TW527267B - Screwdriver with changeable operation states - Google Patents

Abstract

A screwdriver with changeable operation states, comprising: a grip; a sliding groove provided in the grip and penetrating to a front end of the grip; a screwdriver rod with a rear end slidably penetrated into the sliding groove without detaching from the grip; a clutch mechanism provided between the screwdriver rod and the grip, the clutch mechanism being under a non-driven state to allow free rotation of the screwdriver rod in the grip; a dial, connected to the screwdriver rod to be dialed by hands. In operating the screwdriver to drive screws, the operator may dial the dial by fingers to rotate the screwdriver rod when the screw is in a loosen state. The operator may press the grip to cause the screwdriver rod to recede inwards causing the clutch mechanism to assume a state that may be driven when the screw is under a tightened state. As such, the grip may be changed to drive the screwdriver rod.

Description

527267 — V. Description of the invention (1) ^ ^ Ming is related to hand tools, in detail — “" Screwdrivers can be used in the process of rotating screws to change the operation mode of different screwdrivers. Ten pairs of screws are loosened and pressed tightly. The traditional screwdriver is a light giraffe. The user uses a traditional screwdriver to fix it on the handle. There is a ratchet screwdriver. Very convenient. Then the ratchet mechanism is connected and rotated in one direction ::: grip = ^ step between the sub-rods to drive the driver rod to rotate, and the other-direction rotation = the same rotation state by the ratchet mechanism, does not drive the driver. The handle is empty and can be turned in one direction, which is more convenient to operate. Yes, the turning handle is, however, the entire screw of a screw that has been used with a ratchet screwdriver is too light and thorny; . Gai, she is tired of ::; Son = is the two stages that can produce ratcheting "loose" and, | tight ", the ratchet type:;: 2: ί loose, when it has, it must be Screwdrivers with proper tightness produce ratchets After using the damping, ratcheting mechanism before they can effectively ς ,, i.e. screwdriver so that the lever handle to be appropriate in a temporal direction, and the ratchet action (beginning driver can rotate the main lever in the other direction). 'It will not drive the screwdriver rod to turn. When the screw is in a loose state, the ratchet mechanism will start to operate, the ratchet is dry, and the resistance of the text is not sufficient-the screwdriver does not have to be repeated'; child = ratchet action, and wire. Therefore, even a ratchet-type screw and a handle are not perfect in order to turn the screw. It can only be turned in the screw: screw: = Cheng, also 'τ, starting 爿 b produces an effective 527267 V. Description of the invention (2 ) Using the function, the screwdriver of the present invention ^ In this state, when the screwdriver rotates the screw. In order to achieve and cooperate with the drawings, the first diagram, the second diagram, the third diagram, the fourth diagram, and the fourth diagram, the fifth diagram of the turning piece card The sixth picture, the seventh picture, the eighth picture, the ninth picture, and the tenth picture. First, please compare one of (10) with the lever (30), _. Benefits. For the screw that is known as the state, when the screw loosens the screwdriver rod, turn the screw The preferred embodiment of the purpose and characteristics of the driver driving the driver lever is arranged as: a cross-sectional view. It shows the implementation state of the driver lever and the snap connection. The state of use. Shows that the clutch mechanism is engaged and cannot be used when the screw is "loose". Is to provide This kind of variable screwdriver has different operation methods. The user does not need to turn the handle. It can be changed from a certain tightness directly to a grip. The review committee can further understand the effect of the hair. The following are examples of the invention The detailed description is given later. Among them, the drawing is a partial enlarged view of the first drawing in the longitudinal direction of a preferred embodiment of the present invention. It is a cross-sectional view taken along line 3-3 of the second drawing. 4 is a cross-sectional view of the cross-section, and the state is connected. 'The other system shows the driver and the turning member. The other system shows the present invention in the first diagram. The longitudinal sectional view of the embodiment. It shows the engagement state of the clutch mechanism in the eighth figure. It is a sectional view of 0-10 in the ninth figure. See the first and second figures for the preferred embodiment of the screwdriver provided by the present invention. , Which mainly includes: a grip (20), a clutch mechanism (40), and a turning piece (50), where the above

527267 V. Description of the invention (4) Do not come out. The screwdriver lever (30) of this embodiment is provided with a stopper (34), which can stop at the convex annular positioning portion (24) provided on the inner wall of the slideway, and the stopper (34) can be integrally formed on The screwdriver contains: a stopper (3 5), a screwdriver, or a screwdriver with a square screwdriver threaded through the rear end of the slideway (22) (35). In this embodiment, the 5 screwdriver rod additionally covers the front end of the stopper (3 5) with a tight fit plug-in type, and is fixed to the rear end of the screwdriver rod, together with the middle; The clutch mechanism (40) is located in the slideway (22) and has a first tooth body (42), a second tooth body (44), and an elastic element (46). The two tooth body—

(4 2) (4 4), as shown in the third figure, in this embodiment, it is ring-shaped, and one end surface has a plurality of teeth arranged in a circle. The first tooth body (42) is fixed in the slideway (22) by integral molding or other fixing methods, and cannot be displaced; as shown in this embodiment, the tooth body (42) is fixed in The front end of the positioning part (24); the second tooth body (42) is also fixed to the rear end of the driver rod (30) in an integral molding or an appropriate manner, and can be moved with the driver rod; The teeth are facing each other. One end of the elastic element (46) is positioned in the slideway (22) (for example, it abuts against the positioning portion (24)), and the other end # is held against the rear end of the driver rod (30); in a normal state, The screwdriver rod is driven to slide outward by the pusher element, so that the two-tooth body (42) (44) does not mesh. The turning member (50) is a set of rings in this embodiment, and its buckle portion (5j) is buckled in a ring groove (26) at the front end of the grip (20), and can be rotated freely. Select the center of the turning member (50) and set a card hole (52) for the driver rod (30) to extend and stretch. XY makes the driver rod can slide in the card hole, and the card hole and the driver rod are in a locked state. As shown in the fourth figure, the driver shaft is provided with a plurality of convex portions (37), and;

527267 Five 'invention description (5) The hole (52) is provided with a plurality of recesses on the peripheral surface (54 乂) The turning piece (50) can also drive the turning piece (50) through the snap-fit of (54) (37) The engaging state of the rotating member and the driver rod can also be rotated as the fifth stem (30). The cross section of the shaft and the card hole (52, 2) of the dial (3 0 ') have multiple shapes: After the installation is completed, the structure is like the first deformed snap-in structure. The present invention is aimed at screws that are loose and tight, and can be different in shape. Screwdrivers with different operating methods. The screws designed by Mindguard 5 The screwdriver (10) is in the same state as the first. The clutch mechanism (40) is in the strong state of "Li", and the "Qing" shown in the second picture is not sprayed. Therefore, the clutch mechanism produces: In the state, the driver lever (30) is fastened to the slideway (22), which is suitable for operating the "loose" state of the screw. Users can: 2. At this time, hold the handle by the way (20), and turn it with your fingers: turn = so that you can turn the screwdriver lever (30) through the turning part and turn the screw :: 20), that is, small, so by turning the turning part which is Turn; the resistance of 14 must turn the palm, with fast, light and loose screws, but if the screws are in the "tight" state, 0t is in the way of turning the turning piece (50), = The user presses the grip (20) and makes the driver rod ⑼) to the slide ((子 =, this time as shown in the seventh figure, so that the two-toothed body (42) (44) is two, four (46) ) Is compressed. After the two-toothed body is fused: '=-is in the "combined" state, ▲ the relationship between transmission and transmission, then turn = screw: the clutch mechanism can be turned to rotate the screwdriver rod ⑽), thereby Turn, tight

Page 8 527267 V. Explanation of the invention (6) In the operation state of the seventh picture, the palm is a ether a〆, r S !! MT (U) ^ disengage, ==), method = grip After turning to an appropriate angle, the grip returns to the clutch in m in the seventh picture, and the structure is restored to the articulation relationship. You can turn the screw from the grip again: This will eventually change the clutch state of the clutch mechanism. ΐOutside 2: when the screw is tightened, the present invention can provide another-a kind of shaft can be pivoted to the end of the handle (20) with a shaft (56), in the state of the picture, when the palm with After turning the handle in one direction and lifting the 嘀 $ = displacement, the user can hold the turntable in the palm of the hand (5 ^ angle of rotation to turn the palm in the opposite direction, and the handle can be turned by the turntable to make the closing mechanism ( 40) Keep feeding ^, keep pressing and keep it still. Wait until the palm is turned properly = ;; :: If the rod is detached, the mechanism will be detached, and the operation will be faster. Another screwdriver (60) of the present invention has the same palladium as the first example. The screwdriver (80) is threaded through the handle (70) and the connection relationship: the screwdriver rod The catching part (丄 2 = :: 动 'protruding from the inside of the rear end makes the grip impossible by the driver's position (74). The fixed clutch mechanism (90) inside the shoulder surface is also connected to the lifter 527267. V. Description of the invention (7) A batch of secrets between the sub-rod (80) and the handle (70) shall be approved. # 丝丝 灿 ，，、 The driving handle of the driver and the handle is changed by 仏 — The driver is reversed, and the turntable (105) is pivoted at the end of the handle. The structural difference of this embodiment is that the second tooth guard of the clutch mechanism (90) is too small 4 μ μ , _Body (9 4) is integrally formed or fixed at the rear end of the driver (80), and there are many | | > Main $ entry to read the tenth figure, these teeth (941)俜 为 体 有 # Xi goes to a few mouths P, Jing cooperates with the Sun Temple at the Sunday,) Known as strip teeth, the axial direction of the two or two teeth outside the driver rod is parallel to the axial direction of the driver rod The first tooth body (92) is an integral or fixed body w body Γ〇ΟΛ ,, L-one sighed in the slideway (72), which has an inner hole U 3), >札 1 hole around the inner hole

Bar-shaped teeth, axially parallel to the screwdriver: == (921), these teeth are also pinned against the screwdriver rod (80) and are set to not be subjected to external forces. To keep the unsprayed bear under the action of the two-toothed knife. The turning member (100) in this embodiment is a sub-rod (80) or integrally formed on the driver. The pestle body, the teeth are inserted into the turntable (105). The ring groove (74) at the end of the handle provided at the front end is used to hold the 、, 彖, and 彖 (106) to hold the ^ τ, and can be Turn freely. In this example, in the eighth figure, you can move the turning part (〖0 0, and ΗΗ: A 'with your hand and proudly turn the part C100) and f move the driver (80). 〇Shi1 presses the handle (70) to move the driver rod (80) inwardly, and the engraving (94) penetrates into the first tooth body (92) ^ ^ 'Extremity, you ii ,, the clutch mechanism (9〇) That is, it is in the second strong position that can be driven. When the user rotates the handle, the user can turn the p-state. Mound, '糸

Page 10 527267 V. Description of the invention (8) In summary, the present invention provides a non-ratcheting screwdriver, which can be used to change the “n loose” state of the screw. 5 Different operation modes can be changed to improve the operation. The structure is simple, but it is different in tightness. 527267 The diagram is a simple illustration of the first movement of the present invention; The cross-sectional view of section 3 ~ 3. The fourth figure is the third picture of 4 ^ 4, but it includes the latching state of the door switch. The cross-section view of line σ shows the driver and the fifth picture shows the driver. The sixth picture shows the second implementation of the second turning piece of the present invention ^ The state of the card connection. 时 + mi, the state of use when the first picture. The state. The state of use is sad, the clutch mechanism is not engaged. A longitudinal sectional view of the preferred embodiment. Figure 9 shows the meshing state of the clutch mechanism in Figure 8. Brief description of the drawing number] Screwdriver (1 〇) (6 〇) Slide rail (22) (72) Pipe fittings (2 5) Driver (3 0) (8 0) Stop (34) (82) Convex (37) Tooth (4 2) (44) (92) (94) Dial (5 0) (1 0 0) Card hole (5 2) Turntable (55) (1 05) Tooth (92 1) (941) The tenth picture series Section 10-10 of the ninth figure. Grip (20) (70) Positioning part (24) (74) Ring groove (26) (74) Screwdriver head (32) Stopper (3 5) Clutch mechanism (40) (90) Elastic element (46) (96) Buckle portion (51) Recessed portion (54) Shaft portion (5 6) Convex ring (1 0 6)

Claims (1)

527267 1 · A screwdriver capable of changing the operation state, including: ^ grip; a slideway provided in the handle and passing through to the front end of the handle; the axial direction of the slideway is parallel to the longitudinal direction of the handle ; The rear end of the screwdriver rod is provided in the slideway, and can slide along the slideway without detaching from the handle, and the front end is outside the handle; ^: the clutch mechanism is connected to the screwdriver Between the lever and the grip, the clutch mechanism is in a non-driven state in the state of being suspended α, so that the grip cannot drive the driver lever, so that the driver lever can rotate freely in the grip; the driver lever is gripped = Internal displacement, the clutch mechanism can be driven, so that the handle can drive the driver rod; the dial is connected to the driver rod outside the handle, for manual rotation; ', ▲ In this way, when the clutch mechanism is in the non-driven state, the user must turn the turning member to rotate the driver; when the clutch mechanism is in the driving state, the user can turn the driver by the handle. 2 · The screwdriver according to item 1 of the scope of patent application, wherein: the coupling mechanism includes a first tooth body with a majority of teeth, which is fixed in the 忒 α track and cannot be displaced; a The second tooth body has a plurality of teeth and is fixed at the end of the driver rod; an elastic element is provided in the slideway, and The spring is to keep the driver rod from sliding outside the handle when it is not subjected to external force. '☆ Make S — the teeth do not engage with each other and form a state that cannot be driven. The driver rod = force is displaced into the slideway. At this time, the two tooth bodies can be meshed with each other, so that the ratchet gear can be driven. Machine 3. The screwdriver according to item 2 of the scope of patent application, wherein: ^ / 267 ^ / 267 VI. Patent Application Fanyuan ----------- Two-tooth system, g-slaves and q-doors ", each tooth is set on the end face facing the other tooth Most of the teeth are arranged in a circular arrangement. They are called ^ and 刈 teeth. The ^-^ screwdriver according to item 2 of the scope of the patent application, wherein: the body is concave inward at the end surface facing the second tooth body. Set / inner hole, the door hole of the rS # τ __ 浐 | You Xi " is parallel to the axial direction of the driver rod, and the inner wall of the inner hole is evenly spaced by a number of teeth, which are parallel to The axial direction of the inner hole; this version ^ / a circumferential surface is provided with a plurality of strip teeth, these strip teeth 1 shows 10 4 square squares 7 and less, the axis of the two-edge screwdriver rod; the The second tooth body must penetrate into the inner hole of the first tooth body, so that the two tooth bodies mesh with each other. Dial 5 Du screwdriver according to item 1 of the scope of patent application, wherein: the handle is wonderful The center of the knot is provided with a card hole, and the turning member is pivoted outside and can be rotated freely; the front end of the screwdriver rod is in the state of penetrating and extending from the card hole, and slides; the driver shaft and the card hole Present card 'Make the illegal turn to drive the driver. Card: π ttThe screwdriver described in the scope of the patent application No.5, 1 # · edge, the rod system of the driver is also polygonal. + Π 田 如 Application The screwdriver A Φ ^ described in item 5 of the patent scope is provided with the right box with the same QI 卞 on the peripheral surface of the card hole, with the middle of the concave portion provided with a predetermined number of convex neighbors; the peripheral surface of the shaft of the driver The convex part and the convex part and the concave part are mutually stuck at 0 m. The screwdriver jl φ described in item 1 of the scope of the patent application is a rod shape and is connected to the screw rod. The first 9 is provided by the screwdriver i as described in item 1 of patent patent No. 15 from the inner wall of the sliding cymbal, and the right one is 于, where the ^ L fx ^ position; the screw rod has a a stopper can stop at the # handle; Hu Youba has a stopper, the / position mouth P, so that the driver will not come off the slide. 527267 VI. Application scope of patent 10, as described in Item Q of the patent application, the screwdriver of i, screwdriver rod additionally contains:-stopper, connected to the screwdriver rod; the end is located in the slideway , · The stopper is set on the stopper. 11, The screwdriver according to item 9 of the scope of patent application, wherein: 詨 the stopper is provided on the shoulder surface at the rear end of the driver rod. 〇 〇 1 2 The screwdriver according to item 2 of the scope of patent application, in which one end of the f element is against a predetermined position in the slideway, and the other end is 抿 = the rear end of the side screw rod. 1 / The screwdriver according to item 2 of the scope of patent application, wherein: one end of the element is abutted to a predetermined position in the slideway, and the other end is anchored to the younger tooth body. 1 ^ 1 · The screwdriver according to item 4 of the scope of patent application, wherein: the one end of the green component is against the first tooth body, and the other end is against the screw rod. 1 5 · The screwdriver described in item 1 of the scope of patent application, which additionally includes a turntable, is pivotally mounted on the end of the handle and can be rotated freely. ^ 16 · The screwdriver according to item 15 of the scope of patent application, wherein: 忒 The center of the turntable is provided with a shaft portion, and the shaft portion is pivoted on the handle. 2 17 · The screwdriver according to item 15 of the scope of patent application, wherein: the front end of the turntable is provided with an annular flange; the peripheral surface of the rear end of the handle is provided with a ring groove; the convex ring is buckled in the Ring groove. 18. The screwdriver according to item 1 of the scope of patent application, wherein: the handle further includes a hard tube, embedded in the handle from the front end of the handle, and parallel to the axial direction of the handle; The slideway is lifted into the pipe. Page 15