Hardware screwdriver

Abstract

The utility model discloses a hardware screwdriver which comprises a screwdriver head, a screwdriver rod and a screwdriver handle. The cutter is characterized in that a cutter head is arranged at the lower end of the cutter bar, the cutter handle is cylindrical, a through hole and a cylindrical mounting groove are formed in the two ends of the cutter handle respectively, the end, away from the cutter head, of the cutter bar is inserted into the through hole in the bottom end of the cutter handle in a penetrating mode, and the cutter bar directly enters the cylindrical mounting groove after penetrating through the through hole in the cutter handle. A fixing plate is arranged in the cylindrical mounting groove, a telescopic rod is connected to the lower bottom face of the fixing plate, the end, away from the fixing plate, of the telescopic rod is connected with the lower bottom face of the cylindrical mounting groove, the interior of the telescopic rod is hollow, and after entering the cylindrical mounting groove, the cutter bar is directly inserted into a hollow layer of the telescopic rod in a penetrating mode. The telescopic rod is arranged on the base and connected with a fixing plate above the telescopic rod, the outer side of the fixing plate is rotatably connected with a circular ring plate, and two fixing clamping blocks are evenly arranged on the side face of the circular ring plate at equal intervals.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hardware tools, more particularly, relates to a hardware screwdriver. BACKGROUND

[0002] The screwdriver is a kind of commonly used tool for screwing screw to make it in place, usually has a thin wedge-shaped tool bit, a tool bar and a handle, can be inserted into the slot or recess of screw head and is screwed.The part of the tool bar of the screwdriver exposed outside the handle is relatively fixed, which leads to the inconvenience and discomfort when screwing the screw far or near, which is the defect in the prior art.

[0003] Therefore, the utility model is provided. CONTENT OF UTILITY MODEL

[0004] To solve the above technical problem, the basic concept of the technical scheme of the utility model is:

[0005] A hardware screwdriver, comprising: tool bit, tool bar and handle;The lower end of the tool bar is provided with a tool bit, the handle is cylindrical, the both ends of the handle are provided with through hole and cylindrical mounting slot respectively, the end of the tool bar away from the tool bit is inserted into the through hole at the bottom end of the handle, the tool bar passes through the through hole on the handle and directly enters the cylindrical mounting slot, the cylindrical mounting slot is provided with a fixed plate, the lower bottom surface of the fixed plate is connected with a telescopic rod, the end of the telescopic rod away from the fixed plate is connected with the lower bottom surface of the cylindrical mounting slot, the inside of the telescopic rod is hollow, after the tool bar enters the cylindrical mounting slot, it is directly inserted into the hollow layer of the telescopic rod and connected with the fixed plate above the telescopic rod, the outer side of the fixed plate is rotatably connected with a circular ring plate, two fixed clamping blocks are evenly and equidistantly arranged on the side surface of the circular ring plate, two vertical first notches are evenly and equidistantly arranged on the side surface of the handle, and a plurality of horizontal second notches are further arranged in the vertical direction of each first notch.

[0006] The fixed plate and the circular ring plate are rotatably connected through a bearing, the outer side of the fixed plate is connected to the inner ring of the bearing, and the outer ring of the bearing is connected with the circular ring plate.

[0007] The outer side of the telescopic rod is provided with a spring, and the both ends of the spring are connected with the lower bottom surface of the cylindrical mounting slot and the fixed plate respectively.

[0008] The inner side wall of the cylindrical mounting slot is provided with a thread, the upper end of the cylindrical mounting slot is connected with a tool cap in a threaded manner, the outer side of the tool cap is provided with a rubber sleeve, the outer side surface of the handle is provided with a rubber layer, and the outer side of the handle is provided with rubber insulation material.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] The length of the screwdriver rod exposed outside the handle can be adjusted, and the screwdriver can be automatically adjusted according to the need when screwing the screw near or far, so that the screwdriver is more convenient and easy to turn.

[0011] The specific embodiments of the utility model will be further described in detail below with reference to the drawings. DRAWINGS

[0012] In the drawings:

[0013] Fig. 1 It is the whole appearance structure schematic diagram of the utility model;

[0014] Fig. 2 It is the whole appearance structure section schematic diagram of the utility model;

[0015] Fig. 3 It is the whole appearance structure A place amplification schematic diagram of the utility model.

[0016] In the drawings: 101, the rod; 102, the handle; 103, the head; 104, the second gap; 105, the cylindrical installation slot; 106, the cap; 107, the first gap; 201, the fixed plate; 202, the circular ring plate; 203, the bearing; 204, the fixed clamping plate; 301, the telescopic rod; 401, the spring. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0018] As Figs. 1 to 3 shown,

[0019] A hardware screwdriver, comprising: a blade head 103, a blade rod 101 and a handle 102; the blade head 103 is arranged on the lower end of the blade rod 101, the handle 102 is cylindrical, both ends of the handle 102 are provided with through holes and cylindrical mounting grooves 105 respectively, one end of the blade rod 101 away from the blade head 103 is inserted into the through hole at the bottom end of the handle 102, the blade rod 101 directly enters into the cylindrical mounting groove 105 after passing through the through hole on the handle 102, the cylindrical mounting groove 105 is provided with a fixed plate 201, the lower bottom surface of the fixed plate 201 is connected with an extension rod 301, one end of the extension rod 301 away from the fixed plate 201 is connected with the lower bottom surface of the cylindrical mounting groove 105, the inside of the extension rod 301 is hollow, the blade rod 101 directly inserts into the hollow layer of the extension rod 301 after entering into the cylindrical mounting groove 105, and is connected with the fixed plate 201 on the extension rod 301, the outer side of the fixed plate 201 is rotatably connected with a circular ring plate 202, the fixed plate 201 and the circular ring plate 202 are rotatably connected through a bearing 203, the outer side of the fixed plate 201 is connected with the inner ring of the bearing 203, the outer ring of the bearing 203 is connected with the circular ring plate 202, two fixed clamping blocks 204 are uniformly and equidistantly arranged on the side surface of the circular ring plate 202, two vertical first notches 107 are uniformly and equidistantly arranged on the side surface of the handle 102, a plurality of horizontal second notches 104 are arranged in the vertical direction of each first notch 107, the fixed clamping block 204 is movably arranged in the first notch 107, the extension rod 301 can be lengthened or shortened by moving the fixed clamping block 204 up and down, when the extension rod 301 is lengthened or shortened to the required length, the fixed clamping block 204 is arranged in the second notch 104 by rotating the fixed clamping block 204 left and right, when the extension rod 301 is lengthened, the length of the blade rod 101 outside the handle 102 will be shortened, when the extension rod 301 is shortened, the length of the blade rod 101 outside the handle 102 will be lengthened, so as to tighten and loosen the screws with different installation depths.

[0020] The outer side of the extension rod 301 is sleeved with a spring 401, both ends of the spring 401 are connected with the bottom of the cylindrical mounting groove 105 and the fixed plate 201 respectively, so as to increase the stability of the extension rod 301 during lengthening or shortening.

[0021] The inner side wall of the cylindrical mounting groove 105 is provided with threads, the upper end of the cylindrical mounting groove 105 is connected with a tool cap 106 in a threaded manner, the outer side of the tool cap 106 is provided with a rubber sleeve, the outer side surface of the handle 102 is provided with a rubber layer, and the outer side of the handle is provided with rubber insulation material, so that the user can use it more comfortably and safely.

Claims

1. A hardware screwdriver, comprising: A cutting head (103), a cutting shank (101), and a cutting handle (102); characterized in that a cutting head (103) is provided on the lower end of the cutting shank (101), the cutting handle (102) is cylindrical, and through holes and cylindrical mounting grooves (105) are respectively provided at both ends of the cutting handle (102). The end of the cutting shank (101) away from the cutting head (103) is inserted into the through hole at the bottom end of the cutting handle (102). After passing through the through hole on the cutting handle (102), the cutting shank (101) directly enters the cylindrical mounting groove (105). A fixing plate (201) is provided in the cylindrical mounting groove (105). A telescopic rod (301) is connected to the lower surface of the fixing plate (201). The telescopic rod (301) is located away from the fixing plate (202). One end of the telescopic rod (301) is connected to the bottom surface of the cylindrical mounting groove (105). The telescopic rod (301) is hollow inside. After the knife bar (101) enters the cylindrical mounting groove (105), it is directly inserted into the hollow layer of the telescopic rod (301) and connected to the fixing plate (201) above the telescopic rod (301). The outer side of the fixing plate (201) is rotatably connected to a ring plate (202). Two fixing blocks (204) are evenly and equidistantly arranged on the side of the ring plate (202). Two vertical first notches (107) are evenly and equidistantly arranged on the side of the knife handle (102). Each first notch (107) is also provided with multiple horizontal second notches (104) in the vertical direction.

2. The hardware screwdriver according to claim 1, characterized in that, The fixed plate (201) and the annular plate (202) are rotatably connected by a bearing (203). The outer side of the fixed plate (201) is connected to the inner ring of the bearing (203), and the outer ring of the bearing (203) is connected to the annular plate (202).

3. A hardware screwdriver according to claim 1, characterized in that, A spring (401) is sleeved on the outside of the telescopic rod (301), and the two ends of the spring (401) are connected to the bottom surface of the cylindrical mounting groove (105) and the fixing plate (201) respectively.

4. A hardware screwdriver according to claim 1, characterized in that, The inner wall of the cylindrical mounting groove (105) is provided with threads, and the upper end of the cylindrical mounting groove (105) is connected to the knife cap (106) by threads. The outer side of the knife cap (106) is provided with a rubber sleeve, the outer surface of the knife handle (102) is provided with a rubber layer, and the outer side of the knife handle (102) is provided with a rubber insulating material.

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