CN210571320U

CN210571320U - Torsion spring check tool

Info

Publication number: CN210571320U
Application number: CN201921437825.4U
Authority: CN
Inventors: 谢承冬; 潘清辉; 何湘雄
Original assignee: Meizhou Gac Huade Auto Parts Co ltd
Current assignee: Meizhou Gac Huade Auto Parts Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-19
Anticipated expiration: 2029-09-02

Abstract

The utility model belongs to the technical field of utensil is examined to the spring and specifically relates to an utensil is examined to torsion spring, including examining a support and examining a main part, it is equipped with the locating hole to examine a support top surface, the locating hole is used for placing location ladder cylinder, it is equipped with first detection groove and second detection groove to examine a main part top surface, it is equipped with the button head slotted hole to examine a main part both sides face, it is fixed with the through-hole coupling nut who examines a support with examining a main part and pass through set screw to examine a support, location ladder cylinder is fixed by the holding screw that is connected with the countersunk screw hole of examining a main part side, it still is equipped with spacing cylinder and stopper to examine. The utility model discloses following beneficial effect has: the structure is simple, the manufacturing cost is low, and the device can be repeatedly used; the wire diameter, the length and the torsion angle of the torsion spring are detected quickly, and the device is suitable for mass inspection.

Description

Torsion spring check tool

Technical Field

The utility model belongs to the technical field of utensil is examined to the spring and specifically relates to an utensil is examined to torsion spring.

Background

The torsion spring belongs to a spiral spring. The ends of the torsion spring are fixed to the other components, and as the other components rotate about the spring center, the spring pulls them back to the original position, creating a torque or rotational force. The torsion spring can store and release angular energy or statically hold a device by rotating a moment arm about the central axis of the spring body.

The torsion spring is widely applied to automobile parts, such as a clutch pedal return spring, an automobile seat and an electronic throttle return spring, the parts have complex structures and have high requirements on elastic processing precision and mechanical properties, and the manufacturing process of the torsion spring comprises rolling, heat treatment, process tests and shot blasting treatment, so that processing errors exist, and therefore, the finished torsion spring needs to be detected to improve the reliability of the spring.

SUMMERY OF THE UTILITY MODEL

Based on this, provide a utensil is examined to torsion spring.

The utility model provides an utensil is examined to torsion spring, is including examining a support and examining a main part, it is equipped with the locating hole to examine a support top surface, the locating hole is used for placing location ladder cylinder, it is equipped with first detection groove and second detection groove to examine a main part top surface, it is equipped with the button head slotted hole to examine a main part both sides face, it is equipped with the through-hole that corresponds with the straight slotted hole that examines a support to examine a support side, it is fixed with the through-hole coupling nut that examines a support with examine a main part and pass through set screw.

In one embodiment, the positioning stepped cylinder consists of an upper cylinder and a lower cylinder which have the same rotating shaft and different diameters, and the positioning stepped cylinder is fixed by a set screw connected with a countersunk threaded hole in the side face of the gauge body.

In one embodiment, the checking fixture body is further provided with a limiting cylinder and a limiting block.

The checking fixture for the torsion spring has the following effects:

1. the structure is simple, the manufacturing cost is low, and the device can be repeatedly used;

2. the wire diameter, the length and the torsion angle of the torsion spring are detected quickly, and the device is suitable for mass inspection.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the invention;

fig. 3 is a side view of an embodiment of the invention;

fig. 4 is an assembly view of an embodiment of the invention;

FIG. 5 is a view of the test assembly of an embodiment of the present invention;

the figures are labeled as follows:

1-a gauge support, 11-a positioning stepped cylinder, 12-a limiting cylinder, 13-a limiting block, 14-a countersunk threaded hole, 15-a positioning hole, 16-a set screw, 2-a gauge body, 21-a first detection groove, 22-a round-head groove hole, 23-a second detection groove, 3-a fixing bolt, 4-a nut and 5-a torsion spring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, an inspection device for a torsion spring 5 comprises an inspection device support 1 and an inspection device main body 2, wherein a positioning hole 15 is formed in the top surface of the inspection device support 1, the positioning hole 15 is used for placing a positioning stepped cylinder 11, an inner ring of a torsion spring 55 is sleeved on the positioning stepped cylinder 11 for pre-positioning, a first detection groove 21 and a second detection groove 23 are formed in the top surface of the inspection device main body 2, the first detection groove 21 and the second detection groove 23 are rectangular grooves, the second detection groove 23 is used for placing a torsion arm of the torsion spring 5 to be inspected, the width of the second detection groove 23 is a length tolerance zone of the end surface of the torsion arm of the torsion spring 5, the long side of the first detection groove 21 is perpendicular to the long side of the second detection groove 23, the depth of the second detection groove 23 is larger than the line diameter of the torsion spring 5 to be inspected, round-head groove holes 22 are formed in the two side surfaces of the inspection device main body 2, the gauge support 1 and the gauge body 2 are fixed by a fixing bolt 3 penetrating through a through hole connecting nut 4 of the gauge support 1, and the gauge body 2 is adjusted to a corresponding height and angle according to the line diameter of a tested torsion spring 5.

Preferably, the positioning stepped cylinder 11 consists of an upper cylinder and a lower cylinder which have the same rotating shaft and different diameters, the positioning stepped cylinder 11 is fixed by a set screw 16 connected with a countersunk head threaded hole 14 in the side surface of the gauge main body 2, and the positioning stepped cylinder 11 is replaced into a corresponding model according to the size of an inner ring of the torsion spring 5.

Preferably, the checking fixture body 2 is further provided with a limiting cylinder 12 and a limiting block 13, the limiting cylinder 12 and the limiting block 13 are arranged between the fixture body and the positioning stepped cylinder 11, the limiting cylinder 12 and the limiting block 13 are arranged on an axis parallel to the first detection groove 21, a torque arm of the torsion spring 5 is placed between the two limiting cylinders 12 and the limiting block 13, and the torque arm of the torsion spring 5 is primarily limited, so that the torsion spring 5 does not rotate.

The use process of the gauge is as follows:

step 1: the checking fixture support 1 is placed on a workbench, a nut 4 on a fixing bolt 3 is unscrewed, the height of the top surface of the checking fixture main body 2 relative to the height of the checking fixture support 1 is adjusted to be the wire diameter of a torsion spring 5 to be detected by means of a square ruler, the top surface of the checking fixture main body 2 is adjusted to be horizontal, the nut 4 is pre-tightened, the limit deviation angles from the top surfaces of the checking fixture main body 2 and the clamp support to a torsion arm of the torsion spring 5 are adjusted by means of the square ruler, and the nut 4;

step 2: replacing the model of a positioning stepped cylinder 11 matched with the inner ring of the tested torsion spring 5, and screwing a fastening screw;

and step 3: torsion spring 5 inner circle registrate on location ladder cylinder 11, and torsion spring 5's torque arm is placed in second detection groove 23, and whether the terminal surface of observing the detection torque arm is in between the second detection groove 23 width, whether the radial torsion angle of observing the detection torque arm surpasss examines 2 top surfaces of utensil main part, can detect out that torsion spring 5 torque arm length and torque arm torsion angle are up to standard or not.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be 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. The utility model provides an utensil is examined to torsion spring, includes examines a support and examines a main part, its characterized in that, it is equipped with the locating hole to examine a support top surface, the locating hole is used for placing location ladder cylinder, it is equipped with first detection groove and second detection groove to examine a main part top surface, it is equipped with the button head slotted hole to examine a main part both sides face, it is equipped with the through-hole that corresponds with the straight fluted hole of examining a support to examine a support side, it is fixed with the through-hole coupling nut that examines a support with examine a main part and pass through set screw.

2. The device for detecting a torsion spring according to claim 1, wherein the positioning stepped cylinder is composed of an upper cylinder and a lower cylinder having different diameters and the same rotating shaft, and the positioning stepped cylinder is fixed by a set screw connected with a countersunk threaded hole in a side surface of the device body.

3. The checking fixture for the torsion spring according to claim 1, wherein the checking fixture body is further provided with a limiting cylinder and a limiting block.