CN209986974U - Knife using special-shaped spring - Google Patents
Knife using special-shaped spring Download PDFInfo
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- CN209986974U CN209986974U CN201920740352.9U CN201920740352U CN209986974U CN 209986974 U CN209986974 U CN 209986974U CN 201920740352 U CN201920740352 U CN 201920740352U CN 209986974 U CN209986974 U CN 209986974U
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Abstract
The utility model discloses a knife using a special-shaped spring, which comprises a blade part, a blade handle part for installing the blade part, a control device arranged on the blade handle part and a special-shaped spring power device arranged inside the blade handle, wherein one end of the blade part close to the blade handle part is provided with a hinge hole I, the blade part is rotatably connected with the blade handle part by the hinge hole II corresponding to the hinge hole I, one side of the blade handle part is provided with a blade outlet, the special-shaped spring power device comprises a blade handle part provided with a spring accommodating cavity and a special-shaped spring for providing power, the utility model has simple structure and reasonable design, and the special-shaped spring power device and the control device are arranged to form a controllable opening knife, compared with the common manually opened knife, the interest and the playability of the product are increased, and the special-shaped spring is arranged in the knife without too large limitation to the appearance of the knife, and under the effect of no external force, the product performance of the device is stable.
Description
Technical Field
The utility model relates to the technical field of cutters, specifically indicate a knife that uses abnormal shape spring.
Background
The existing hardware cutter generally comprises a cutter body and a cutter handle, the structure is simple, the cutter handle is provided with a cutter receiving groove, when the cutter body is closed, the cutter body is contained in the cutter receiving groove, the general cutter is mostly opened and closed manually, the automatic control opening function is not available, the special-shaped spring power device is a mechanical device which relies on the internal spring stress as power, and the spring knife without the special-shaped spring in the prior art is adopted.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a technical scheme does: a knife using a special-shaped spring comprises a blade part, a blade handle part for installing the blade part, a control device arranged on the blade handle part and a special-shaped spring arranged in the knife handle, wherein one end, close to the blade handle part, of the blade part is provided with a first hinge hole, the knife handle part is provided with a second hinge hole corresponding to the first hinge hole, so that the blade part is rotatably connected with the knife handle part, one side of the knife handle part is provided with a blade outlet, one end part, provided with the second hinge hole, of the knife handle part is provided with an outer control port, one end of the blade part is provided with an inner control bayonet corresponding to the outer control port, the middle part of the control device is provided with a fulcrum connected with the surface of the knife handle part, one end of the control device is a clamping shaft end, the other end of the control device is a button end, the clamping shaft end is downwards provided with a clamping shaft, the clamping shaft extends into the outer control port to be clamped with the inner control bayonet to, the control device is used for fixing the opening and the inward contraction state of the cutter, one end of the special-shaped spring is fixed in the cutter handle part, the other end of the special-shaped spring is fixed on the cutter blade part, the special-shaped spring is in a stretching state to generate a retraction internal stress when the cutter blade part is in the inward contraction state, the special-shaped spring is in an initial state without the retraction internal stress when the cutter blade part is in the opening state, when the cutter blade part is in the inward contraction state, the button end of the control device is pressed, and when the clamping shaft end is separated from the internal control bayonet, the cutter blade part is poppe.
As an improvement, the knife handle part comprises a base plate provided with a second hinge hole, and a spring accommodating cavity corresponding to the special-shaped spring in shape is formed in the base plate. The special-shaped springs are arranged in the substrate accommodating cavity, two sides of the substrate are clamped on the substrate through clamping plates, the number of the special-shaped springs is one or more, and one end of each special-shaped spring is fixed on the substrate or the clamping plate.
As an improvement, a special-shaped spring mounting fixed point is arranged on one side, close to a blade outlet, of the blade part in the cutter handle part.
As an improvement, the special-shaped spring is a spiral spring or an S-shaped spring.
As an improvement, the section of the special-shaped spring material has two forms of a circle and a square.
After the structure more than adopting, the utility model has the advantages of as follows: the utility model discloses simple structure, reasonable in design makes this product form the controllable knife of opening through abnormal shape spring and controlling means's setting, compares with ordinary manual knife of opening, has increased the interest and the nature of playing of product to abnormal shape spring sets up and does not have too big restriction to the cutter outward appearance in the cutter is inside, and under the effect of no external force, this section device product property can be stable.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a knife using a special-shaped spring according to the present invention.
Fig. 2 is a schematic view of a first embodiment of the knife using a special-shaped spring according to the present invention.
Fig. 3 is a schematic structural view of a special-shaped spring in a first embodiment of the knife using the special-shaped spring according to the present invention.
Fig. 4 is a schematic view showing a blade portion of a first embodiment of the knife of the present invention using a deformed spring.
Fig. 5 is a schematic structural view of a base plate of a first embodiment of a knife using a shaped spring according to the present invention.
Fig. 6 is a schematic view of a clamp plate in a first embodiment of a knife using a shaped spring according to the present invention.
Fig. 7 is a schematic structural view of a second embodiment of the knife using a special-shaped spring according to the present invention.
Fig. 8 is a schematic view showing a disassembled structure of a second embodiment of the knife using a special-shaped spring according to the present invention.
Fig. 9 is a schematic view of a clamp plate of a second embodiment of a knife using a special-shaped spring according to the present invention.
Fig. 10 is a schematic structural view of a front end plate of a second embodiment of the knife using a special-shaped spring according to the present invention.
Fig. 11 is a schematic structural view of a control device in a knife using a special-shaped spring according to the present invention.
Fig. 12 is a schematic cross-sectional view of a special-shaped spring of a knife using the special-shaped spring according to the present invention.
Fig. 13 is a schematic view of a connection structure of a special-shaped spring in a first embodiment of a knife using a special-shaped spring power device of the present invention.
FIG. 14 is a schematic view of the connection structure of the special-shaped spring in the second embodiment of the knife using the special-shaped spring according to the present invention
As shown in the figure: 1. the cutter blade part comprises a cutter blade part 101, a first hinge hole 102, an inner control clamping opening, 2, a cutter handle part 201, a second hinge hole 202, an outer control opening 203, an upper base plate 204, a lower base plate 205, an inner clamping plate 206, an outer clamping plate 207, a front end plate 208, a spring accommodating cavity 3, a control device 301, a fulcrum 302, a clamping shaft 303, a button 304, a button spring 4 and a special-shaped spring.
Detailed Description
With reference to the attached drawings 1-13
First embodiment, this embodiment is an example of use of a coil type spring
A knife using a special-shaped spring 4 comprises a blade part 1, a handle part 2 for mounting the blade part 1, a control device 3 mounted on the handle part 2 and a special-shaped spring 4 mounted in the handle part 2, wherein one end of the blade part 1 close to the handle part 2 is provided with a first hinge hole 101, the handle part 2 is provided with a second hinge hole 201 corresponding to the first hinge hole 101 so that the blade part 1 and the handle part 2 can be rotatably connected, one side of the handle part 2 is provided with a blade outlet, one end part of the handle part 2 provided with the second hinge hole 201 is provided with an outer control port 202, one end of the blade part 1 is provided with an inner control bayonet 102 corresponding to the outer control port 202, the middle part of the control device 3 is provided with a fulcrum 301 connected with the surface of the handle part 2, one end of the control device 3 is a bayonet end, the other end is a button end, the bayonet end is downwards provided with a bayonet 302, the bayonet 302 extends into the outer control port 202 and is clamped with the inner control bayonet 102 to fix the blade, the button end is equipped with button 303 and is connected with handle of a knife portion 2 surface through button spring 304, controlling means 3 is used for opening and the adduction state of fixed cutter, 4 one ends of abnormal shape spring are fixed in the handle of a knife portion, the other end is fixed in on the blade portion for abnormal shape spring 4 is in tensile state when the blade portion is located the adduction state and produces the internal stress that contracts, abnormal shape spring 4 is in initial condition and does not have the internal stress that contracts when the blade portion is located the open mode, when the blade portion is in the adduction state, press controlling means 3 button end, when card axle 302 end breaks away from the internal control bayonet socket, blade portion 1 is popped out under the internal stress effect that abnormal shape spring 4 contracts.
As a preferred embodiment of the present embodiment, the handle portion 2 includes a base plate 203 having a second hinge hole 201, a spring receiving cavity 206 corresponding to the shape of the shaped spring 4 is disposed on the base plate 203, the shaped spring 4 is mounted 4 in the base plate 203, two sides of the base plate 203 are clamped on the base plate 203 by a clamping plate 204, the number of the shaped springs 4 is one or two, and one end of the shaped spring 4 is mounted on the base plate 203 or the clamping plate 204.
As a preferred embodiment of the present embodiment, the shaped spring 4 is a coil spring.
As a preferred embodiment of the present embodiment, the side of the blade part 1 close to the blade outlet in the handle part 2 is provided with a fixing point 103 of a special-shaped spring 4.
As a preferred embodiment of the embodiment, the section of the special-shaped spring 4 has two forms of circle and square.
Second embodiment, this embodiment is an example of using an S-shaped spring
A knife using a special-shaped spring 4 comprises a blade part 1, a handle part 2 for mounting the blade part 1, a control device 3 mounted on the handle part 2 and a special-shaped spring 4 mounted in the handle part 2, wherein one end of the blade part 1 close to the handle part 2 is provided with a first hinge hole 101, the handle part 2 is provided with a second hinge hole 201 corresponding to the first hinge hole 101 so that the blade part 1 and the handle part 2 can be rotatably connected, one side of the handle part 2 is provided with a blade outlet, one end part of the handle part 2 provided with the second hinge hole 201 is provided with an outer control port 202, one end of the blade part 1 is provided with an inner control bayonet 102 corresponding to the outer control port 202, the middle part of the control device 3 is provided with a fulcrum 301 connected with the surface of the handle part 2, one end of the control device 3 is a bayonet end, the other end is a button end, the bayonet end is downwards provided with a bayonet 302, the bayonet 302 extends into the outer control port 202 and is clamped with the inner control bayonet 102 to fix the blade, the button end is equipped with button 303 and is connected with handle of a knife portion 2 surface through button spring 304, controlling means 3 is used for opening and the adduction state of fixed cutter, 4 one ends of abnormal shape spring are fixed in the handle of a knife portion, the other end is fixed in on the blade portion for abnormal shape spring 4 is in tensile state when the blade portion is located the adduction state and produces the internal stress that contracts, abnormal shape spring 4 is in initial condition and does not have the internal stress that contracts when the blade portion is located the open mode, when the blade portion is in the adduction state, press controlling means 3 button end, when card axle 302 end breaks away from the internal control bayonet socket, blade portion 1 is popped out under the internal stress effect that abnormal shape spring 4 contracts.
As a preferred embodiment of the present embodiment, the handle portion 2 includes a base plate 203 having a hinge hole two 201, two sides of the base plate 203 are clamped by clamping plates 204 at two sides of the base plate 203, a front end plate 205 is further disposed at an end of the outer side of the base plate 203 close to the blade portion 1, a spring accommodating cavity 206 corresponding to the shape of the special-shaped spring 4 is disposed on the base plate 203, the special-shaped spring 4 is mounted inside the base plate 203, the number of the special-shaped springs 4 is one or two, and one end of the special-shaped spring 4 is mounted on the base plate 203.
As a preferred embodiment of the present embodiment, the shaped spring 4 is an S-shaped spring.
As a preferred embodiment of the present embodiment, the side of the blade part 1 close to the blade outlet in the handle part 2 is provided with a special-shaped spring mounting fixing point 103.
As a preferred embodiment of the embodiment, the section of the material of the special-shaped spring 4 has two forms of circle and square.
When the utility model is implemented, when the blade part is in an opening or inward closing state, the clamping shaft at the front end of the control device extends into the outer control port and the inner control port on the blade part and the handle part under the action of the button spring, so that the blade part can not rotate freely; when the button is pressed, the clamping shaft tilts and leaves the outer control opening and the inner control clamping opening, and the blade part can rotate at will.
As shown in fig. 12 and 13, when the product is mounted, one end of the special-shaped spring is fixed with the blade part, the other end of the special-shaped spring is fixed with the base plate or the inner clamping plate, when the blade part is in an open state, the fixed point of the special-shaped spring and the blade part is at a point a, when the blade part is retracted into the handle part (manually retracted), the fixed point of the special-shaped spring and the blade part is shifted to a point B, at this time, the special-shaped spring is in a stretching state, and the special-shaped spring generates retraction internal stress. When the fixed control button is pressed down to enable the blade part to be in a free rotation state, the blade part can automatically return to an opening state under the action of the retraction internal stress of the special-shaped spring.
In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly but via another feature. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the first feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (5)
1. A knife using a profiled spring, characterized in that: the special-shaped spring is arranged in the knife handle, one end, close to the knife handle, of the blade part is provided with a first hinge hole, the knife handle part is provided with a second hinge hole corresponding to the first hinge hole, so that the blade part is rotatably connected with the knife handle part, one side of the knife handle part is provided with a blade outlet, the end part, provided with the second hinge hole, of the knife handle part is provided with an outer control port, one end of the blade part is provided with an inner control clamping port corresponding to the outer control port, the middle part of the control device is provided with a fulcrum connected with the surface of the knife handle part, one end of the control device is a clamping shaft end, the other end of the control device is a button end, the clamping shaft end is downwards provided with a clamping shaft, the clamping shaft extends into the outer control port and is clamped with the inner control clamping port to fix the blade part, the button end is provided with a button and is connected with the surface of the knife handle part, the control device is used for fixing the opening and the inward contraction state of the cutter, one end of the special-shaped spring is fixed in the cutter handle part, the other end of the special-shaped spring is fixed on the cutter blade part, the special-shaped spring is in a stretching state to generate a retraction internal stress when the cutter blade part is in the inward contraction state, the special-shaped spring is in an initial state without the retraction internal stress when the cutter blade part is in the opening state, when the cutter blade part is in the inward contraction state, the button end of the control device is pressed, and when the clamping shaft end is separated from the internal control bayonet, the cutter blade part is poppe.
2. A knife using a profiled spring as in claim 1, wherein: the utility model discloses a handle of a knife, including the base plate that is equipped with hinge hole two, the spring that is equipped with on the base plate and corresponds with heterotypic spring shape holds the chamber, heterotypic spring settles and holds the intracavity in the base plate, the base plate both sides are passed through the splint centre gripping on the base plate, the installation quantity of heterotypic spring is one or more, heterotypic spring one end is fixed in on base plate or the splint.
3. A knife using a profiled spring as in claim 1, wherein: and a special-shaped spring mounting fixed point is arranged on one side of the blade part close to the blade outlet in the cutter handle part.
4. A knife using a profiled spring as in claim 1, wherein: the special-shaped spring is a spiral spring or an S-shaped spring.
5. A knife using a profiled spring as in claim 1, wherein: the section of the special-shaped spring material has two forms of a circle and a square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920740352.9U CN209986974U (en) | 2019-05-22 | 2019-05-22 | Knife using special-shaped spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920740352.9U CN209986974U (en) | 2019-05-22 | 2019-05-22 | Knife using special-shaped spring |
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| Publication Number | Publication Date |
|---|---|
| CN209986974U true CN209986974U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920740352.9U Active CN209986974U (en) | 2019-05-22 | 2019-05-22 | Knife using special-shaped spring |
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| CN (1) | CN209986974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112021744A (en) * | 2020-07-29 | 2020-12-04 | 义乌工商职业技术学院 | Pendant with positioning and first-aid cutter |
-
2019
- 2019-05-22 CN CN201920740352.9U patent/CN209986974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112021744A (en) * | 2020-07-29 | 2020-12-04 | 义乌工商职业技术学院 | Pendant with positioning and first-aid cutter |
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