CN218364416U - Screwdriver - Google Patents

Screwdriver Download PDF

Info

Publication number
CN218364416U
CN218364416U CN202222310815.2U CN202222310815U CN218364416U CN 218364416 U CN218364416 U CN 218364416U CN 202222310815 U CN202222310815 U CN 202222310815U CN 218364416 U CN218364416 U CN 218364416U
Authority
CN
China
Prior art keywords
tool bit
bit
screwdriver
push
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222310815.2U
Other languages
Chinese (zh)
Inventor
黎国锋
张敏
朱金春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ambulanc Shenzhen Tech Co Ltd
Original Assignee
Ambulanc Shenzhen Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ambulanc Shenzhen Tech Co Ltd filed Critical Ambulanc Shenzhen Tech Co Ltd
Priority to CN202222310815.2U priority Critical patent/CN218364416U/en
Application granted granted Critical
Publication of CN218364416U publication Critical patent/CN218364416U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

The utility model belongs to the technical field of screwdriver tools, in particular to a screwdriver, which comprises a base and a plurality of tool bit components, wherein the plurality of tool bit components are arranged radially along the outer edge of the base; the tool bit subassembly includes tool bit, tool bit connecting piece and push-and-pull subassembly, and the one end of tool bit connecting piece is connected on the base, and the other end of tool bit connecting piece is provided with accepts the chamber, and the tool bit setting is in accepting the chamber, and the push-and-pull subassembly can drive the tool bit along accepting the chamber and outwards moving, and the flower type of the tool bit of two at least tool bit subassemblies is different. The utility model discloses in, with the tool bit integration of multiple difference on an instrument, need not prepare various screwdriver instruments because the screw head is of many kinds, solved when dismantling multiple screw head prepare the problem that work efficiency is low that the work load is big and frequently change the screwdriver in the dismouting in-process in earlier stage and cause.

Description

Screwdriver
Technical Field
The utility model belongs to the technical field of the screwdriver instrument, especially, relate to a screwdriver.
Background
Medical compressors are often used in the medical appliance industry, the types of screw heads used on the medical compressors are more, various screwdrivers need to be prepared when the medical compressors are disassembled and assembled, the preparation workload before operation is large, and the disassembly and assembly efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the screwdriver aims at solving the problems that the types of screw heads on the existing compressor are more, various screwdrivers need to be prepared during dismounting, and the dismounting efficiency is influenced.
In order to solve the technical problem, an embodiment of the present invention provides a screwdriver, including a base and a plurality of tool bit assemblies, wherein the plurality of tool bit assemblies are radially arranged along an outer edge of the base;
the tool bit assembly comprises a tool bit, a tool bit connecting piece and a push-pull assembly, one end of the tool bit connecting piece is connected to the base, the other end of the tool bit connecting piece is provided with an accommodating cavity, the tool bit is arranged in the accommodating cavity, the push-pull assembly can drive the tool bit to move outwards along the accommodating cavity, and the tool bit of at least two tool bit assemblies is different in flower type.
Optionally, the cutter head comprises a cutter head body and a cutter head part connected to the cutter head body, and the cutter head body and at least part of the cutter head part are arranged in the accommodating cavity.
Optionally, the cross-sectional shape of the tool bit body is the same as that of the accommodating cavity, and the cross-sectional shape of the tool bit body is an ellipse or a polygon.
Optionally, the tool bit portion is a cross tool bit, a straight tool bit, a hexagonal tool bit, a triangular tool bit or a hexagonal tool bit.
Optionally, the push-pull assembly includes a push-pull button, the push-pull button includes a pressing portion and a connecting portion connected to the pressing portion, the pressing portion abuts against the tool bit connecting member, a sliding groove communicated with the accommodating cavity is formed in the tool bit connecting member, a connecting groove is formed in the tool bit, the connecting portion penetrates through the sliding groove and is connected to the connecting groove, the pressing portion is pushed, the connecting portion can move along the sliding groove, and the tool bit is driven to move in the accommodating cavity.
Optionally, the cutter head assembly further comprises a spring and a positioning ball, the cutter head is provided with an accommodating cavity, the spring and the positioning ball are arranged in the accommodating cavity, and the positioning ball can protrude out of the accommodating cavity and extend into the chute;
the tool bit connecting piece is provided with a stop block, the stop block is arranged at one end, far away from the base, of the sliding groove, a positioning hole is formed in the stop block, the connecting portion moves outwards along the sliding groove, and the positioning ball can enter the positioning hole.
Optionally, a side of the stopper facing the base has a guide surface capable of guiding the positioning ball to move toward the inside of the accommodating chamber.
Optionally, the push-pull assembly further comprises an unlocking button, and the unlocking button is fixedly or integrally connected to the push-pull button.
Optionally, the unlocking button comprises an unlocking portion and a butting portion, the unlocking portion butts against the tool bit connecting piece, the butting portion extends into the sliding groove, the unlocking portion can drive the butting portion to move towards the positioning ball, and therefore the positioning ball is pushed out of the positioning hole and enters the accommodating cavity.
Optionally, the base is pentagonal in cross-sectional shape, the number of the cutter head assemblies is five, and each cutter head assembly is correspondingly connected to one side surface of the base.
The embodiment of the utility model provides a screwdriver, through with a plurality of the tool bit subassembly is connected on the base, with the tool bit integration of multiple difference on an instrument, need not prepare various screwdriver instruments because the screw head is of many kinds, improve dismouting efficiency and degree of accuracy greatly, solved when dismantling multiple screw head prepare the work load in earlier stage big and frequently change the problem that work efficiency is low that the screwdriver caused at the dismouting in-process, in addition, through the push-and-pull subassembly can be with needs the tool bit is followed release in acceping the chamber, solved and carried the too big problem of in-process screwdriver volume, and can prevent at the dismouting in-process with other tool bits between mutual interference.
Drawings
Fig. 1 is a schematic view of a screwdriver according to an embodiment of the present invention;
fig. 2 is an exploded view of a screwdriver according to an embodiment of the present invention;
fig. 3 is a partial schematic view of a cutter head assembly according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a screwdriver according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view at A in FIG. 5;
fig. 6 is an enlarged schematic view at B in fig. 5.
The reference numerals in the specification are as follows:
1. a base;
2. a cutter head assembly; 21. a cutter head; 211. a tool bit body; 212. a cutter head portion; 213. connecting grooves; 214. an accommodating chamber; 22. a cutter head connecting piece; 221. an accommodating cavity; 222. a chute; 23. push-pull buttons; 231. a pressing part; 232. a connecting portion; 24. a connecting bolt; 25. an unlock button; 251. an unlocking portion; 252. an abutting portion; 26. a spring; 27. positioning the ball bearing;
3. a stopper; 31. positioning holes; 32. a guide surface.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 6, an embodiment of the present invention provides a screwdriver, which includes a base 1 and a plurality of tool bit assemblies 2, and the tool bit assemblies 2 are radially arranged along the outer edge of the base 1. The cutter head assembly 2 comprises a cutter head 21, a cutter head connecting piece 22 and a push-pull assembly, one end of the cutter head connecting piece 22 is connected to the base 1, the other end of the cutter head connecting piece 22 is provided with an accommodating cavity 221 with an opening at one end, the cutter head 21 is arranged in the accommodating cavity 221, the push-pull assembly can drive the cutter head 21 to move outwards along the accommodating cavity 221, so that the cutter head 21 can extend out of or retract back from the accommodating cavity 221, the cutter heads 21 of at least two cutter head assemblies 2 are different in flower type, and screws of corresponding types can be detached or installed after the cutter head 21 extends out.
The embodiment of the utility model provides a screwdriver, through with a plurality of tool bit subassembly 2 is connected on base 1, with the tool bit 21 integration of multiple difference on a tool, need not prepare various screwdriver instruments because the screw head is of many kinds, improve dismouting efficiency and degree of accuracy greatly, solved when dismantling multiple screw head prepare the work load in earlier stage big and frequently change the problem that work efficiency is low that the screwdriver caused in the dismouting in-process, in addition, through the push-and-pull subassembly can be with needs the tool bit 21 is followed it releases to accept in the chamber 221, has solved and has carried the bulky problem of in-process screwdriver, and can prevent at the dismouting in-process with other mutual interference between the tool bit 21.
In an embodiment, as shown in fig. 2 and 3, the tool bit 21 includes a tool bit body 211 and a tool bit portion 212 connected to the tool bit body 211, the tool bit body 211 and at least a portion of the tool bit portion 212 are disposed in the receiving cavity 221, and the tool bit portion 212 is connected to the receiving cavity 221 of the tool bit connector 22 through the tool bit body 211.
In an embodiment, as shown in fig. 2 and 3, the cross-sectional shape of the bit body 211 is the same as the cross-sectional shape of the receiving cavity 221, the cross-sectional shape of the bit body 211 is an ellipse or a polygon, and the polygon may be, but is not limited to, a triangle, a quadrangle, a pentagon and a hexagon, and by providing the same cross-sectional shapes of the bit body 211 and the receiving cavity 221, the rotation of the bit 21 relative to the bit connector 22 can be limited, and the removal of screws by the bit 21 is not affected.
In one embodiment, the tool head 212 is a cross tool, a straight tool, a hexagonal tool, a triangular tool, or a hexagonal-pattern tool. The plurality of tool heads 212 may be provided in different patterns, or the plurality of tool heads 212 may have the same pattern with the same type and different sizes.
In an embodiment, as shown in fig. 2 and 5, the push-pull assembly includes a push-pull button 23, the push-pull button 23 includes a pressing portion 231 and a connecting portion 232 connected to the pressing portion 231, the pressing portion 231 abuts against the tool bit connector 22, the tool bit connector 22 is provided with a sliding slot 222 communicated with the receiving cavity 221, the sliding slot 222 is arranged along an extending direction of the tool bit connector 22, a width of the pressing portion 231 is greater than a width of the sliding slot 222, the pressing portion 231 cannot enter the sliding slot 222, the tool bit body 211 of the tool bit 21 is provided with a connecting slot 213, a profile of the connecting slot 213 is adapted to a profile of the connecting portion 232, the connecting portion 232 can pass through the sliding slot 222 and be connected to the connecting slot 213, the pressing portion 231 is pushed, the connecting portion 232 can move along the sliding slot 222, and the tool bit 21 is further moved in the receiving cavity 221.
In an embodiment, as shown in fig. 3 and 5, the push-pull assembly further includes a connection bolt 24, a first connection hole penetrating through the pressing portion 231 and the connection portion 232 is formed on the push-pull button 23, a second connection hole is formed on the tool bit 21, the second connection hole is communicated with the connection groove 213, the second connection hole penetrates through the tool bit 21 from the bottom of the connection groove 213, and after the connection portion 232 is inserted into the connection groove 213, the connection bolt 24 penetrates through the first connection hole and is screwed into the second connection hole, so as to fixedly connect the push-pull button 23 to the tool bit 21.
In an embodiment, as shown in fig. 2, 3 and 5, the cutter head assembly 2 further includes a spring 26 and a positioning ball 27, the cutter head body 211 of the cutter head 21 is provided with a receiving cavity 214, the receiving cavity 214 is located at one side of the connecting groove 213, the spring 26 and the positioning ball 27 are disposed in the receiving cavity 214, and the positioning ball 27 can protrude out of the receiving cavity 214 and extend into the sliding groove 222. Specifically, the lower half portion of the positioning ball 27 is disposed in the accommodating cavity 214, the upper half portion of the positioning ball 27 protrudes into the sliding groove 222, and the positioning ball 27 can move along the sliding groove 222 when the connecting portion 232 drives the cutter head 21 to move outwards along the accommodating cavity 221.
As shown in fig. 2 and 6, the tool bit connector 22 is provided with a stopper 3, the stopper 3 is disposed at an end of the sliding groove 222 away from the base 1, the stopper 3 can block the push-pull button 23 to prevent the push-pull button 23 from being separated from the tool bit connector 22, the stopper 3 is provided with a positioning hole 31, the connecting portion 232 moves outwards along the sliding groove 222, the positioning ball 27 can enter the positioning hole 31, at this time, the moving distance of the tool bit 21 in the housing cavity 221 is maximized, the position of the tool bit 21 can be positioned by the cooperation of the positioning ball 27 and the positioning hole 31, the tool bit 21 is prevented from being separated from the housing cavity 221, and the tool bit 21 can be prevented from retracting into the housing cavity 221 when the screw is removed from the tool bit 21.
In an embodiment, as shown in fig. 6, the stopper 3 has a guide surface 32, the guide surface 32 is used for guiding the positioning ball 27 to move towards the inside of the accommodating cavity 214, when the push-pull button 23 drives the cutter head 21 to move outwards, the positioning ball 27 first contacts the guide surface 32, the guide surface 32 is an inclined surface, an included angle between the guide surface 32 and a central axis of the cutter head 21 is an acute angle, the positioning ball 27 can move along the guide surface 32 along with the movement of the cutter head 21, and is simultaneously pressed by the guide surface 32, the positioning ball 27 gradually presses the spring 26 until the positioning ball 27 is completely accommodated in the accommodating cavity 214, when the positioning ball 27 moves to the positioning hole 31 along with the movement of the cutter head 21, under the elastic force of the spring 26, the spring 26 can push the positioning ball 27 to move upwards and enter the positioning hole 31, and the positioning ball 27 is clamped by the positioning hole 31, the cutter head 21 moves outwards, so as to position the cutter head 21.
In one embodiment, as shown in fig. 2, the push-pull assembly further includes an unlocking button 25, the unlocking button 25 is fixed or integrally connected to the push-pull button 23, and pressing the unlocking button 25 can push the positioning ball 27 out of the positioning hole 31 and be accommodated in the accommodating cavity 214, so that the connecting portion 232 can move inwards along the sliding groove 222.
In an embodiment, as shown in fig. 5, the unlocking button 25 includes an unlocking portion 251 and an abutting portion 252, the width of the unlocking portion 251 is greater than the width of the sliding slot 222, the unlocking portion 251 is disposed above the sliding slot 222, the abutting portion 252 is disposed in the sliding slot 222, and the abutting portion 252 is located above the positioning ball 27, when the tool bit 21 is retracted, the unlocking portion 251 is pressed to drive the abutting portion 252 to move toward the positioning ball 27, the abutting portion 252 pushes the positioning ball 27 to press the spring 26, so that the positioning ball 27 is pushed out from the positioning hole 31, the clamping of the positioning hole 31 to the positioning ball 27 is released, and the push-pull button 23 is pulled to pull the tool bit 21 into the receiving cavity 221.
In one embodiment, as shown in fig. 1, the base 1 has a pentagonal cross-sectional shape, five cutter head assemblies 2 are provided, and each cutter head assembly 2 is correspondingly connected to one side surface of the base 1, so that various effects of integrating the cutter head 21 on the base 1 can be achieved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A screwdriver comprising a base and a plurality of bit assemblies radially arranged along an outer edge of the base;
the tool bit assembly comprises a tool bit, a tool bit connecting piece and a push-pull assembly, one end of the tool bit connecting piece is connected to the base, the other end of the tool bit connecting piece is provided with an accommodating cavity, the tool bit is arranged in the accommodating cavity, the push-pull assembly can drive the tool bit to move outwards along the accommodating cavity, and the patterns of the tool bit assembly are at least two different.
2. The screwdriver of claim 1 wherein said bit comprises a bit body and a bit portion attached to said bit body, said bit body and at least a portion of said bit portion being disposed in said pocket.
3. The screwdriver as defined in claim 2, wherein the cross-sectional shape of said bit body is the same as the cross-sectional shape of said receiving cavity, and the cross-sectional shape of said bit body is elliptical or polygonal.
4. The screwdriver as defined in claim 2, wherein said bit portion is a cross bit, a straight bit, a hexagonal bit, a triangular bit or a hexagonal flower type bit.
5. The screwdriver according to claim 1, wherein the push-pull assembly comprises a push-pull button, the push-pull button comprises a pressing portion and a connecting portion connected to the pressing portion, the pressing portion abuts against the tool bit connecting member, the tool bit connecting member is provided with a sliding groove communicated with the accommodating cavity, the tool bit is provided with a connecting groove, the connecting portion penetrates through the sliding groove and is connected to the connecting groove, the pressing portion is pushed, the connecting portion can move along the sliding groove, and the tool bit is driven to move in the accommodating cavity.
6. The screwdriver as defined in claim 5 wherein said bit assembly further comprises a spring and a positioning ball, said bit having a receiving cavity therein, said spring and said positioning ball being disposed in said receiving cavity, said positioning ball being capable of protruding out of said receiving cavity and into said slide slot;
the tool bit connecting piece is provided with a stop block, the stop block is arranged at one end, far away from the base, of the sliding groove, a positioning hole is formed in the stop block, the connecting portion moves outwards along the sliding groove, and the positioning balls can enter the positioning hole.
7. The screwdriver as recited in claim 6, wherein a side of said stop facing said base has a guide surface capable of guiding said positioning ball toward an interior of said receiving cavity.
8. The screwdriver as recited in claim 6 wherein said push-pull assembly further comprises an unlock button fixedly or integrally attached to said push-pull button.
9. The screwdriver as defined in claim 8, wherein the unlocking button comprises an unlocking part and an abutting part, the unlocking part abuts against the screwdriver bit connecting part, the abutting part extends into the sliding groove, and the unlocking part can drive the abutting part to move towards the positioning ball so as to push the positioning ball out of the positioning hole and enter the accommodating cavity.
10. The screwdriver as defined in claim 1, wherein said base is pentagonal in cross-sectional shape, and said plurality of bit assemblies are provided in a number of five, each of said bit assemblies being attached to a respective one of said sides of said base.
CN202222310815.2U 2022-08-30 2022-08-30 Screwdriver Active CN218364416U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222310815.2U CN218364416U (en) 2022-08-30 2022-08-30 Screwdriver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222310815.2U CN218364416U (en) 2022-08-30 2022-08-30 Screwdriver

Publications (1)

Publication Number Publication Date
CN218364416U true CN218364416U (en) 2023-01-24

Family

ID=84972178

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222310815.2U Active CN218364416U (en) 2022-08-30 2022-08-30 Screwdriver

Country Status (1)

Country Link
CN (1) CN218364416U (en)

Similar Documents

Publication Publication Date Title
US6261035B1 (en) Chuck, bit, assembly thereof and methods of mounting
GB2468201A (en) Quick change tool bit holder with retaining tooth
AU2017204503A1 (en) Punch tool, punch tip and method of securing a punch tip with a punch body
CN113386071B (en) Internal hexagonal wrench
CN218364416U (en) Screwdriver
US6877751B2 (en) Insertable tool connector
CN110446574B (en) Quick change tool
US7044462B2 (en) Fixture
KR101990801B1 (en) Core drill with one-touch lock function of core bit
CN201342497Y (en) Device for rapidly assembling/disassembling drill bit
TWM563937U (en) Knife sheath structure with safety clamping device
US6327941B1 (en) Socket wrench extension structure
JPH09287609A (en) Taper barrel, screw fastening structure using taper barrel with female screw, formed drill to machine taper barrel, and hammer for driving taper barrel
JP3216116U (en) socket
CN110666546A (en) Clamping mechanism and fast-assembling positioning fixture
CN215093349U (en) Sleeve dismounting device
US8075001B2 (en) Chuck and rotary orienting device
TW201930019A (en) Socket wrench
US6792836B1 (en) Socket drive head structure
CN108544264B (en) Workpiece clamp and processing equipment
CN212683708U (en) Rapid clamp
TWI774385B (en) Quick release tool connecting rod
TWM509094U (en) Silent clasp knife arm changer structure
CN220331171U (en) Novel magic ruler toy dismounting tool
CN214393888U (en) Positioning mechanism

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 518000, Building 1, 101, Evergrande Fashion Huigu Building, Fulong Road, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Security Medical Technology Co.,Ltd.

Country or region after: China

Address before: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000

Patentee before: Shenzhen Security Medical Technology Co.,Ltd.

Country or region before: China