CN209793576U

CN209793576U - T-shaped wrench

Info

Publication number: CN209793576U
Application number: CN201920629177.6U
Authority: CN
Inventors: 郎海鹏; 刘小蕊; 付艳成; 李洁; 袁芳鹿; 张景辉; 吴诗坤; 严颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2019-12-17
Anticipated expiration: 2029-05-05

Abstract

The embodiment of the utility model discloses a T-shaped wrench, which comprises a cross rod, a longitudinal rod, a gear and a buckling part; the middle part of the cross rod is provided with a space for accommodating a gear, the gear is rotatably arranged in the space, and the gear is fixed at the upper end of the longitudinal rod; ratchets matched with teeth of the gears are formed at two ends of the buckling part, a first inclined plane and a second inclined plane are formed on the side face, opposite to the ratchets, of the buckling part, the intersection line of the first inclined plane and the second inclined plane is parallel to the height direction of the buckling part, and the intersection line is a ridge line protruding outwards from the buckling part; a cylindrical bulge is formed on the buckling part along the height direction of the buckling part, a mounting hole is formed on the cross rod along the direction vertical to the cross rod, and the cylindrical bulge is rotatably arranged in the mounting hole; the transverse rod is provided with a counter bore along the length direction of the transverse rod, a spring is arranged in the counter bore, one end of the spring is provided with a ball, and the ball is in contact with the first inclined plane or the second inclined plane of the buckling part.

Description

T-shaped wrench

Technical Field

The embodiment of the utility model provides a relate to spanner technical field, concretely relates to T spanner that appears.

Background

When carrying out the equipment of part, can use T shape spanner to revolve wrong bolt usually, T shape spanner among the prior art includes T shape portion, T shape portion include the horizontal pole with horizontal pole vertically vertical pole, but horizontal pole and vertical pole be the integrated into one piece structure, all need lift up the screw socket of spanner with the nut separation through the certain angle of the rotatory T shape spanner of horizontal pole, return initial rotational position, fall the screw socket once more and make it hug tightly once more with the nut, carry out the rotation of next angle, complex operation, efficiency is on the low side.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a T spanner that appears to solve T spanner complex operation among the prior art, problem on the low side of efficiency.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

According to an embodiment of the present invention, there is provided a T-wrench, including a cross bar, a longitudinal bar, a gear and a fastening part;

A space for accommodating a gear is formed in the middle of the transverse rod, the gear is rotatably arranged in the space, and the gear is fixed at the upper end of the longitudinal rod;

Ratchets matched with teeth of the gear are formed at two ends of the buckling part, a first inclined plane and a second inclined plane are formed on the side face, opposite to the ratchets, of the buckling part, the intersection line of the first inclined plane and the second inclined plane is parallel to the height direction of the buckling part, and the intersection line is a ridge line protruding outwards from the buckling part;

A cylindrical bulge is formed on the buckling part along the height direction of the buckling part, a mounting hole is formed on the cross bar along the direction vertical to the cross bar, and the cylindrical bulge is rotatably arranged in the mounting hole;

The cross rod is provided with a counter bore along the length direction, a spring is arranged in the counter bore, one end of the spring is provided with a ball, and the ball is in contact with the first inclined plane or the second inclined plane of the buckling part.

Further, an upper ring part and a lower ring part are formed at the middle of the cross bar with a predetermined gap therebetween, and teeth of the gear are located between the upper ring part and the lower ring part.

Further, the axis of the gear and the axis of the longitudinal rod are coincident.

Further, both ends of the buckling part extend out of the gap between the upper annular part and the lower annular part.

further, the upper annular part and/or the lower annular part are/is provided with the mounting hole, and the upper surface and/or the lower surface of the buckling part are/is provided with the cylindrical protrusion.

further, the catching portion is formed in a symmetrical structure with respect to a plane passing through the ridge line and the axis of the cylindrical protrusion.

Further, when the length direction of the buckling part is perpendicular to the length direction of the cross bar, the ball is in contact with the ridge line of the surface of the buckling part facing the ball.

furthermore, a positioning groove is formed in the upper end of the gear along the circumferential direction of the gear, and a clamping spring is arranged in the positioning groove to fix the axial position of the gear through the clamping spring.

Further, the axis of the cylindrical protrusion is arranged in parallel with the axis of the gear.

Further, the inner diameter of the lower annular portion is larger than the inner diameter of the upper annular portion.

The embodiment of the utility model provides a have following advantage:

The embodiment of the utility model provides a T spanner that appears through the cooperation of clamping part and gear, hugs tight back at the screw socket and nut, need not lift up the screw socket, can realize screwing up or unscrewing the operation to the nut, easy operation, efficiency improves.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

the structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic diagram illustrating the overall construction of a wrench, according to an exemplary embodiment;

FIG. 2 is an exploded view of a wrench, according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating a snap-fit portion according to an exemplary embodiment;

FIG. 4 is a block diagram illustrating another perspective of a snap portion in accordance with an exemplary embodiment;

FIG. 5 is a schematic diagram illustrating an operational configuration of a clinch nut of the wrench in accordance with an exemplary embodiment;

FIG. 6 is a schematic diagram illustrating an operational configuration of a loose nut of a wrench, according to an exemplary embodiment;

FIG. 7 is a schematic diagram illustrating a wrench in a balanced configuration in accordance with an exemplary embodiment;

In the figure: 10. a T-shaped wrench; 11. a cross bar; 111. an upper annular portion; 112. a lower annular portion; 113. mounting holes; 12. a longitudinal bar; 121. positioning a groove; 13. a gear; 14. a fastening part; 141. a ratchet; 142. a first inclined plane; 143. a second inclined plane; 144. a protrusion; 15. a spring; 16. a ball bearing; 17. a clamp spring; 18. and (4) screwing.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

for the purpose of describing the structure of the present application, the upper, lower, left, right, etc. orientations presented herein are based on the orientation of the figures in the drawings of the specification.

According to an embodiment of the present invention, as shown in fig. 1, there is provided a T-shaped wrench 10, including a cross bar 11, a longitudinal bar 12, a gear 13 and a fastening part 14;

As shown in fig. 2, a space for accommodating a gear 13 is formed in the middle of the cross bar 11, the gear 13 is rotatably disposed in the space, and the gear 13 is fixed to the upper end of the vertical bar 12; in the present embodiment, the middle of the crossbar 11 is formed as the upper annular portion 111 and the lower annular portion 112 with a predetermined gap between the upper annular portion 111 and the lower annular portion 112, and the teeth of the gear 13 are located between the upper annular portion 111 and the lower annular portion 112.

in some alternative embodiments, as shown in fig. 3, the two ends of the latch 14 are formed with ratchet teeth 141 that are engaged with the teeth of the gear 13, in this embodiment, the ratchet teeth 141 are located on the surface of the latch 14 facing the gear 13, and the two ends of the latch 14 both protrude from the gap between the upper annular portion 111 and the lower annular portion 112; as shown in fig. 3, a first inclined plane 142 and a second inclined plane 143 are formed on a surface of the locking portion 14 facing the ratchet 141, an intersection line of the first inclined plane 142 and the second inclined plane 143 is parallel to a height direction of the locking portion 14, and the intersection line is formed as a ridge line protruding from the locking portion 14; more preferably, in the present embodiment, as shown in fig. 4, the locking portion 14 is formed in a symmetrical structure with respect to a plane passing through the ridge line and the center line of the protrusion 144.

In some optional embodiments, a cylindrical protrusion 144 is formed on the fastening portion 14 along the height direction thereof, the cross bar 11 is provided with a mounting hole 113 along a direction perpendicular to the cross bar 11, and the cylindrical protrusion 144 is rotatably disposed in the mounting hole 113; for example, the upper annular portion 111 and/or the lower annular portion 112 is provided with a mounting hole 113, and at this time, a cylindrical protrusion 144 is formed on the upper surface and/or the lower surface of the latching portion 14 with respect to the mounting hole 113 of the upper annular portion 111 and/or the lower annular portion 112, and at this time, the latching portion 14 is formed in a symmetrical structure with respect to a plane passing through the ridge line and the axis of the cylindrical protrusion 144; in this embodiment, the axis of the cylindrical projection 144 is arranged in parallel with the axis of the gear 13.

In some alternative embodiments, the cross bar 11 is provided with a counter bore along the length direction thereof, the counter bore is provided with a spring 15, one end of the spring 15 is provided with a ball 16, the ball 16 is in contact with the surface of the snap part 14 facing away from the gear 13, as shown in fig. 5, for example, the ball 16 is in contact with the second inclined plane 143 of the snap part 14, as shown in fig. 6, the ball 16 is in contact with the first inclined plane 142 of the snap part 14, and preferably, as shown in fig. 7, when the length direction of the snap part 14 is perpendicular to the length direction of the cross bar 11, the ball 16 is in contact with the edge line of the surface of the snap part 14 facing the ball 16.

In some alternative embodiments, the upper end of the gear 13 is provided with a positioning groove 121 along the circumferential direction thereof, and a snap spring 17 is disposed in the positioning groove 121 to fix the axial position of the gear 13 by the snap spring 17, so as to prevent the transverse rod 11 from falling off from the upper end of the longitudinal rod 12.

In some alternative embodiments, the end of the side rail 12 away from the cross rail 11 is provided with a detachable screw 18, and when a screw 18 with a different specification is required, the screw 18 can be directly replaced, wherein the screw 18 can be replaced by replacing means in the prior art.

in some alternative embodiments, the inner diameter of the lower annular portion 112 is larger than the inner diameter of the upper annular portion 111, the nominal diameter of the gear 13 is larger than the inner diameter of the upper annular portion 111, and the nominal diameter of the gear 13 is consistent with the diameter of the lower annular portion 112, so that the cross bar 11 is prevented from falling off from the lower end of the side bar 12.

in some alternative embodiments, to reduce the weight of the T-wrench 10, the cross bar 11 and the side bar 12 may be designed as hollow structures, while improving the portability of the T-wrench 10.

when the T-shaped wrench 10 of the present invention is used, the screw port 18 at the end of the longitudinal rod 12 is placed and engaged with the nut, and the fastening portion 14 is fastened clockwise, so that the T-shaped wrench 10 is in the working mode of tightening the nut, as shown in fig. 5, the transverse rod 11 rotates 0-90 ° clockwise around the longitudinal rod 12, such as 45 °, the first angular tightening operation is completed, and then the transverse rod 11 rotates 0-90 ° counterclockwise around the longitudinal rod 12, such as 45 °, so that the transverse rod 11 is reset; and rotating the cross rod 11 by 0-90 degrees, such as 50 degrees, clockwise around the longitudinal rod 12 again to finish the second angle tightening operation, then rotating the cross rod 11 by 0-90 degrees, such as 50 degrees, counterclockwise around the longitudinal rod 12 to reset the cross rod 11, and repeating the operation until the nut tightening state reaches the requirement, and separating the screw opening 18 from the nut. During the rotation of the tightening nut, the ratchet 141 of the catching portion 14 comes to be dead against the gear 13 to receive the supporting force given by the cross bar 11 and the reaction force of the gear 13, and the ratchet 141 at the other end is separated from the gear 13. When the rotation is reset, the original dead ratchet 141 and the gear 13 are intermittently separated and combined due to the elastic pushing of the spring 15 and the ball 16 to the buckling part 14. After the rotational reset is completed, the nut tightening operation is performed again, and the ratchet 141, which was previously in contact with the gear 13, is again brought into abutment with the gear 13. Wherein the angle at the time of the reset operation is the same as the previous tightening angle.

The first inclined plane 142 and the second inclined plane 143 of the locking part 14 are used for poking the ball 16 to retract the ball 16, and the spring 15 behind the ball 16 pushes the ball 16 outwards, so that the ball 16 is always in contact with the first inclined plane 142 or the second inclined plane 143. And the urging force of the spring 15 may act so that this contact tends to remain constant.

Placing and matching a screw port 18 at the tail end of the longitudinal rod 12 with a nut, and fastening the fastening part 14 anticlockwise to enable the T-shaped wrench 10 to be in a nut loosening working mode, as shown in fig. 6, rotating the cross rod 11 by 0-90 degrees, such as 60 degrees, around the longitudinal rod 12 anticlockwise to complete first angle bolt loosening operation, and then rotating the cross rod 11 by 0-90 degrees, such as 60 degrees, around the longitudinal rod 12 clockwise to enable the cross rod 11 to reset; and rotating the transverse rod 11 by 0-90 degrees, such as 40 degrees, counterclockwise around the longitudinal rod 12 again to finish the second angle bolt loosening operation, then rotating the transverse rod 11 by 0-90 degrees, such as 40 degrees, clockwise around the longitudinal rod 12 to reset the transverse rod 11, and repeating the operation until the nut is loosened and falls off to separate the screw port 18 from the nut. Wherein the angle during the reset operation is the same as the previous loosening angle.

The T-shaped wrench 10 can be produced by scaling up or down in equal proportion, and is applied to the fields of railway line maintenance, engineering construction, machine manufacturing and production and the like.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A T-shaped wrench is characterized by comprising a cross rod, a longitudinal rod, a gear and a clamping part;

2. A T-wrench as claimed in claim 1, wherein said cross bar has a central portion formed with an upper ring portion and a lower ring portion with a predetermined gap therebetween, and wherein said teeth of said gear are located between said upper and lower ring portions.

3. a T-wrench as claimed in claim 1 or claim 2, wherein the axis of the gear wheel and the axis of the longitudinal bar are coincident.

4. a T-wrench as claimed in claim 2, in which both ends of the gripping portion project through the gap between the upper and lower ring portions.

5. The T-wrench as claimed in claim 2, wherein the mounting hole is formed in the upper ring portion and/or the lower ring portion, and the cylindrical protrusion is formed on the upper surface and/or the lower surface of the locking portion.

6. A T-wrench as claimed in claim 5, wherein said gripping portion is formed as a symmetrical structure about a plane passing through said ridge and the axis of the cylindrical projection.

7. a T-wrench as claimed in claim 6, wherein said ball is in contact with said ridge of said surface of said catch facing said ball when the length of said catch is perpendicular to the length of said cross-bar.

8. The T-shaped wrench as claimed in claim 1 or 2, wherein the gear has a positioning groove formed at its upper end along its circumference, and a clamp spring is disposed in the positioning groove to fix the axial position of the gear by the clamp spring.

9. A T-wrench as claimed in claim 1, wherein the axis of said cylindrical projection is parallel to the axis of said gear.

10. A T-wrench as claimed in claim 2, wherein said lower ring portion has an internal diameter greater than an internal diameter of said upper ring portion.