CN221048310U

CN221048310U - Screwdriver with replaceable screwdriver head

Info

Publication number: CN221048310U
Application number: CN202322418875.0U
Authority: CN
Inventors: 庞拓
Original assignee: Shanghai Tuobide Tools Co ltd
Current assignee: Shanghai Tuobide Tools Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-05-31
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a screwdriver with replaceable screwdriver bits, which comprises: handle, dabber, installation cover, installation head and pushing component are formed with first passageway in the handle, and the one end of installation cover stretches into setting in the first passageway, and the other end of installation cover is formed with a plurality of mounting grooves, and the mounting groove is used for the holding to batch the head, and the one end of dabber pass the installation cover and with handle fixed connection, and the installation head sets up in the other end of installation cover, is formed with the second passageway in the installation head, and the other end of dabber stretches into setting in the second passageway, has seted up first breach on the installation head, and pushing component sets up in the other end of installation cover, and pushing component movably contacts with the batch head. Through the application of the screwdriver structure, the screwdriver structure with the replaceable screwdriver heads is provided, different screwdriver heads can be selected through the relative opening and rotating operation between the handle and the mounting head, the whole screwdriver head replacing process is simple and convenient, the working efficiency is further improved, and the possibility of scattering and losing the screwdriver heads is avoided.

Description

Screwdriver with replaceable screwdriver head

Technical Field

The utility model relates to the technical field of screwdrivers, in particular to a screwdriver with a replaceable screwdriver head.

Background

More commonly, the screwdriver handle that can replace the screwdriver head on the market is sold with corresponding a plurality of screwdriver heads in a supporting way generally to satisfy the user when using the screwdriver, can change the screwdriver head according to different demands, and still often can provide corresponding screwdriver head box in order to be convenient for accomodate scattered screwdriver head, generally will be criticized the head and stack in disorder or arrange the draw-in groove through the box bottom and place.

However, existing head boxes are inconvenient for the user who is working, and require additional kits or take up pocket space to store the head box. In addition, this also increases the likelihood of head loss due to the need to repeatedly access relatively scattered heads.

Disclosure of utility model

In view of the above, the present utility model provides a screwdriver with replaceable screwdriver bits, comprising: handle, dabber, installation cover, installation head and pushing component, be formed with first passageway in the handle, the one end of installation cover movably stretches into set up in the first passageway, the other end of installation cover is formed with a plurality of mounting grooves in proper order along the annular, the mounting groove is used for the holding to batch the head, the one end of dabber pass the installation cover and with handle fixed connection, the installation head set up in the other end of installation cover, be formed with the second passageway in the installation head, the other end of dabber movably stretches into set up in the second passageway, first breach has been seted up on the installation head, first breach with second passageway intercommunication sets up, pushing component set up in the other end of installation cover, be formed with a contact end on the pushing component, contact end movably with batch the head contacts, batch the head movably to pass first breach sets up.

In another preferred embodiment, the mounting head is provided with a second notch, the first notch and the second notch are arranged opposite to each other in the radial direction of the mounting head, and the contact end is movably inserted into the second notch.

In another preferred embodiment, the mounting head comprises: the first extending part, the annular part and the second extending part are sequentially connected, and the second channel penetrates through the first extending part, the annular part and the second extending part.

In another preferred embodiment, the mounting head further comprises: the transparent ring is sleeved outside the second extension part, and the upper edge of the transparent ring is connected with the lower edge of the annular part.

In another preferred embodiment, the pushing assembly comprises: the device comprises a mounting part, an elastic part, a pushing piece and a tongue piece, wherein the mounting part is formed on the inner side of a mounting sleeve, a guide hole is formed in the mounting part, the elastic part is arranged at one end of the pushing piece, the other end of the pushing piece movably penetrates through the guide hole and props against one end of the tongue piece, the tongue piece is rotatably arranged on the mounting sleeve, and the other end of the tongue piece is provided with a contact end.

In another preferred embodiment, the pushing assembly further comprises: the first magnetic attraction piece is embedded at the other end of the tongue-shaped piece and is movably attracted with the batch head.

In another preferred embodiment, further comprising: the second magnetic attraction piece is embedded at the other end of the mandrel and is used for being attracted with the batch head.

In another preferred embodiment, further comprising: the elastic locating pin is arranged on the inner side of the installation sleeve, at least one locating groove is formed in the mandrel, and the elastic locating pin is matched with the locating groove.

In another preferred embodiment, two positioning grooves are formed on the outer wall of the mandrel in sequence along the axial direction.

In another preferred embodiment, a marking is provided on the outside of the annular portion.

By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the screwdriver structure, the screwdriver structure with the replaceable screwdriver heads is provided, different screwdriver heads can be selected through the relative opening and rotating operation between the handle and the mounting head, the whole screwdriver head replacing process is simple and convenient, the working efficiency of a user is further improved, and the possibility of the screwdriver heads being scattered and lost is avoided.

Drawings

FIG. 1 is an overall schematic of an alternative screwdriver bit according to the present utility model;

FIG. 2 is an internal schematic view of an alternative screwdriver bit according to the present utility model;

FIG. 3 is a schematic view showing a first state of a screwdriver with an alternative screwdriver bit according to the present utility model;

FIG. 4 is a schematic view showing a second state of a screwdriver with an alternative screwdriver bit according to the present utility model;

fig. 5 is a schematic view showing a third state of a screwdriver with an alternative screwdriver bit according to the present utility model.

In the accompanying drawings:

1. A handle; 2. a mandrel; 3. a mounting sleeve; 4. a mounting head; 5. a pushing assembly; 6. a first channel; 7. a mounting groove; 8. a head is batched; 9. a second channel; 10. a first notch; 11. a contact end; 12. a second notch; 13. a first extension; 14. an annular portion; 15. a second extension; 16. a transparent ring; 17. a mounting part; 18. an elastic part; 19. a pushing member; 20. a tongue; 21. a guide hole; 22. a first magnetic attraction member; 23. a second magnetic attraction member; 24. an elastic positioning pin; 25. a positioning groove; 26. a marking part.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

As shown in fig. 1 to 5, a screwdriver with a replaceable screwdriver bit according to a preferred embodiment includes: the handle 1, the mandrel 2, the installation sleeve 3, the installation head 4 and the pushing component 5, a first channel 6 is formed in the handle 1, one end of the installation sleeve 3 movably stretches into the first channel 6 to be arranged, a plurality of installation grooves 7 are sequentially formed at the other end of the installation sleeve 3 along the ring shape, the installation grooves 7 are used for accommodating the batch head 8, one end of the mandrel 2 penetrates through the installation sleeve 3 and is fixedly connected with the handle 1, the installation head 4 is arranged at the other end of the installation sleeve 3, a second channel 9 is formed in the installation head 4, the other end of the mandrel 2 movably stretches into the second channel 9 to be arranged, a first notch 10 is formed on the installation head 4, the first notch 10 is communicated with the second channel 9, the pushing component 5 is arranged at the other end of the mounting sleeve 3, a contact end 11 is formed on the pushing component 5, the contact end 11 is movably contacted with the batch head 8, and the batch head 8 movably passes through the first notch 10. Further, in a specific use process of the screwdriver, referring to fig. 3 to 5, fig. 3 is a schematic diagram of the screwdriver in a first state of normal operation, specifically, a lower end of the mounting head 4 abuts against an upper end of the handle 1, the mounting sleeve 3 is accommodated between the mounting head 4 and the handle 1, a lower end of the corresponding screwdriver bit 8 is accommodated in the second channel 9, and an upper end of the screwdriver bit 8 protrudes outwards, and a contact end 11 abuts against an outer side of the mandrel 2; fig. 4 is a schematic diagram of a second state of the screwdriver when the screwdriver head 8 needs to be replaced, specifically, when the screwdriver head 8 originally located at the upper end of the second channel 9 needs to be replaced, a user can grip the mounting head 4 and the handle 1 with two hands respectively and apply an axial force to separate the mounting head 4 and the handle 1 relatively, at this time, the mounting sleeve 3 will move from the inside to the outside of the first channel 6, because the mandrel 2 and the handle 1 are relatively fixed, when the mandrel 2 drives the screwdriver head 8 originally located at the upper end of the second channel 9 to move to a position far away from the second channel 9, the contact end 11 will radially abut against the screwdriver head 8 and push the screwdriver head 8 into the mounting groove 7 through the first notch 10 radially for storage, thereby completing the withdrawal of the original batch head 8, wherein the contact end 11 is positioned above the upper end of the mandrel 2 without contact; fig. 5 is a schematic diagram of selecting a new screwdriver bit 8 when the screwdriver bit 8 needs to be replaced, specifically, after the original screwdriver bit 8 exits from a position opposite to the second channel 9, the handle 1 is rotated relative to the mounting bit 4 so that the mounting groove 7 with the new screwdriver bit 8 is opposite to the first notch 10, at this time, the contact end 11 will abut against the new screwdriver bit 8 again, as the mounting bit 4 and the handle 1 are moved relatively close to each other, the mandrel 2 moves upwards relative to the mounting sleeve 3, so that the upper end of the mandrel 2 abuts against the pushing component 5 and drives the contact end 11 of the pushing component 5 to reset, during the resetting process, the contact end 11 of the pushing component 5 drives the new screwdriver bit 8 to move to a position opposite to the second channel 9, as the mandrel 2 continues to move upwards, the contact end 11 is relatively slid against the outer wall of the mandrel 2, and the new batch head 8 is pushed against the upper end of the mandrel 2 and moves upwards until it protrudes from the upper end of the second channel 9, at which time the replacement of the batch head 8 is completed.

Further, as a preferred embodiment, the handle 1, the mandrel 2, the mounting sleeve 3 and the mounting head 4 are coaxially arranged.

Further, as a preferred embodiment, the mounting head 4 and the mounting sleeve 3 are relatively fixed in the axial direction, and the mounting head 4 and the mounting sleeve 3 are relatively rotatable in the circumferential direction; the mounting sleeve 3 and the handle 1 can slide relatively in the axial direction, and the mounting sleeve 3 and the handle 1 are fixedly arranged relatively in the circumferential direction; the pushing component 5 and the mounting sleeve 3 are arranged in a relatively fixed manner in the axial direction, the pushing component 5 and the mounting sleeve 3 are arranged in a relatively rotatable manner in the circumferential direction, and the pushing component 5 and the mounting head 4 are arranged in a relatively fixed manner in the circumferential direction. Further, when the mounting head 4 is axially separated from the handle 1, the mounting head 4 drives the mounting sleeve 3 and the pushing component 5 to simultaneously and axially move outwards relative to the mandrel 2, and when the mounting head 4 is rotated after the mounting head 4 is separated from the handle 1, the mounting head 4 drives the pushing component 5 to simultaneously rotate relative to the mounting sleeve 3; in normal use of the screwdriver, i.e. when the mounting head 4 is relatively close to the handle 1, the torque applied by the user to the handle 1 will be transferred to the mounting head 4 via the spindle 2, thereby finally transferring the torque to the screwdriver bit 8.

Further, as a preferred embodiment, the radial outer contour of the spindle 2 is arranged in a hexagonal shape and the inner contour of the second channel 9 is arranged in a hexagonal shape.

Further, as a preferred embodiment, the mounting head 4 is provided with a second notch 12, the first notch 10 and the second notch 12 are disposed opposite to each other in a radial direction of the mounting head 4, and the contact end 11 is movably inserted into the second notch 12. Further, the second notch 12 is in the shape of a mouth penetrating the mounting head 4 in the radial direction or a groove located inside and not penetrating, so that the contact end 11 is received in the second notch 12 when the contact end 11 is slidably abutted against the mandrel 2.

Further, as a preferred embodiment, the mounting head 4 includes: the first extension portion 13, the annular portion 14 and the second extension portion 15, the first extension portion 13, the annular portion 14 and the second extension portion 15 are connected in sequence, and the second passage 9 penetrates the first extension portion 13, the annular portion 14 and the second extension portion 15.

Further, as a preferred embodiment, the outer contour of the first extension 13 and the outer contour of the second extension 15 are smaller than the radial outer contour of the annular portion 14.

Further, as a preferred embodiment, the mounting head 4 further includes: and the transparent ring 16 is sleeved outside the second extension part 15, and the upper edge of the transparent ring 16 is connected with the lower edge of the annular part 14. Further, the upper end of the batch head 8 accommodated in the installation groove 7 is extended outwardly and exposed to the radial outside of the installation sleeve 3 so that a user can directly observe the head end type of the batch head 8 from the outside of the transparent ring 16 radially, thereby facilitating selection.

Further, as a preferred embodiment, the pushing assembly 5 includes: the mounting part 17, the elastic part 18, the pushing piece 19 and the tongue piece 20, wherein the mounting part 17 is formed on the inner side of the mounting sleeve 3, a guide hole 21 is formed on the mounting part 17, the elastic part 18 is arranged at one end of the pushing piece 19, the other end of the pushing piece 19 movably passes through the guide hole 21 and abuts against one end of the tongue piece 20, the tongue piece 20 is rotatably arranged on the mounting sleeve 3, and the other end of the tongue piece 20 is provided with a contact end 11. Further, the elastic portion 18 serves to generate an elastic force for driving the other end of the tongue 20 to move upward, by which the contact end 11 will move outward and be disposed close to the mounting groove 7 without an additional external force.

Further, as a preferred embodiment, the rotation axis of the tongue 20 is arranged perpendicular to the axis of the spindle 2.

Further, as a preferred embodiment, the mounting portion 17 is preferably provided in a cylindrical configuration, the outer contour of the mounting portion 17 matching the inner contour of the mounting sleeve 3.

Further, as a preferred embodiment, the pushing assembly 5 further comprises: the first magnetic attraction piece 22 is embedded at the other end of the tongue piece 20, and the first magnetic attraction piece 22 is movably attracted with the batch head 8. Further, the contact end 11 can drive the batch head 8 to move towards the axis direction close to the second channel 9 by the arrangement of the first magnetic attraction piece 22.

Further, as a preferred embodiment, the method further comprises: the second magnetic attraction piece 23 is embedded at the other end of the mandrel 2, and the second magnetic attraction piece 23 is used for being attracted with the batch head 8. Further, the second magnetic attraction piece 23 enables the mandrel 2 to drive the batch head 8 to move along the axial direction.

Further, as a preferred embodiment, the method further comprises: the elastic locating pin 24, the elastic locating pin 24 is set up in the inboard of the mounting sleeve 3, there is at least a locating slot 25 on the dabber 2, the elastic locating pin 24 matches with locating slot 25.

Further, as a preferred embodiment, the number of the elastic positioning pins 24 is preferably two, and the two elastic positioning pins 24 are disposed opposite to each other in the radial direction of the mounting sleeve 3.

Further, as a preferred embodiment, the mounting portion 17 is provided with a through hole through which the elastic positioning pin 24 is provided.

Further, as a preferred embodiment, two positioning grooves 25 are formed on the outer wall of the mandrel 2 in sequence along the axial direction. Further, one of the positioning grooves 25 is provided near the bottom of the spindle 2, and the positioning groove 25 at the bottom is used for locking the axial movement of the internal components of the screwdriver when the screwdriver is in an operating state, wherein the other positioning groove 25 is provided at the middle upper part of the spindle 2, so that the axial stability is realized under the state that the screwdriver replaces the screwdriver bit 8 to pull the mounting head 4 outwards to perform the rotating action, and the mounting sleeve 3 is not pulled out completely.

Further, as a preferred embodiment, both positioning grooves 25 are arranged in a ring shape with respect to the spindle 2.

Further, as a preferred embodiment, an axial section of a positioning groove 25 provided by the bottom is formed with an inclined surface at the upper and lower ends, respectively, so that the elastic positioning pin 24 will easily escape from the positioning groove 25 upward or enter the positioning groove 25 downward along the inclined surface with respect to the spindle 2 by its own deformation.

Further, as a preferred embodiment, a slope for facilitating the entry of the elastic positioning pin 24 is provided at the lower end of the other positioning groove 25 provided near the middle upper portion, and a plane extending in the radial direction of the spindle 2 is formed at the upper end thereof, so that the elastic positioning pin 24 is difficult to escape from the upper end of the other positioning groove 25 by continuing to move upward.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.

The present utility model has the following embodiments based on the above description:

In a further embodiment of the utility model, the outside of the annular portion 14 is provided with a marking portion 26. Further, the first notch 10 of the mounting head 4 and the position of the pushing component 5 are integrally and relatively fixed in space, and the user can directly learn the relative positions of the batch head 8 and the first notch 10 from the outside through the arrangement of the marking part 26, so that the user can conveniently select the required batch head 8.

In a further embodiment of the present utility model, the marking portion 26 is embedded in an arc shape on the outer side of the annular portion 14, and the marking portion 26 is made of a material different in color from the annular portion 14.

In a further embodiment of the present utility model, a triangular mark is provided on the outer wall of the marking portion 26

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A screwdriver with replaceable bits, comprising: handle, dabber, installation cover, installation head and pushing component, be formed with first passageway in the handle, the one end of installation cover movably stretches into set up in the first passageway, the other end of installation cover is formed with a plurality of mounting grooves in proper order along the annular, the mounting groove is used for the holding to batch the head, the one end of dabber pass the installation cover and with handle fixed connection, the installation head set up in the other end of installation cover, be formed with the second passageway in the installation head, the other end of dabber movably stretches into set up in the second passageway, first breach has been seted up on the installation head, first breach with second passageway intercommunication sets up, pushing component set up in the other end of installation cover, be formed with a contact end on the pushing component, contact end movably with batch the head contacts, batch the head movably to pass first breach sets up.

2. The screwdriver with replaceable screwdriver bits according to claim 1, wherein the mounting head is provided with a second notch, the first notch and the second notch are disposed opposite to each other in a radial direction of the mounting head, and the contact end is disposed to movably extend into the second notch.

3. The screwdriver of claim 1, wherein the mounting head comprises: the first extending part, the annular part and the second extending part are sequentially connected, and the second channel penetrates through the first extending part, the annular part and the second extending part.

4. A screwdriver with replaceable bits according to claim 3, wherein the mounting head further comprises: the transparent ring is sleeved outside the second extension part, and the upper edge of the transparent ring is connected with the lower edge of the annular part.

5. The screwdriver of claim 1, wherein the push assembly comprises: the device comprises a mounting part, an elastic part, a pushing piece and a tongue piece, wherein the mounting part is formed on the inner side of a mounting sleeve, a guide hole is formed in the mounting part, the elastic part is arranged at one end of the pushing piece, the other end of the pushing piece movably penetrates through the guide hole and props against one end of the tongue piece, the tongue piece is rotatably arranged on the mounting sleeve, and the other end of the tongue piece is provided with a contact end.

6. The replaceable bit screwdriver of claim 5, wherein the push assembly further comprises: the first magnetic attraction piece is embedded at the other end of the tongue-shaped piece and is movably attracted with the batch head.

7. The screwdriver with replaceable bits according to claim 1, further comprising: the second magnetic attraction piece is embedded at the other end of the mandrel and is used for being attracted with the batch head.

8. The screwdriver with replaceable bits according to claim 1, further comprising: the elastic locating pin is arranged on the inner side of the installation sleeve, at least one locating groove is formed in the mandrel, and the elastic locating pin is matched with the locating groove.

9. The screwdriver with replaceable screwdriver bits according to claim 8, wherein two positioning grooves are formed in sequence along the axial direction on the outer wall of the mandrel.

10. A screwdriver with replaceable bits according to claim 3, wherein the outer side of the ring portion is provided with a marking portion.