CN215240665U - Gear box convenient to operate and use - Google Patents
Gear box convenient to operate and use Download PDFInfo
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- CN215240665U CN215240665U CN202121539429.XU CN202121539429U CN215240665U CN 215240665 U CN215240665 U CN 215240665U CN 202121539429 U CN202121539429 U CN 202121539429U CN 215240665 U CN215240665 U CN 215240665U
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- ratchet wheel
- groove
- case shell
- gearbox
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Abstract
The utility model discloses a gear box convenient to operation and use, including the case shell, and swing joint is at the torsion cup outside the case shell, and set up the output shaft in the case shell inside, be provided with the adjustment structure between case shell and the torsion cup, the central authorities of output shaft are provided with the impact structure, the adjustment structure includes jump stop piece, trimmer and backing sheet, and the surface of case shell is provided with the annular that is used for restricting the trimmer to remove respectively and is used for restricting the vertical trough that jumps the stop piece and rotate, the impact structure includes the upper ratchet wheel of connecting on the output shaft, and swing joint is in the function ring outside the upper ratchet wheel, and is located the case shell inside and the lower ratchet wheel that upper ratchet wheel cooperateed, function ring and lower ratchet wheel are connected with the torsional spring; the gear box can effectively avoid the problem of gear jumping of the impact gear and the electric drill gear, ensures the reasonable gear jumping effect of the screw gear, and effectively improves the use effect and the operation convenience of the gear box.
Description
Technical Field
The utility model relates to an electric tool gear box, concretely relates to gear box convenient to operation and use.
Background
The mode switching of the conventional gearbox is usually adjusted by rotating the torque cup, namely the electric drill gear, the impact gear and the screw gear are adjusted by rotating the torque cup, but the conventional gearbox is very easy to jump when being switched to the electric drill gear or the impact gear, is not beneficial to drilling or impact processing of high-strength materials, greatly influences the processing stability of the electric tool, and reduces the working strength and the using effect of the electric tool; when the gear is switched to the screw gear, the conventional gear box needs to rotate the torsion adjusting ring in a whole circle, so that the operation complexity of a user is increased, the user can not switch the operation immediately, and the use effect of the user is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly solve the technical problem that prior art exists to a jump the shelves problem of effectively avoiding electric drill shelves and impact shelves is provided, effectively improves electric drill shelves and the job stabilization nature who strikes the shelves, ensures user's result of use and the gear box of convenient to operate and use of operation convenience.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a gear box convenient to operation is used, includes the case shell, and swing joint is at the torsion cup in the case shell outside, and sets up the output shaft in the case shell inside, be provided with the adjustment structure between case shell and the torsion cup, the central authorities of output shaft are provided with the impact structure, the adjustment structure is including jumping the washer, and sets up at the upper trim tab of jumping the washer, the inboard of jumping the washer is provided with the post groove, and the outside of trim tab is connected with the fixture block of being connected with the cooperation of torsion cup, and the below of trim tab is connected with and supports the post with post groove matched with, the surface of case shell is provided with respectively and is used for restricting the annular that the trim tab removed and is used for restricting the rotatory grudging post of jumping the washer.
Preferably, the impact structure comprises an upper ratchet wheel connected to the output shaft, a functional ring movably connected to the outer side of the upper ratchet wheel, and a lower ratchet wheel connected to the inside of the box shell and matched with the upper ratchet wheel, a torsion spring is connected between the functional ring and the lower ratchet wheel, a high platform and a low groove are respectively formed in the upper surface of the lower ratchet wheel, the rotating functional ring has a return effect through the arrangement of the torsion spring, the upper ratchet wheel and the lower ratchet wheel are separated to achieve a non-impact gear when the functional ring is clamped at the high platform of the lower ratchet wheel, and the upper ratchet wheel and the lower ratchet wheel are meshed to achieve an impact gear when the functional ring is clamped at the low groove of the lower ratchet wheel.
Preferably, the side of function ring is connected with the kelly, the inboard of trimmer is provided with the draw-in groove that is used for the kelly to imbed, and the top of trimmer is provided with the backing sheet for the kelly joint of function ring is in the draw-in groove of trimmer inboard, so that can the synchronous drive function ring rotate when rotatory trimmer.
Preferably, the surface of the function ring is provided with a spring hole, the outer side of the lower ratchet wheel is provided with a spring groove, and two ends of the torsion spring are respectively positioned in the spring hole and the spring groove, so that the two ends of the torsion spring are respectively connected between the function ring and the lower ratchet wheel, and the function ring is enabled to have an automatic pushing and returning effect through the torsion spring.
Preferably, the annular is located the top of founding the groove, trimmer swing joint is inside the annular, the upright piece is connected to the inboard of jump washer, upright piece sliding connection is in the central authorities of founding the groove, lets the trimmer pass through the annular and inlays in the outside of case shell, and the upright piece of jump washer then imbeds in the founding the groove for jump washer can the joint in the outside of case shell, makes the trimmer can the rotation in a circumferential direction activity, and the jump washer can the axial lift activity.
Preferably, a pressing plate for pressing the trip stop sheet is connected to the lower portion of the supporting sheet, a spring is arranged on the upper portion of the supporting sheet, a threaded sleeve in threaded connection with the torque cup is arranged on the upper portion of the spring, and a user can drive the threaded sleeve to perform lifting adjustment when the torque cup is rotated through threaded connection of the threaded sleeve and the torque cup, so that the user can control the elastic pressure of the spring, and the pressing strength of the supporting sheet on the trip stop sheet can be controlled conveniently.
Preferably, the inner surface of the torque cup is provided with an arc groove, the fixture block is located in the center of the arc groove, so that when the fixture block is located in the center of the arc groove, the rotation of the torque cup automatically drives the threaded sleeve to lift, and when the fixture block is located at the end of the arc groove, the rotation of the torque cup can synchronously drive the adjustment sheet to rotate so as to directly limit the axial automation degree of the trip stop piece, so that a user can select the electric drill stop and the impact stop.
Preferably, an inner gear is arranged inside the box shell, a planet gear used for driving the output shaft to rotate is arranged in the center of the inner gear, a boss is connected to the upper surface of the inner gear, a pin column is arranged between the inner gear and the trip stop piece, the rotation of the output shaft can be driven through the rotation of the planet gear, the pin column is limited through the trip stop piece, the rotation of the inner gear is controlled through the matching of the pin column and the boss, and the trip stop effect of the rotation of the output shaft is further controlled.
Preferably, a cover plate is connected above the box shell, the screw sleeve and the torque cup are limited through the cover plate, so that the torque cup can only rotate outside the box shell, the screw sleeve can only lift on the inner side of the torque cup, pin holes are formed in the surface of the box shell, the pin columns are arranged in the centers of the pin holes in a sliding mode, more than two pin holes are uniformly distributed in the outer surface of the box shell, and the pin columns can conveniently lift and move in the centers of the pin holes to correspondingly limit the internal gear.
The utility model has the advantages that: the outer surface of the case shell of the utility model is respectively provided with a ring groove for limiting the movement of the adjusting sheet and a vertical groove for limiting the rotation of the jumping sheet, the adjusting sheet can rotate outside the case shell, the jumping sheet is positioned below the adjusting sheet under the limitation of the vertical groove to lift and slide, the axial freedom degree of the axial freedom degree limiting and control jumping sheet of the adjusting sheet is controlled by the ring groove, so that a user can directly control whether the jumping sheet has the axial freedom degree or not by the rotation of the adjusting sheet, namely, when the torsion cup is positioned at an electric drilling gear and an impact gear, a support column connected below the adjusting sheet can be directly pressed on the surface of the jumping sheet, the lifting condition which is possibly generated by the jumping sheet is effectively avoided, the possibility that a boss on the surface of an inner gear passes through a pin column is further controlled, the jumping problem which is possibly generated when the conventional gear case is positioned at the electric drilling gear or the impact gear to work is effectively avoided, the operation stability and the use effect of the electric tool with the gear box are greatly guaranteed;
because the kelly of function ring is embedded into the draw-in groove of trimmer, the both ends of torsional spring then respectively with the function ring, lower ratchet is connected, the function ring after making the rotation can reset under the resilience effect of torsional spring, let the function ring move the trimmer derotation through the cooperation of kelly and draw-in groove simultaneously, let the post of trimmer below imbed automatically in the post groove and be used for removing the restriction to the axial degree of freedom of the grade piece of jumping, effectual grade effect of jumping when having ensured this gear box screw shelves, the result of use and the operation convenience of user's screw gear have been improved.
Drawings
FIG. 1 is an exploded view of a gearbox of the present invention for easy operation;
FIG. 2 is a sectional view of the gear box of the present invention;
FIG. 3 is a half sectional view of a gearbox of the present invention for easy handling;
fig. 4 is a structural diagram of a torque cup in a gearbox convenient for operation and use according to the present invention.
In the figure: the torque cup 1, the arc groove 11, the end 111, the impact structure 2, the function ring 21, the spring hole 211, the clamping rod 212, the upper ratchet wheel 22, the torsion spring 23, the lower ratchet wheel 24, the spring groove 241, the high platform 242, the low groove 243, the adjusting structure 3, the support piece 31, the pressing plate 311, the adjusting piece 32, the support post 321, the clamping groove 322, the clamping block 323, the trip plate 33, the post groove 331, the upright block 332, the box shell 4, the upright groove 41, the pin hole 42, the ring groove 43, the output shaft 5, the spring 6, the screw sleeve 61, the internal gear 7, the boss 71, the pin 72 and the planet gear 73.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 4, a gear box convenient to operation and use, including case shell 4, and swing joint torque cup 1 in the case shell 4 outside, and set up the output shaft 5 in case shell 4 inside, be provided with between case shell 4 and the torque cup 1 and adjust structure 3, the central authorities of output shaft 5 are provided with impact structure 2, adjust structure 3 including jump gear piece 33, and set up at jump gear piece 33 top trimmer 32, the inboard of jump gear piece 33 is provided with column slot 331, and the outside of trimmer 32 is connected with the fixture block 323 that is connected with torque cup 1 cooperation, and the below of trimmer 32 is connected with the support column 321 with column slot 331 matched with, the surface of case shell 4 is provided with the annular groove 43 that is used for restricting trimmer 32 to remove respectively and is used for restricting the rotatory upright groove 41 of jump gear piece 33.
The impact structure 2 comprises an upper ratchet wheel 22 connected to the output shaft 5, a functional ring 21 movably connected to the outer side of the upper ratchet wheel 22, and a lower ratchet wheel 24 connected to the inside of the box shell 4 and matched with the upper ratchet wheel 22, a torsion spring 23 is connected between the functional ring 21 and the lower ratchet wheel 24, a high platform 242 and a low groove 243 are respectively arranged on the upper surface of the lower ratchet wheel 24, the rotating functional ring 21 has a return effect through the arrangement of the torsion spring 23, the upper ratchet wheel 22 and the lower ratchet wheel 24 are separated to realize a non-impact gear when the functional ring 21 is clamped at the high platform 242 of the lower ratchet wheel 24, and the upper ratchet wheel 22 and the lower ratchet wheel 24 are meshed to realize an impact gear when the functional ring 21 is clamped at the low groove 243 of the lower ratchet wheel 24.
The surface of the function ring 21 is provided with a spring hole 211, the outer side of the lower ratchet wheel 24 is provided with a spring groove 241, and two ends of the torsion spring 23 are respectively positioned in the spring hole 211 and the spring groove 241, so that two ends of the torsion spring 23 are respectively connected between the function ring 21 and the lower ratchet wheel 24, and the function ring 21 has an automatic pushing and returning effect through the torsion spring 23.
The annular groove 43 is located the top of founding groove 41, trimmer 32 swing joint is inside annular groove 43, upright piece 332 is connected to the inboard of jump ring piece 33, upright piece 332 sliding connection is in the center of founding groove 41, lets trimmer 32 inlay in the outside of case shell 4 through annular groove 43, and the upright piece 332 of jump ring piece 33 then imbeds in founding groove 41 for jump ring piece 33 can the joint in the outside of case shell 4, makes trimmer 32 can the rotation activity in circumference, and jump ring piece 33 can the axial lift activity.
The lower part of the supporting sheet 31 is connected with a pressing plate 311 for pressing the jump stop sheet 33, the upper part of the supporting sheet 31 is provided with a spring 6, the upper part of the spring 6 is provided with a threaded sleeve 61 in threaded connection with the torque cup 1, and the threaded connection between the threaded sleeve 61 and the torque cup 1 enables a user to drive the threaded sleeve 61 to carry out lifting adjustment when the torque cup 1 is rotated, so that the user can control the elastic pressure of the spring 6, and the pressing strength of the supporting sheet 31 on the jump stop sheet 33 can be controlled conveniently.
The inner surface of the torque cup 1 is provided with an arc groove 11, the fixture block 323 is located in the center of the arc groove 11, so that when the fixture block 323 is located in the center of the arc groove 11, the rotation of the torque cup 1 automatically drives the threaded sleeve 61 to lift, and when the fixture block 323 is located at the end 111 of the arc groove 11, the rotation of the torque cup 1 can synchronously drive the adjustment sheet 32 to rotate, so that the axial automation degree of the jump sheet 33 is directly limited, and a user can select an electric drill gear and an impact gear conveniently.
The internal gear 7 is arranged in the box shell 4, a planetary gear 73 used for driving the output shaft 5 to rotate is arranged in the center of the internal gear 7, a boss 71 is connected to the upper surface of the internal gear 7, a pin 72 is arranged between the internal gear 7 and the trip plate 33, the rotation of the output shaft 5 can be driven through the rotation of the planetary gear 73, and the pin 72 is limited through the trip plate 33, so that the rotation of the internal gear 7 is controlled through the matching of the pin 72 and the boss 71, and the trip effect of the rotation of the output shaft 5 is further controlled.
The upper portion of case shell 4 is connected with apron 12, sets up through apron 12 and carries on spacingly with swivel nut 61, torque cup 1 to torque cup 1 can only rotate in the case shell 4 outside, and swivel nut 61 can only go up and down in torque cup 1 inboard, and case shell 4 surface is provided with pinhole 42, round pin post 72 slides and sets up the central authorities at pinhole 42, pinhole 42 is provided with more than two and evenly distributed at case shell 4 surface, so that round pin post 72 goes up and down in pinhole 42 central authorities and removes and be used for carrying out corresponding restriction to internal gear 7.
The outer surface of the torque cup 1 of the gear box convenient to operate and use is provided with gears such as an electric drill gear, an impact gear, a screw gear and the like, so that a user can select the electric drill gear, the impact gear and the screw gear by rotating the torque cup 1, wherein a planet wheel 73 in the center of an inner gear 7 can drive an output shaft 5 to rotate; when the clamping block 323 on the outer side of the adjusting sheet 32 is positioned at the end part 111 of the arc groove 11 on the surface of the torque cup 1, a user rotates the torque cup 1 to synchronously drive the adjusting sheet 32 to rotate, so that the support column 321 below the adjusting sheet 32 is extruded above the trip block sheet 33, and as the adjusting sheet 32 is clamped in the annular groove 43 on the outer side of the case shell 4, the axial freedom degree of the trip block sheet 33 is limited by the adjusting sheet 32, and meanwhile, the trip block sheet 33 limits the pin column 72 positioned in the case shell 4, so that the condition that the boss 71 connected with the upper surface of the inner gear 7 trips through the pin column 72 is avoided, and the gear tripping problem of the gear box is prevented when the electric drill stops and the impact stops; because the clamping rod 212 of the function ring 21 is positioned in the clamping groove 322 of the adjusting sheet 32, the adjusting sheet 32 can synchronously drive the function ring 21 to rotate in the rotating process, when the function ring 21 is positioned at the high stage 242 of the lower ratchet wheel 24, the upper ratchet wheel 22 and the lower ratchet wheel 24 cannot be meshed, and the gearbox is in a non-impact gear position; when the function ring 21 is positioned at the lower groove 243 of the lower ratchet wheel 24, the upper ratchet wheel 22 is meshed with the lower ratchet wheel 24, so that a user can drive the upper ratchet wheel 22 to be meshed with the lower ratchet wheel 24 after pressing the output shaft 5 in work, and the output shaft 5 has an impact effect; when a user rotates the torque cup 1 to be in a screw position, the fixture block 323 on the outer side of the adjustment sheet 32 is located in the center of the arc groove 11, the function ring 21 is driven to return and lift the upper ratchet wheel 22 under the action of the elastic force of the torsion spring 23, and simultaneously, the rotation of the function ring 21 drives the adjustment sheet 32 to rotate, so that the support column 321 below the adjustment sheet 32 is just located in the column groove 331 on the inner side of the shift sheet 33, the shift sheet 33 can perform lifting movement under the limit of the vertical groove 41, and the pin 72 can also lift in the pin hole 42, so that the boss 71 on the upper surface of the internal gear 7 can generate a shift effect through the pin 72, when the user continuously rotates the torque cup 1, the threaded sleeve 61 on the inner side of the torque cup 1 can lift to control the elastic pressure of the spring 6, so as to adjust the pressing strength of the support sheet 31 on the shift sheet 33 through the pressing plate 311, and thereby controlling the lifting travel of the pin 72 in the pin hole 42, the user can conveniently adjust the jumping strength of the gear box when the screw is shifted.
The utility model has the advantages that: the outer surface of the case shell of the utility model is respectively provided with a ring groove for limiting the movement of the adjusting sheet and a vertical groove for limiting the rotation of the jumping sheet, the adjusting sheet can rotate outside the case shell, the jumping sheet is positioned below the adjusting sheet under the limitation of the vertical groove to lift and slide, the axial freedom degree of the axial freedom degree limiting and control jumping sheet of the adjusting sheet is controlled by the ring groove, so that a user can directly control whether the jumping sheet has the axial freedom degree or not by the rotation of the adjusting sheet, namely, when the torsion cup is positioned at an electric drilling gear and an impact gear, a support column connected below the adjusting sheet can be directly pressed on the surface of the jumping sheet, the lifting condition which is possibly generated by the jumping sheet is effectively avoided, the possibility that a boss on the surface of an inner gear passes through a pin column is further controlled, the jumping problem which is possibly generated when the conventional gear case is positioned at the electric drilling gear or the impact gear to work is effectively avoided, the operation stability and the use effect of the electric tool with the gear box are greatly guaranteed;
because the kelly of function ring is embedded into the draw-in groove of trimmer, the both ends of torsional spring then respectively with the function ring, lower ratchet is connected, the function ring after making the rotation can reset under the resilience effect of torsional spring, let the function ring move the trimmer derotation through the cooperation of kelly and draw-in groove simultaneously, let the post of trimmer below imbed automatically in the post groove and be used for removing the restriction to the axial degree of freedom of the grade piece of jumping, effectual grade effect of jumping when having ensured this gear box screw shelves, the result of use and the operation convenience of user's screw gear have been improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (9)
1. A gearbox convenient to operate and use is characterized in that: including the case shell, and swing joint is in the torque cup in the case shell outside, and set up the output shaft in the case shell inside, be provided with the adjustment structure between case shell and the torque cup, the central authorities of output shaft are provided with the impact structure, the adjustment structure is including jumping the washer, and sets up at jumping the upper trim tab of washer, the inboard of jumping the washer is provided with the post groove, and the outside of trim tab is connected with the fixture block of being connected with the torque cup cooperation, and the below of trim tab is connected with and supports the post with post groove matched with, the surface of case shell is provided with respectively and is used for restricting the annular that the trim tab removed and is used for restricting the rotatory stand groove of jump the washer.
2. A gearbox for facilitating handling according to claim 1, characterised in that: the impact structure comprises an upper ratchet wheel connected to the output shaft, a functional ring movably connected to the outer side of the upper ratchet wheel, and a lower ratchet wheel connected to the inside of the box shell and matched with the upper ratchet wheel, wherein a torsion spring is connected between the functional ring and the lower ratchet wheel.
3. A gearbox for facilitating handling according to claim 2, characterised in that: the side of function ring is connected with the kelly, the inboard of trimmer is provided with the draw-in groove that is used for the kelly embedding, and the top of trimmer is provided with the backing sheet.
4. A gearbox for facilitating handling according to claim 3, characterised in that: the surface of the function ring is provided with a spring hole, the outer side of the lower ratchet wheel is provided with a spring groove, and two ends of the torsion spring are respectively positioned in the spring hole and the spring groove.
5. A gearbox for facilitating handling according to claim 3, characterised in that: the annular is located the top of founding the groove, trimmer swing joint is inside the annular, the inboard of jump washer is connected and is found the piece, found piece sliding connection in the central authorities that found the groove.
6. A gearbox for facilitating handling according to claim 3, characterised in that: the lower part of the supporting sheet is connected with a pressing plate for pressing the trip sheet, the upper part of the supporting sheet is provided with a spring, and the upper part of the spring is provided with a threaded sleeve in threaded connection with the torsion cup.
7. A gearbox for facilitating handling according to claim 6, characterised in that: the inner surface of the torque cup is provided with an arc groove, and the clamping block is positioned in the center of the arc groove.
8. A gearbox according to any one of claims 1 to 7, characterised in that: an inner gear is arranged inside the box shell, a planet gear used for driving the output shaft to rotate is arranged in the center of the inner gear, a boss is connected to the upper surface of the inner gear, and a pin column is arranged between the inner gear and the trip stop piece.
9. A gearbox for facilitating handling according to claim 8, characterised in that: the inner side of the box shell is connected with a cover plate, the surface of the box shell is provided with a pin hole, and the pin column is arranged in the center of the pin hole in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121539429.XU CN215240665U (en) | 2021-07-07 | 2021-07-07 | Gear box convenient to operate and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121539429.XU CN215240665U (en) | 2021-07-07 | 2021-07-07 | Gear box convenient to operate and use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215240665U true CN215240665U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121539429.XU Active CN215240665U (en) | 2021-07-07 | 2021-07-07 | Gear box convenient to operate and use |
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| Country | Link |
|---|---|
| CN (1) | CN215240665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400262A (en) * | 2021-07-07 | 2021-09-17 | 浙江鑫和粉末冶金制品有限公司 | Gear box convenient to operate and use |
-
2021
- 2021-07-07 CN CN202121539429.XU patent/CN215240665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400262A (en) * | 2021-07-07 | 2021-09-17 | 浙江鑫和粉末冶金制品有限公司 | Gear box convenient to operate and use |
| CN113400262B (en) * | 2021-07-07 | 2024-10-11 | 浙江鑫和粉末冶金制品有限公司 | Gear box convenient to operate and use |
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