract

The utility model discloses a hand-held type orthopedics saw, including fixed handle, activity handle and saw bit, the activity handle inserts in the fixed handle with fixed handle sliding connection, the up end of fixed handle is provided with the stationary blade, the stationary blade rotates with fixed handle to be connected, fix activity handle and fixed handle through rotating the stationary blade, be provided with the handle on the fixed handle, the bottom of fixed handle and activity handle is provided with the fixed column, the side of fixed column is opened has and is established the slot, be provided with the bolt in the fixed column, bolt and fixed column elastic connection, the bolt side is provided with the plectrum, plectrum and fixed column sliding connection, the both ends of saw bit are provided with the through-hole, the saw bit passes slot and fixed column fixed connection. The utility model discloses, promoted the suitable scene of equipment greatly, fixed the saw bit through the fixed column, easy operation, greatly reduced the time when changing the saw bit to rescue time has been promoted.

Description

Hand-held type orthopedics saw

Technical Field

The utility model belongs to the technical field of the orthopedics saw, specifically be a hand-held type orthopedics saw.

Background

The bone saw is the leading instrument of amputation operation, bone saw simple structure among the prior art meets needs accurate cutting, the bone saw is the medical instrument who uses commonly in the bone surgery operation during the operation, current bone saw is electronic bone saw mostly, electronic bone saw needs to its control accuracy at the use, because the staff is using the in-process of electronic bone saw in actual operation, can cause the splash of bone bits and blood meat, very influence bone surgery clinician's operation process, in the long run, can make very big work degree of difficulty to bone surgery clinical medical staff, and electronic bone saw's cost is comparatively high, later stage maintenance expense is also high.

The utility model discloses an orthopedics is clinical with bone saw in authorized bulletin number CN211066861U, which comprises a main body, the twiddle button, the bayonet lock, the bone saw, the draw-in groove, the sawtooth, the handle, slider an, slider b, the slide-shaft, remove a, transmission band and removal b, the preceding right side of main part is equipped with the twiddle button, the left side is equipped with the bayonet lock above the main part, the main part left side is equipped with the bone saw, the draw-in groove has been seted up in proper order to the right side from a left side above the bone saw, be equipped with the sawtooth below the bone saw in proper order, the main part right side is equipped with the handle, the inside slide-shaft that is equipped with of main part, the left end is equipped with slider an above the slide-shaft, slider a right side is equipped with slider b, slider a preceding is equipped with removes a, slider b is equipped with in front moves a b.

Above-mentioned clinical bone saw of using of orthopedics, its adjusting device overlength leads to between saw bit and the hand apart from the overlength, and the operating space that has significantly reduced, and be unfavorable for having an effect, influences work efficiency, and it changes the blade comparatively difficultly, often needs the blade of different models to different positions at the operation in-process, therefore the speed of changing the blade has directly influenced the effect of rescuing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hand-held type orthopedics saw to solve among the prior art problem that the work efficiency was influenced by comparatively difficult, the adjusting device overlength of saw bit change.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hand-held type orthopedics saw, includes fixed handle, activity handle and saw bit, activity handle inserts fixed handle in with fixed handle sliding connection, the up end of fixed handle is provided with the stationary blade, the stationary blade rotates with fixed handle to be connected, fixes activity handle and fixed handle through rotating the stationary blade, be provided with the handle on the fixed handle, the bottom of fixed handle and activity handle is provided with the fixed column, the side of fixed column is opened has and is established the slot, be provided with the bolt in the fixed column, bolt and fixed column elastic connection, the bolt side is provided with the plectrum, plectrum and fixed column sliding connection, the both ends of saw bit are provided with the through-hole, and the saw bit passes slot and fixed column fixed connection.

Preferably, the fixed handle is an arc-shaped hollow pipe, the movable handle is an arc-shaped solid pipe, the overlooking circles of the movable handle and the fixed handle are overlapped, the movable handle is in sliding connection with the fixed handle, and the distance between the two fixed columns is adjusted by adjusting the exposed length of the movable handle so as to adapt to saw blades with different lengths.

Preferably, the up end of activity handle is provided with the spout of rectangle form, the notch of rectangle form is seted up to the upper end of fixed handle, the terminal surface is provided with shaft hole and circular-arc slide rail in the notch, the side of stationary blade is provided with pivot and slide shaft, the pivot rotates with the shaft hole cooperation to be connected, slide shaft and slide rail cooperation sliding connection, the bottom of stationary blade is provided with the piece of stopping of circular rubber material, and when the stationary blade rotated to vertical upwards, the piece extrusion spout of stopping, when the stationary blade rotated to the horizontal direction, stopped the piece and separated with the spout, fixed activity handle through rotatory stationary blade, avoided activity handle relatively fixed handle to rock, the influence is used and is felt.

Preferably, the cross-section of slot is trapezoidal form, the outer end groove footpath of slot is greater than inner end groove footpath, the inner end groove footpath of slot equals with the thickness of saw bit, and the slot of trapezoidal form makes things convenient for the saw bit to aim at the slot when inserting the slot in, greatly reduced the time of changing the saw bit.

Preferably, the upper end of the bolt is elastically connected with the inner end face of the fixed column through the spring, an inclined plane structure is arranged on the bottom face of the bolt, the inclined plane of the bolt faces the opening of the slot, the shifting piece is a rectangular thin piece and is welded with the bolt, the saw blade is inserted into the slot to extrude the bolt, the bolt upwards extrudes the spring due to the inclined plane structure, when the saw blade penetrates through the bolt, the bolt is inserted into the through hole under the renaturation effect of the spring, the saw blade is fixed, when the saw blade needs to be taken out, the shifting piece is upwards stirred, the bolt is pulled out from the through hole, the saw blade is taken out, the time for replacing the saw blade is greatly reduced, the rescue time is strived, and the rescue efficiency is improved.

Preferably, the handle is the ring structure, handle and fixed handle integrated into one piece make, and the handle is fixed on fixed handle, reduces the distance of hand and saw bit, conveniently has developed power, has increased work efficiency.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a movable handle and fixed handle cooperation sliding connection adjust the saw bit of distance between the fixed post with the different length models of adaptation, promoted the suitable scene of equipment greatly, fix the saw bit through the fixed column, easy operation, greatly reduced the time when changing the saw bit to rescue time has been promoted.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1 according to the present invention;

fig. 3 is a partial sectional view of fig. 2B-B of the present invention;

fig. 4 is a front sectional view of the fixing column of the present invention.

In the figure: 1 fixed handle, 2 movable handles, 3 saw blades, 11 handles, 12 fixing pieces, 13 fixing columns, 14 notches, 121 sliding shafts, 122 rotating shafts, 123 braking pieces, 141 sliding rails, 142 shaft holes, 131 inserting grooves, 132 inserting pins, 133 shifting pieces, 21 sliding grooves and 31 through holes.

Detailed Description

Referring to fig. 1, a hand-held orthopedic saw comprises a fixed handle 1, a movable handle 2 and a saw blade 3, wherein the movable handle 2 is inserted into the fixed handle 1 and is slidably connected with the fixed handle 1, the upper end surface of the fixed handle 1 is rotatably connected with a fixing piece 12, the fixing piece 12 is rotatably connected with the fixed handle 1, the movable handle 2 and the fixed handle 1 are fixed by rotating the fixing piece 12, the fixed handle 1 is provided with an integrally formed handle 11, the bottom of the fixed handle 1 and the movable handle 2 is welded with a fixed column 13, the side surface of the fixed column 13 is provided with an insertion slot 131, the fixed column 13 is internally slidably connected with a bolt 132, the bolt 132 is elastically connected with the fixed column 13, the side surface of the bolt 132 is welded with a shifting piece 133, the shifting piece 133 is slidably connected with the fixed column 13, the two ends of the saw blade 3 are provided with through holes 31, the saw blade 3 passes through the insertion slot 131 and is fixedly connected with the fixed column 13, the fixed handle 1 is an arc-shaped hollow tube, the movable handle 2 is an arc-shaped solid tube, the overlooking circular coincidence of the movable handle 2 and the fixed handle 1, the movable handle 2 is in sliding connection with the fixed handle 1, and the exposed length of the movable handle 2 is adjusted to adjust the distance between the two fixed columns 13 so as to adapt to saw blades 3 with different lengths.

Referring to fig. 2 and 3, a rectangular sliding groove 21 is formed in the upper end face of the movable handle 2, a rectangular notch 14 is formed in the upper end of the fixed handle 1, a shaft hole 142 and an arc-shaped sliding rail 141 are formed in the inner end face of the notch 14, a rotating shaft 122 and a sliding shaft 121 are welded to the side face of the fixed piece 12, the rotating shaft 122 is matched with the shaft hole 142 and is connected in a rotating mode, the sliding shaft 121 is matched with the sliding rail 141 and is connected in a sliding mode, a brake piece 123 made of circular rubber is welded to the bottom of the fixed piece 12 in a hot welding mode, when the fixed piece 12 rotates to the vertical upward direction, the sliding groove 21 is extruded by the brake piece 123, when the fixed piece 12 rotates to the horizontal direction, the brake piece 123 is separated from the sliding groove 21, the movable handle 2 is fixed through the rotation of the fixed piece 12, and the situation that the movable handle 2 rocks relative to the fixed handle 1 and influences use hand feeling is avoided.

Referring to fig. 4, preferably, the slot 131 is a trapezoid-shaped slot 14, the outer end slot diameter of the slot 131 is greater than the inner end slot diameter, the inner end slot diameter of the slot 131 is equal to the thickness of the saw blade 3, the trapezoid-shaped slot 131 facilitates the saw blade 3 to align with the slot 131 when inserted into the fixed column 13, which greatly reduces the time for replacing the saw blade 3, the upper end of the bolt 132 is elastically connected with the inner end surface of the fixed column 13 through a spring, the bottom surface of the bolt 132 is provided with an inclined surface structure, the inclined surface of the bolt 132 faces the opening of the slot 131, the dial 133 is a rectangular thin sheet, the dial 133 is welded with the bolt 132, the saw blade 3 is inserted into the slot 131 to press the bolt 132, the bolt 132 presses the spring upwards due to the inclined surface structure, when the saw blade 3 passes through the bolt 132, the bolt 132 is inserted into the through hole 31 under the renaturation of the spring, thereby fixing the, the bolt 132 is pulled out from the through hole 31, the saw blade 3 is taken out, and the time for replacing the saw blade 3 is greatly reduced, so that the rescue time is strived for, and the rescue efficiency is improved.

The working principle of the scheme is as follows: the utility model discloses when using, dial stationary blade 12 to the level, then adjust the extension length of activity handle 2, make the interval of fixed column 13 equal with 3 length of saw bit, then insert fixed column 13 along slot 131 with the both ends of saw bit 3 in, dial stationary blade 12 to vertical again, make activity handle 2 fixed with fixed handle 1, when needs change saw bit 3, stir plectrum 133 upwards, take out saw bit 3, accomplish the change in inserting fixed column 13 with new saw bit 3.

The utility model has the advantages that: the utility model discloses a movable handle 2 and 1 cooperation sliding connection of fixed handle adjust the saw bit 3 of distance between fixed column 13 with the different length models of adaptation, promoted the suitable scene of equipment greatly, fix saw bit 3 through fixed column 13, easy operation, greatly reduced the time when changing saw bit 3 to rescue time has been promoted.

Claims (6)

1. The utility model provides a hand-held type orthopedics saw, includes fixed handle (1), activity handle (2) and saw bit (3), its characterized in that: the saw blade fixing device is characterized in that the movable handle (2) is inserted into the fixed handle (1) and is in sliding connection with the fixed handle (1), a fixing piece (12) is arranged on the upper end face of the fixed handle (1), the fixing piece (12) is in rotating connection with the fixed handle (1), the movable handle (2) and the fixed handle (1) are fixed through rotating the fixing piece (12), a handle (11) is arranged on the fixed handle (1), a fixing column (13) is arranged at the bottom of the fixed handle (1) and the bottom of the movable handle (2), a slot (131) is formed in the side face of the fixing column (13), a bolt (132) is arranged in the fixing column (13), the bolt (132) is in elastic connection with the fixing column (13), a shifting sheet (133) is arranged on the side face of the bolt (132), the shifting sheet (133) is in sliding connection with the fixing column (13), through holes (31) are formed in two ends of the saw blade (3), the saw blade (3) penetrates through the slot (131) and is fixedly connected with the fixing column (13).

2. A hand-held orthopaedic saw according to claim 1, wherein: the fixed handle (1) is an arc-shaped hollow pipe, the movable handle (2) is an arc-shaped solid pipe, and the overlooking circles of the movable handle (2) and the fixed handle (1) are overlapped.

3. A hand-held orthopaedic saw according to claim 1, wherein: the up end of activity handle (2) is provided with spout (21) of rectangle form, notch (14) of rectangle form are seted up to the upper end of fixed handle (1), the terminal surface is provided with shaft hole (142) and circular-arc slide rail (141) in notch (14), the side of stationary blade (12) is provided with pivot (122) and sliding shaft (121), pivot (122) rotate with shaft hole (142) cooperation and are connected, sliding shaft (121) and slide rail (141) cooperation sliding connection, the bottom of stationary blade (12) is provided with the piece (123) of stopping of circular rubber material, rotates when vertical upwards when stationary blade (12), stops piece (123) extrusion spout (21), when stationary blade (12) rotate to the horizontal direction, stops piece (123) and spout (21) separation.

4. A hand-held orthopaedic saw according to claim 1, wherein: the slot (131) is a trapezoidal notch (14), the outer end groove diameter of the slot (131) is larger than the inner end groove diameter, and the inner end groove diameter of the slot (131) is equal to the thickness of the saw blade (3).

5. A hand-held orthopaedic saw according to claim 1, wherein: the upper end of the bolt (132) is elastically connected with the inner end face of the fixed column (13) through a spring, an inclined plane structure is arranged on the bottom face of the bolt (132), the inclined plane of the bolt (132) faces the opening of the slot (131), the shifting piece (133) is a rectangular thin sheet, and the shifting piece (133) is welded with the bolt (132).

6. A hand-held orthopaedic saw according to any one of claims 1 to 4, wherein: the handle (11) is of a circular ring-shaped structure, and the handle (11) and the fixed handle (1) are integrally formed.

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