CN220613824U - Dual-purpose interchange silent ratchet screwdriver - Google Patents

Abstract

The utility model relates to the technical field of light industrial tools, in particular to a dual-purpose interchangeable silent ratchet screwdriver which comprises a handle, wherein one end of the outer wall of the handle is provided with a plastic cover body, one end of the handle, which is far away from the plastic cover body, is provided with a ratchet wrench assembly, the ratchet wrench assembly comprises a ratchet unit assembly and a connecting rod assembly, the ratchet unit assembly comprises a fluted disc and a steering knob, one side of the outer wall of the fluted disc is sleeved on the inner wall of the steering knob, and one end of the handle, which is far away from the plastic cover body, is sleeved on one side of the outer wall of the steering knob.

Description

A dual-purpose interchangeable silent ratchet screwdriver

Technical field

The utility model relates to the technical field of light industrial tools, in particular to a dual-purpose interchangeable silent ratchet screwdriver.

Background technique

A screwdriver is a common tool used to turn screws into place. It usually has a thin wedge-shaped head that can be inserted into the slot or notch of the screw head. Although the existing screwdriver has a simple structure, its torque is It corresponds to the force exerted by a person when rotating, which results in that when the bolt is tightened, it is more laborious for the person to install or remove the bolt. At the same time, when the stroke of the screwdriver is too short during use, the person can only change the stroke length to a longer length. Long screwdriver, this method is also inconvenient for personnel to disassemble and install bolts.

In summary, it is necessary to invent a dual-purpose interchangeable silent ratchet screwdriver.

Contents of the invention

For this reason, the present utility model provides a dual-purpose interchangeable silent ratchet screwdriver to solve the problem that when the bolts are tightened, it is more laborious for personnel to install or remove the bolts. At the same time, when the stroke of the screwdriver is too short during use, the personnel only have to The screwdriver can be replaced with a screwdriver with a longer stroke length. This method is also inconvenient for personnel to disassemble and assemble the bolts.

In order to achieve the above purpose, the present utility model provides the following technical solution: a dual-purpose interchangeable silent ratchet screwdriver, including a handle, one end of the outer wall of the handle is provided with a plastic cover, and one end of the handle away from the plastic cover is provided with a ratchet wrench assembly;

The ratchet wrench assembly includes a ratchet unit assembly and a connecting rod assembly. The ratchet unit assembly includes a gear plate and a steering knob. One side of the outer wall of the gear plate is sleeved on the inner wall of the steering knob. The handle is away from the plastic cover. One end is sleeved with one side of the outer wall of the steering knob, and the connecting rod assembly is installed on the side of the ratchet unit assembly away from the handle.

Preferably, the end of the handle away from the ratchet unit assembly is provided with a plastic cover interface, and the outer wall of the plastic cover body is provided with a plastic cover twisting port at a position corresponding to the plastic cover interface, and the plastic cover body passes through the plastic cover twisting port. Connect with the inner wall of the plastic cover interface.

Preferably, a knob-picking section is provided at the bottom end of the inner wall of the steering knob and located inside the gear plate. A paddle is installed on the inner wall of the knob-picking section, and a cylindrical pin is installed at one end of the paddle close to the handle. A plurality of the cylindrical pins are arranged in an annular array.

Preferably, the two cylindrical pins form a group, and a spacer is provided between one group of cylindrical pins. The spacer is fixed to one side of the outer wall of the paddle, and two adjacent groups of cylindrical pins are provided with a spacer. The tension spring, the paddle and the cylindrical pin are all arranged on the inner wall of the toothed disc.

Preferably, an inlaid groove is provided at the side end of the outer wall of the steering knob and close to the handle. The inner wall of the inlaid groove is inlaid with steel balls. One side of the outer wall of the steel balls and one end away from the inlaid groove is connected with a jack. Spring, the inner wall of the handle is provided with a circular groove at a position corresponding to the pressing spring, and one end of the pressing spring is in contact with the inner wall of the circular groove.

Preferably, a through hole is provided at the center of the inner wall of the knob and paddle section, and a main connecting rod is provided on the inner wall of the through hole. One end of the main connecting rod's outer wall and close to the handle passes through the paddle and is connected to the toothed plate. The connecting rod assembly includes a rubber-coated handle, and one end of the main connecting rod away from the toothed plate is connected to the center of one side of the outer wall of the rubber-coated handle.

Preferably, the end of the rubber-coated handle away from the main connecting rod is connected to a long rod, and the end of the long rod away from the rubber-coated handle is covered with a connector.

The beneficial effects of this utility model are:

In this utility model, a cylindrical pin and a tension spring are used instead of pawls to limit the position of the gear plate, thereby increasing the torque of the long rod while also achieving a silent effect;

In this utility model, by setting a connector on the outer wall of the long rod, other extension rods can be connected to work simultaneously, so that the connected extension rod does not lose the ratchet function during use and does not require personnel to prepare multiple types of screwdrivers in advance. This makes it easier for personnel to install and use.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model viewed from the front;

Figure 2 is a schematic three-dimensional structural diagram of the utility model's simple explosion;

Figure 3 is a schematic diagram of the three-dimensional structure of the overall explosion of the utility model;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 3 of the present invention;

Figure 5 is a schematic three-dimensional structural view of the toothed disc of the present invention from the side.

In the picture: 100. Plastic cover; 110. Plastic cover kink; 200. Handle; 210. Plastic cover interface; 300. Ratchet unit assembly; 310. Cylindrical pin; 320. Tension spring; 330. Pick; 340. Teeth 350. Steering knob; 351. Knob paddle range; 352. Inlaid into groove; 353. Steel ball; 354. Tightening spring; 360. Main connecting rod; 400. Connecting rod assembly; 410. Rubber-coated handle; 420. Long rod; 430, connector.

Implementation

Preferred embodiments of the present utility model will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

1-5, the utility model provides a dual-purpose interchangeable silent ratchet screwdriver, including a handle 200. One end of the outer wall of the handle 200 is provided with a plastic cover 100. The plastic cover 100 is provided to protect the handle 200. The opening is sealed, and a plastic cover interface 210 is provided at one end of the handle 200 away from the ratchet unit assembly 300. A plastic cover kink opening 110 is provided on the outer wall of the plastic cover 100 and at a position corresponding to the plastic cover interface 210. The plastic cover 100 passes through the plastic The cover kink port 110 is connected to the inner wall of the plastic cover interface 210. The plastic cover kink port 110 and the plastic cover interface 210 can be connected and fixed through a threaded connection. The end of the handle 200 away from the plastic cover body 100 is provided with a ratchet wrench assembly. The ratchet wrench assembly includes a ratchet unit assembly 300 and a connecting rod assembly 400. The ratchet unit assembly 300 includes a gear plate 340 and a steering knob 350. One side of the outer wall of the gear plate 340 is sleeved on the inner wall of the steering knob 350. The handle 200 is away from the plastic cover 100 One end of the steering knob 350 is sleeved with one side of the outer wall of the steering knob 350. A knob paddle section 351 is provided at the bottom end of the inner wall of the steering knob 350 and located inside the gear wheel 340. A paddle 330 is installed on the inner wall of the knob paddle section 351. The knob-pick section 351 is fixed to the outer wall of the pick 330, so that when the handle 200 drives the steering knob 350 to rotate, the steering knob 350 can drive the pick 330 to rotate together with the cylindrical pin 310, and the pick 330 is close to one end of the handle 200 Cylindrical pins 310 are installed. Multiple cylindrical pins 310 are arranged in an annular array. Two cylindrical pins 310 form a group. A spacer is provided between a group of cylindrical pins 310. The spacer is fixed to one side of the outer wall of the paddle 330. , a tension spring 320 is provided between two adjacent groups of cylindrical pins 310. The tension spring 320 is provided to push the cylindrical pin 310 outward, so that the cylindrical pin 310 can better resist the inner wall of the toothed disc 340. Then, the paddle 330 and the cylindrical pin 310 are both arranged on the inner wall of the toothed disc 340. Specifically, the inner wall of the toothed disc 340 is provided with an arc-shaped groove at a position corresponding to the cylindrical pin 310, so that the cylindrical pin 310 can better Contact with the inner wall of the toothed disc 340, so that when the paddle 330 drives the cylindrical pin 310 to rotate, the plurality of cylindrical pins 310 can play the role of limiting the toothed disc 340 in place of the pawls, so that the toothed disc 340 can only One side of the rotation is performed, and the cylindrical pin 310 is in contact with the arc-shaped groove, thereby reducing the noise generated by the rotation of the gear plate 340 and achieving a silent effect. At the same time, it is possible to repeatedly rotate the handle 200 without changing the position of the screwdriver. The steering knob 350 has an inlaid groove 352 at the side end of the outer wall and close to the handle 200. The inner wall of the inlaid groove 352 is inlaid with steel balls 353. The steel balls 353 are inlaid with A push-up spring 354 is connected to one side of the outer wall and away from the embedded groove 352. A circular groove is opened in the inner wall of the handle 200 at a position corresponding to the push-up spring 354. One end of the push-up spring 354 is in contact with the inner wall of the circular groove. The purpose of the steel ball 353 and the tightening spring 354 is to improve the twisting effect of the handle 200 on the outer wall of the steering knob 350. The outer wall of the handle 200 is fixedly connected to the outer wall of the steering knob 350. A through hole is provided at the center of the inner wall of the knob paddle section 351. , the inner wall of the through hole is provided with a main connecting rod 360, the outer wall of the main connecting rod 360 and one end close to the handle 200 passes through the paddle 330 and is connected to the center of one side of the outer wall of the gear plate 340, and the main connecting rod 360 is In order to enable the toothed plate 340 to drive the main connecting rod 360 to rotate when rotating, so that the main connecting rod 360 can drive the connecting rod assembly 400 to rotate;

The connecting rod assembly 400 is installed on the side of the ratchet unit assembly 300 away from the handle 200. The connecting rod assembly 400 includes a rubber-coated handle 410. The end of the main connecting rod 360 away from the gear plate 340 is at the center of the outer wall of the rubber-coated handle 410. , the end of the rubber-coated handle 410 away from the main connecting rod 360 is connected to a long rod 420, and the end of the long rod 420 away from the rubber-coated handle 410 is covered with a connector 430. The provided connector 430 can connect another set of long rods when needed. 420, thereby being able to extend the stroke length of the long rod 420 to facilitate personnel to unscrew the bolts.

The usage process of the utility model is as follows: first, when a person uses the device, he or she can confirm whether the long rod 420 needs to be extended according to the position of the bolts that have been unscrewed or installed. When necessary, the connector 430 can be removed and set on One end of the long rod 420 is then connected to the other end of the head 430 and a set of long rods 420 are set for extension. After completion, the personnel can align the long rod 420 with the bolt, and then rotate the handle 200, and the handle 200 will be It is fixed to the steering knob 350 and drives the steering knob 350 to rotate. When the steering knob 350 rotates, it will drive the paddle 330 to rotate through the knob paddle section 351. When the paddle 330 rotates, it will also drive the cylindrical pin 310 to rotate. The cylindrical pin 310 will drive the toothed disc 340 to rotate under the action of the tension spring 320, and because the cylindrical pin 310 abuts the arc-shaped groove on the inner wall of the toothed disc 340, the cylindrical pin 310 can rotate the toothed disc 340. The function of one-way positioning realizes the effect of repeatedly rotating the handle 200 without changing the position of the screwdriver, and only generates torque in a certain direction, thereby increasing the torque, and the toothed disc 340 will drive the main connecting rod 360 when rotating. Rotate, and the main connecting rod 360 can drive the rubber-coated handle 410 and the long rod 420 to rotate, thereby completing the disassembly of the bolt.

The above are only preferred embodiments of the present invention. Any person familiar with the art may use the above-described technical solutions to modify the present invention or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present utility model falls within the scope of protection claimed by the present utility model.

Claims (7)

1. The utility model provides a dual-purpose noiseless ratchet screwdriver that exchanges, includes handle (200), outer wall one end of handle (200) is provided with plastics lid (100), its characterized in that: one end of the handle (200) far away from the plastic cover body (100) is provided with a ratchet wrench assembly;

the ratchet wrench assembly comprises a ratchet unit assembly (300) and a connecting rod assembly (400), the ratchet unit assembly (300) comprises a fluted disc (340) and a steering knob (350), one side of the outer wall of the fluted disc (340) is sleeved on the inner wall of the steering knob (350), one end, far away from the plastic cover body (100), of the handle (200) is sleeved on one side of the outer wall of the steering knob (350), and the connecting rod assembly (400) is arranged on one side, far away from the handle (200), of the ratchet unit assembly (300).

2. The dual use interchangeable silent ratchet screwdriver of claim 1, wherein: the ratchet wheel unit is characterized in that a plastic cover interface (210) is formed at one end, far away from the ratchet wheel unit assembly (300), of the handle (200), a plastic cover kink opening (110) is formed in the outer wall of the plastic cover body (100) and at the position corresponding to the plastic cover interface (210), and the plastic cover body (100) is connected with the inner wall of the plastic cover interface (210) through the plastic cover kink opening (110).

3. The dual use interchangeable silent ratchet screwdriver of claim 1, wherein: the steering knob comprises a steering knob body (350), a knob pulling piece section (351) is arranged at the bottom end of the inner wall of the steering knob body and positioned on the inner side of a fluted disc (340), a pulling piece (330) is arranged on the inner wall of the knob pulling piece section (351), a cylindrical pin (310) is arranged at one end, close to a handle (200), of the pulling piece (330), and a plurality of the cylindrical pins (310) are arranged in a circular array mode.

4. A dual use interchangeable silent ratchet screwdriver according to claim 3, wherein: two cylindric locks (310) are a set of, a set of be provided with the spacer rod between cylindric lock (310), the spacer rod is fixed with outer wall one side of plectrum (330), all is provided with tension spring (320) between two adjacent cylindric locks (310), plectrum (330) and cylindric lock (310) all set up the inner wall at fluted disc (340).

5. The dual use interchangeable silent ratchet screwdriver of claim 4, wherein: the steering knob is characterized in that an embedded groove (352) is formed in the side end of the outer wall of the steering knob (350) and close to the handle (200), a steel ball (353) is embedded in the inner wall of the embedded groove (352), a tight pushing spring (354) is connected to one side of the outer wall of the steel ball (353) and far away from one end of the embedded groove (352), a round groove is formed in the position, corresponding to the tight pushing spring (354), of the inner wall of the handle (200), and one end of the tight pushing spring (354) is abutted to the inner wall of the round groove.

6. The dual use interchangeable silent ratchet screwdriver of claim 5, wherein: the knob plectrum is regional (351) inner wall center department has seted up the through-hole, the inner wall of through-hole is provided with main connecting rod (360), the one end that main connecting rod (360) outer wall and be close to handle (200) pass plectrum (330) and be connected with the outer wall one side center department of fluted disc (340), connecting rod subassembly (400) are including rubber coating handle (410), the one end that main connecting rod (360) kept away from fluted disc (340) all with the outer wall one side center department of rubber coating handle (410).

7. The dual use interchangeable silent ratchet screwdriver of claim 6, wherein: one end of the rubber coating handle (410) far away from the main connecting rod (360) is connected with a long rod (420), and one end of the long rod (420) far away from the rubber coating handle (410) is sleeved with a connector (430).