CN201511331U - Screwdriver - Google Patents

Abstract

A screwdriver belongs to the technical field of hand tools. Traditional screwdrivers are bulky and have exposed blades, making it inconvenient to carry. The utility model includes a screwdriver head, which is characterized in that the screwdriver head is built into a shell with an opening diameter matching the diameter, the rear end of the screwdriver head is connected with a front push rod, and a front end and a rear end are respectively against the shell opening. The spring on the end surface of the front push rod is sleeved on the screwdriver head, the end of the front push rod is matched with the rear push rod with a number of push teeth, and the rear end of the rear push rod is connected with a pressing head outside the housing. The advantage is that the structure is reasonable. Small size, easy to carry, easy to apply force when using, the cutter head can be retracted freely, and the product has good adaptability.

Description

screwdriver

【Technical field】

The utility model relates to a screwdriver and belongs to the technical field of hand tools.

【Background technique】

A screwdriver is a tool used to turn a screw to force it into place. It usually has a thin wedge-shaped cutter head, which can be inserted into the slot or notch of the screw head, also known as a digging ladder, mainly with a word (negative sign) and a cross (positive sign). Traditional screwdrivers are bulky and have exposed blades, making it inconvenient to carry.

【Content of utility model】

The technical problem to be solved and the technical task proposed by the utility model are to overcome the defects of the prior art and provide a screwdriver with a small volume, retractable cutter head, easy to carry and easy to use. For this reason, the utility model adopts following technical scheme:

A screwdriver, including a screwdriver head, is characterized in that the screwdriver head is built into a housing with an opening diameter matching its diameter, the rear end of the screwdriver head is connected with a front push rod, and a front end and a rear end are respectively against the housing opening and the The spring on the end surface of the front push rod is sleeved on the screwdriver head, the end of the front push rod is matched with a rear push rod with a plurality of propelling teeth, and the rear end of the rear push rod is connected with a pressing head outside the housing. Borrowing the structural characteristics of the existing retractable ballpoint pen, the pressing head, the front and rear push rods, the spring and the shell are connected with the screwdriver head in sequence to realize manual pressing to control the expansion and contraction of the cutter head, which solves the problem that the cutter head is exposed when carried.

It also includes a booster handle that is movably socketed outside the casing. This design meets the force application requirements of people when using the screwdriver, and solves the problem of inconvenient force application caused by the small size of the screwdriver.

The utility model is reasonable in structure, small in size, easy to carry, easy to apply force when in use, the cutter head can be retracted freely, and the product adaptability is good.

【Description of drawings】

Fig. 1 is the explosion structure schematic diagram of the utility model;

Fig. 2 is the structural representation of the utility model;

Fig. 3 is a top view structural diagram of the utility model.

In the figure: 1. power-assisted handle, 2. housing, 3. pressing head, 4. rear push rod, 5. front push rod, 6. screwdriver head, 7. spring, 8. push tooth.

【Detailed ways】

The substantive features of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1, the screwdriver includes a screwdriver head 6, and the screwdriver head is built into a housing 2 with an opening diameter matching its diameter. The opening and the spring 7 of the front push rod end face are sleeved on the screwdriver head, and the front push rod end is fitted with a rear push rod 4 with some propelling teeth 8, and the rear push rod rear end is connected with a pressing head 3 outside the housing. It also includes a booster handle that is movably socketed outside the casing.

The screwdriver shown in the accompanying drawings is a specific embodiment of the utility model, which has already reflected the substantive features and progress of the utility model, and can be modified in terms of size, color, specification, material, etc. according to actual use needs. I won't go into details here.

Claims (2)

1. screwdriver, comprise driver bit (6), it is characterized in that described driver bit is built in is provided with in the housing (2) that opening diameter and its diameter match, the driver bit rear end is connected with preceding catch bar (5), the spring (7) that one front and back ends is against shell nozzle and preceding catch bar end face respectively is socketed on the driver bit, preceding catch bar end connects in a back catch bar (4) with some propelling teeth (8), and the back rod rear end that promotes is connected with housing press head (3) outward.

2. screwdriver according to claim 1 is characterized in that also comprising the power-assisted handle (1) that is actively socketed on outside the housing.

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