CN209831466U

CN209831466U - Ratchet wrench special for pipeline

Info

Publication number: CN209831466U
Application number: CN201920647722.4U
Authority: CN
Inventors: 黄栋斐
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2019-12-24
Anticipated expiration: 2029-05-08

Abstract

The utility model belongs to the technical field of water and electricity or hydraulic pressure mounting tool technique and specifically relates to indicate a special ratchet spanner of pipeline, including the handle, with handle fixed connection's fixed sleeve and rotatable install the rotatory sleeve in fixed sleeve, the nut cuff that corresponds with the appearance structure of nut is seted up to this rotatory telescopic one end, fixed sleeve includes two fixed outer lanes and sets up the non return circle between two fixed outer lanes, rotatory sleeve includes two rotatory inner circles and sets up the ratchet circle between two rotatory inner circles, and two rotatory inner circles overlap respectively and locate two fixed outer lanes in, and non return circle, ratchet wheel rim, two fixed outer lanes and two rotatory inner circles all set up the breach groove that supplies the pipeline to pass through, and this breach groove reaches the nut cuff all runs through fixed sleeve and rotatory sleeve completely. The utility model provides a problem that ratchet spanner or open-ended spanner all can't be realized on the market, have simple structure, do not receive the pipeline to influence and convenient to use's advantage, the practicality is strong.

Description

Ratchet wrench special for pipeline

Technical Field

The utility model belongs to the technical field of water and electricity or hydraulic pressure mounting tool technique and specifically relates to indicate a special ratchet spanner of pipeline.

Background

Nowadays, the popularization of processing equipment or production line assembly, the use scene of control box is also more and more, and water pipe, oil pipe, trachea and circular telegram circuit and the connection process of control box all need not to influence the fixed mounting that realizes the nut under the condition that the pipeline arranged again. Along with the miniaturization of products, the design of a water, electricity and gas control system needs to fully and reasonably utilize space, and the water, electricity and gas control system begins to adopt module integration to shorten pipelines. The water, electricity and gas control system is increasingly compact in structure, so that the assembly space is reduced, and the assembly difficulty is increased. In water, electricity gas control system, be connected between pipeline and the pipeline or need screw up hexagonal connection nut when being connected to the pipeline connector on the equipment with the pipeline, screw up the nut and use the current adjustable spanner instrument in market, during the assembly, the spanner need rotate 60, along with the increase of nut specification, the spanner rotates the space crescent of 60 needs, does not have the spanner to rotate the space product of 60 just can't assemble. The existing ratchet wrench tool in the market has the advantages that the wrench rotation is limited by space to a small extent, but the ratchet wrench has no opening, and the wrench cannot be taken down and cannot be used after a pipeline is connected to a pipeline connecting port on equipment.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a special ratchet spanner of pipeline that has a breach groove that does not receive the restriction of pipeline layout design still can normal use.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a special ratchet spanner of pipeline, includes the handle, with handle fixed connection's fixed sleeve and rotatable install the rotatory sleeve in fixed sleeve, the nut looping that corresponds with the appearance structure of nut is seted up to this rotatory telescopic one end, fixed sleeve includes two fixed outer lanes and sets up the non return circle between two fixed outer lanes, rotatory sleeve includes two rotatory inner rings and sets up the ratchet circle between two rotatory inner rings, and two rotatory inner rings are overlapped respectively and are located two fixed outer lanes in, and the breach groove that supplies the pipeline to pass through is all seted up to non return circle, ratchet circle, two fixed outer lanes and two rotatory inner rings, this breach groove reaches the nut looping all runs through fixed sleeve and rotatory sleeve completely.

Preferably, the non-return ring is provided with at least 2 groups of pawls and an elastic piece enabling the pawls to be always close to the ratchet ring, and the total circular arc angle of the distribution positions of the at least two groups of pawls on the non-return ring is larger than that of the notch groove.

Preferably, the arc angle of the notch groove is 60 to 75 degrees, the number of the pawls is 3, and the total arc angle of the positions where the 3 groups of pawls are distributed on the check ring is 270 to 285 degrees.

Preferably, the inner wall of the fixed sleeve is provided with a plurality of rollers or balls, and the rollers or balls are abutted with the outer wall of the rotating inner ring.

Preferably, the rotating sleeve further comprises an extension sleeve, and the extension sleeve, the ratchet ring and the two rotating inner rings are integrally formed.

Preferably, the handle, the non-return ring and one of the fixed outer rings are integrally formed, and the other fixed outer ring is fixedly connected with the non-return ring through a screw.

The beneficial effects of the utility model reside in that: the utility model provides a special ratchet spanner of pipeline, during the use, rotatory sleeve on the manual rotatory spanner earlier, the breach groove on until rotatory sleeve aligns with the breach groove on the fixed sleeve, can be smoothly with the spanner on advancing the pipeline, and realize ratchet spanner's nut locking function, after nut locking, throw off the rotatory sleeve and the nut of spanner earlier, the rotatory sleeve on the manual rotatory spanner again, make the breach groove on the rotatory sleeve align with the breach groove on the fixed sleeve, pipeline after finishing the installation can withdraw from this breach groove smoothly, realize the separating operation of ratchet spanner and pipeline, the problem that ratchet spanner or open-ended spanner all can't be realized on the market has been solved, and the ratchet spanner has a simple structure, do not receive pipeline influence and convenient to use's advantage, the practicality is stronger.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the ratchet wrench for pipelines of the present invention.

Fig. 2 is a schematic structural view of the notch groove of the ratchet wrench for pipelines according to the present invention.

Fig. 3 is a schematic structural view of the special ratchet wrench for pipelines according to the present invention when the notch grooves are not aligned.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, a ratchet wrench dedicated for pipelines includes a handle 1, a fixing sleeve fixedly connected to the handle 1, and a rotating sleeve rotatably installed in the fixing sleeve, wherein a nut notch 2 corresponding to the shape structure of the nut is provided at one end of the rotating sleeve, the fixing sleeve includes two fixing outer rings 3 and a non-return ring 4 disposed between the two fixing outer rings 3, the rotating sleeve includes two rotating inner rings 5 and a ratchet ring 6 disposed between the two rotating inner rings 5, the two rotating inner rings 5 are respectively sleeved in the two fixing outer rings, the non-return ring 4, the ratchet ring 6, the two fixing outer rings 3 and the two rotating inner rings 5 are all provided with a notch groove for the pipelines to pass through, and the notch groove and the nut notch 2 all completely penetrate through the fixing sleeve and the rotating sleeve.

During the use, the rotatory sleeve on the manual rotatory spanner first, until the breach groove on the rotatory sleeve aligns with the breach groove on the fixed sleeve, can be smoothly with the spanner on advancing the pipeline, and realize ratchet spanner's nut locking function, after the nut locking, throw off the rotatory sleeve and the nut of spanner earlier, the rotatory sleeve on the manual rotatory spanner again, make the breach groove on the rotatory sleeve align with the breach groove on the fixed sleeve, the pipeline after the installation finishes can withdraw from in this breach groove smoothly, realize ratchet spanner and the separating operation of pipeline, the problem that ratchet spanner or open-ended spanner all can't be realized on the market has been solved, and the pipe fitting has simple structure, do not influenced by the pipeline and convenient to use's advantage, the practicality is stronger.

In this embodiment, the check ring 4 is provided with at least 2 sets of pawls 7 and an elastic member for enabling the pawls 7 to be always close to the ratchet ring 6, and a total arc angle of distribution positions of the at least two sets of pawls 7 on the check ring 4 is larger than an arc angle of the notch groove. Specifically, the arc angle of the notch groove is 60 to 75 degrees, the number of the pawls 7 is 3, and the total arc angle of the distribution positions of the 3 groups of pawls 7 on the check ring 4 is 270 to 285 degrees. The design of the mechanism can ensure the nut locking function of the rotating sleeve, can avoid the separation of the rotating sleeve from the fixed sleeve due to the notch groove, and has high reliability.

In this embodiment, the inner wall dress of fixed sleeve is equipped with a plurality of gyro wheels or ball, and this gyro wheel or ball and the outer wall butt of rotatory inner circle 5 have effectively reduced frictional resistance and wearing and tearing between rotatory sleeve and the fixed sleeve, and it is more convenient to use, and life is longer.

In this embodiment, the rotating sleeve further comprises a lengthened sleeve 8, the ratchet ring 6 and the two rotating inner rings 5 are integrally formed, specifically, the handle 1, the non-return ring 4 and one of the fixed outer rings 3 are integrally formed, and the other fixed outer ring 3 is fixedly connected with the non-return ring 4 through a screw, so that the production and manufacturing cost of the ratchet wrench is greatly reduced, and the cost performance is high. The design of extension sleeve 8 can deepen extension sleeve 8 into the inside of control cabinet during the use, carries out the rotating operation to the nut that conventional spanner can't touch, and the practicality is stronger.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Special ratchet spanner of pipeline, including handle (1), with handle (1) fixed connection's fixed sleeve and rotatable rotatory sleeve of installing in fixed sleeve, nut linking (2) that correspond with the appearance structure of nut, its characterized in that are seted up to this rotatory telescopic one end: the fixed sleeve comprises two fixed outer rings (3) and a check ring (4) arranged between the two fixed outer rings (3), the rotary sleeve comprises two rotary inner rings (5) and ratchet rings (6) arranged between the two rotary inner rings (5), the two rotary inner rings (5) are respectively sleeved in the two fixed outer rings, notch grooves for pipelines to pass through are formed in the check ring (4), the ratchet rings (6), the two fixed outer rings (3) and the two rotary inner rings (5), and the nut sleeve opening (2) completely penetrates through the fixed sleeve and the rotary sleeve.

2. The pipeline special ratchet wrench of claim 1, wherein: the non-return ring (4) is provided with at least 2 groups of pawls (7) and an elastic piece which enables the pawls (7) to be close to the ratchet ring (6) all the time, and the total arc angle of the distribution positions of the at least two groups of pawls (7) on the non-return ring (4) is larger than that of the notch groove.

3. The pipeline special ratchet wrench of claim 2, wherein: the arc angle of the notch groove is 60-75 degrees, the number of the pawls (7) is 3, and the total arc angle of the distribution positions of the 3 groups of the pawls (7) on the check ring (4) is 270-285 degrees.

4. The pipeline special ratchet wrench of claim 1, wherein: the inner wall of the fixed sleeve is provided with a plurality of rollers or balls, and the rollers or balls are abutted with the outer wall of the rotating inner ring (5).

5. The pipeline special ratchet wrench of claim 1, wherein: the rotating sleeve further comprises a lengthened sleeve (8), and the lengthened sleeve (8), the ratchet ring (6) and the two rotating inner rings (5) are integrally formed.

6. The pipeline special ratchet wrench of claim 1, wherein: the handle (1), the check ring (4) and one of the fixed outer rings (3) are integrally formed, and the other fixed outer ring (3) is fixedly connected with the check ring (4) through a screw.