CN218592846U - Screwdriver handle - Google Patents

Abstract

The utility model provides a screwdriver handle, by the tool bit seat articulated constitute at handle portion, hinge structure includes the sheet form hinge and the base piece of connecting in the tool bit seat bottom. The base block is a cuboid or a cylinder, is provided with a notch and is provided with a shaft rod, and is connected with or arranged at the front end of the handle part through a sleeve. The bottom of the notch is provided with a round hole for installing a compression spring and a ball. The semicircular front end part of the hinge generates parallel arc-shaped grooves, the hinge is arranged on a shaft lever of the base block to form rotatable connection, and the ball is propped against the arc-shaped grooves. The side surface of the rear part of the base block connected with the sleeve is provided with a limiting convex column, a counter bore is generated, and a positioning spring and a positioning ball are arranged. The sleeve generates a strip-shaped limiting hole, and a limiting convex column is embedded in the limiting hole; a row of positioning pits are generated for accommodating the positioning balls. The utility model discloses the tool bit seat is scalable to can turn to in notch plane 180, have the characteristics of structure succinct, production convenience, and convenient to carry, advantage that the function is practical.

Description

Screwdriver handle

Technical Field

The utility model belongs to utility tool product field, especially the screwdriver of hardware and tools class.

Background

Among the tool type products, a screwdriver is one of the most commonly used products. The screwdriver can provide various operations such as screwing, picking, pulling, adsorbing and the like in daily or production and use, and meets all the basic functions of assembly, disassembly and production. In the production practice, due to the fact that the conditions of equipment structures and installation sites are quite different, screwdrivers with different sizes and lengths need to be continuously replaced to meet the requirements of operation and use, and the quantity of tools needed to be equipped for field work is greatly increased. This is a significant waste if used by equipping each piece of equipment with the appropriate tools. In order to meet the requirements of production practice, the combined screwdriver with the replaceable screwdriver head is produced, and the problem that the field operation space is insufficient is solved. In practice, for narrow operation space, the larger the screwdriver operation lever, the more labor-saving and more convenient. Therefore, the arrangement of the screwdriver with the bit and the screwdriver shank at an angle is a good option for improving efficiency. At present, part of products meet the use requirement by adding a batch head corner device, but the adjustable angle is limited, and the practicability is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screwdriver handle, its tool bit seat enough rotates, forms certain angle with handle portion, and tool bit seat that can also stretch out and draw back comes the length of adjusting whole screwdriver, can solve current screwdriver product and can not change length, and the scope of change angle is limited not enough.

In order to achieve the purpose, the technical scheme of the utility model is that the screwdriver handle comprises a screwdriver head seat and a handle part. The tool bit seat is connected with the handle part by adopting a hinge structure, and the hinge structure comprises a hinge and a base block. The base block is a cuboid or a cylinder, is connected with or arranged at the front end of the handle part, generates a notch at the front end and is transversely provided with the shaft rod. The bottom of the notch is provided with a round hole opposite to the shaft lever, a compression spring is arranged, and the top of the compression spring is provided with a ball. The hinge is a plate connected with the bottom of the tool bit seat, the front end of the hinge is semicircular, and arc-shaped grooves which are parallel to each other are distributed on the edge of the hinge. The hinge generates a shaft hole which is arranged on the shaft lever of the base block to form a rotatable connection, so that the ball is propped against the arc-shaped groove.

The utility model discloses above-mentioned structure has following characteristics and advantage: 1. the shaft lever is used as a rotating shaft to insert the plate-shaped hinge into the notch of the base block, and the wrenching tool bit base can rotate on the plane of the notch, so that the left-handed or right-handed turning is realized to be in a right-angled straight-bent corner state with the handle part. When the screwdriver is adjusted to be in a straight-bent corner shape for operation and use, the screwdriver head is in contact with the screw and keeps vertical, the handle is horizontal, therefore, the screw can be screwed by turning the handle, the action of the normal torsion handle in the use of the screwdriver is converted into the action of turning the handle with larger torque, and the operation is more labor-saving. Meanwhile, the direction of the handle is changed, so that more operating space is not required to be provided for the screwdriver in the vertical direction, and the screwdriver is not required to be moved when used on site, so that various operations are greatly facilitated. 2. The front end part of the hinge is provided with a plurality of parallel arc grooves with the same direction as the shaft lever, the ball which is arranged on the base block and supported by the compression spring is accommodated, the ball jumps among different arc grooves after the hinge is turned, the hinge is extruded under the action of the compression spring, and meanwhile, under the combined action of the shaft lever, the hinge and the tool bit seat are fixed at a certain angle position with the handle, and the angle can be continuously adjusted. The structure arrangement provides a more flexible operation angle, the use in different wide and narrow spaces is met, and the use object and the application range are greatly improved; the possibility of reducing and reasonably allocating the number of tools used on site is provided, and the work of site operators is facilitated.

Preferably, the screwdriver handle with the structure further comprises a sleeve, and the base block is inserted into the sleeve and then fixedly mounted on the handle portion. The side surface of the rear part of the base block is provided with a limiting convex column and generates at least one counter bore, a positioning spring is arranged in the counter bore, and a positioning ball is placed outside the spring. The sleeve generates a strip-shaped limiting hole at a position corresponding to the limiting convex column of the base block, and a row of circular positioning concave pits with intervals are generated at a longitudinal position corresponding to the counter bore and used for accommodating positioning balls.

The provision of the sleeve as an adjustable structure connecting the base block and the handle portion has the advantage that: 1. the positioning spring, the positioning ball and the limiting hole are matched, so that the base block is continuously and intermittently fixed with the sleeve, and the telescopic function of the base block on the handle part is realized. Both can adjust the whole sword length of screwdriver when using, satisfy the use needs of different occasions, simultaneously, when base piece inwards inserts the sleeve, hinge structure gets into the sleeve, and tool bit seat main part forms straight shank state with handle portion lug connection, is favorable to consolidating overall structure's intensity, makes the screwdriver more durable, stable. 2. The limiting convex column of the base block is inserted in the limiting hole of the sleeve and used for limiting the position of the base block moving back and forth and preventing the tool bit seat from falling off from the sleeve. Meanwhile, the tool bit holder has the function of strengthening the connection between the tool bit holder and the sleeve.

The utility model discloses but set up the connection structure of screwdriver handle's tool bit seat and handle into fan-shaped pivoted hinge structure, but make the contained angle of tool bit and handle from 0 degree to perpendicular continuous variation, set up the connected mode to scalable tool bit seat simultaneously, can enough satisfy the use in narrower operating space place, also can follow adjustment on the operating angle, change the user mode of handle, realize the effect of more laborsaving and convenient operation. Compare with current equipment shape steering screwdriver combination, the utility model relates to a structure is succinct, and production is convenient, convenient to carry again, what the function was practical can turn to screwdriver instrument.

Drawings

Fig. 1 is a perspective view of the embodiment.

FIG. 2 is an exploded view of an embodiment tool tip carrier and attachment structure.

Fig. 3 is a sectional view taken along line P-P of fig. 2.

Detailed Description

A preferred embodiment of the present invention will now be described with reference to the accompanying drawings.

Referring to fig. 1, a screwdriver handle comprises a handle portion A, a bit portion B and a hinge structure C. The front end of the handle part is provided with a cavity, a sleeve D is arranged in the cavity, a base block 1 of a hinge structure is connected in the sleeve, and the bottom surface of the cutter head part is provided with a hinge 2.

The hinge structure C is shown in fig. 2 and includes a base block 1 and a hinge 2. The base block is a rectangular cylinder, a notch 10 is formed at the front end of the base block, and a shaft lever 11 is installed to cross the notch. A round hole 12 is formed at the position of the bottom of the notch, which is opposite to the shaft rod, a compression spring 13 is installed, and a ball 14 is installed at the top of the compression spring. The hinge 2 is a plate connected with the bottom of the tool bit seat, the front end part of the hinge is semicircular, and 5 parallel arc-shaped grooves 20 are continuously distributed along the edge of the hinge. The front part of the hinge is provided with a shaft hole 21 which is sleeved on the shaft lever 11 of the base block through the shaft hole to form rotatable connection, and the ball 14 of the base block leans against the arc-shaped groove after installation to support and fix the tool bit seat. The wrench bit seat rotates around the shaft rod, the ball shifts between different arc-shaped grooves, and simultaneously, under the action of elastic support of the compression spring and fixing force of the ball, the bit seat and the handle can be kept fixed in a certain state of five included angles of 90 degrees at the left, 45 degrees at the left, 0 degree at the right, 45 degrees at the right and 90 degrees at the right. Referring to fig. 1, the state is shown as being maintained at 90 ° right. The tool bit seat can be held in a state of not 0 degrees, the handle is shaken to perform actions such as screwing and pulling, and the operation is more labor-saving.

The base block 1 of the hinge structure is sleeved on the sleeve D and then installed on the handle part, and the base block and the sleeve are respectively provided with a structure capable of being slidably connected and positioned, and the hinge structure comprises: the side surface of the rear part of the base block is provided with a limit convex column 15, the other side surface of the rear part of the base block is provided with a counter bore, a positioning spring 16 is arranged in the counter bore, and a positioning ball 17 is arranged outside the spring, which is shown in figure 2. The telescopic inner structure of figure 3 section show, the sleeve is generating the spacing hole 3 of bar with the spacing projection 15 of base piece corresponding position, and the sleeve internal face that corresponds with the counter bore generates one row of circular location pit 4, and longitudinal arrangement just has certain interval, and the size of pit can the holding and fix a position ball 17, makes the base piece fixed in the telescopic certain degree of depth after-fixing of cartridge, realizes the flexible effect of tool bit. The sliding range of the limiting convex column 15 at the front end and the rear end of the sleeve is limited by the limiting hole of the sleeve, and meanwhile, the movement of the base block in the sleeve is limited, so that the connection between the tool bit seat and the handle is adjustable, stable and reliable.

The screwdriver handle and the screwdriver head seat are used for assembling and mounting a screwdriver head, and the handle part is used for being held by hands for operation. When in use, the tool bit seat can be pushed into the cavity at the front end of the handle part to be used as a conventional straight screwdriver, and can also be pulled out, and the tool bit seat is wrenched to form a certain angle with the handle part and can be continuously adjusted. The hinge connection structure realizes the telescopic and steerable effects of the screwdriver handle, so that the screwdriver has the multipurpose use function, and has larger application range and occasion.

While a preferred embodiment of the present invention has been described above with reference to the drawings, the present invention is not limited to the structure of the embodiment. Various modifications, equivalent replacements and additions which fall within the technical scope expressed by the claims of the present invention, such as replacing the ball mounted on the base block with a cylindrical body with a spherical crown at the front end; the arc recess transform of hinge front end is pit structure, cooperation ball installation, and the transform of waiting for similar structure also belongs to of course the utility model discloses the technical scope who explains.

Claims (2)

1. A handle of a screwdriver consists of a tool bit seat and a handle part and is characterized in that,

the tool bit seat is connected with the handle part by adopting a hinge structure, and the hinge structure comprises a hinge and a base block; the base block is a cuboid or a cylinder, is connected with or arranged at the front end of the handle part, the front end of the base block forms a notch, and a shaft rod is arranged across the notch; the bottom of the notch is provided with a round hole at the position opposite to the shaft lever, a compression spring is arranged, and the top of the compression spring is provided with a ball;

the hinge is a plate connected with the bottom of the tool bit seat, the front end of the hinge is semicircular, and arc-shaped grooves which are parallel to each other are distributed on the edge of the hinge; the hinge generates a shaft hole which is arranged on the shaft lever of the base block to form a rotatable connection, so that the ball is propped against the arc-shaped groove.

2. The screwdriver handle as recited in claim 1, wherein,

the tool bit seat is inserted into the sleeve and then fixedly mounted on the handle part; a limit convex column is arranged on the side surface of the rear part of the base block; and generating at least one counter bore, installing a positioning spring in the counter bore, and placing a positioning ball outside the spring; the sleeve generates a strip-shaped limiting hole at a position corresponding to the limiting convex column of the base block, and a row of circular positioning concave pits with intervals are generated at a longitudinal position corresponding to the counter bore and used for accommodating positioning balls.

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