CN2855649Y

CN2855649Y - Electric spanner

Info

Publication number: CN2855649Y
Application number: CN 200520074217
Authority: CN
Inventors: 徐群强
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-02
Filing date: 2005-08-02
Publication date: 2007-01-10
Anticipated expiration: 2015-08-02

Abstract

The utility model relates to an electric spanner, belonging to the field of the hardware tool technique. It is mainly characterized in that a speed reduction motor is arranged inside a spanner body that is under an adjusting nut. The shaft of the speed reduction motor is connected with a gearwheel, which meshes with a gearwheel that is connected with one end of the adjusting nut. A charging battery is arranged inside the cavity of the handle. The charging battery is connected with the charging circuit .The charging battery controls the circuit and is connected with the motor with the help of double pole double throw press keys that are intersected and in parallel connection. The utility model is an improvement of the structure of the present adjustable spanner. With the utility model, the nut can be screwed on, which can effectively solve the problem that a first web is not tight and thus the nut can be avoided to be broken. When using the spanner, the user only needs to press lightly a forward direction press key or a reverse direction press key. In this way, the motor that can rotate in the forward direction or the reverse direction will drive the adjusting nut to rotate so as to adjust the space of the first web. When the oil pollution is too much and the space is too small, using the utility model is quite convenient. The utility model has a simple structure with a good function.

Description

Electric wrench

Technical field

The utility model relates to a kind of electric wrench, belongs to the hardware ﹠ tools technical field.

Background technology

The monkey wrench of Chu Shouing is one of instrument of mechanic's indispensability in the market, be the spacing of going to regulate the spanner tiger by the adjusting nut of manual adjustments spanner in use, thereby the nut of corresponding all size, when reality is used, maybe can be too hour when repairing a lot of machinery (as motorcycle) of some greasy dirts for service clearance, regulate this nut, just become very inconvenient, sometimes do not harmonize because of the tiger spacing, when firmly pulling, cause some crucial nuts to be twisted bad scrapping, bring very big trouble and economic loss to the user.

Summary of the invention

The purpose of this utility model is when using under some particular cases at existing conventional spanner, often regulating difficulty because of spanner tiger spacing regulates inaccurate greatly, thereby easily cause related nut to be twisted bad deficiency, provide a kind of tiger spacing easily to regulate, easy to operate, nut is not by stubborn bad a kind of electric wrench.

The purpose of this utility model is achieved through the following technical solutions, a kind of electric wrench, comprise tiger and adjusting nut, it is characterized in that pulling of described spanner adjusting nut below is provided with reducing motor in the body, the gears engaged that the gear that reducing motor rotating shaft end connects is connected with adjusting nut one end, in the cavity of pinch bar rechargeable battery is set, rechargeable battery connects charging circuit, and rechargeable battery connects motor through the DPDT key control circuit of alter-parallel.

The utility model is the improvement to existing monkey wrench structure, by rechargeable battery being set in the spanner region of interest, simple control circuit, charging circuit, economic reducing motor reliably and transmission system combine, use its nutting can effectively solve the not tight problem of tiger, thereby it is bad to avoid nut to be twisted, when using this spanner, only need flicking forward button or reverse button, can forward and reverse motor rotating drive the spacing that the spanner tiger is regulated in the adjusting nut rotation, too much when running into greasy dirt, the space hour just becomes very convenient very much, and the utility model is simple in structure, has very strong practicality.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is control circuit figure in the utility model;

Fig. 3 is charging circuit figure in the utility model;

Among the figure, 1 pulls body, 2 tigers, 3 adjusting nuts, 4 handles, 5 reducing motors, 6 rechargeable batteries, 7 forward buttons, 8 reverse buttons, 9 charging sockets, 10 transformers, 11 gears, 12 gears, diode D1-2, resistance R 1, capacitor C 1.

The specific embodiment

Further specify the utility model in conjunction with the accompanying drawings and embodiments, the utility model is pulled the spanner that body 1, tiger 2, adjusting nut 3 and handle 4 are formed by having, pulling of spanner adjusting nut 3 belows is provided with reducing motor 5 in the body 1, the charging socket 9 that the end of rechargeable battery 6, charging circuit, control circuit and the handle 4 that is provided with in the cavity of handle 4 is provided with constitutes; Gear 12 engagements that the gear 11 that reducing motor 5 rotating shaft ends connect is connected with adjusting nut one end; Rechargeable battery 6 is made up of No. seven rechargeable batteries of two joints, charging circuit charging through being provided with, charging circuit is made up of transformer 10, diode D1, capacitor C 1 and resistance R 1, diode D1, capacitor C 1 constitute the halfwave rectifier filter circuit, resistance R 1 is used for current limliting, and diode D2 is the light emitting diode that is used to indicate; Rechargeable battery 6 connects motor through the DPDT key control circuit of alter-parallel; The charging socket 9 of external power supply is arranged on handle end in the charging circuit.

Claims

1, a kind of electric wrench, comprise and have tiger and adjusting nut, it is characterized in that pulling of described spanner adjusting nut below is provided with reducing motor in the body, the gears engaged that the gear that reducing motor rotating shaft end connects is connected with adjusting nut one end, in the cavity of pinch bar rechargeable battery is set, rechargeable battery connects charging circuit, and rechargeable battery connects motor through the DPDT key control circuit of alter-parallel.

2, electric wrench according to claim 1, it is characterized in that charging circuit is made up of transformer, diode D1, capacitor C 1 and resistance R 1, diode D1, capacitor C 1 constitute the halfwave rectifier filter circuit, and resistance R 1 is used for current limliting, and diode D2 is the light emitting diode that is used to indicate.

3, electric wrench according to claim 1 is characterized in that rechargeable battery is composed in series by No. seven rechargeable batteries of two joints.

4, electric wrench according to claim 1 is characterized in that the charging socket of external power supply in the charging circuit is arranged on handle end.