TWI387539B - Car wheel lock nuts the protective cover of the protective tool - Google Patents

Description

Extraction tool for protective cover of automobile rim lock nut

The invention relates to a special tool for automobile repairing, in particular, a drawing tool for a protective cover of a car rim locking nut, which is used for removing a nut for locking a car rim. protection cap.

After the automobile rim is installed, a protective cover for the cap is often placed on the outside of the nut for locking the rim, and the protective cover is formed to protect the outside from rain, snow and the like. The nut is rusted, which may cause the nut to be unscrewed when the rim is to be disassembled in the future.

A conventional method for removing the protective cover that is sleeved on the outside of the nut is mainly performed by a needle-nosed pliers or a similar pin-shaped hand tool, and the protective cover is clamped by the jaw portion of the aforementioned clamp tool. The outer circumference is pulled outwardly to release the protective cover from the nut. Such unloading operations are not easy and time consuming, and the outer portion of the protective cover is easily damaged by the clamping of the jaws.

In order to facilitate the unloading operation of the aforementioned protective cover, the inventors of the present invention actively carried out research and development, and the present invention which is innovative and highly industrially produced is produced.

The main object of the present invention is to provide an extraction tool for a protective cover for an automobile rim lock nut, which can effectively and quickly remove the protective cover.

In order to achieve the foregoing object, the present invention is an extraction tool for a protective cover for an automobile rim lock nut, comprising an elongated body, a limit ring, a sliding sleeve and three hooks, wherein the limit ring is sleeved on the a front end of the body, the cavity is hollow to form a chamber, the chamber is inserted through the central axis of the body, and the chamber is pivoted at a rear end of the body, and the chamber is formed to open to the front end of the body. The sliding sleeve is sleeved on the tubular body of the middle portion of the body, and the sliding sleeve is reciprocally displaced along the axial direction of the body, and the limiting ring is formed to limit the sliding sleeve, and the sliding sleeve is positioned for the sliding body. The restriction ring is provided with three passages, and the hooks are formed by elastic sheets. The middle portions of the claws are respectively axially penetrated through the respective passages, and the depth of the passages along the radial direction of the restriction ring is greater than the thickness of the hooks. The rear ends of the hooks respectively extend between the sliding sleeve and the body, and the ends thereof are bent to form a tongue embedded in the body, and the front end of the claw is bent toward the central axis of the body. a hook to make the hook on the tongue The portion between the limiting rings is a movable section, and the movable section is inclined along the length of the raft to the outer surface of the raft, so that the sliding sleeve forces the movable section to elastically move toward the surface of the raft, The hook claws are hooked on the protective cover of the automobile wheel lock nut by the hook portion thereof, and the protective cover is taken out to pick up the operator.

The features of the present invention, as well as the objects and advantages thereof, are further fully described, and the preferred embodiments are described in detail with reference to the drawings.

The first figure is a perspective view of a first embodiment of the present invention.

The second drawing is a front view of the first embodiment of the present invention.

The third figure is a cross-sectional view of 3-3 of the second figure.

The fourth figure is a cross-sectional view of 4-4 of the third figure.

The fifth drawing is a schematic view (1) of the use state of the first embodiment of the present invention.

Fig. 6 is a schematic view showing the state of use of the first embodiment of the present invention (2).

The seventh drawing is a schematic diagram (3) of the use state of the first embodiment of the present invention.

The eighth figure is a perspective view of a second embodiment of the present invention.

The ninth diagram is a partially enlarged detail view of the eighth block of the reverse stop component.

Figure 11 is a schematic axial cross-sectional view showing a second embodiment of the present invention.

The eleventh drawing is a schematic view showing the state of use of the second embodiment of the present invention.

Figure 12 is a perspective view of a third embodiment of the present invention.

As shown in the first, second and third figures, the first embodiment of the extraction tool for the protective cover of the automobile wheel lock nut comprises an elongated body (10), a limit ring (20) and a slide. The sleeve (30) and the at least three claws (40), wherein the limiting ring (20) is sleeved on the front end of the body (10), and the rear end of the body (10) extends to the outside of the two sides to form two grips (11) In order to improve the convenience of holding the body (10), the inside of the body (10) is hollow to form a chamber (12) extending through the central axis of the body (10), and the chamber ( 12) A cover (13) is pivotally disposed on the rear end of the body (10), and the chamber (12) is open to the outside of the front end of the body (10). (30) a tubular body that is looped over the middle portion of the body (10), and the sliding sleeve (30) is reciprocally displaced along the axial direction of the body (10), and the limiting ring (20) is used for the sliding sleeve (30) The front end of the displacement path defines a limit for the sliding sleeve (30) for positioning the sliding sleeve (30) on the body (10), and the outer circumference of the sliding sleeve (30) forms a plurality of annular concave lines ( 32), for improving the reliability of the grip and the reciprocating displacement of the sliding sleeve (30), please cooperate As shown in the fourth figure, the sliding sleeve (30) forms three arcuate flanges (34) at the inner edge of the front end, and a gap (36) is formed between the arcuate flanges (34), respectively. The sleeve (30) forms a loop edge (38) on the inner edge of the rear end, and the inner edges of the flanges (34) and the loop edge (38) are adjacent to the outer edge surface of the body (10), thereby positioning the slip The sleeve (30) is in a coaxial state with the body (10) to prevent lateral sliding of the sleeve (30).

The limiting ring (20) defines three passages (22), wherein the claws (40) are formed by elastic sheets, and the middle portions of the claws (40) are axially respectively disposed in the respective passages (22), and the The depth of the passage (22) along the limit ring (20) is greater than the thickness of the hook (40), and the rear ends of the hooks (40) respectively extend through the slots (36) to the sleeve (30) and Between the body (10), the end is bent to form a tongue (42) embedded in the body (10) for positioning the claw (40), the front end of the claw (40) is oriented toward the center axis of the body (10) The hook is formed into a hook portion (44) such that a portion of the hook (40) between the tongue (42) and the limit ring (20) is a movable section (46) along the length of the movable section (46) The direction of the body is inclined with the outer peripheral surface of the body (10). When the sliding sleeve (30) is displaced in the direction of the limiting ring (20), the sliding sleeve (30) forces the movable section (46) to The surface of the body (10) is elastically moved, and the hooks (40) are hooked by the hook portions (44) to cover the protective cover of the automobile wheel lock nut.

Referring to the first to seventh figures, when the protective cover (94) of the automobile wheel lock nut (92) is taken out by using the first embodiment of the present invention, first, the sliding sleeve (30) is directed to the body. (10) sliding in the rear end direction, the respective claws (40) are radially outwardly expanded; and then, the front end of the extraction tool is directed toward the protective cover (94), and the extraction tool is moved toward the protective cover (94) so that The hooks (44) enter a gap between the outer circumference of the protective cover (94) and the rim (90) (as shown in FIG. 5); the hook (44) passes through the outer periphery of the protective cover (94) When the protective cover (94) enters the space in the inner direction of the rim (90), the sliding sleeve (30) is operated to slide the sliding sleeve (30) toward the limiting ring (20). At this time, the sliding The sleeve (30) presses the movable section (46) to force the movable section (46) to abut against the outer surface of the body (10), whereby the hooks (44) of the respective claws (40) are radially inward Forming a converging state, and hooking the end surface of the protective cover (94) adjacent to the inner direction of the rim (90) (as shown in FIG. 6); and thereafter, holding the sliding sleeve (30) and the limiting ring (20) In the adjacent state, the extraction tool is axially displaced rearward along the protective sleeve (94) The protective sleeve (94) can be pulled outward by the hook (40) to be disengaged from the locking nut (92), and the protective cover (94) is removed, and the protective cover (94) is removed. a space between the hooks (40), and the outer circumference thereof is stopped by the three hooks (40), and does not fall outside, avoiding the loss of the protective cover (94); and then repeating the foregoing operation The removal cover can be used to remove the protective cover that is sleeved on the other locking nut, and the subsequently removed protective cover (94) gradually pushes the previously removed protective cover (94) into the chamber (12), waiting for the same round. After the plurality of protective covers (94) installed in the ring (90) are all removed, the cover (13) is removed, and the protective cover (94) is poured out from the rear end of the chamber (12). (as shown in the seventh figure).

Accordingly, the present invention can effectively and quickly remove the protective cover that is sleeved on the outside of the locking nut, and the hook (40) is hooked by the end of the hook (44) during the pulling operation. Hooking the peripheral portion of the end face of the protective cover does not cause damage to the protective cover.

The foregoing first embodiment is a second embodiment of the present invention with a slight change, and the same portions will not be described again; as shown in the eighth to tenth embodiments, the second embodiment of the present invention further includes a plurality of backstop elements (50). The backstop element (50) is disposed at an end surface of the limiting ring (20) adjacent to the front end of the body (10), and the backstop members (50) are respectively disposed on two adjacent hooks (40) Between the backstop element (50), a backstop portion (52) extends obliquely toward the inner direction of the chamber (12), and the backstop portion (52) is formed of a flexible wire, so as to enter The protective cover of the chamber (12) forms a restriction to prevent the protective cover from slipping out from the front end opening of the chamber (12), thereby improving the convenience of the removal operation of the protective cover.

As shown in the eighth to eleventh drawings, when the second embodiment of the present invention continuously performs the extraction operation of the plurality of protective covers (94), the subsequently removed protective cover (94) gradually ejects the previously removed protective cover (94). Pushing the chamber (12), at this time, due to the spatial pattern of the backstop portion (52) extending obliquely toward the inside of the chamber (12) and the material elasticity of the backstop portion (52), the protective cover (94) forcing the backstop (52) to elastically deform toward the inner peripheral wall of the chamber (12), thereby entering the chamber (12), and the protective cover (94) is displaced into the chamber (12) Internally, the lateral compression of the backstop (52) is released, and the backstop (52) returns to the initial state by the material elasticity thereof. At this time, the backstop (52) is to the chamber (12). The inner protective cover (94) forms a stop, and the protective cover (94) cannot be slid out of the chamber (12), thereby improving the convenience of performing the removal of the protective cover.

Furthermore, as shown in the eighth to tenth views, the limiting ring (20) is provided with the plurality of docking seats (24) at the end faces of the respective backstop members (50), and the two sockets (24) are paired with each other. There is a shaft (26), and the two ends of the shaft (26) are respectively embedded in the sockets (24), and the backstop element (50) has a set of rings (54) and the backstop (52). The first rod (26) is sleeved by the ferrule (54), and the cockroach is set to position the backstop element (50) to the limit ring (20).

The foregoing first embodiment is a third embodiment of the present invention with a slight change, and the same portions will not be described again; as shown in the twelfth embodiment, the third embodiment of the present invention has a peripheral ring (10) outer peripheral ring convex stop. a portion (14), and the sliding sleeve (30) is disposed between the stopping portion (14) and the limiting ring (20) so as to be behind the sliding sleeve (30) by the stopping portion (14) The sliding sleeve (30) forms a stop to prevent the sliding sleeve (30) from being excessively displaced, thereby causing the rear end of the claw (40) to be exposed, thereby maintaining the covering restriction of the sliding sleeve (30) on the rear end of the claw (40), To improve the reliability of positioning the rear end of the claw (40).

According to the foregoing, the protective cover of the automobile rim locking nut can be easily and quickly extracted by using the invention. The invention can fully satisfy the intended purpose and has good efficacy by using the first invention, and before the application of the invention I have never seen it in the open, and I have the statutory requirements for invention patents. I have applied for it according to law and I am kindly requested to give the patent as soon as possible.

(10). . . Carcass

(11). . . Grip

(12). . . Room

(13). . . Cover

(14). . . Stop

(20). . . Limit ring

(twenty two). . . aisle

(twenty four). . . Seat

(26). . . Shaft

(30). . . Sleeve

(32). . . Concave

(34). . . Flange

(36). . . Channel

(38). . . Ring

(40). . . Claw

(42). . . Tongue

(44). . . Hook

(46). . . Activity segment

(50). . . Backstop element

(52). . . Backstop

(54). . . Ferrule

(90). . . Rim

(92). . . Locking nut

(94). . . protection cap

The first figure is a perspective view of a first embodiment of the present invention.

The second drawing is a front view of the first embodiment of the present invention.

The third figure is a cross-sectional view of 3-3 of the second figure.

The fourth figure is a cross-sectional view of 4-4 of the third figure.

The fifth drawing is a schematic view (1) of the use state of the first embodiment of the present invention.

Fig. 6 is a schematic view showing the state of use of the first embodiment of the present invention (2).

The seventh drawing is a schematic diagram (3) of the use state of the first embodiment of the present invention.

The eighth figure is a perspective view of a second embodiment of the present invention.

The ninth diagram is a partially enlarged detail view of the eighth block of the reverse stop component.

Figure 11 is a schematic axial cross-sectional view showing a second embodiment of the present invention.

The eleventh drawing is a schematic view showing the state of use of the second embodiment of the present invention.

Figure 12 is a perspective view of a third embodiment of the present invention.

(10). . . Carcass

(11). . . Grip

(12). . . Room

(13). . . Cover

(20). . . Limit ring

(twenty two). . . aisle

(30). . . Sleeve

(32). . . Concave

(40). . . Claw

(44). . . Hook

(46). . . Activity segment

Claims (11)

The utility model relates to a drawing tool for a protective cover of an automobile rim locking nut, which comprises an elongated body, a limiting ring, a sliding sleeve and three hooks, wherein the limiting ring is sleeved on the front end of the body, and the inside of the body is hollow. a chamber extending through the central axis of the body, and the chamber is pivoted at a rear end of the body, and the chamber is open to the front end of the body, and the sleeve is sleeved in the middle of the body Part of the tubular body, the sliding sleeve is reciprocally displaced along the axial direction of the body, and the restricting ring is formed to limit the sliding sleeve for positioning the sliding sleeve on the body; the limiting ring defines three passages. The hook-shaped elastic sheet is formed by axially extending through the respective aisles, and the depth of the passage along the radial direction of the limiting ring is greater than the thickness of the hook, and the rear ends of the hooks respectively extend Between the sliding sleeve and the body, and the end thereof is bent to form a tongue embedded in the body for positioning the hook, the front end of the hook is bent toward the central axis of the body to form a hook, and the hook is inserted into the body The part between the tongue and the limit ring is the active section The movable section is inclined along the length of the movable body and the outer peripheral surface of the weir, so that the sliding sleeve forces the movable section to elastically move toward the surface of the body, and the hooks are hooked by the hooks. Protective cover for car rim lock nut. The extraction tool for the protective cover of the automobile rim lock nut according to claim 1, further comprising a plurality of backstop members, wherein the backstop member is disposed on the limit ring, the backstop member is A backrest portion is obliquely extended in the direction of the interior of the chamber, and the backstop portion is formed by a resilient wire, thereby forming a restriction on the protective cover entering the chamber, preventing the protective cover from sliding from the front end of the chamber Out. The extraction tool for the protective cover of the automobile rim lock nut according to the second aspect of the invention, wherein the backstop element is disposed at an end face of the limit ring adjacent to the front end of the body. The extraction tool for the protective cover of the automobile rim lock nut according to the second or the third aspect of the patent application, wherein the limit ring protrudes from the end face with a plurality of docking seats, and the two sockets are paired with each other A shaft is disposed, the backstop element further comprises a sleeve connected to the backstop, the shaft is sleeved by the collar, and the set is disposed at the limit ring. The extraction tool for the protective cover of the automobile rim lock nut according to the fourth aspect of the invention, wherein the two ends of the shaft are respectively embedded in the respective sockets. The picking tool for the protective cover of the automobile rim lock nut according to the second aspect of the invention, wherein the backstop members are respectively disposed between two adjacent hooks. The extraction tool for the protective cover of the automobile rim lock nut according to the first aspect of the invention, wherein the chamber is pivoted at a rear end of the body. An extraction tool for a protective cover for an automobile rim lock nut according to claim 1, wherein the sliding sleeve forms three arcuate flanges at an inner edge of the front end, and between the curved flanges Forming a gap, respectively, the rear ends of the claws respectively extending between the sliding sleeve and the body through the respective channels, the sliding sleeve forming a ring edge at the inner edge of the rear end, the flange and the inner edge of the ring edge The outer surface of the crucible is adjacent to each other, and the sliding sleeve is positioned to be coaxial with the crucible to prevent lateral slippage of the sliding sleeve. The extraction tool for the protective cover of the automobile rim lock nut according to the first or the eighth aspect of the patent application, wherein the outer circumference of the sliding sleeve forms a plurality of tracks Annular groove. The extraction tool for the protective cover of the automobile rim lock nut according to the first aspect of the invention, wherein the rear end of the mortise body extends to the outside of the two sides to form two grip portions. The extraction tool for the protective cover of the automobile rim lock nut according to the first aspect of the invention, wherein the outer peripheral ring of the cymbal protrudes a stop portion, and the sliding sleeve is defined between the stop portion and the limit ring. A stop is formed on the sliding sleeve by the stopping portion at the rear of the sliding sleeve.