CN207387529U - multifunctional wrench - Google Patents

Abstract

The utility model provides a multifunctional wrench, which comprises a sleeve head, a connecting rod, an adjusting rod, a push rod and a compression spring; a slot hole is arranged on the sleeve head, and one end of the connecting rod is fixedly connected to the outer wall of the sleeve head, The outer wall of the other end of the connecting rod is provided with an external thread, and the connecting rod is provided with a through hole along the axial direction of the connecting rod. The through hole runs through the side wall of the sleeve head and communicates with the slot hole. hole, the right end of the push rod is provided with a stopper, the compression spring is sleeved on the outside of the push rod, one end of the compression spring abuts against the right end of the connecting rod, the other end of the compression spring abuts against the stopper, and the adjustment rod is provided with an adjustment The blind hole in the direction of the rod axis, the inner wall of the blind hole is provided with internal threads; when the adjusting rod is tightly connected with the connecting rod, the push rod pushes against the bolt head, and when the adjusting rod and the connecting rod are rotated and loosened, the push rod moves to the right and release the bolt head. The multifunctional wrench provided by the utility model can effectively clamp the worn bolt head and unscrew, detach or tighten it, and is convenient to use.

Description

multifunctional wrench

technical field

The utility model belongs to the technical field of wrench tools, and more specifically relates to a multifunctional wrench.

Background technique

The bolt is a threaded detachable fastener, including an integrally formed bolt head and a bolt shank. The bolt head is provided with six longitudinal sides, its cross section is a regular hexagon, and the outer wall of the bolt shank is provided with threads. In daily life, it is often encountered that bolts are rusted for a long time or the edges and corners of the bolt head are worn due to repeated twisting, and the bolt head tends to be cylindrical. The existing wrench cannot apply force to the bolt head, resulting in difficulty in removing the bolt head.

Utility model content

The purpose of the utility model is to provide a multifunctional wrench, aiming at solving the problem that the existing wrench cannot apply force to the worn bolt head, which can effectively clamp the worn bolt head and loosen, dismount or tighten it, and is easy to use.

In order to achieve the above purpose, the technical solution adopted by the utility model is: provide a multifunctional wrench, including a sleeve head, a connecting rod, an adjustment rod, a push rod and a compression spring; One end of the connecting rod is fixedly connected to the outer wall of the sleeve head, the outer wall of the other end of the connecting rod is provided with an external thread, and the connecting rod is provided with a through hole along the axis of the connecting rod, and the through hole passes through the sleeve head. The side wall is connected with the slot hole, the push rod is slidably connected to the through hole of the connecting rod, the right end of the push rod is provided with a stopper, the compression spring is sleeved on the outside of the push rod, and one end of the compression spring abuts against the right end of the connecting rod. The other end of the compression spring abuts against the stopper. A blind hole along the axis of the adjusting rod is provided on the adjusting rod. The opening of the blind hole points to the sleeve head. thread; when the adjusting rod is tightly connected with the connecting rod, the adjusting rod pushes the push rod to tighten the bolt head to the left; when the adjusting rod and the connecting rod are rotated and loosened, the compression spring pushes the push rod to move to the right and release the bolt head.

Further, a notch is provided near the connecting rod at the sleeve head.

Further, the working section of the slot is arc or polygon.

Further, an anti-slip pattern is provided at the contact point between the slotted hole and the bolt head.

Further, an arc surface for clamping the bolt head is provided at the end of the push rod pointing to the slot hole.

Further, anti-slip lines are provided on the arc surface.

The beneficial effect of the multifunctional wrench provided by the utility model is that: compared with the prior art, the inner side of the sleeve head of the utility model multifunctional wrench is provided with multi-edges or irregular arcs with angles, so that it is incompatible with wear and tear. The bolt head can have multiple points of contact, and then press the bolt head through the push rod, the sleeve head and the push rod work together to clamp the bolt head, and the utility model can realize the loosening of the bolt by rotating around the axis direction of the bolt head; The axis of the rod rotates the adjusting rod to realize that the push rod slides toward the wrench head or in the opposite direction. When the bolt is loosened, the adjusting rod is rotated, and the spring pushes the push rod away from the bolt head, and the wrench can be taken off at this time.

Description of drawings

Fig. 1 is the structural representation of the multifunctional wrench that the utility model embodiment provides;

Fig. 2 is a cross-sectional view of the multifunctional wrench provided by the embodiment of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

Please refer to Fig. 1 and Fig. 2 together, and now the multifunctional wrench provided by the utility model is described. Multifunctional wrench, including socket head 1, connecting rod 2, adjusting rod 3, push rod 4 and compression spring 5; socket head 1 is provided with a slotted hole 11 matching the bolt head, and one end of connecting rod 2 is fixed Connected to the outer wall of the sleeve head 1, the outer wall of the other end of the connecting rod 2 is provided with an external thread, and the connecting rod 2 is provided with a through hole along the axial direction of the connecting rod 2, and the through hole penetrates through the side wall of the sleeve head 1 and is connected with the The slot hole 11 is connected, the push rod 4 is slidably connected to the through hole of the connecting rod 2, the right end of the push rod 4 is provided with a stopper, the compression spring 5 is sleeved on the outside of the push rod 4, and one end of the compression spring 5 abuts against the connecting rod 2 At the right end of the compression spring 5, the other end of the compression spring 5 abuts against the stopper. A blind hole along the axial direction of the adjustment rod 3 is provided on the adjustment rod 3. The opening of the blind hole points to the sleeve head 1. The inner wall of the blind hole is provided with a connecting rod The external thread of 2 is matched with the internal thread; when the adjusting rod 3 is tightly connected with the connecting rod 2, the adjusting rod 3 pushes the push rod 4 to the left to tighten the bolt head, when the adjusting rod 3 and the connecting rod 2 are rotated and loosened , the compression spring 5 pushes the push rod 4 to move to the right and releases the bolt head.

The multifunctional wrench provided by the utility model, compared with the prior art, the inner side of the sleeve head 1 of the utility model multifunctional wrench is provided with multi-edge or irregular arcs that are included angles, so that it is compatible with the worn bolt head Can have multiple points of contact, and then press the bolt head through the push rod 4, the sleeve head 1 and the push rod 4 work together to clamp the bolt head, and the utility model can realize the loosening of the bolt by rotating around the axis direction of the bolt head; The axis of the rod 3 rotates the adjusting rod 3 to realize the push rod 4 sliding to the wrench head 1 or in the opposite direction. When the bolt is loosened, the adjusting rod 3 is rotated, and the spring 5 pushes the push rod 4 away from the bolt head. At this time, the wrench can be removed .

The sleeve head 1 is provided with a gap near the connecting rod 2 . Considering that the bolt may be applied to a place with a narrow operating space, the socket head 1 is provided with a gap, and the bolt head can be inserted into the wrench head 1 from the gap.

The working section of the slot 11 is arc or polygon. The slotted hole 11 needs to be in contact with the approximately cylindrical bolt head and clamped tightly. It needs to be in multi-point contact with the bolt head. In order to adapt to bolt heads of different specifications, the working section shape of the slotted hole 11 is set to polygonal, such as hexagonal or An octagon can also be in the form of an irregular arc.

Anti-slip lines are provided at the contact between the slotted hole 11 and the bolt head.

The end of the push rod 4 pointing to the slot 11 is provided with an arc-shaped surface for clamping the bolt head. The contact between the push rod 4 and the bolt head can be set in an arc or tooth shape, which helps the push rod 4 to clamp the bolt head better.

Anti-skid lines are provided on the curved surface. The anti-skid pattern can be a raised rhombus or a strip, etc.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. multifunctional wrench, which is characterized in that including collet head (1), connecting rod (2), adjusting rod (3), push rod (4) and compression bullet Spring (5)；The collet head (1) is equipped with the slot (11) being adapted with bolt head, and one end of the connecting rod (2) is fixedly connected The outer wall of outer wall, the connecting rod (2) other end in the collet head (1) is equipped with external screw thread, is set on the connecting rod (2) Have a through hole along the connecting rod (2) axis direction, the through hole penetrate through the side wall of the collet head (1) and with the slot (11) connecting, the push rod (4) is slidably connected to the through hole of the connecting rod (2), and the right end of the push rod (4) is equipped with block, The compression spring (5) is set on the outside of the push rod (4), and one end of the compression spring (5) is connected to the connecting rod (2) Right end at, the other end of the compression spring (5) be connected to the block, the adjusting rod (3) is equipped with along the adjusting The blind hole of bar (3) axis direction, the blind hole opening are directed toward the collet head (1), and the inner wall of the blind hole is equipped with and the company The internal thread that the external screw thread of extension bar (2) is adapted；When the adjusting rod (3) and the connecting rod (2) are fastenedly connected, the tune Pole (3) promotes the push rod (4) puller bolt head to the left, when the adjusting rod (3) and the connecting rod (2) rotation unclamp When, the compression spring (5) promotes the push rod (4) to move right and decontrols bolt head.

2. multifunctional wrench as described in claim 1, it is characterised in that：The collet head (1) is at the connecting rod (2) Equipped with gap.

3. multifunctional wrench as described in claim 1, it is characterised in that：The working section of the slot (11) is arc or more Side shape.

4. multifunctional wrench as described in claim 1, it is characterised in that：It is set in the slot (11) and the contact position of bolt head There is anti-skid chequer.

5. multifunctional wrench as described in claim 1, it is characterised in that：The slot (11) is directed toward in the push rod (4) End is equipped with the arcwall face for clamping bolt head.

6. multifunctional wrench as claimed in claim 5, it is characterised in that：Anti-skid chequer is equipped on the arcwall face.