阅读说明：本技术 一种双销手动力矩扳手 (Double-pin manual torque wrench ) 是由 秦超 刘红艳 孙庭良 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种双销手动力矩扳手,双销扳头固定连接在连接头上；双销扳头包括活动头、固定头、调节螺钉和工作销,所述固定头固定连接在连接头上,活动头通过螺栓铰接在固定头上,且活动头绕铰接点转动,调节螺钉螺纹连接在活动头上,且调节螺钉的一端抵触在固定头上,两个工作销分别固定连接在活动头和固定头的末端,且工作销的轴线方向与扳手本体的轴线方向相垂直,固定头上工作销处于活动头上工作销绕所述铰接点转动的转动路径上。两个工作销对应卡入防尘圈端面的受力槽内,两个工作销形成一个限位,预紧防尘圈时,转动扳手本体即可,使用方便,便于操作。(The invention discloses a double-pin manual torque wrench, wherein a double-pin wrench head is fixedly connected to a connecting head; the double-pin wrench head comprises a movable head, a fixed head, an adjusting screw and a working pin, the fixed head is fixedly connected to the connecting head, the movable head is hinged to the fixed head through a bolt, the movable head rotates around a hinge point, the adjusting screw is in threaded connection with the movable head, one end of the adjusting screw is abutted to the fixed head, the two working pins are respectively and fixedly connected to the tail ends of the movable head and the fixed head, the axis direction of the working pin is perpendicular to the axis direction of the wrench body, and the working pin on the fixed head is located on the movable head and winds around the hinge point on a rotating path. The two working pins are correspondingly clamped into the stress grooves on the end faces of the dustproof rings, the two working pins form a limit position, and when the dustproof rings are pre-tightened, the wrench body is rotated, so that the use is convenient, and the operation is convenient.)

1. The utility model provides a manual moment spanner of double round pin, includes spanner body (1) and connector (2), connector (2) fixed connection is on spanner body (1), its characterized in that: the double-pin wrench head (3) is further included, and the double-pin wrench head (3) is fixedly connected to the connector (2); double pin spanner (3) are including activity head (31), fixed head (32), adjusting screw (33) and work round pin (34), fixed head (32) fixed connection is on connector (2), and activity head (31) pass through the bolt and articulate on fixed head (32), and activity head (31) rotate around the pin joint, adjusting screw (33) threaded connection is on activity head (31), and the one end of adjusting screw (33) is contradicted on fixed head (32), two work round pin (34) fixed connection respectively are at the end of activity head (31) and fixed head (32), and the axis direction of work round pin (34) is mutually perpendicular with the axis direction of spanner body (1), work round pin (34) are in on activity head (31) on fixed head (32) and work round pin (34) wind on the pin joint pivoted rotation path.

2. The dual pin manual torque wrench of claim 1, wherein: fixed head (32) are including integrated into one piece's first circular arc portion (321) and connecting rod portion (322), and connecting rod portion (322) fixed connection is on connector (2), and work round pin (34) fixed connection is at the end of first circular arc portion (321), and the axis direction of work round pin (34) is parallel with the axis direction of first circular arc portion (321).

3. The dual-pin manual torque wrench of claim 2, wherein: and a hinge hole (323) is formed at the joint of the first arc part (321) and the connecting rod part (322).

4. The dual-pin manual torque wrench of claim 3, wherein: the movable head (31) comprises a second arc part (311) and a hinge seat (312) which are integrally formed, the second arc part (311) and the first arc part (321) are the same in shape and size, a mounting groove hole (313) is formed in the hinge seat (312), the connecting rod part (322) is inserted into the mounting groove hole (313), and the hinge seat (312) is hinged to the hinge hole (323) through a bolt; the adjusting screw (33) is in threaded connection with the tail end face of the hinge base (312), and the adjusting screw (33) abuts against the outer arc face of the first arc portion (321).

5. The dual pin manual torque wrench of claim 1, wherein: the working pin (34) is of a step pin structure with a large cylindrical part and a small cylindrical part, a step hole is formed in the tail ends of the movable head (31) and the fixed head (32), the working pin (34) is correspondingly welded in the step hole, and the large cylindrical part and the small cylindrical part in the working pin (34) are respectively arranged on two corresponding side faces of the movable head (31) or the fixed head (32).

6. The dual pin manual torque wrench of claim 1, wherein: the wrench is characterized in that a handle sleeve (11) is sleeved on the wrench body (1).

The technical field is as follows:

the invention relates to a double-pin manual torque wrench.

Background art:

the dust ring in the ball nut structure needs to be pre-tightened after being assembled, the pre-tightening is plugged into a stress groove on the end face of the dust ring through a straight line at present, when the dust ring is used, the straight line is limited by an operation space, multiple operations are needed, the pre-tightening purpose cannot be completely achieved, and the dust ring can be scraped.

The invention content is as follows:

the present invention provides a dual pin manual torque wrench to solve the above-mentioned problems of the prior art.

The technical scheme adopted by the invention is as follows: a double-pin manual torque wrench comprises a wrench body and a connector, wherein the connector is fixedly connected to the wrench body; the double pin spanner head includes activity head, fixed head, adjusting screw and work round pin, fixed head fixed connection is on the connecting head, and the activity head passes through the bolt and articulates on the fixed head, and the activity head rotates around the pin joint, and adjusting screw threaded connection is overhead at the activity, and adjusting screw's one end is contradicted on the fixed head, and two work round pins are fixed connection respectively at the end of activity head and fixed head, and the axis direction of work round pin is mutually perpendicular with the axis direction of spanner body, and the work round pin is in the overhead work round pin of activity on the fixed head and winds on the pin joint pivoted rotation route.

Further, the fixed head includes integrated into one piece's first circular arc portion and connecting rod portion, and connecting rod portion fixed connection is on the connecting head, and work round pin fixed connection is at the end of first circular arc portion, and the axis direction of work round pin is parallel with the axis direction of first circular arc portion.

Furthermore, a hinge hole is formed in the joint of the first arc portion and the connecting rod portion.

Furthermore, the movable head comprises a second arc part and a hinge seat which are integrally formed, the second arc part and the first arc part are the same in shape and size, the hinge seat is provided with a mounting groove hole, the connecting rod part is inserted into the mounting groove hole, and the hinge seat is hinged with the hinge hole through a bolt; adjusting screw threaded connection is on articulated seat's terminal surface, and adjusting screw contradicts on the outer arc face of first circular arc portion.

Furthermore, the working pin is of a step pin structure with a large cylindrical part and a small cylindrical part, the tail ends of the movable head and the fixed head are respectively provided with a step hole, the working pin is correspondingly welded in the step holes, and the large cylindrical part and the small cylindrical part in the working pin are respectively arranged on two side faces corresponding to the movable head or the fixed head.

Further, a handle sleeve is sleeved on the wrench body.

The invention has the following beneficial effects:

1) the two working pins are correspondingly clamped into the stress grooves on the end faces of the dustproof rings, the two working pins form a limit position, and when the dustproof rings are pre-tightened, the wrench body is rotated, so that the use is convenient, and the operation is convenient.

2) The large cylindrical part and the small cylindrical part on the working pin can correspond to the dustproof rings suitable for the stress grooves in two different size intervals, and the applicability is wide.

Description of the drawings:

FIG. 1 is a block diagram of the present invention.

FIG. 2 is a block diagram of the present invention.

FIG. 3 is a block diagram of the double pin spanner head of the present invention.

FIG. 4 is a block diagram of the double pin spanner head of the present invention.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the manual torque wrench with two pins according to the present invention includes a wrench body 1, a connector 2 and a two-pin wrench head 3, wherein the connector 2 is fixedly connected to the wrench body 1, and the two-pin wrench head 3 is fixedly connected to the connector 2.

The double-pin wrench head 3 comprises a movable head 31, a fixed head 32, an adjusting screw 33 and working pins 34, wherein the fixed head 32 is fixedly connected to the connector 2, the movable head 31 is hinged to the fixed head 32 through bolts, the movable head 31 can rotate around a hinged point, the adjusting screw 33 is in threaded connection with the movable head 31, one end of the adjusting screw 33 is abutted against the fixed head 32, the two working pins 34 are respectively and fixedly connected to the tail ends of the movable head 31 and the fixed head 32, and the axial direction of the working pins 34 is perpendicular to the axial direction of the wrench body 1. The working pin 34 on the fixed head 32 is in the rotational path of the working pin 34 on the movable head 31 about the hinge point.

The fixing head 32 includes a first arc portion 321 and a connecting rod portion 322 which are integrally formed, the connecting rod portion 322 is fixedly connected (welded or bolted) to the connecting head 2, the working pin 34 is fixedly connected to the end of the first arc portion 321, and the axial direction of the working pin 34 is parallel to the axial direction of the first arc portion 321.

A hinge hole 323 is provided at a joint of the first arc portion 321 and the link portion 322.

The movable head 31 includes a second arc portion 311 and a hinge seat 312 that are integrally formed, the second arc portion 311 is the same as the first arc portion 321 in shape and size, a mounting slot hole 313 is formed in the hinge seat 312, the mounting slot hole 313 is arranged toward the axis direction of the wrench body 1, a connecting rod portion 322 in the fixed head 32 is inserted into the mounting slot hole 313, and the hinge seat 312 is correspondingly hinged to the hinge hole 323 through a bolt.

The adjusting screw 33 is screwed on the end surface of the hinge base 312, and the adjusting screw 33 abuts against the outer arc surface of the first arc portion 321. In use, the position of the adjustment screw 33 is adjusted to limit the maximum degree of freedom of the movable head 31 to rotate outwards. The degree of freedom of the inward rotation of the movable head 31 does not need to be limited.

The working pin 34 in the invention is a step pin structure with a large cylindrical part and a small cylindrical part, the tail ends of the movable head 31 and the fixed head 32 are both provided with a step hole, the working pin 34 is correspondingly welded in the step hole, the step surface of the working pin 34 is matched with the step surface of the step hole, and the large cylindrical part and the small cylindrical part in the working pin 34 are respectively arranged on the two corresponding side surfaces of the movable head 31 or the fixed head 32.

The large cylindrical portion and the small cylindrical portion of the working pin 34 may correspond to the dust ring suitable for the stress groove of two different size intervals.

The handle sleeve 11 is sleeved on the wrench body 1, and the handle sleeve 11 is made of rubber materials, so that the friction force between the wrench body and a hand can be increased.

When the dustproof ring is used, the position of the adjusting screw 33 is adjusted according to the size of the dustproof ring, the adjusting screw 33 is used for limiting the maximum degree of freedom of outward rotation of the movable head 31, and the dustproof ring can be clamped into the dustproof ring in the using process conveniently. The degree of freedom of the inward rotation of the movable head 31 does not need to be limited, when the wrench is used, the two working pins 34 are correspondingly clamped into the stress grooves on the end face of the dustproof ring, the two working pins 34 form a limit position, and when the dustproof ring is pre-tightened, the wrench body 1 is rotated, so that the wrench is convenient to use and operate. The large cylindrical part and the small cylindrical part on the working pin 34 can be correspondingly suitable for dust rings of stress grooves in two different size intervals, and the applicability is wide.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.