CN217072202U - Force arm device and corresponding screwdriver - Google Patents
Force arm device and corresponding screwdriver Download PDFInfo
- Publication number
- CN217072202U CN217072202U CN202220504415.2U CN202220504415U CN217072202U CN 217072202 U CN217072202 U CN 217072202U CN 202220504415 U CN202220504415 U CN 202220504415U CN 217072202 U CN217072202 U CN 217072202U
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- electric screwdriver
- ring
- screwdriver
- arm device
- fixing
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Abstract
The utility model provides a power arm device and corresponding electricity are criticized, this power arm device is used for connecting corresponding electricity and criticizes, and the power arm device includes solid fixed ring, linking bridge, mounting. One end of the connecting support is movably connected with the fixing ring, and the connecting support can be used for adjusting the angle of a first included angle formed by the fixing ring and the connecting support. For the fixed ring, the fixed part is movably connected to the other end of the connecting support and can be used for adjusting the angle of a second included angle formed by the fixed part and the connecting support. The fixing piece is U-shaped and further comprises an opening. The opening direction of the opening is upward, and the fixing piece is used for placing and fixing the arm. Wherein, the moment arm device is applied to an electric screwdriver.
Description
Technical Field
The utility model relates to an electric tool field, in particular to arm of force device and corresponding electricity are criticized.
Background
In modern society, electric screwdriver bits are widely used, which can be used to loosen or tighten screws. However, after a user uses the existing electric screwdriver for a long time, the vibration generated by the electric screwdriver easily causes fatigue to the wrist of the user.
Therefore, it is desirable to provide a moment arm device and a corresponding electric screwdriver to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power arm device and corresponding electricity are criticized, have effectively solved the vibrations that the electricity was criticized the production and have caused tired technical problem to user's wrist easily.
The utility model provides a moment arm device connects the electricity of correspondence and criticizes, and it includes:
a fixing ring;
one end of the connecting bracket is movably connected with the fixing ring and is used for adjusting the angle of a first included angle formed by the fixing ring and the connecting bracket;
the fixing piece is movably connected to the other end of the connecting bracket relative to the fixing ring and used for adjusting the angle of a second included angle formed by the fixing piece and the connecting bracket, the fixing piece is U-shaped and comprises an opening, the opening direction of the opening is upward, the fixing piece is used for placing and fixing an arm, is used for fixing the arm of the user through the fixing piece, can relieve the fatigue of the wrist of the user caused by the vibration of the electric screwdriver, therefore, the user can operate the electric batch more comfortably for a long time, and the user can operate the electric batch more stably, thereby the effect of this screwing is better, moreover, the angle of the first contained angle that solid fixed ring and linking bridge swing joint adjustable fixed ring and linking bridge formed, the angle of the second contained angle that linking bridge and solid fixed ring swing joint adjustable mounting and linking bridge formed to the user uses this electricity to criticize also comparatively convenient in the scene of difference.
Further, gu fixed ring includes first connecting piece, first connecting piece connect in gu fixed ring's both ends, be provided with on the first connecting piece and link up the groove, the cross section that links up the groove is the inferior arc type, linking bridge's one end is provided with first through-hole, linking bridge still includes first locating part, first locating part connect in the first through-hole, first locating part is worn to locate link up the groove, linking bridge passes through first locating part with link up groove swing joint for through the angle of first locating part sliding adjustment arm of force device and the first contained angle of electric screwdriver body formation in the spread groove, thereby user's hand can be convenient for press the button.
Further, the mounting includes the connecting block, the connecting block connect in the lower extreme of mounting, be provided with the second through-hole on the connecting block, linking bridge for the other end of first through-hole is provided with the third through-hole, linking bridge still includes second locating part, the second locating part connect in the third through-hole, the second locating part wears to locate the second through-hole, linking bridge passes through the second locating part with mounting swing joint for highly adjust the mounting based on the button, thereby the user uses this electricity batch more comfortable.
Further, the second locating part is sleeved with a damping gasket, the damping gasket is connected with the connecting block and used for increasing frictional resistance when the fixing part rotates, and therefore a user can adjust the angle of the second included angle conveniently.
Furthermore, the fixed ring comprises a first fixed half ring and a second fixed half ring, the cross section of the first fixed half ring and the cross section of the second fixed half ring are both semicircular, and the first fixed half ring and the second fixed half ring are detachably connected and used for facilitating the disassembly and replacement of the first fixed half ring or the second fixed half ring by a user when the first fixed half ring or the second fixed half ring is damaged.
Furthermore, the first connecting piece and the second fixed semi-ring are detachably connected, and when the first connecting piece is damaged, a user can conveniently detach and replace the first connecting piece.
An electric screwdriver, comprising:
the electric screwdriver comprises an electric screwdriver body, wherein the upper end of the outer side of the electric screwdriver body is connected with a button which is used for opening or closing the electric screwdriver;
the force arm device is sleeved outside the electric screwdriver body through the fixing ring and is connected with the electric screwdriver body;
the electric screwdriver driving device is connected inside the electric screwdriver body and used for driving the electric screwdriver;
one end of the coupler is connected with the electric screwdriver driving device;
the main shaft is connected to the other end of the coupling relative to the electric screwdriver driving device;
and the screwdriver head is connected with the main shaft and used for fastening or loosening the screw.
Further, the screwdriver further comprises a copper sleeve and an electric brush, the copper sleeve is sleeved on the main shaft, the electric brush is connected to the outer side of the copper sleeve, and the electric brush is used for releasing static electricity.
Further, the electric screwdriver further comprises a screwdriver head clamping ring, the screwdriver head clamping ring is sleeved on the main shaft, and the screwdriver head clamping ring is located at the connecting position of the main shaft and the screwdriver head and used for clamping the screwdriver head.
Furthermore, the one end of main shaft is connected with the recess, the one end of shaft coupling is connected with the arch, the arch with the recess can be dismantled and be connected for the main shaft is connected with the shaft coupling firmly, and it is comparatively convenient that the user installs or dismantles main shaft and shaft coupling.
The utility model discloses compare in prior art, its beneficial effect is: the utility model provides a force arm device, this force arm device is connected with the electricity that corresponds is criticized. The user can fix the arm through the fixing piece of the moment arm device, and when the user operates the electric screwdriver, the moment arm device can relieve fatigue of the wrist of the user caused by vibration of the electric screwdriver. The technical problem that the wrist of a user is easily fatigued by vibration generated by the electric screwdriver is effectively solved. Therefore, the user can operate the electric batch comfortably for a long time. The fixing piece is used for fixing the arm, and the user can operate the screwdriver more stably, so that the screwdriver has a better screwing effect. Moreover, the angle of a first included angle formed by the fixing ring and the connecting support can be adjusted by movably connecting the fixing ring and the connecting support, and the angle of a second included angle formed by the fixing piece and the connecting support can be adjusted by movably connecting the connecting support and the fixing ring. The user can be according to the in service behavior of self with first contained angle and second contained angle adjustment for suitable angle to user's hand can be fit for pressing the button of screwdriver, and the user is convenient for use this screwdriver. Moreover, the user can operate the electric batch in different scenes conveniently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.
Fig. 1 is a structural diagram of an embodiment of the moment arm device of the present invention.
Fig. 2 is a front view of an embodiment of the moment arm device of the present invention.
Fig. 3 is a front view of a fixing member according to an embodiment of the force arm device of the present invention.
Fig. 4 is a front view of the fixing member according to an embodiment of the force arm device of the present invention.
Fig. 5 is a structural diagram of an embodiment of the electric screwdriver of the present invention.
Fig. 6 is a top view of an embodiment of the screwdriver of the present invention.
Fig. 7 is a cross-sectional view a-a' of an embodiment of the present invention.
Fig. 8 is an enlarged view at B of fig. 7.
Fig. 9 is a structural diagram of a coupling according to an embodiment of the present invention.
Fig. 10 is a structural view of a main shaft according to an embodiment of the present invention.
Fig. 11 is an internal structure diagram of an embodiment of the electric screwdriver of the present invention.
In the figure, 10, the electric screwdriver body; 11. a moment arm device; 111. a fixing ring; 1111. a first stationary half ring; 1112. a second stationary half ring; 1113. a first connecting member; 11131. a through groove; 112. connecting a bracket; 1121. a first through hole; 1122. a third through hole; 113. a fixing member; 1131. an opening; 1132. connecting blocks; 1133. a second through hole; 114. a second limiting member; 115. a damping shim; 12. an electric screwdriver driving device; 121. a connecting seat; 13. a coupling; 131. a protrusion; 14. a main shaft; 141. a copper sleeve; 142. an electric brush; 143. a spindle housing; 144. a bit clamping ring; 145. a groove; 146. a spring; 15. a batch head; 16. a button; 17. a control switch; 18. a second connecting member; 19. and a third connecting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, the directional terms, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", refer to the orientation of the drawings, and the directional terms are used for illustration and understanding, but not for limiting the present invention.
The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor should they be construed as limiting in any way.
Referring to fig. 1 to 11, fig. 1 is a structural diagram of an embodiment of a moment arm device of the present invention; fig. 2 is a front view of an embodiment of the moment arm device of the present invention; fig. 3 is a front view of the fixing member of an embodiment of the moment arm device of the present invention; fig. 4 is a structural diagram of a connecting bracket according to an embodiment of the moment arm device of the present invention; FIG. 5 is a block diagram of an embodiment of the screwdriver of the present invention; FIG. 6 is a top view of an embodiment of the screwdriver of the present invention; FIG. 7 is a cross-sectional view A-A' of an embodiment of the present invention;
fig. 8 is an enlarged view at B of fig. 7; fig. 9 is a structural diagram of a coupling according to an embodiment of the present invention; FIG. 10 is a schematic view of a spindle according to an embodiment of the present invention; fig. 11 is an internal structure diagram of an embodiment of the electric screwdriver of the present invention.
In the drawings, elements having similar structures are denoted by the same reference numerals.
Referring to fig. 1 and 2, the present invention provides a force arm device 11. The moment arm device 11 is used for connecting a corresponding electric screwdriver, and the moment arm device 11 comprises a fixing ring 111, a connecting bracket 112 and a fixing piece 113. One end of the connection bracket 112 is movably connected to the fixing ring 111, so that a user can adjust an angle of a first included angle formed by the fixing ring 111 and the connection bracket 112. The fixing member 113 is movably coupled to the other end of the connection bracket 112 with respect to the fixing ring 111, so that a user can adjust an angle of a second included angle formed by the fixing member 113 and the connection bracket 112. The fixing member 113 is U-shaped, and the fixing member 113 includes an opening 1131. The opening 1131 of the opening 1131 is directed upward, and the fixing member 113 is used to place and fix the arm.
Referring to fig. 1 and 2, the fixing ring 111 includes a first connecting member 1113. The first connecting part 1113 is connected to both ends of the fixing ring 111, and the first connecting part 1113 is provided with a through groove 11131. The cross section of the through groove 11131 is an inferior arc, one end of the connecting bracket 112 is provided with a first through hole 1121, the connecting bracket 112 further comprises a first limiting member, the first limiting member is connected in the first through hole, the first limiting member penetrates through the through groove 11131, and the connecting bracket 112 is movably connected with the through groove 11131 through the first limiting member. The arm device 11 can adjust an angle of a first included angle formed by the fixing ring 111 and the connecting bracket 112 by the first limiting member sliding in the through groove 11131. Therefore, the user can adjust the proper angle according to the use condition of the user, and the user can use the electric screwdriver conveniently. Moreover, the user can adjust the angle of the first included angle appropriately according to the position of the button 16, so that the user's hand can also press the button 16 more conveniently.
Referring to fig. 3 and 4 in conjunction with fig. 1 and 2, the fixing member 113 includes a connection block 1132. The connecting block 1132 is connected to the lower end of the fixing member 113, and a second through hole 1133 is formed in the connecting block 1132. The connecting bracket 112 further includes a second limiting member 114, the second limiting member 114 is connected to the third through hole 1122, the second limiting member 114 is disposed through the second through hole 1133, and the connecting bracket 112 is movably connected to the fixing member 113 through the second limiting member 114. The user can adjust the angle of the second included angle formed by the fixing member 113 and the connecting bracket 112 through the second limiting member 114, and the user can adjust the angle of the second included angle based on the use condition of the user or different scenes, so that the user is more comfortable to use the electric batch. Furthermore, based on the height of the button 16, the arm device 11 can adjust the fixing member 113, so that the user can operate the button 16 conveniently. The second limiting member 114 is further sleeved with a damping gasket 115, and the damping gasket 115 is connected to the connection block 1132. The damping washer 115 may increase a frictional resistance between the fixing member 113 and the second limiting member 114 when the fixing member 113 rotates. The user can control the rotation speed of the fixing member 113, so that the user can conveniently adjust the angle of the second included angle.
Referring to fig. 1 and 2, the stationary ring 111 includes a first stationary half 1111 and a second stationary half 1112. The cross sections of the first stationary half ring 1111 and the second stationary half ring 1112 are both semicircular, and the first stationary half ring 1111 and the second stationary half ring 1112 are detachably connected. When the first stationary half ring 1111 is damaged, a user can easily detach the first stationary half ring 1111, so that the user can easily replace the first stationary half ring 1111. When the second stationary half ring 1112 is damaged, the user may easily detach the second stationary half ring 1112, so that the user may easily replace the second stationary half ring 1112. The first connecting part 1113 is detachably connected with the second stationary half ring 1112, and when the first connecting part 1113 is damaged, a user can detach the first connecting part 1113, so that the user can conveniently replace the first connecting part 1113.
Referring to fig. 5, 6 and 7, the present invention further includes an electric screwdriver, which includes an electric screwdriver body 10, an electric screwdriver driving device 12, a shaft coupling 13 and a main shaft 14. The upper end of the outer side of the electric screwdriver body 10 is connected with a button 16, the button 16 is electrically connected with the electric screwdriver driving device 12, and the button 16 is used for turning on or off the electric screwdriver. The force arm device 11 is sleeved outside the electric screwdriver body 10 through the fixing ring 111, and the force arm device 11 is connected with the electric screwdriver body 10. The electric screwdriver driving device 12 is connected to the inside of the electric screwdriver body 10, and the electric screwdriver driving device 12 is used for driving the electric screwdriver. One end of the coupling 13 is connected to the electric screwdriver driving device 12, and the main shaft 14 is connected to the other end of the coupling 13 with respect to the electric screwdriver driving device 12. The bit 15 is connected to the spindle 14, and the bit 15 can be used to tighten or loosen screws. Wherein, the surface of the electric screwdriver body 10 is further provided with an anti-skid layer, and the anti-skid layer is used for carrying out anti-skid operation on the electric screwdriver. The anti-slip layer can increase the friction force of the outer surface of the electric screwdriver body 10, so that the hand of the user does not slip when the user uses the electric screwdriver.
Referring to fig. 9 and 10, a groove 145 is connected to one end of the main shaft 14, and a protrusion 131 is connected to one end of the coupling 13. The protrusion 131 is detachably coupled with the groove 145, so that the main shaft 14 is stably coupled with the coupling 13. The user can mount or dismount the main shaft 14 and the coupling 13 through the protrusion 131 and the groove 145. Therefore, the user can conveniently install or remove the main shaft 14 and the coupling 13.
Referring to fig. 6, 7 and 11, the electric screwdriver further includes a copper sleeve 141 and a brush 142, the copper sleeve 141 is sleeved on the spindle 14, the brush 142 is connected to an outer side of the copper sleeve 141, and the brush 142 is used for discharging static electricity. A spindle housing 143 is further sleeved outside the copper bush 141, the brush 142 is connected with the spindle housing 143, and the spindle housing 143 is grounded. The electric screwdriver further comprises a connecting seat 121, the connecting seat 121 is sleeved on the electric screwdriver driving device 12, and the main shaft shell 143 is connected with the connecting seat 121 through screws. The outer side of the electric screwdriver body 10 is also connected with a control switch 17, the control switch 17 is electrically connected with a motor driving device, and the control switch 17 can be used for controlling the screwdriver head 15 to rotate clockwise or anticlockwise.
Referring to fig. 6, 7 and 8, the electric screwdriver further includes a screwdriver head 15 clamping ring 144, and the screwdriver head 15 clamping ring 144 is sleeved on the spindle 14. The batch head 15 clamping ring 144 is positioned at the connecting position of the main shaft 14 and the batch head 15, and the batch head 15 clamping ring 144 can be used for clamping the batch head 15. The electric screwdriver further comprises a spring 146, the spring 146 is sleeved on the spindle 14, and the spring 146 is located at one end of the clamping ring 144 of the screwdriver head 15. The screwdriver further comprises a second connecting piece 18 and a third connecting piece 19, the second connecting piece 18 is sleeved outside the spring 146, and the second connecting piece 18 is connected with the main shaft shell 143. The third connecting member 19 is disposed outside the clamping ring 144 of the batch head 15, and the third connecting member 19 is connected to the second connecting member 18.
The utility model discloses a theory of operation does: when the user uses the screwdriver, the user sleeves the force arm device 11 on the screwdriver body 10 through the fixing ring 111. When the user rotates the connecting bracket 112, the connecting bracket 112 is connected to the through groove 11131 of the fixing ring 111 through the first limiting member inserted into the first through hole 1121, so that the user adjusts an angle of a first included angle formed between the fixing ring 111 and the connecting bracket 112. The user rotates the fixing member 113, and since the connecting bracket 113 is connected to the second limiting member 114 penetrating through the third through hole 1122 through the connecting block 1132, the user adjusts an angle of a second included angle formed between the fixing member 113 and the connecting bracket 112. In order to facilitate the adjustment of the angle of the second included angle, a damping washer 115 is further sleeved on the second limiting member 114. Then, the user places the hand on the fixing member 113, and the user sets whether the batch head 15 of the electric batch is rotated clockwise or counterclockwise through the control switch 17. The user turns on the electric screwdriver through the button 16, and the electric screwdriver driving device 12 inside the electric screwdriver body 10 drives the main shaft 14 through the coupling 13. The spindle 14 rotates the bit 15 so that the bit 15 can tighten or loosen the screw. In order to clamp the batch head 15, the clamping ring 144 of the batch head 15 is sleeved on the main shaft 14, and the clamping ring 144 of the batch head 15 is positioned at the connecting position of the main shaft 14 and the batch head 15. The electric screwdriver can also discharge static electricity from the copper bush 141 and the brush 142 when the user uses the electric screwdriver.
The utility model provides a force arm device 11, this force arm device 11 is connected with the electricity batch that corresponds. The user can fix the arm by the fixing part 113 of the moment arm device 11, and when the user operates the electric screwdriver, the moment arm device 11 can relieve the fatigue of the wrist of the user caused by the vibration of the electric screwdriver. The technical problem that the wrist of a user is easily fatigued by vibration generated by the electric screwdriver is effectively solved. Therefore, the user can operate the electric batch comfortably for a long time. And the user can operate the electric screwdriver more stably by fixing the arm through the fixing piece 113, so that the screw driving effect of the electric screwdriver is better. Moreover, since the fixing ring 111 and the connecting bracket 112 are movably connected to adjust the angle of the first included angle formed by the fixing ring 111 and the connecting bracket 112, the fixing member 113 and the connecting bracket 112 are movably connected to adjust the angle of the second included angle formed by the fixing member 113 and the connecting bracket 112. The user can be self service behavior with first contained angle and second contained angle adjustment for suitable angle to user's hand can be fit for pressing the button of screwdriver, the user is convenient for use this screwdriver. Moreover, the user can operate the electric batch in different scenes conveniently.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a moment arm device, connects corresponding electricity and criticizes which characterized in that, it includes:
a fixing ring;
one end of the connecting bracket is movably connected with the fixing ring and is used for adjusting the angle of a first included angle formed by the fixing ring and the connecting bracket;
the mounting for gu fixed ring, swing joint in linking bridge's the other end is used for adjusting the mounting with the angle of the second contained angle that linking bridge formed, the mounting is the U type, the mounting includes an opening, open-ended opening direction makes progress, the mounting is used for placing and fixed arm.
2. The moment arm device of claim 1, wherein the fixing ring comprises first connecting members connected to both ends of the fixing ring, the first connecting members are provided with through grooves, cross sections of the through grooves are of an inferior arc shape, one end of the connecting bracket is provided with a first through hole, the connecting bracket further comprises a first limiting member connected to the first through hole, the first limiting member is inserted into the through grooves, and the connecting bracket is movably connected to the through grooves through the first limiting member.
3. The force arm device of claim 2, wherein the fixing member includes a connecting block, the connecting block is connected to a lower end of the fixing member, a second through hole is formed in the connecting block, a third through hole is formed in the other end, opposite to the first through hole, of the connecting bracket, the connecting bracket further includes a second limiting member, the second limiting member is connected to the third through hole, the second limiting member is inserted into the second through hole, and the connecting bracket is movably connected to the fixing member through the second limiting member.
4. The moment arm device of claim 3, wherein a damping washer is sleeved on the second retaining member, and the damping washer is connected with the connecting block.
5. The moment arm device of claim 2, wherein the retaining ring comprises a first retaining half ring and a second retaining half ring, the first retaining half ring and the second retaining half ring each having a semi-circular cross-section, the first retaining half ring being removably coupled to the second retaining half ring.
6. The moment arm device of claim 5, wherein the first connector is removably coupled to the second stationary half-ring.
7. An electric screwdriver, characterized in that it comprises:
the electric screwdriver comprises an electric screwdriver body, wherein the upper end of the outer side of the electric screwdriver body is connected with a button which is used for opening or closing the electric screwdriver;
the moment arm device of any one of claims 1-6, which is sleeved outside the electric screwdriver body through the fixing ring and connected with the electric screwdriver body;
the electric screwdriver driving device is connected inside the electric screwdriver body and used for driving the electric screwdriver;
one end of the coupling is connected with the electric screwdriver driving device;
the main shaft is connected to the other end of the coupling relative to the electric screwdriver driving device;
and the screwdriver head is connected with the main shaft and used for fastening or loosening the screw.
8. The electric screwdriver as recited in claim 7, further comprising a copper sleeve and an electric brush, wherein the copper sleeve is sleeved on the main shaft, the electric brush is connected to the outer side of the copper sleeve, and the electric brush is used for discharging static electricity.
9. The electric screwdriver as recited in claim 7, further comprising a screwdriver head clamping ring, wherein the screwdriver head clamping ring is sleeved on the main shaft, and the screwdriver head clamping ring is located at the connecting position of the main shaft and the screwdriver head.
10. The electric screwdriver as recited in claim 7, wherein a groove is connected to one end of the main shaft, a protrusion is connected to one end of the coupler, and the protrusion is detachably connected to the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220504415.2U CN217072202U (en) | 2022-03-09 | 2022-03-09 | Force arm device and corresponding screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220504415.2U CN217072202U (en) | 2022-03-09 | 2022-03-09 | Force arm device and corresponding screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217072202U true CN217072202U (en) | 2022-07-29 |
Family
ID=82547448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220504415.2U Active CN217072202U (en) | 2022-03-09 | 2022-03-09 | Force arm device and corresponding screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217072202U (en) |
-
2022
- 2022-03-09 CN CN202220504415.2U patent/CN217072202U/en active Active
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