CN217858924U - Direct current strikes and bores tooth case output torque adjustment mechanism - Google Patents
Direct current strikes and bores tooth case output torque adjustment mechanism Download PDFInfo
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- CN217858924U CN217858924U CN202220773373.2U CN202220773373U CN217858924U CN 217858924 U CN217858924 U CN 217858924U CN 202220773373 U CN202220773373 U CN 202220773373U CN 217858924 U CN217858924 U CN 217858924U
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- adjusting nut
- gasket
- fender
- adjusting ring
- boss
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Abstract
The utility model discloses a direct current strikes and bores tooth case output torque adjustment mechanism, include: the gearbox front shell is provided with a threaded part, one side of the gearbox front shell is provided with a motor, and the outer side of the gearbox front shell is provided with a torsion adjusting ring; the torsion adjusting ring is arranged on the outer side of the shell, a torsion adjusting ring is arranged on the inner side of the torsion adjusting ring, a limiting groove is formed in the torsion adjusting ring, the torsion adjusting ring slides in the limiting groove, a trip stop gasket is arranged on one side of the torsion adjusting ring, and a spring is arranged between the torsion adjusting ring and the trip stop gasket; the locating part, the utility model discloses a locating part keeps relative spacing state with the jump fender gasket after adjusting nut rotates for the tooth case keeps the fender position after adjusting when big torque output, keeps off the position through the locating part with adjusting nut and jump fender gasket spacing after adjusting nut keeps off the position regulation, when the electric drill gear shifting, adjusting nut presses on jumping the fender gasket, turns round forward again when strikeing the fender in little boss one of adjusting nut slips into the recess one of jumping the fender gasket, also can not jump the fender when making to strike the fender.
Description
Technical Field
The utility model relates to a bore tooth case technical field, specifically be a direct current strikes and bores tooth case output torque adjustment mechanism.
Background
The electric hand drill is a product with the largest sales volume in the electric tool industry, is widely applied to the industries of buildings, decorations, universal furniture and the like, is used for drilling holes or penetrating objects on objects, is also called as an electric hammer in some industries, is a speed reduction transmission device in fact, and mainly adopts straight teeth as teeth.
The electric hand drill needs to switch gears in the using process, and the conventional gears have the following modes in the switching process;
firstly, the impact gearbox of single torque cup does not do any additional mechanism, and when turning round to the electric drill fender, adjusting nut can not compress tightly the fender gasket completely, leads to keeping off output big moment of torsion at the electric drill and can keep off.
Secondly, the number of the small bosses or the small bosses are added on the jump block gasket, so that the adjusting nut can press the jump block gasket when the electric drill blocks, but the adjusting nut can reversely move back to slide down from the bosses to generate the jump block when the contact area of the bosses is smaller and the torque is large, and therefore, the direct current impact drill gearbox output torque adjusting mechanism is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a direct current strikes bores tooth case output torque adjustment mechanism to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a DC impact gear box output torque adjusting mechanism comprises:
the gearbox front shell is provided with a threaded part, one side of the gearbox front shell is provided with a motor, and the outer side of the gearbox front shell is provided with a torsion adjusting ring;
a limiting groove is arranged in the torque force adjusting ring, the adjusting nut slides in the limiting groove, a trip block gasket is arranged on one side of the adjusting nut, and a spring is arranged between the adjusting nut and the trip block gasket;
the limiting part is positioned between the adjusting nut and the trip block gasket, and the limiting part keeps a relative limiting state with the trip block gasket after the adjusting nut rotates, so that the gearbox keeps an adjusted gear when high torque is output.
Preferably, the limiting part comprises a plurality of bosses I installed on the adjusting nut, and a plurality of grooves I used for inserting the bosses I are formed in the trip block gasket.
Preferably, the limiting part comprises a second plurality of bosses installed on the trip block gasket, and the adjusting nut is provided with a second plurality of grooves for inserting the second bosses.
Preferably, the cross sections of the first boss and the second boss are both semicircular, and the first groove and the second groove are both semicircular and matched with the first boss and the second boss.
Preferably, fillets are arranged on two sides of the first boss and two sides of the second boss, and fillets are arranged on two sides of the first groove and two sides of the second groove.
The utility model discloses possess following beneficial effect at least:
the adjusting nut and the skip stop gasket are limited after the gear adjustment of the adjusting nut is finished through the limiting part, when the electric drill is shifted, the adjusting nut is pressed on the skip stop gasket, a small boss of the adjusting nut slides into a first groove of the skip stop gasket when the electric drill is shifted forward, the electric drill is enabled not to skip stop when the electric drill is shifted, and the electric drill is safer and more convenient to use.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a partial sectional view of the torque adjusting ring of the present invention;
FIG. 3 is an exploded view of the present invention;
fig. 4 is a schematic structural view of another embodiment of the present invention;
fig. 5 is an enlarged view of the area a in fig. 4.
In the figure: 1-a torsion adjusting ring; 2-a front shell of the tooth box; 3, a motor; 4-a limiting groove; 5-a threaded portion; 6-adjusting the nut; 7-a spring; 8-a trip pad; 9-a limiting member; 91-boss one; 92-groove one; 93-boss two; 94-groove two.
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 a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a DC impact gear box output torque adjusting mechanism comprises:
the gearbox front shell 2 is provided with a thread part 5, one side of the gearbox front shell 2 is provided with a motor 3, the motor 3 is fixedly connected with the gearbox front shell 2, the outer side of the gearbox front shell 2 is provided with a torsion adjusting ring 1, and the torsion adjusting ring 1 is rotatably connected with the gearbox front shell 2; the torsion adjusting ring comprises an adjusting nut 6, a limiting groove 4 is formed in the torsion adjusting ring 1, the adjusting nut 6 slides in the limiting groove 4, a jump block gasket 8 is arranged on one side of the adjusting nut 6, and a spring 7 is arranged between the adjusting nut 6 and the jump block gasket 8;
the limiting part 9, the limiting part 9 is located between adjusting nut 6 and the gasket 8 that keeps the throne, through limiting part 9 keeps relative spacing state with the gasket 8 that keeps the throne after adjusting nut 6 rotates for the tooth case keeps the fender position after adjusting when big torque output, can prevent to take place to break away from relatively between adjusting nut 6 regulation back and the gasket 8 that keeps the throne through limiting part 9, and then makes things convenient for the fixed of the fender position after the throne.
The locating part 9 is including installing a plurality of bosses 91 on adjusting nut 6, boss 91 and adjusting nut 6 integrated into one piece, it has been seted up a plurality of bosses 92 that are used for boss 91 male on the gasket 8 to jump, and after adjusting nut 6 shifted gear, boss 91 on adjusting nut 6 inserts in recess 92 under the effect of spring 7, and then spacing adjusting nut 6, and the convenience is shifted gear the back and is kept off the position fixed, reduces the possibility of shifting gear.
According to the above embodiment, please refer to fig. 4 and 5, the present invention further provides another embodiment, the limiting member 9 includes a plurality of second bosses 93 mounted on the jump stop gasket 8, the second bosses 93 and the jump stop gasket 8 are integrally formed, a plurality of second grooves 94 for inserting the second bosses 93 are provided on the adjusting nut 6, after the adjusting nut 6 finishes adjusting the stop, the second grooves 94 are inserted into the first bosses 91 under the action of the spring 7, so as to reduce the possibility of gear shifting.
The cross sections of the first boss 91 and the second boss 93 are semicircular, the first groove 92 and the second groove 94 are semicircular and matched with the first boss 91 and the second boss 93, the first boss 91 or the second boss 93 can be conveniently inserted into the first groove 92 and the second groove 94 through the semicircular structure, and then the limiting part 9 can be conveniently used.
The round corners are arranged on the two sides of the first boss 91 and the second boss 93, the round corners are arranged on the two sides of the first groove 92 and the second groove 94, the round corners can be more conveniently inserted into the first groove 91 or the second groove 93, and then the use of the limiting part 9 is more convenient.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A DC impact gear box output torque adjusting mechanism comprises:
the gearbox front shell (2) is provided with a threaded part (5), one side of the gearbox front shell (2) is provided with a motor (3), and the outer side of the gearbox front shell (2) is provided with a torsion adjusting ring (1); the method is characterized in that:
the torsion adjusting ring comprises an adjusting nut (6), a limiting groove (4) is formed in the torsion adjusting ring (1), the adjusting nut (6) slides in the limiting groove (4), a jump stop gasket (8) is arranged on one side of the adjusting nut (6), and a spring (7) is arranged between the adjusting nut (6) and the jump stop gasket (8);
the limiting part (9), the limiting part (9) is located between adjusting nut (6) and the jump block gasket (8), and the limiting part (9) keeps a relative limiting state with the jump block gasket (8) after the adjusting nut (6) rotates, so that the gearbox keeps an adjusted gear when a large torque is output.
2. The direct current percussion drill gearbox output torque adjustment mechanism of claim 1, characterized in that: the limiting part (9) comprises a plurality of first bosses (91) arranged on the adjusting nut (6), and a plurality of first grooves (92) for inserting the first bosses (91) are formed in the trip block gasket (8).
3. The direct current percussion drill gear box output torque adjusting mechanism according to claim 2, characterized in that: the limiting part (9) comprises a plurality of second bosses (93) arranged on the jump stop gasket (8), and a plurality of second grooves (94) for inserting the second bosses (93) are formed in the adjusting nut (6).
4. The direct current percussion drill gear box output torque adjusting mechanism according to claim 3, characterized in that: the cross sections of the first boss (91) and the second boss (93) are semicircular, and the first groove (92) and the second groove (94) are semicircular and matched with the first boss (91) and the second boss (93).
5. The direct current percussion drill gearbox output torque adjustment mechanism of claim 4, characterized in that: fillets are arranged on two sides of the first boss (91) and the second boss (93), and fillets are arranged on two sides of the first groove (92) and the second groove (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220773373.2U CN217858924U (en) | 2022-04-02 | 2022-04-02 | Direct current strikes and bores tooth case output torque adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220773373.2U CN217858924U (en) | 2022-04-02 | 2022-04-02 | Direct current strikes and bores tooth case output torque adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217858924U true CN217858924U (en) | 2022-11-22 |
Family
ID=84086170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220773373.2U Active CN217858924U (en) | 2022-04-02 | 2022-04-02 | Direct current strikes and bores tooth case output torque adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217858924U (en) |
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2022
- 2022-04-02 CN CN202220773373.2U patent/CN217858924U/en active Active
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