CN216327976U - Electric screwdriver with rear plug-in screwdriver head bin - Google Patents

Abstract

The utility model relates to an electric screwdriver with a rear plug-in screwdriver head bin, which comprises an electric screwdriver body, wherein the plug-in screwdriver head bin is arranged at the rear end of the electric screwdriver body and comprises a core shaft, a locking clamp, a front check ring, an installation shaft, a screwdriver head frame, screwdriver heads and a rear cover, one end of the core shaft is inserted into the inner wall of the electric screwdriver body, the other end of the core shaft is fixed with the locking clamp, the installation shaft is sleeved outside the locking clamp and can move along the outer wall of the locking clamp, the screwdriver head frame is fixed on the installation shaft, a plurality of screwdriver heads are uniformly distributed around the screwdriver head frame, and the front check ring and the rear cover are respectively fixed at two ends of the installation shaft and correspondingly arranged at two sides of the screwdriver heads. This electronic screwdriver with first storehouse is criticized to rearmounted plug-in through rotatory back lid, after that to the aircraft tail direction pulling back lid, criticize outside first storehouse was pulled out the casing, be convenient for take out criticize the head on the headstock, its simple structure, convenient to use, it is more convenient to install and dismantle.

Description

Electric screwdriver with rear plug-in screwdriver head bin

The technical field is as follows:

the utility model relates to the technical field of electric tools, in particular to an electric screwdriver with a rear plug-in screwdriver head bin.

Background art:

the electric screwdriver is an electric tool for screwing and loosening screws by utilizing positive and negative rotation of a motor, and is widely used in various mounting and dismounting processes at present. Aiming at different types of screw heads, the screwdriver head of the screwdriver is designed correspondingly. At present, there are two storage modes for batch headers with different specifications: one is to design the batch head separately, and the mode has large capacity but is not convenient enough; the other is a built-in screwdriver head bin, for example, the existing built-in screwdriver head bin in the chinese patent of invention No. 201410085778.7 (publication No. CN 104907983 a) needs a corresponding control structure, and has a complex structure, which results in a large volume of the screwdriver, not only affecting the appearance, but also being unfavorable for the holding comfort.

The utility model has the following contents:

the utility model provides an electric screwdriver with a rear plug-in screwdriver head bin, which is simple in structure and convenient and quick to use.

The utility model is realized by the following technical scheme: the utility model provides an electronic screwdriver with first storehouse is criticized to rearmounted plug-in, includes electronic screwdriver body, electronic screwdriver body rear end is provided with first storehouse is criticized to plug-in, first storehouse is criticized to plug-in includes dabber, collet, preceding retaining ring, installation axle, criticizes headstock, criticize head and hou gai, dabber one end is pegged graft mutually with electronic screwdriver body inner wall, and the other end is fixed mutually with the collet, installation axle sleeve establishes outside the collet and can follow the collet outer wall and remove, criticize the headstock and fix at epaxial, criticize the head and be a plurality of, the equipartition is criticized the headstock all around, preceding retaining ring, back lid are fixed respectively at installation axle both ends to correspond and set up in criticizing first both sides.

In order to make the dabber can with electronic screwdriver body relatively fixed to can realize quick assembly disassembly, dabber one end is provided with the inserted sheet, electronic screwdriver body inner wall has the slot that can supply the inserted sheet both sides embedding.

In order to enable the mounting shaft to move relatively along the locking clamp and avoid the locking clamp from falling out of the mounting shaft integrally, the utility model designs a special limiting mechanism, one end of the locking clamp, which is far away from the mandrel, is provided with a plurality of expansion pieces capable of expanding outwards, and the inner wall of one end of the mounting shaft, which is far away from the mandrel, is provided with a conical surface matched with the expansion pieces.

In order to further guarantee to have certain cooperation elasticity between the locking clip installation axle, avoid appearing the pine after long-term the use and take off, inflation piece inner wall is provided with the elastic opening retaining ring that can outwards strut the inflation piece.

In order to control the moving range of the whole plug-in screwdriver head bin, the inner wall of the electric screwdriver body is provided with a limiting step used for limiting the inward movement of the front retainer ring.

In order to conveniently install or take down the batch head, a plurality of clamping claws used for clamping the batch head are uniformly distributed on the outer wall of the batch head frame.

The utility model has the beneficial effects that: this electronic screwdriver with first storehouse is criticized to rearmounted plug-in through rotatory back lid, after that to the aircraft tail direction pulling back lid, criticize outside first storehouse was pulled out the casing, be convenient for take out criticize the head on the headstock, its simple structure, convenient to use, it is more convenient to install and dismantle.

Description of the drawings:

FIG. 1 is a schematic perspective view of an electric screwdriver with a rear plug-in screwdriver head magazine according to the present invention;

FIG. 2 is an exploded view of the plug-in batch head bin of the present invention;

fig. 3 is a schematic structural view of the pluggable batch head bin installed in the electric screwdriver body.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the utility model. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.

As shown in fig. 1, the electric screwdriver with the rear plug-in screwdriver head bin comprises an electric screwdriver body 1, wherein the plug-in screwdriver head bin 2 is arranged at the rear end of the electric screwdriver body 1, and the plug-in screwdriver head bin 2 can be pulled out after being rotated, so that an internal screwdriver head can be taken out.

Specifically, as shown in fig. 2 and 3, the pluggable batch head bin 2 includes a spindle 21, a locking clamp 22, a front retainer ring 24, a mounting shaft 26, a batch head frame 25, a batch head 27, and a back cover 28.

The mandrel 21 is designed to be a cylindrical plastic part, the right end of the mandrel is integrally formed with an inserting sheet structure, the length of the inserting sheet is larger than the width, two slots 12 are arranged in two detachable shells 11 of the electric screwdriver body, when the two shells 11 are combined, the two ends of the inserting sheet are embedded into the slots 12, the mandrel 21 is relatively fixed, the locking clamp 22 is fixed at the left end of the mandrel 21, the right end of the locking clamp 22 is excessively matched with the left end of the mandrel 21 to form an axial support of the screwdriver head bin, the left end of the locking clamp 22 is provided with four expansion sheets capable of expanding outwards, a U-shaped elastic open check ring 23 capable of generating thrust outwards is embedded at the inner side of each expansion sheet, the expansion sheets of the locking clamp 22 deform outwards due to the external tension of the open check ring, the installation shaft 26 is sleeved outside the locking clamp 22, the inner wall at the left end of the installation shaft 26 is provided with a conical surface matched with the expansion sheets, namely, the diameter of the inner wall of the installation shaft 26 is gradually reduced from left to right, the installation shaft 26 can move left and right along the outer wall of the locking clamp 22, criticize headstock 25 and fix on installation axle 26, criticize headstock 25 outer wall equipartition and have the semi-circular jack catch that the head 27 was criticized to the round is used for the joint, utilizes the toughness of jack catch material to block criticize head 27, preceding retaining ring 24, back lid 28 are fixed respectively at installation axle 26 both ends, and back lid 28 design is the unsmooth step characteristic of evenly distributed, and the first storehouse is criticized in gripping and plug of being convenient for, and the cooperation of spacing step 13 in preceding retaining ring 24 and the casing 11 prevents to criticize the first storehouse and break away from the machine. The transparent cover designed on the top of the rear end of the shell 11 can facilitate a user to accurately select the batch heads on the batch head frame.

It should be noted that the fixing manner of the spindle 21, the locking clip 22, the front retaining ring 24, the mounting shaft 26, the screwdriver head frame 25 and the rear cover 28 of the present invention may be an interference fit or a snap fit.

When the screwdriver head holder is used, the screwdriver head holder 25 is driven to rotate to the position of the screwdriver head required by rotation of the rear cover 28, the rear cover 28 drives the mounting shaft 26 to move outwards along the locking clamp 22 by pulling the rear cover 28, and due to the effects of the expansion sheet and the split washer, the mounting shaft 26 cannot be separated from the locking clamp 22, so that the screwdriver head 27 on the screwdriver head holder 25 can be taken down.

The parts not involved in the present invention are the same as or can be implemented using the prior art.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (6)

1. The utility model provides an electronic screwdriver with first storehouse is criticized to rearmounted plug-in, includes electronic screwdriver body, its characterized in that: first storehouse is criticized to electronic screwdriver body rear end is provided with plug-in, first storehouse is criticized to plug-in includes dabber, collet, preceding retaining ring, installation axle, criticizes the headstock, criticizes head and hou gai, dabber one end is pegged graft mutually with electronic screwdriver body inner wall, and the other end is fixed mutually with the collet, install the axle sleeve and establish outside the collet and can follow the collet outer wall and move, criticize the headstock and fix at the installation epaxially, criticize the head and be a plurality of, the equipartition is criticized the headstock all around, preceding retaining ring, back lid are fixed respectively at installation axle both ends to correspond the setting and criticize first both sides.

2. The electric screwdriver with the rear plug-in screwdriver head bin as claimed in claim 1, wherein: dabber one end is provided with the inserted sheet, electronic screwdriver body inner wall has the slot that can supply the inserted sheet both sides embedding.

3. The electric screwdriver with the rear plug-in screwdriver head bin as claimed in claim 1, wherein: the locking clamp is provided with a plurality of expansion pieces capable of expanding outwards at one end far away from the mandrel, and the inner wall of one end, far away from the mandrel, of the mounting shaft is provided with a conical surface matched with the expansion pieces.

4. The electric screwdriver with the rear plug-in screwdriver head bin as claimed in claim 3, wherein: the inner wall of the expansion sheet is provided with an elastic split retainer ring which can expand the expansion sheet outwards.

5. The electric screwdriver with the rear plug-in screwdriver head bin as claimed in claim 1, wherein: the inner wall of the electric screwdriver body is provided with a limiting step used for limiting the inward movement of the front retainer ring.

6. The electric screwdriver with the rear plug-in screwdriver head bin as claimed in claim 1, wherein: and a plurality of clamping jaws used for clamping the screwdriver heads are uniformly distributed on the outer wall of the screwdriver head frame.

Images