TWM604260U - Strap wrench - Google Patents

Abstract

This creation is about a strap wrench, which includes: a handle, a belt and an actuator. The handle has a movable space inside, a front opening and a rear opening, which are arranged in front and rear of the handle, respectively. The movable space is connected; one end of the belt is a fixed end, which is fixed on the handle, and the other end is a movable end, which extends in the movable space and then passes out of the rear opening. The movable end of the belt can be adjusted in length, The belt has an adjustable socket part, which is located outside the front opening of the handle and can cover the object to be rotated; the actuator is pivoted in the movable space, and the contact end extends out of the front opening. When the wrench is pulled, the contact end of the actuator abuts the socket part, and the bottom of the actuator abuts the belt, achieving the effect of firmly tightening the belt and tightening the object to be rotated, which is conducive to the rotation of the strap wrench The object to be rotated.

Description

Strap wrench

This creation is about a disassembly tool, in detail, it refers to a strap wrench, which is easy to operate and convenient to use.

Press, the oil filter element is used to filter the impurities in the oil. It is a necessary part of the vehicle. Because the impurities will accumulate in the filter element, the oil filter element needs to be replaced regularly; the existing tool for removing the oil filter element is a strap wrench, which includes ：A handle, one end of the handle is pivotally connected to a buckle; a belt, one end of which is fixed to the buckle, and the other end passes through a through hole of the buckle, so that the belt forms a socket It can be sleeved on the outer circumference of an oil filter element. After the belt passes through the through hole, the user can change the size of the sleeve by pulling the belt by hand, so that it can be used for oil filter elements of different sizes. When you want to remove the oil filter element, first use the sleeve to cover the outer circumference of the oil filter element, then tie the belt tensioning ring around the oil filter element, and then turn the handle to rotate the oil filter element to remove and install the oil filter element. However, the belt of the conventional strap wrench passes through the socket part formed by the through hole and cannot firmly tighten the oil filter element. When turning the handle to rotate the oil filter element, the operator’s Hands must hold the belt at the same time to prevent the belt from slipping off, making the operation quite unsmooth and inconvenient.

How to improve the disadvantages of the conventional strap wrench that cannot securely tighten the oil filter element and the unsmooth operation is the goal that the industry must work hard to develop and solve.

The main purpose of this creation is to provide a strap wrench, which is suitable for any size and shape of the object to be rotated. The socket part can be manually adjusted and the object to be rotated can be firmly tightened. The operation is easy and the use is more convenient. .

The strap wrench provided by this creation includes: A handle having a front opening, a rear opening and a movable space in the handle, the front opening is provided at the front end of the handle, the rear opening is provided at the rear end of the handle, the front opening and The rear opening is connected to the activity space respectively; A belt, one end of which is a fixed end, is fixed to the handle, and the other end is a movable end, which extends into the movable space from the front opening and then extends to the rear opening. The belt is exposed to the grip A part of the front end of the handle is looped to form a socket; an actuating element is pivotally arranged in the movable space rotatably, the actuating element has an abutting end and a contacting end, the abutting end is located in the movable space Inside, the contact end protrudes from the front opening and is adjacent to the socket part; the bottom of the actuating member has a first abutting part, and the first abutting part is on the same side as the abutting end; the belt passes through the The bottom of the actuating member; an elastic member is arranged between the actuating member and the handle, and its elastic energy is to make the first abutting portion of the actuating member contact the belt; When the movable end of the belt is pulled, the first resisting part will be lifted up and not against the belt. The movable end of the belt can be pulled by the rear open end to reduce the socket part; when the handle is turned, the The contact end is in contact with the socket part; the first abutting part is against the belt.

Thereby, the strap wrench can manually adjust the socket part of the belt and tighten the object to be rotated, and when the wrench is turned, the wrench tightens the belt at two contact positions, which can tighten the object to be rotated more stably , Improve the convenience of operation.

Please refer to FIGS. 1 to 3, which are a preferred embodiment of the present creation, a strap wrench 100 for tightening and rotating an object to be rotated, which includes: a handle 10, an actuator 20, and a belt 40 .

The handle 10 is a long flat tube body, including two long side walls 11, 12 vertically arranged, and a horizontally connecting an upper side wall 13 of the two long side walls 11, 12 and a lower side wall 14. The two long side walls 11, 12 and the upper and lower side walls 13, 14 enclose an activity space 15 located inside the handle, the activity space 15 is arranged along the length of the handle 10; a front opening 16 is arranged in the handle At one end of the handle 10, the front opening 16 communicates with the activity space 15. The rear end of the handle 10 is provided with a rear opening 19, and the rear opening 19 also communicates with the movable space 15.

The actuating element 20 is an L-shaped block, which is pivoted in the movable space 15 by a pivot 60 passing through the two long side walls 11 and 12. The actuating element 20 has an abutting end 21 and a contact The ends 22 are respectively formed on the front and rear sides of the actuating member 20. The bottom of the actuating member 20 has a first resisting portion 24, and the first resisting portion 24 is on the same side as the abutting end 21. The abutting end 21 is located in the movable space 15, and the contact end 22 protrudes out of the front opening 16. The actuating member 20 is provided with a groove 25 on the end surface of the abutting end 21, and the pivot 60 is located between the abutting end 21 and the contact end 22. An elastic member 26, such as a compression spring, has one end received in the groove 25 and resists the abutting end 21 of the actuator 20, and the other end supports the inner surface of the upper side wall 13 of the handle 10. Based on the direction of FIG. 3, the elastic member 26 elastically pushes the actuator 20 to swing counterclockwise. In a normal state, the first resisting portion 24 elastically presses the belt 40 downward. When the contact end 22 is pressed, the actuating member 20 can rotate clockwise with the pivot 60 as the center, so that the first abutting portion 24 and the contact end 21 are displaced upward. When the force applied to the contact end 22 is relaxed, the elastic restoring force released after the elastic member 26 is compressed causes the actuator 20 to rotate counterclockwise and return to its original position, and the first resisting portion 24 swings downward. , The contact end 22 swings upward to reset. In addition, a channel 18 is formed between the bottom of the actuating member 20 and the lower side wall 14; in addition, the contact end 22 is set in an arc shape, and the outer peripheral surface in contact with the belt 40 is provided with a rough or rough surface. Sawtooth-shaped engagement portion 27.

The belt 40 has an appropriate length, and its two ends are a fixed end 41 and a movable end 42. One end of the fixed end 41 extends into the movable space 15 from the front opening 16, and a fixing plate 70 is provided on the top to make the The fixed end 41 of the belt 40 can be pressed between the fixing plate 70 and the lower side wall 14 and fixed to the front end of the handle 10. The fixing plate 70 is fixed on the lower side wall 14 by screwing , The top surface of the fixing plate 70 is located below the first resisting portion 24 of the actuating member 20, and the movable end 42 extends from the front opening 16 through the passage 18 into the movable space 15, and then extends To the outside of the rear opening 19, the part of the belt 40 exposed outside the front opening 16 of the handle 10 is looped to form a socket 43. The size of the socket 43 is adjustable. The contact part 22 of the actuator 20 It is adjacent to the socket 43. Moreover, the movable end 42 of the belt can be pulled from the position of the rear opening 19 to adjust the size of the socket 43.

Please refer to Figures 1 and 3, when the strap wrench 100 of the present creation is not in use, the socket 43 maintains an appropriate size (represented by an imaginary line in the figure), and the abutting end 21 of the actuator 20 is located in the movable space In 15, the contact end 22 protrudes from the front end of the handle 10.

3, when you want to use the strap wrench 100, first press the contact end 22, so that the first resisting portion 24 can be turned upwards, so that the distance between the first resisting portion 24 and the fixing plate 70 Will become larger, so that the belt 40 can freely adjust the position, and pull the sleeve portion 43 outward to increase its outer diameter. Please refer to FIG. 5, the first resisting portion 24 is originally held in contact with the belt 40 by the elastic force of the elastic member 26. Since the elastic member 26 can be compressed, the first resisting portion 24 is The belt 40 can be pulled upwards, so that the belt 40 can be pulled toward the rear end. When the belt is pulled back, the first resisting portion 24 will be pushed by the belt 40 to swing upward, so the user does not press the actuator 20. Will not affect the subsequent pulling operation of the belt. When the user pulls the belt 40 back, the inner diameter of the socket 43 is reduced. When the user stops pulling the belt 40, the elastic member 26 elastically presses the actuator 20 to swing. Please refer to FIG. 6, so that the first abutting portion 24 and the fixing plate 70 will abut The belt 40, when the belt 40 is pulled forward, the first resisting portion 24 will relatively produce a counterclockwise rotational displacement, so that the first resisting portion 24 and the fixing plate 70 can be locked By pressing the belt 40 to keep the sleeve portion 43 of the belt 40 in the state, the movable end 42 of the belt 40 is still partially located outside the rear opening 19.

Please refer to FIG. 4, and then, the enlarged socket portion 43 (shown by the solid line in FIG. 4) is sleeved on the outer circumference of an object to be rotated, such as an oil filter element 90. The outer shape of the object to be rotated may be a cylinder. After that, the movable end 42 of the belt 40 is pulled to make the actuating member 20 rotate clockwise, so that the first resisting portion 24 does not abut the belt 40, and the movement of the belt 40 The end 42 can be pulled by the user to shrink the socket 43 until it wraps the oil filter element 90, and the degree of tightness can be adjusted by the force of the user. After stopping pulling the movable end 42 of the belt 40, The elastic force of the elastic member 26 will rebound, and the belt 40 can be clamped between the first resisting portion 24 and the fixing plate 70.

Please refer to FIG. 7 and take the direction of FIG. 7 as the criterion. When you want to rotate the oil filter element 90, your hand pulls the handle 10 in a clockwise direction, and the contact end 22 of the actuator 20 is pressed against the engaging portion 27 With the outer ring surface of the sleeve portion 43 and the oil filter element 90, while the actuator 20 rotates counterclockwise, the first abutting portion 24 is pressed downward against the belt 40 and the fixing plate 70. At this time, the strap wrench 100 tightens the belt 40 with two contact positions, that is, the engagement portion 27 of the contact end 22 of the actuator 20 and the first abutting portion 24 abut the belt 40 in double contact. The belt 40 cannot be moved, and the belt 40 is pressed against the filter element 90, so that the sleeve portion 43 cannot be expanded outwards, so that the wrench firmly tightens the oil filter element 90, which facilitates pulling the handle 10 to loosen Or tighten the oil filter element 90. In particular, when the user pulls the wrench 100, the actuator 20 will automatically abut the belt 40 at the two contact positions, and there is no need to grip the belt 40 like the conventional strap wrench. Holding the belt makes the operation of disassembling and installing the oil filter element 90 easier and faster.

With the strap wrench 100 provided by this creation, through its overall mechanism design, the size of the socket 43 can be adjusted by manually pulling the movable end 42 of the belt 40, so that the socket 43 can tighten the oil The operation of the filter element 90 is simple and convenient. When using the strap wrench 100 of this creation to turn the oil filter element 90, as long as the handle 10 is held and pulled, the actuator 20 can abut the two positions of the engaging portion 27 and the first resisting portion 24. Hold the belt 40 so that the belt cannot be expanded outwards, can tighten the oil filter element 90 more firmly, and make the operation of unscrewing the oil filter element 90 smooth, which is indeed beneficial to the disassembly and assembly of the oil filter element 90, and there is no customary strap wrench. The shortcomings of the belt must be grasped and turned together. In summary, the strap wrench 100 of this creation is easy to operate, convenient to use, and has more practical effects.

The disclosed embodiments are only to illustrate the creation and not to limit it. The strap wrench provided by this creation is the first structure of similar articles, and it improves many shortcomings of the existing strap wrench. It is progressive. The application is submitted according to law.

100: strap wrench

10: Grip

11, 12: Long sidewall

13: Upper side wall

14: Lower side wall

15: Event space

16: front opening

18: Channel

19: Back opening

20: Actuator

21: butt end

22: contact end

24: First Resisting Department

25: groove

26: Elastic member

27: Interlocking part

40: belt

41: fixed end

42: active end

43: Socket

44: Piercing

60: pivot

70: Fixed board

90: oil filter

The purpose, characteristics and effects of this creation can be understood from the description and drawings of the following preferred embodiments, among which: Fig. 1 is a perspective view of part of the components of the strap wrench of a preferred embodiment of the present creation after the handle is removed. Figure 2 is an exploded perspective view of the strap wrench of a preferred embodiment of the invention. Fig. 3 is a sectional view of a combination with a wrench according to a preferred embodiment of the invention, and shows a schematic diagram of adjusting the sleeve part of the belt. FIG. 4 is a schematic diagram of the set part of the strap wrench of a preferred embodiment of the present creation to bind the object to be rotated. Fig. 5 is a partial schematic diagram of the strap wrench pulling the belt to the movable end of a preferred embodiment of the invention. Fig. 6 is a partial schematic diagram of the strap wrench of a preferred embodiment of the invention being stuck when the belt is pulled to the socket part. FIG. 7 is a schematic diagram of the action of the strap wrench turning the object to be rotated in a preferred embodiment of this creation.

100: strap wrench

13: Upper side wall

14: Lower side wall

15: Event space

16: front opening

18: Channel

19: back opening

20: Actuator

21: butt end

22: contact end

24: First Resisting Department

25: groove

26: Elastic member

27: Interlocking part

40: belt

41: fixed end

42: active end

43: Socket

60: pivot

70: fixed board

Claims (8)

A strap wrench includes: a handle with a front opening, a rear opening, and a movable space inside the handle, the front opening is located at the front end of the handle, and the rear opening is located at the rear end of the handle , And the front opening and the rear opening are respectively connected to the movable space; a belt has a fixed end and a movable end, the fixed end is fixed to the handle, and the movable end extends into the movable space from the front opening Inside, the end of the movable end passes through the rear opening, and the part of the belt exposed on the handle is looped to form a ring-shaped socket; an actuator can be pivoted in the movable space Inside, the actuating member has an abutting end and a contacting end, the abutting end is located in the movable space, the contacting end extends out of the front opening and is adjacent to the socket part; the bottom of the actuating member has a first abutment Holding part, and the first holding part is on the same side as the abutting end; the belt passes through the bottom of the actuator; an elastic member is arranged between the actuator and the handle, and its elasticity enables the The first abutting portion of the actuator contacts the belt; the movable end of the belt can be pulled to reduce the sleeve portion; when the handle is turned, the contact end contacts the sleeve portion; the actuator of the The first resisting part resists the belt. The strap wrench according to claim 1, wherein: the actuator is pivoted in the movable space by a pivot, a channel is formed between the bottom of the actuator and a side wall of the handle, and the belt is threaded through The channel. The strap wrench according to claim 1, wherein: the actuator is generally L-shaped, the abutment end and the contact end are respectively formed on the front and rear sides of the actuator, and a recess is provided at the top of the abutment end Groove; One end of the elastic member is accommodated in the groove, and the other end of the elastic member holds the handle. The strap wrench according to claim 1, wherein: the fixed end of the belt extends into the movable space from the front opening, and is fixed on a side wall of the handle. The strap wrench according to claim 1, wherein: the contact end of the actuating member is arc-shaped, an engaging portion is provided on the outer peripheral surface, and the engaging portion contacts the sleeve portion of the belt. The strap wrench according to claim 1, wherein: the handle is a long flat tube body, including two long side walls vertically arranged, and a horizontal connection connecting the upper side wall and the lower side wall of one of the two long side walls, The two long side walls and the upper and lower side walls enclose the activity space. The strap wrench according to claim 1, wherein: it further comprises a fixing plate arranged in the movable space of the handle, and the fixed end of the belt is arranged in the movable space of the handle Between a side wall and the fixed board. The strap wrench according to claim 7, wherein: the fixing plate is located below the abutting end of the actuator.

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