CN210749417U - Portable multipurpose safety knife handle - Google Patents
Portable multipurpose safety knife handle Download PDFInfo
- Publication number
- CN210749417U CN210749417U CN201920401383.1U CN201920401383U CN210749417U CN 210749417 U CN210749417 U CN 210749417U CN 201920401383 U CN201920401383 U CN 201920401383U CN 210749417 U CN210749417 U CN 210749417U
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- China
- Prior art keywords
- handle
- grab handle
- tool
- matching body
- latch
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Abstract
The utility model discloses a portable multipurpose safety handle of a knife, include: the handle comprises a grab handle and a matching body, wherein the matching body is positioned in a long strip-shaped sliding groove of the grab handle and can move along the sliding groove so as to be contained in the grab handle or extend out of the front end of the grab handle; the side surface of the grab handle close to the front end is provided with a strip-shaped anti-slip groove; the tail seat of the cutter mounting tail seat of the matching body is in a flat mouth shape. The utility model discloses can a machinery be multi-purpose, especially be fit for in emergent processing, the medical treatment of patrolling, emergency operation, rescue and relief work, peace and guarantee, army field operations surgery medical treatment shelter, navy hospital ship and sanitary aircraft of proruption public affairs wound and use, can reduce quantity, quality and the volume along with taking surgical instruments, and the peacetime and wartime is all suitable, and the suitability is good, helps promoting operation quality and efficiency.
Description
Technical Field
The utility model relates to a portable multipurpose safety handle of a knife.
Background
The existing scalpel handle comprises a handle body and a holding and matching body. All hospitals in military are one of the necessary basic surgical instruments. But the existing scalpel handle has single function. In the process of assembling and disassembling the blade, the blade is deformed greatly and is easy to break or launch, so that certain potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The main purpose of the utility model is to provide a portable multipurpose safety knife handle.
The utility model provides an adopted technical scheme of its technical problem is:
portable multipurpose safety handle of a knife includes: a grab handle and a matching body, wherein the matching body is positioned in the elongated sliding groove of the grab handle and can move along the sliding groove so as to be contained in the hollow grab handle or extend out of the front end of the grab handle,
a spring is also arranged in the sliding groove, one end of the spring is fixed on the blind end of the inner cavity of the grab handle, the other end of the spring is fixed on the matching body, and in the accommodating position, the spring is in a normal state, and the matching body is positioned in the grab handle; in the unfolding position, the spring is in a stretching state, and the front end of the matching body extends out of the front end of the grab handle;
the front surface and the back surface of the matching body can be respectively provided with a blade, the front surface or the back surface of the blade holding part is divided into a front section, a middle section and a back section from the front end to the back end, the upper parts of the cross sections of the front section and the middle section are all triangular, and the angles of the tops of the triangular parts are the same;
the tail seat of the cutter mounting tail seat of the matching body is in a flat mouth shape.
Preferably, the grab handle is close to the side of front end and is established bar antiskid recess, bar antiskid recess in be equipped with and be used for being fixed in the locking release button of grab handle front end with the cooperation body, locking release button be equipped with reset spring, press the locking release button, can relieve the positioning action of locking release button to the handle of a knife to make the cooperation body retrieve and incorporate in the grab handle.
Preferably, the strip-shaped anti-skid groove is internally provided with a matching body positioning and automatic retracting device, the device comprises a tool unloading latch, the tool unloading latch is provided with at least three positions, and the tool unloading latch is clamped with the matching body at a first position; in the second position, the tool release latch has an unrestrained action on the cooperating body and the blade, and in the third position, the tool release latch has an unrestrained action on the cooperating body and restricts movement of the blade.
Preferably, the two tool unloading latches are arranged on the grab handle close to the outlet, the tool unloading latches are respectively in a convex shape, the convex shapes of the two tool unloading latches are opposite in direction, and a height difference is formed between the tops of the two tool unloading latches; the width W1 of the convex-shaped protrusion part is larger than the width of the matching body and smaller than the width of the blade, and the width W2 of the bottom part is larger than the width of the blade.
Preferably, at least one of the tool-release latches is provided with a chamfer at the corner between the shoulder and the neck of the relief, said chamfer facing towards the side of the end of the grip, and a positioning slot at the side or bottom or top of the cooperating body, said corner being able to enter the positioning slot from a direction.
Preferably, the two tool unloading latches are arranged in a front-back manner or in a sleeved manner.
Preferably, an upper reset spring is arranged between the top of the upper unloading tool latch and the top wall of the sliding groove of the grab handle, one end of the upper reset spring is fixed on the top wall of the sliding groove of the grab handle, and the other end of the upper reset spring is fixed on the top of the upper unloading tool latch; a lower reset spring is arranged between the bottom of the lower tool release latch and the bottom of the sliding groove of the grab handle, one end of the lower reset spring is fixed at the bottom of the sliding groove of the grab handle, and the other end of the lower reset spring is fixed at the bottom of the upper tool release latch.
Preferably, the handle is provided with a plurality of hollowed holes; preferably, one side of the grab handle is provided with fine file lines in the front half section and coarse file lines in the rear half section.
Preferably, the handle is provided with a rectangular tapered plate hole.
Preferably, the handle is provided with a quincunx tapered plate hole.
Compared with the background art, the utility model, it has following advantage:
the utility model discloses its front and back mountable blade respectively, its hold the sword portion openly or the back divide into anterior segment, middle section, back end three-section from front end to rear end, and the cross section upper portion in anterior segment and middle section is triangle-shaped, and the angle at its triangle-shaped top is the same all, installs like this and dismantles the blade in-process, and blade tail section atress is little, and the security improves a lot. And the utility model discloses a thing is multi-purpose, whole self-discharging handle of a knife is by head and tail, from inside to outside, front reverse side all gives make full use of, elaborate design, make it have compact structure, pocket portable, exempt from the apparatus box, difficult scattering and disappearing, a machinery is multi-functional, the commonality is strong, the function is supporting, it is comfortable to grip, pick up swiftly, control safety, loss prevention is durable, the sexual valence relative altitude and man-machine harmonious characteristics, especially be fit for meeting an urgent need in the emergent processing of public incident wound, the medical treatment of patrolling, emergency operation, rescue and relief work, the peace and guarantee, army field operation surgical treatment shelter, navy hospital ship and sanitary aircraft use, the quantity, quality and the volume of following the surgical instruments of taking can be reduced, and the peacetime and war is all suitable, the suitability is good, help.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 the embodiment of the present invention provides a schematic view of a front structure of a portable multipurpose safety knife handle.
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic view of the back structure of the portable multipurpose safety knife handle in the embodiment of the present invention.
Fig. 4 is a schematic side view of the portable multipurpose safety knife handle according to the embodiment of the present invention.
FIG. 5 is a partial schematic view of the structure of the mating body.
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;
fig. 7 is a schematic structural diagram of two different blade sizes.
FIG. 8 is a schematic structural view of a tool release latch;
FIG. 9 is a schematic view of the structure in the direction B-B in FIG. 1, in a normal state;
FIG. 10 is a schematic view of the structure in the direction B-B in FIG. 1, in a light-pressing state;
FIG. 11 is a schematic view of the structure in the direction B-B in FIG. 1, in a heavily compressed state;
fig. 12 is a schematic view of the mating structure of the mating body and the tool release latch.
Detailed Description
Referring to fig. 1 to 5, the portable multipurpose safety knife handle includes a handle 100 and a mating body 200. In the following description, the surface shown in fig. 1 is referred to as a front surface, and the surface shown in fig. 3 is referred to as a rear surface. The right side of fig. 1 and 3 is the front end, i.e. the end where the fitting is located, and the left side is the back end.
1. The assembled knife receiving stab-resistant structure comprises: the handle 100 has a sliding slot 101 therein, the front end of the sliding slot is open, and the engaging body 200 is located in the sliding slot and can move back and forth along the sliding slot 101 so as to be received in the handle 100 or extend out of the front end of the handle. A spring 102 is further arranged in the sliding groove, one end of the spring 102 is fixed on the blind end of the inner cavity of the grab handle, the other end of the spring 102 is fixed on the rear end of the matching body 200, in the accommodating position, the spring 102 is in a normal state, and the matching body is positioned in the grab handle; in the deployed position (as shown in fig. 1), the spring is in tension and the front end of the engaging body extends beyond the front end of the grip.
The structure forms a combined knife-accommodating stab-resistant structure, and the damaged return spring or the matching body is easy to maintain and replace. The matching body with the surgical blade is collected, and sharp injury or cutting edge collision damage of the surgical knife is prevented.
Referring to fig. 8 to 12, in the extended position, the engaging body is fixed to the front end of the handle, and the following structure is adopted: on both sides of the back surface of the fitting body 200, there are provided card slots 210, only one of which is shown in fig. 12. The handle is provided with a strip-shaped anti-slip groove 103 on the front side close to the front end, the strip-shaped anti-slip groove 103 is internally provided with a locking and releasing button (in the embodiment, a strip-shaped key 105) for fixing the matching body at the front end of the handle, the locking and releasing button is provided with a reset spring 104, the locking and releasing button is extruded, the positioning effect of the locking and releasing button on the handle can be relieved, and the matching body is recycled and incorporated into the handle. The return spring can return the lock release button.
As shown in FIG. 9, the left side of the bottom of the strip-shaped anti-slip groove 103 is provided with an assembly opening 120, and the assembly opening 120 is blocked by a tenon 121. The strip-shaped anti-slip groove 103 is provided with two tool-unloading latches, specifically, as shown in fig. 8, an upper tool-unloading latch 130A and a lower tool-unloading latch 130B. The two tool unloading latches are both in a convex shape and have hollow interiors. Wherein the upper tool release latch 130A has a downward projection and the lower tool release latch 130B has an upward projection. For the sake of simplicity, only a single line is shown in fig. 9, 11 and 12. The width W2 of the convex-shaped projection is slightly larger than the width of the matching body and smaller than the width of the blade, and the width W1 of the bottom is larger than the width of the blade.
As shown in fig. 9, two tool discharge latches are arranged in the strip-shaped anti-slip groove 103 in a front-back manner, and there is a height difference between the top portions on the vertical plane, wherein the top portion of the upper tool discharge latch 130A is higher than the top portion of the lower tool discharge latch 130B. Thus, a gap L is formed between the shoulder 131A of the convex shape of the upper tool bar 130A and the shoulder 131B of the convex shape of the lower tool bar 130B. Preferably, the height of the gap L is the thickness of three standard blades. Wherein, the top of the upper tool release latch 130A is provided with a strip-shaped key 105, preferably, a gap is arranged between the bottom of the key 105 and the tool release latch 130A to form an idle stroke, thereby further preventing misoperation. Two upper return springs 104A are arranged between the top of the upper unloading latch 130A and the top wall of the sliding groove of the holding handle 100, one end of each upper return spring 104A is fixed on the top wall of the sliding groove of the holding handle 100, and the other end is fixed on the top of the upper unloading latch 130A.
Similarly, two lower return springs 104B are disposed between the bottom of the lower tool-release latch 130B and the bottom of the sliding slot of the handle 100, one end of each lower return spring 104B is fixed to the bottom of the sliding slot of the handle 100, and the other end is fixed to the bottom of the lower tool-release latch 130B.
As shown in fig. 9 and 12, in the initial state, the convex shoulder 133 of the upper tool release latch 130A is slightly higher than the bottom (horizontal plane where the reference numeral F is located) of the chute 101. And the corner 132A between the shoulder and the neck of the upper tool latch 130A is provided with a chamfer 134A towards the blind end side of the chute, when the fitting body 200 moves from the chute of the handle 100 from inside to outside, under the action of the chamfer, the upper tool latch is pressed downwards, the upper return spring 104A is stretched, and when the fitting body crosses a certain distance to the positioning grooves 210 arranged at two sides of the bottom of the fitting body, under the action of the upper return spring 104A, the upper tool latch 130A moves upwards, and the corner 132A is clamped into the positioning groove 210. Thus, even if the hand is loosened, the matching body can not be retracted into the grab handle. At which point the blade may be installed.
As shown in fig. 10, the bar button 105 is pressed to make an idle stroke before reaching the top of the upper and lower tool latches, thereby preventing an erroneous operation. After contacting the top of the upper tool release latch 130A, the upper tool release latch 130A is pressed further downward, and the top of the upper tool release latch 130A is flush with the top of the lower tool release latch 130B, and at this time, the corner 132A is just retreated downward from the positioning groove 210, and the cooperating body for mounting the blade and the blade are automatically retracted into the handle 100 under the action of the return spring 102.
If the operation is completed, the bar-shaped button 105 is pressed again, and after the top of the upper knife latch 130A is flush with the top of the lower knife latch 130B, the upper knife latch and the lower knife latch are further pressed, as shown in fig. 11, until the shoulder 133B of the lower knife latch 130B is flush with the bottom of the chute, and the blade cannot pass through the gap. Thus, the blade is automatically withdrawn during retraction of the cooperating body with the blade.
2. Two-sided fish mouth shape general ridge cisoid cooperation body: referring to fig. 5 and 6, the fitting body 200 of the present invention is capable of mounting two blades, unlike a conventional fitting body that can mount only one blade. Specifically, a first blade mounting groove 201 and a second blade mounting groove 202, which are disposed up and down, are provided at the side of the fitting body 200. The front end opening of every blade mounting groove is the fish-mouth shape blade admittance mouth (first admittance mouth 203 and second admittance mouth 204) respectively, and the fish-mouth shape blade admittance mouth does benefit to convenient cartridge blade. The ridge downslope tail matching body is beneficial to silence and splash prevention. Specifically, the front surface and the back surface of the matching body can be respectively provided with blades of different types, the blade holding part is divided into a front section, a middle section and a back section from the front end to the back end, the upper parts of the cross sections of the front section and the middle section are triangular, and the angles of the tops of the triangular parts are the same. In this embodiment, the front and back sides are mounted with different sized blades.
3. Flat-opening type knife tail seat installation: on the front side, the knife tail seat 205 is flat, which is beneficial to inserting the surgical knife blade in a forward and reverse direction. On the back side, the same applies.
4. A hollow handle body: along the axial direction of the grab handle, the middle part is provided with a plurality of hollow holes 115 which are used for clamping and measuring the outer diameter of a bone round needle, a bone drill or a bone screw. The whole weight of the knife handle is reduced, the gravity center is balanced, the comfort degree is improved, the knife handle is not easy to fatigue after being held for a long time, the knife handle is beneficial to cleaning and disinfection, the transparent visibility is improved, the operative field is not influenced, the poor light reflection is reduced, the visual fatigue in the operation is prevented, and the anti-glare and anti-detection effects are achieved.
5. Thick and thin file type handle flower: the skeleton is stably held and repaired and filed in an antiskid way. On the front side, the front half section of the handle is provided with fine rasps 108, and the rear half section is provided with coarse rasps 109.
6. Rectangular tapered plate hole 110: the screw is arranged on the grab handle and is universally used for assembling and disassembling the triangular tail, the rectangular tail, the semicircular tail, the square tail and the hexagonal tail bone department screw needles with various calibers. Has the efficacy of hiding the wire-off prevention saw handle.
7. Quincunx tapered plate holes 113: the angle gauge is arranged at the tail part of the grab handle close to the tail end, has the functions of a protractor for reading angle degrees in two directions and a universal double offset ring spanner, and assists emergency maintenance. Also a series of portable anti-lost holes.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (10)
1. Portable multipurpose safety handle of a knife includes: a grab handle and a matching body, wherein the matching body is positioned in the elongated chute of the grab handle and can move along the chute so as to be contained in the grab handle or extend out of the front end of the grab handle,
a spring is also arranged in the sliding groove, one end of the spring is fixed on the grab handle, the other end of the spring is fixed on the matching body, and in the accommodating position, the spring is in a normal state, and the matching body is positioned in the grab handle; in the unfolding position, the spring is in a stretching state, and the front end of the matching body extends out of the front end of the grab handle;
the front and the back of the matching body can be respectively provided with surgical blades of different types, the front or the back of the knife holding part is divided into a front section, a middle section and a back section from the front end to the back end, the upper parts of the cross sections of the front section and the middle section are triangular, and the angles of the tops of the triangular sections are the same.
2. The portable multi-purpose safety knife handle of claim 1, characterized in that: the grab handle is establishing bar anti-skidding recess in the side that is close to the front end, bar anti-skidding recess in be equipped with and be used for being fixed in the locking release button of grab handle front end with the cooperation body, locking release button be equipped with reset spring, press the locking release button, can relieve the positioning action of locking release button to the handle of a knife to make the cooperation body retrieve and come into in the grab handle.
3. The portable multi-purpose safety knife handle of claim 2, characterized in that: a matching body positioning and automatic retracting device is arranged in the strip-shaped anti-skid groove and comprises a tool unloading latch, the tool unloading latch is provided with at least three positions, and the tool unloading latch is clamped with the matching body at a first position; in the second position, the tool release latch has an unrestrained action on the cooperating body and the blade, and in the third position, the tool release latch has an unrestrained action on the cooperating body and restricts movement of the blade.
4. The portable multi-purpose safety knife handle of claim 3, characterized in that: the two tool unloading latches are arranged at the position, close to the outlet, of the grab handle, are respectively in a convex shape, the convex shapes of the two tool unloading latches are opposite in direction, and a height difference is formed between the tops of the two tool unloading latches; the width W2 of the convex-shaped protrusion part is larger than the width of the matching body and smaller than the width of the blade, and the width W1 of the bottom part is larger than the width of the blade.
5. The portable multi-purpose safety knife handle of claim 4, characterized in that: the corner of at least one tool unloading latch between the shoulder and the neck of the convex shape is provided with a chamfer facing to one side of the tail end of the grab handle, the side surface or the bottom or the top of the matching body is provided with a positioning groove, and the corner can enter the positioning groove from one direction.
6. The portable multi-purpose safety knife handle of claim 4, characterized in that: an upper reset spring is arranged between the top of the upper tool release latch and the top wall of the sliding groove of the grab handle, one end of the upper reset spring is fixed on the top wall of the sliding groove of the grab handle, and the other end of the upper reset spring is fixed on the top of the upper tool release latch; a lower reset spring is arranged between the bottom of the lower tool release latch and the bottom of the sliding groove of the grab handle, one end of the lower reset spring is fixed at the bottom of the sliding groove of the grab handle, and the other end of the lower reset spring is fixed at the bottom of the upper tool release latch.
7. The portable multi-purpose safety knife handle of claim 4, characterized in that: a clearance is provided between the top of the upper tool release latch and the lock release button to produce lost motion.
8. The portable multi-purpose safety knife handle of claim 1, characterized in that: the grab handle is provided with a plurality of hollow holes; one side of the grab handle is provided with fine file lines in the front half section and coarse file lines in the rear half section.
9. The portable multi-purpose safety knife handle of claim 1, characterized in that: the grab handle is provided with a universal rectangular conical plate hole.
10. The portable multi-purpose safety knife handle of claim 1, characterized in that: the handle is provided with a quincunx tapered plate hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401383.1U CN210749417U (en) | 2019-03-27 | 2019-03-27 | Portable multipurpose safety knife handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401383.1U CN210749417U (en) | 2019-03-27 | 2019-03-27 | Portable multipurpose safety knife handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210749417U true CN210749417U (en) | 2020-06-16 |
Family
ID=71058822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920401383.1U Expired - Fee Related CN210749417U (en) | 2019-03-27 | 2019-03-27 | Portable multipurpose safety knife handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210749417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150456A (en) * | 2019-03-27 | 2020-05-15 | 中国人民解放军陆军第七十三集团军医院 | Peacetime and war time dual-purpose automatic knife-closing and edge-closing type safe scalpel handle |
-
2019
- 2019-03-27 CN CN201920401383.1U patent/CN210749417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150456A (en) * | 2019-03-27 | 2020-05-15 | 中国人民解放军陆军第七十三集团军医院 | Peacetime and war time dual-purpose automatic knife-closing and edge-closing type safe scalpel handle |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |