CN217168338U

CN217168338U - Multi-core dismounting tool

Info

Publication number: CN217168338U
Application number: CN202220724041.5U
Authority: CN
Inventors: 谢剑锋
Original assignee: Shenzhen Damoden Technology Co ltd
Current assignee: Shenzhen Jushifeng Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-12
Anticipated expiration: 2032-03-31

Abstract

The utility model belongs to the technical field of detaching device, a multicore assembly and disassembly tools is related to, include: the cutter comprises a shaft barrel, a plurality of cutter bodies and a plurality of operating components; the side wall of the shaft cylinder is provided with a plurality of opening parts, and the front end part of the shaft cylinder is provided with an outlet part; the cutter bodies are respectively arranged in the shaft barrel in a back-and-forth moving mode through a reset device, and the number of the cutter bodies is matched with that of the opening parts; the operating components are arranged at the rear end of the cutter body, pass through the opening parts and are positioned outside the shaft barrel, and the number and the positions of the operating components are matched with those of the opening parts; when one of the operating components is moved back and forth, the cutter body connected with the operating component can move back and forth in the shaft barrel, the front end part of the cutter body can extend out of the shaft barrel from the position of the outlet part, and the front end parts of other cutter bodies which are in the extending state can retract into the shaft barrel.

Description

Multi-core dismounting tool

Technical Field

The utility model belongs to the technical field of detaching device, a multicore assembly and disassembly tools is related to.

Background

The screwdriver is a tool widely used. The different screwdrivers differ mainly in the shape of the bits, e.g. cross, straight, quincunx or hexagonal bits. Therefore, when a worker is working, he or she usually carries a plurality of screwdrivers having different bit shapes or sizes.

At present, most of screw drivers are combined in a separated mode, namely, a tool bit and a handle can be randomly switched and combined after being separated, and the screw drivers can be used only by inserting the required tool bit into a fixing hole at the front end of the handle; however, when a user needs to switch and use a plurality of types of screwdrivers for a plurality of times, the user needs to carry a plurality of screwdrivers with different shapes or sizes to use the screwdrivers to disassemble or install the screwdrivers corresponding to the screwdrivers, so that the existing screwdrivers have too single function, and the user is not convenient enough to use the screwdrivers.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a multicore assembly and disassembly tools to it is too single to solve current screwdriver function, leads to the user problem convenient enough when using the screwdriver.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-core disassembly tool, comprising:

the side wall of the shaft cylinder is provided with a plurality of opening parts, and the front end part of the shaft cylinder is provided with an outlet part;

the cutter bodies are respectively arranged in the shaft barrel in a back-and-forth moving mode through a reset device, and the number of the cutter bodies is matched with that of the opening parts;

the operating components are mounted at the rear end of the cutter body, pass through the opening parts and are positioned outside the shaft barrel, and the number and the positions of the operating components are matched with those of the opening parts;

when one of the operating components is moved back and forth, the cutter body connected with the operating component can move back and forth in the shaft barrel, the front end part of the cutter body can extend out of the shaft barrel from the position of the outlet part, and the front end parts of other cutter bodies which are in the extending state can retract into the shaft barrel.

Further, the cutter body includes:

the rear end part of the knife core bracket is fixed with the operating part;

the knife core is detachably arranged at the front end part of the knife core bracket.

Further, the shaft cylinder includes: the rear end part of the lower cylinder body is in threaded connection with the front end part of the upper cylinder body.

Further, the rear end of a shaft section of thick bamboo still is provided with laborsaving device, laborsaving device includes: the tail cap is provided with an accommodating space, the connecting part is fixedly arranged in the accommodating space, and the connecting part is fixed with the rear end part of the shaft barrel.

Furthermore, the types of the knife cores connected with each knife core bracket are different.

Further, the number of the cutter bodies is set to be 3, 4 or 5.

Furthermore, the front end part of the cutter core support is also provided with a connecting hole, two opposite side walls in the connecting hole are provided with limiting bulges, the rear end part of the cutter core is also provided with a connecting column, a limiting groove is also arranged on the opposite outer side wall of the connecting column, the connecting column is inserted in the connecting hole, and the position and the number of the limiting groove are matched with the position and the number of the limiting bulges.

Furthermore, the limiting protrusion is an arc protrusion, and the limiting groove is an arc groove.

Furthermore, an upper tooth and a lower tooth are arranged on one side of the cutter core support close to the inner side of the shaft cylinder, and a step part is formed at the lower end of the lower tooth; when one of the cutter bodies is in a stretching state, the upper end of the upper teeth of the cutter body in the stretching state is abutted against the step part on the lower teeth of the other cutter body in a contracting state, so that the cutter body in the stretching state is positioned.

Further, the reset device comprises: the spring support is fixed in the shaft barrel, the spring support is sleeved on the cutter body, the spring is sleeved on the cutter body and located above the spring support, one end of the spring is fixed to the spring support, and the other end of the spring is fixed to the cutter body.

The utility model has the advantages that:

by arranging the plurality of cutter bodies, the plurality of opening parts are arranged on the shaft barrel, the plurality of operation parts are arranged, when one of the operation parts is moved back and forth, the cutter body connected with the operation part can move back and forth in the shaft barrel, the front end part of the cutter body can extend out of the shaft barrel from the position of the outlet part, and meanwhile, the front end parts of other cutter bodies which are in the extending state before can be retracted into the shaft barrel, so that a user can replace the cutter bodies with different models only by using one screwdriver, the dismounting tool can act on screws with different models, and the convenience of the user in using the screwdriver is improved.

Drawings

FIG. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic sectional structure of the present invention;

FIG. 4 is a schematic structural view of a holder for a tool core according to the present invention;

fig. 5 is a schematic structural view of another view angle of the core holder of the present invention;

fig. 6 is a schematic structural view of the middle knife core of the present invention.

The labels in the figure are: 100-shaft cylinder, 110-upper cylinder body, 111-opening part, 120-lower cylinder body and 121-outlet part; 200-cutter body, 210-cutter core bracket, 211-connecting hole, 212-upper tooth, 213-lower tooth, 2131-step part, 2111-limiting protrusion, 220-cutter core, 221-connecting column and 2211-limiting groove; 300-an operating member; 400-labor-saving device, 410-tail cap, 420-connecting part; 500-reset device, 510-spring support, 520-spring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-6, a multi-core disassembly tool comprises: a shaft tube 100, a plurality of cutter bodies 200, and a plurality of operation members 300; a plurality of openings 111 are arranged on the side wall of the shaft cylinder 100, and an outlet part 121 is arranged at the front end part of the shaft cylinder 100; the plurality of cutter bodies 200 are respectively arranged in the shaft cylinder 100 in a way that the cutter bodies can move back and forth through a resetting device 500, and the number of the cutter bodies 200 is adapted to the number of the opening parts 111; the operating members 300 are mounted at the rear end of the cutter body 200, the operating members 300 are respectively positioned outside the shaft cylinder 100 through the opening parts 111, and the number and the positions of the operating members 300 are adapted to those of the opening parts 111; when one of the operating members 300 is moved forward and backward, the cutter body 200 connected to the one operating member 300 can move forward and backward in the shaft tube 100, and the front end portion of the cutter body 200 can extend from the position of the outlet portion 121 to the outside of the shaft tube 100, and the front end portions of the other cutter bodies 200 which are previously in the extended state can be retracted into the shaft tube 100, in this embodiment, the number of the cutter bodies 200 is set to 3, 4, or 5, and in other embodiments, the number of the cutter bodies 200 may be set to 2, 6, or other numbers, and the number of the cutter bodies 200 is not required.

By arranging a plurality of knife bodies 200, arranging a plurality of opening parts 111 on the shaft barrel 100 and arranging a plurality of operating parts 300, when one operating part 300 is moved back and forth, the knife body 200 connected with the operating part 300 can be moved back and forth in the shaft barrel 100, the front end part of the knife body 200 can extend out of the shaft barrel 100 from the position of the outlet part 121, and the front end parts of other knife bodies 200 which are in the extending state can be retracted into the shaft barrel 100, so that a user can replace the knife bodies 200 with different models only by using one screwdriver, the dismounting tool can act on screws with different models, and the convenience of the user when using the screwdriver is improved.

In one embodiment, the cutter body 200 includes: a cartridge holder 210 and a cartridge 220; the rear end of the cartridge holder 210 is fixed to the operating member 300; the knife core 220 is detachably mounted at the front end part of the knife core bracket 210, further, the front end part of the knife core bracket 210 is also provided with a connecting hole 211, two opposite side walls in the connecting hole 211 are provided with limiting protrusions 2111, the rear end part of the knife core 220 is also provided with a connecting column 221, the opposite outer side wall on the connecting column 221 is also provided with a limiting groove 2211, the connecting column 221 is inserted in the connecting hole 211, and the positions and the number of the limiting grooves 2211 are matched with the positions and the number of the limiting protrusions 2111; spacing arch 2111 and spacing recess 2211's setting, can convenience of customers dismantle the change with sword core 220 from sword core support 210, guarantee that the user can change the sword core 220 of different models to the screw of different models, thereby further increase the convenience of user when using assembly and disassembly tools, in this embodiment, the model of the sword core 220 that every sword core support 210 connects is all inequality, the model of the sword core 220 that will connect every sword core support 210 is all inequality, guarantee that assembly and disassembly tools can be to the screw of multiple different models.

In one embodiment, the shaft cartridge 100 includes: go up stack shell 110 and lower stack shell 120, the rear end of lower stack shell 120 with the preceding tip threaded connection of last stack shell 110 comprises last stack shell 110 and lower stack shell 120 through setting up a section of thick bamboo 100, and convenience of customers opens the section of thick bamboo to guarantee that the user can change the refill 220 on the refill support 210.

In one embodiment, the rear end of the shaft tube 100 is further provided with a labor saving device 400, and the labor saving device 400 includes: the tail cap 410 and the connecting part 420, a containing space is formed on the tail cap 410, the connecting part 420 is fixedly arranged in the containing space, the connecting part 420 is fixed with the rear end part of the shaft barrel 100, the tail cap 410 and the connecting part 420 form the labor-saving device 400, so that when a user uses an operating tool, the tail cap 410 can apply force downwards, the body part of the dismounting tool can be screwed or unscrewed when rotating, and the screwdriver is more labor-saving when used.

In one embodiment, the limiting protrusion 2111 is an arc protrusion, the limiting groove 2211 is an arc groove, and the limiting protrusion 2111 is set as an arc protrusion, and the limiting groove 2211 is set as an arc groove, so that the user can detach the knife core 220 from the knife core support 210 more conveniently.

In one embodiment, an upper tooth 212 and a lower tooth 213 are disposed on a side of the core holder 210 close to the inner side of the shaft cylinder 100, and a stepped portion 2131 is formed at a lower end of the lower tooth 213; when one of the cutter bodies 200 is in the extended state, the upper end of the upper teeth 212 of the cutter body 200 in the extended state abuts against the stepped portion 2131 of the lower teeth 213 of the other cutter body 200 in the retracted state, thereby positioning the cutter body 200 in the extended state; the upper teeth 212 and the lower teeth 213 are arranged, and the stepped part 2131 is arranged on the lower teeth 213, so that when one cutter body 200 is in an extended state, the stepped part 2131 on the other cutter body 200 can abut against the cutter body 200 in the extended state, so as to position the cutter body 200 in the extended state, furthermore, the stepped part 2131 is provided with a first inclined surface, the top of the upper teeth 212 is also provided with a second inclined surface, when one cutter body 200 is in the extended state, the first inclined surface of the stepped part 2131 on the extended cutter body 200 is contacted with the second inclined surface on the other cutter body 200 in a contracted state, the first inclined surface and the second inclined surface are arranged, so that when the other cutter body 200 in the contracted state moves towards the front end, the first inclined surface of the cutter body 200 can press the second inclined surface, so that the cutter body 200 moving towards the front end can generate a component force in a horizontal direction to push the cutter core support 210 to slightly move towards the outer side of the shaft barrel 100, thereby ensuring that the cutter body 200 in the extended state can be retracted into the shaft cylinder 100 by the spring.

In one embodiment, the reset apparatus 500 includes: the spring support 510 is fixed in the shaft cylinder 100, the spring support 510 is sleeved on the cutter body 200, the spring 520 is located above the spring support 510, one end of the spring 520 is fixed to the spring support 510, and the other end of the spring 520 is fixed to the cutter body 200.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-core disassembly tool, comprising:

a shaft tube (100), wherein a plurality of openings (111) are arranged on the side wall of the shaft tube (100), and an outlet part (121) is arranged at the front end part of the shaft tube (100);

the cutter bodies (200) are respectively arranged in the shaft barrel (100) in a manner that the cutter bodies (200) can move back and forth through a resetting device (500), and the number of the cutter bodies (200) is adapted to the number of the opening parts (111);

a plurality of operating members (300), wherein the operating members (300) are arranged at the rear end of the cutter body (200), the operating members (300) are respectively positioned outside the shaft barrel (100) through the opening parts (111), and the number and the positions of the operating members (300) are matched with those of the opening parts (111);

when one of the operating members (300) is moved forward and backward, the cutter body (200) connected with the one operating member (300) can move forward and backward in the shaft cylinder (100), the front end part of the cutter body (200) can extend out of the shaft cylinder (100) from the position of the outlet part (121), and the front end parts of other cutter bodies (200) which are in the extending state can retract into the shaft cylinder (100).

2. The multi-core disassembly tool of claim 1, wherein the tool body (200) comprises:

a cartridge holder (210), a rear end portion of the cartridge holder (210) being fixed to the operation member (300);

the knife core (220) is detachably arranged at the front end part of the knife core bracket (210).

3. A multi-core disassembly tool as claimed in claim 1, wherein said shaft (100) comprises: the cylinder comprises an upper cylinder body (110) and a lower cylinder body (120), wherein the rear end part of the lower cylinder body (120) is in threaded connection with the front end part of the upper cylinder body (110).

4. The tool as claimed in claim 1, wherein the rear end of the shaft tube (100) is further provided with a labor saving device (400), and the labor saving device (400) comprises: the tail cap (410) and the connecting part (420), wherein an accommodating space is formed on the tail cap (410), the connecting part (420) is fixedly arranged in the accommodating space, and the connecting part (420) is fixed with the rear end part of the shaft barrel (100).

5. A tool as claimed in claim 1, wherein the cores (220) attached to each core holder (210) are of different sizes.

6. A multi-core disassembly tool as claimed in claim 4, wherein the number of the tool bodies (200) is set to 3, 4 or 5.

7. The multi-core dismounting tool as claimed in claim 2, wherein the front end of the core holder (210) further has a connecting hole (211), two opposite side walls in the connecting hole (211) are provided with limiting protrusions (2111), the rear end of the core (220) further has a connecting post (221), two opposite outer side walls on the connecting post (221) are further provided with limiting grooves (2211), the connecting post (221) is inserted into the connecting hole (211), and the positions and the number of the limiting grooves (2211) are adapted to the positions and the number of the limiting protrusions (2111).

8. The tool of claim 7, wherein the stop protrusion (2111) is an arc protrusion and the stop recess (2211) is an arc recess.

9. The tool as claimed in claim 2, wherein the tool holder (210) has an upper tooth (212) and a lower tooth (213) on a side thereof adjacent to the inside of the shaft (100), and a step (2131) is formed at a lower end of the lower tooth (213); when one of the cutter bodies (200) is in the extended state, the upper end of the upper teeth (212) of the cutter body (200) in the extended state abuts against the step part on the lower teeth (213) of the other cutter body (200) in the retracted state, so that the cutter body (200) in the extended state is positioned.

10. The multi-core disassembly tool of claim 9, wherein the resetting device (500) comprises: the spring support (510) is fixed in the shaft barrel (100), the spring support (510) is sleeved on the cutter body (200), the spring (520) is located above the spring support (510), one end of the spring (520) is fixed with the spring support (510), and the other end of the spring (520) is fixed with the cutter body (200).