TWM585691U - Screw locking assistance tool - Google Patents

Abstract

An auxiliary tool for locking screws includes at least one screwdriver and a screw guide sleeve. The aforementioned screwdriver is provided with a rod portion, a locking head is provided at one end of the rod portion, and a connecting portion is provided at the other end. The rod part is provided with a limit ring. The screw guide sleeve is provided with a through hole, and the screw guide sleeve is provided with a concave ring at the upper end of the through hole, and a convex ring is provided at the lower end of the through hole; A first elastic ring is provided, a second elastic ring is provided above the protruding ring, and a spring is provided above the second elastic ring; a trumpet-shaped slot is provided below the protruding ring. The hole system has the guiding effect of the screw head. In this way, the creative use of the innovative quick-release two-piece structure, through the quick-change screwdriver and screw guide sleeve structure, so that it can have the screw head positioning function and fixed-point screw guide and lock function, and in progress When a large number of screws are locked, it can be faster, more accurate, more efficient, and the manufacturing cost is lower, which has the best practicality and economic benefits.

Description

Lock screw auxiliary tool

This creation is an auxiliary tool for locking screws; in particular, it is an auxiliary tool that does not require the user's hand to hold the screw during the process of hand tool locking screws.

According to the various hand tools currently on the market, in the process of screwing, it mainly relies on the magnetism of the screwdriver to attract the screws to facilitate the screwing. However, the force of magnetic adsorption is relatively weak, and only a little shaking will cause the screws to fall off, and when stainless steel screws are used, the stainless steel screws cannot be magnetically adsorbed.

Furthermore, for example, Taiwan new patent No. M528841 "Screwdriver structure", which is mainly for improving the positioning and stability of the screwdriver and screw set at the output end of the power tool. A sleeve having a recessed groove at the front end thereof, and the tip of the screwdriver body protruding slightly from the groove portion. When the tip of the screwdriver body engages the groove of the screw head, the head of the screw It can correspond to the positioning of the screw in the groove, which can help the screwdriver to turn the screw smoothly.

However, although this screwdriver structure can solve the problem that general magnetic screwdrivers cannot attract stainless steel screws, the locking of fixed-point screws (that is, screws set at a certain point and then hand tool locking) is very easy to operate, and When a user takes a hand tool with a certain weight, the screwdriver structure is very difficult to align the recessed grooves on the head of the screw and lock the fixed screws one by one.

For this reason, the author has accumulated many years of manufacturing and R & D experience in screws and related tools and equipment, and improved the problems existing in the front hand tool lock screw auxiliary tool to improve the problem, and created this case.

The purpose of this creation is to provide an innovative auxiliary tool for locking screws for hand tools, which consists of a two-piece structure with quick-release and quick-displacement functions, and also has a screw head The positioning function and fixed-point screw-guided locking function make hand tools faster, more accurate, and more efficient when a large number of screws are locked.

The lock screw auxiliary tool of this creation includes at least one screwdriver and a screw guide sleeve; the aforementioned screwdriver is provided with a rod portion, a lock head is provided at one end of the rod portion, and a connection portion is provided at the other end. A limiting ring is provided on the rod portion of the screwdriver. The screw guide sleeve is provided with a through hole, and the through hole is provided in accordance with the outer diameter of the rod portion of the screw driver, so that the screw driver can be inserted into the screw guide sleeve and can be inserted in the screw guide sleeve. The barrel can move in and out freely; a recessed ring is arranged on the upper end of the through hole and a convex ring is set on the lower end of the through hole; a first elastic ring is set inside the recessed ring The inner diameter of the first elastic ring is larger than the outer diameter of the rod portion of the screwdriver and smaller than the outer diameter of the stop ring surrounding the screwdriver; a second elastic ring is provided above the protruding ring, and A spring is arranged above the second elastic ring; the inner diameter of the protruding ring, the second elastic ring and the spring are all larger than the outer diameter of the shaft of the screwdriver, and the inner diameter of the spring is smaller than the limit of the screwdriver The outer diameter of the retaining ring, the inner diameter of the second elastic ring is smaller than the inner diameter of the protruding ring; a bell-shaped slot is provided below the protruding ring, and the bell-shaped slot has a screw head Ministry of guidance effect.

The lock screw auxiliary tool of this creation can restrict the limit ring of the screwdriver through the aforementioned first elastic ring, prevent the screwdriver from coming out of the screw guide sleeve, and use the elasticity of the first elastic ring when used. When you pull the screwdriver in the screw guide sleeve a little harder, you can pull out the screwdriver in the screw guide sleeve to replace other types of screwdrivers or screw guide sleeves that meet other screw specifications to achieve Quick release and quick replacement screwdriver and screw guide sleeve. Moreover, when the head of the screw enters the protruding ring of the screw guide sleeve, the head of the screw can be slightly clamped through the second elastic ring to prevent the screw inserted into the screw guide sleeve from falling off.

The auxiliary tool for the locking screw of this creation, wherein a first stop ring must be provided between the second elastic ring and the spring, and a second stop ring must be provided above the spring. The protruding ring, the second elastic ring, the first The inner diameter of one stop ring, the spring and the second stop ring are larger than the outer diameter of the rod part of the screwdriver, and the inner diameter of the second stop ring is smaller than the outer diameter of the stop ring of the screwdriver. ; In this way, the rod portion of the screwdriver can pass through the protruding ring, the second elastic ring, the first stop ring, the spring and the second stop ring, and pass through the stop ring and the screw guide of the screw driver. The protruding sleeve of the guide sleeve holds the spring together, so that the screwdriver can pressurize and elastically return to move relative to each other in the screw guide sleeve.

In order to further understand this creation, the best implementation of the lock screw auxiliary tool, as shown in Figures 1 to 5, includes at least:

A screwdriver 1 is provided with a rod portion 10, and a lock head 11 is provided at one end of the rod portion 10, and a connection portion 12 is provided at the other end. In this way, the connection portion 12 of the screwdriver 1 can be combined with the hand tool A, and The locking head 11 of the screwdriver 1 is combined with the head groove of the screw B to perform the locking operation of the screw B. The rod portion 10 of the aforementioned screwdriver 1 is provided with a limiting ring 13.

The screw guide sleeve 2 is provided with a penetrating hole 20 which is provided in accordance with the outer diameter of the rod portion 10 of the aforementioned screwdriver 1 so that the aforementioned screwdriver 1 can be inserted into the screw guide sleeve 2. It can move freely in and out of the screw guide sleeve 2. The screw guide sleeve 2 is provided with a concave ring 21 at the upper end of the through hole 20 and a convex ring 22 is provided at the lower end of the through hole 20; a first elastic ring is provided in the concave ring 21. 23. The inner diameter of the first elastic ring 23 is larger than the outer diameter of the rod portion 10 of the aforementioned screwdriver 1 and smaller than the outer diameter of the stop ring surrounding 13 of the aforementioned screwdriver 1, so that the first elastic ring can be passed through 23 to limit the limit ring 13 of the screwdriver 1, to prevent the screwdriver 1 from coming out of the screw guide sleeve 2, and using the elasticity of the first elastic ring 23, when the user pulls the screw guide sleeve slightly harder When the screwdriver 1 in 2 is used, the screwdriver 1 in the screw guide sleeve 2 can be pulled out to replace another type of screwdriver 1 or a screw guide sleeve 2 that meets other screw specifications to achieve quick release and quick Replace the effect of screwdriver 1 and screw guide sleeve 2.

A second elastic ring 24 is provided above the protruding ring 22, and a first stop ring 25 is provided above the second elastic ring 24. A spring 26 is provided above the first stop ring 25, and a first stop ring 25 is provided above the spring 26. Two stop rings 27; the inner diameters of the protruding ring 22, the second elastic ring 24, the first stop ring 25, the spring 26 and the second stop ring 27 are larger than the outside of the rod portion 10 of the screwdriver 1 And the inner diameter of the second stop ring 27 is smaller than the outer diameter of the stop ring 13 of the screwdriver 1, so that the rod portion 10 of the screwdriver 1 can pass through the protruding ring 22, the first The two elastic rings 24, the first stop ring 25, the spring 26 and the second stop ring 27 are clamped together through the limit ring 13 of the screwdriver 1 and the protruding ring 22 of the screw guide sleeve 2. The spring 26 is held so that the screwdriver 1 can perform pressure movement and elastic reset movement relative to each other in the screw guide sleeve 2. The inner diameter of the second elastic ring 24 is smaller than the inner diameter of the protruding ring 22, so that when the head of the screw B enters the protruding ring 22, the screw can be slightly clamped through the second elastic ring 24 The head of B prevents the screw B inserted into the screw guide sleeve 2 from falling off. The first elastic ring 23 and the second elastic ring 24 may be made of elastic materials such as rubber and plastic, and the first stop ring 25 and the second stop ring 27 may be made of metal, wood chip, plastic, etc. Made of high material, so that the spring 26 can stably perform compression and reset movements; of course, this creation can also be provided without the aforementioned first stop ring 25 and second stop ring 27, as long as it does not affect the use of the spring 26 .

Below the protruding ring 22, a flared slot 28 is provided. The flared slot 28 has a guide effect of a screw head. When the flared slot 28 of the screw guide sleeve 2 is inserted into a When screwing B, the trumpet-shaped slot 28 will gradually guide the head of screw B to the center of screw guide sleeve 2 to move the locking head 11 of the pressurized screwdriver 1 downward. Accurately align the groove on the head of screw B, and quickly perform screw B locking operation.

As shown in Figures 4 and 5, when the user uses the auxiliary screw tool of this creation, it first combines the connection part 12 of the screwdriver 1 with the hand tool A. The user can choose to place the screws B one by one according to the needs. Enter the positioning screw guide sleeve 2 and then perform the screwing operation of the screw-assisted locking screw auxiliary tool; or you can directly lock the locking screw auxiliary tool one by one (as shown in Figure 4). Nothing. The advantage of this creation is that the screw guide sleeve 2 can quickly and accurately guide the screw B to the center position of the screw guide sleeve 2 no matter what kind of screwing operation is to be performed, which is convenient for the screwdriver 1 to lock. The head 11 is combined with the screw B, and the screw is quickly locked into the object; moreover, when the user removes the screw B in the object in the reverse direction, the head of the reversely removed screw B will be finally screwed The second elastic ring 24 of the guide sleeve 2 is slightly clamped, and the screw B thus taken out will not fall randomly around the object, which facilitates the recovery of the screw B. In addition, as shown in Figures 4 and 5, the user can also directly observe whether the bottom of the screw guide sleeve 2 and the surface of the object are flat and flat when performing the locking screw operation, so that the screw locking can be performed very accurately and There will be no crooked screws.

To sum up, the lock screw auxiliary tool of this creation uses the quick-release two-piece structure of the screwdriver 1 and the screw guide sleeve 2 so that it can have the screw head positioning function and the fixed-point screw guide and lock function. In addition, it can be more fast, accurate, and efficient when a large number of screw locks are performed, and the manufacturing cost is low. It has the best practicability and economic benefits, and is the composition of this case.

The foregoing embodiments or drawings do not limit the form or use of the creation, and any appropriate changes or modifications of persons with ordinary knowledge in the technical field should be deemed to not depart from the patent scope of the creation.

1‧‧‧ screwdriver

10‧‧‧ Rod

11‧‧‧ lock head

12‧‧‧ Connection Department

13‧‧‧ limit ring

2‧‧‧Screw guide sleeve

20‧‧‧through hole

21‧‧‧ recessed

22‧‧‧ protruding from the ring

23‧‧‧first elastic ring

24‧‧‧Second elastic ring

25‧‧‧First stop ring

26‧‧‧Spring

27‧‧‧Second stop ring

28‧‧‧ flared slot

A‧‧‧hand tools

B‧‧‧screw

Figure 1 is a top view of this creation. Fig. 2 is a cross-sectional view of a portion A-A in Fig. 1. Figure 3 is an exploded view of this creation. FIG. 4 is a first schematic diagram of the screw locking operation of this creation. FIG. 5 is a second schematic diagram of the screw locking operation of this creation.

Claims (6)

An auxiliary tool for locking a screw includes at least: a screwdriver, a rod part is provided, a locking head is provided at one end of the rod part, and a connecting part is provided at the other end, and a limiting ring is provided for the rod part of the screwdriver; The screw guide sleeve is provided with a through-hole, and the through-hole is provided in accordance with the outer diameter of the rod portion of the screwdriver, so that the screwdriver can pass through the screw guide sleeve, and can be inserted in the screw guide sleeve. The barrel can move in and out freely; a recessed ring is arranged on the upper end of the through hole and a convex ring is set on the lower end of the through hole; a first elastic ring is set inside the recessed ring The inner diameter of the first elastic ring is larger than the outer diameter of the rod portion of the screwdriver and smaller than the outer diameter of the stop ring surrounding the screwdriver; a spring is arranged above the protruding ring, and the protruding ring is The inner diameter of the outer ring and the spring are larger than the outer diameter of the rod part of the screwdriver, and the inner diameter of the spring is smaller than the outer diameter of the limit ring of the screwdriver; a trumpet-like shape is provided below the protruding ring. Slot, the trumpet Holes having a screw head of the guiding effect. The lock screw auxiliary tool according to item 1 of the scope of patent application, wherein a second elastic ring is provided above the protruding ring and between the spring, and the inner diameter of the second elastic ring is larger than the rod portion of the screwdriver. The outer diameter of the second elastic ring is smaller than the inner diameter of the protruding ring. The lock screw auxiliary tool according to item 2 of the scope of the patent application, wherein a first stop ring is provided between the second elastic ring and the spring, and a second stop ring is provided above the spring, and the protruding ring surrounds The inner diameters of the second elastic ring, the first stop ring, the spring and the second stop ring are larger than the outer diameter of the rod part of the screwdriver, and the inner diameter of the second stop ring is smaller than that of the screwdriver. The outer diameter of the stop ring; in this way, the rod portion of the screwdriver can pass through the protruding ring, the second elastic ring, the first stop ring, the spring and the second stop ring, and pass through the screwdriver. The limit ring and the protruding ring of the screw guide sleeve hold the spring together, so that the screwdriver can pressurize and elastically move in the screw guide sleeve relative to each other. According to the lock screw auxiliary tool according to item 1 of the patent application scope, the first elastic ring is made of rubber. The lock screw auxiliary tool according to item 2 of the scope of patent application, wherein the first elastic ring and the second elastic ring are made of rubber. The lock screw auxiliary tool according to item 3 of the scope of patent application, wherein the first stop ring and the second stop ring are made of metal.