CN214667384U - Torque spring indicator - Google Patents
Torque spring indicator Download PDFInfo
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- CN214667384U CN214667384U CN202121396797.3U CN202121396797U CN214667384U CN 214667384 U CN214667384 U CN 214667384U CN 202121396797 U CN202121396797 U CN 202121396797U CN 214667384 U CN214667384 U CN 214667384U
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- torque
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Abstract
The utility model discloses a torque spring indicator, including filling up, spring bowl, nut, the pad cover include the cavity, the lateral wall of cavity is provided with a fluting, the center department of cavity bottom and spring bowl be provided with the through-hole that the diameter is greater than screw hole diameter on the nut, the spring bowl make for powerful spring leaf, the cross-section of spring bowl is the dogleg shape, the outside of spring bowl is provided with an outstanding instruction piece, the spring bowl set up in the cavity, just instruct the piece and keep away from the cavity bottom, instruct the piece and slot position corresponding, the pad cover is provided with scale or scale along the fluting direction in fluting department. The invention can directly indicate the torque and is convenient to adjust a group of nuts arranged on the same device.
Description
Technical Field
The utility model relates to a moment indicating device technical field, in particular to moment spring indicator.
Background
During use of the bolt, wrench tightening of the bolt is typically accomplished in a "staggered" pattern. On a device requiring multiple bolts for fixing, the fixing and pressing degree of the multiple bolts, that is, whether the torque is uniform or not, generally affects the stability of the device. Generally, the control of the torque is completely controlled by an operator according to experience, and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a torque spring indicator changes torque variation into stroke variation, and operating personnel can adjust nut moment size through the relative position of instructing piece and scale directly perceivedly, makes the moment of a plurality of nuts keep unanimous, makes mounting structure reliable and stable.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a torque spring indicator comprises a cushion cover, wherein a cavity is formed in the cushion cover, a spring bowl is arranged in the cavity, and the spring bowl is connected with a nut; a first through hole is formed in the center of the bottom end of the cavity, a second through hole is formed in the center of the spring bowl, and the diameters of the first through hole and the second through hole are larger than the diameter of a threaded hole in the nut; the side wall of the cavity is provided with a long strip-shaped notch, and the outer side of the cushion cover is provided with scales along the notch direction; a protruding indicating block is arranged on the outer side of the spring bowl, the indicating block is far away from the bottom end of the cavity, and the indicating block corresponds to the groove and extends out of the groove.
Preferably, one side of the nut is provided with a retainer ring, and the outer diameter of the retainer ring is larger than the outer diameter of the spring bowl and smaller than the inner diameter of the cushion cover.
Preferably, the spring bowl is made of a strong spring piece, a cone frustum-shaped spring piece is convexly formed in the middle of the spring bowl, and a second through hole is formed in the cone frustum.
Preferably, the indication block is a wedge, and the tip of the wedge faces outwards.
Preferably, the inner side surface of the cavity, the contact surface of the spring bowl and the bottom end of the cavity and the upper and lower surfaces of the retainer ring are rough surfaces.
Preferably, the scale is a detachable scale.
Preferably, the graduated scale is detachably connected to the outer side of the cushion cover through magnetic adsorption, bolt fixation or adhesion.
The utility model has the advantages as follows:
1. the spring bowl can deform in the bolt fastening process, the bottom of the spring bowl is inwards turned along the cushion cover, the position of the indicating block in the groove is moved, an operator can quantitatively and accurately determine the deformation amount according to the relative position of the indicating block in the groove and the scale or the graduated scale at the groove, and the deformation amount is only determined by the pressure change of the nut, so that the torque of the nut can be determined accordingly, and a group of nuts arranged on the same device can be conveniently adjusted to be the same torque.
2. The inner side surface of the cavity and the contact surface of the spring bowl and the bottom end of the cavity are both rough surfaces, so that the fastening performance is enhanced; after the moment is determined in actual operation, the moment nut can be kept from loosening due to vibration of the device.
Drawings
Fig. 1 is a schematic view of an overall structure of a torque spring indicator according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of components of a torque spring indicator according to an embodiment of the present invention.
Fig. 3 is a schematic view of a torque spring indicator in an unused state according to embodiment 1 of the present invention.
Fig. 4 is a schematic view of a torque spring indicator in an operating state according to embodiment 2 of the present invention.
Wherein: 1-cushion cover, 2-spring bowl, 3-nut, 4-side wall, 5-cavity, 51-first through hole, 6-slot, 7-second through hole, 8-indication block, 9-graduated scale and 10-check ring.
Detailed Description
To facilitate an understanding of the present invention, the present invention is described more fully below with reference to the accompanying drawings, 1 through 4, of the specification. Preferred embodiments of the present invention are shown in the drawings. This 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.
It will be understood that when an element is referred to as being "disposed" on another element, it can be directly disposed or attached to the other element or intervening elements may also be present. The terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1-3, a torque spring indicator comprises a cushion cover 1, a cavity 5 is formed in the cushion cover 1, a spring bowl 2 is arranged in the cavity 5, and the spring bowl 2 is connected with a screw cap 3. A first through hole 51 is formed in the center of the bottom end of the cavity 5, a second through hole 7 is formed in the center of the spring bowl 2, and the diameters of the first through hole 51 and the second through hole 7 are larger than the diameter of a threaded hole in the nut 3.
The side wall 4 of the cavity 5 is provided with a strip-shaped open slot 6, and the outside of the cushion cover 1 is provided with a scale 9 along the direction of the open slot 6 at the open slot 6. The outer side of the spring bowl 2 is provided with a convex indicating block 8, the indicating block 8 is far away from the bottom end of the cavity 5, and the indicating block 8 corresponds to the slot 6 and extends out of the slot 6.
The spring bowl 2 is made of a strong spring piece, a cone frustum-shaped spring piece is convexly formed in the middle of the spring bowl 2, and a second through hole 7 is formed in the cone frustum.
One side of the nut 3 is provided with a retainer ring 10, and the outer diameter of the retainer ring 10 is larger than the outer diameter of the spring bowl 3 and smaller than the inner diameter of the cushion cover 1.
The indication block 8 is a wedge, and the tip of the wedge faces outwards.
The inner side surface of the cavity 5 and the contact surface of the spring bowl 2 and the bottom of the cavity 5 are rough surfaces.
The upper and lower surfaces of the retainer ring 10 are also provided as rough surfaces.
As shown in fig. 3 and 4, the spring bowl 2 is deformed during the bolt fastening process, and the bottom edge of the spring bowl is turned outwards to the inside of the cushion cover 1, so that the position of the indicating block 8 in the slot 6 is moved.
An operator can quantitatively and accurately determine the deformation quantity according to the relative position of the indicating block 8 in the slot 6 and the scale 9 at the slot 6, and the deformation is only determined by the pressure change of the nut 8, so that the torque of the nut 8 can be determined accordingly, and a group of nuts 8 arranged on the same device can be conveniently adjusted to have the same torque, so that the mounting structure is stable and reliable.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.
Claims (7)
1. A torque spring indicator is characterized by comprising a cushion cover (1), wherein a cavity (5) is formed in the cushion cover (1), a spring bowl (2) is arranged in the cavity (5), and the spring bowl (2) is connected with a nut (3); a first through hole (51) is formed in the center of the bottom end of the cavity (5), a second through hole (7) is formed in the center of the spring bowl (2), and the diameters of the first through hole (51) and the second through hole (7) are larger than the diameter of a threaded hole in the nut (3); a strip-shaped open slot (6) is formed in the side wall (4) of the cavity (5), and scales (9) along the direction of the open slot (6) are arranged on the outer side of the cushion cover (1); a convex indicating block (8) is arranged on the outer side of the spring bowl (2), the indicating block (8) is far away from the bottom end of the cavity (5), and the indicating block (8) corresponds to the slot (6) and extends out of the slot (6).
2. Moment spring indicator according to claim 1, characterized in that one side of the nut (3) is provided with a collar (10), the outer diameter of the collar (10) being larger than the outer diameter of the spring bowl (2) and smaller than the inner diameter of the casing (1).
3. The torque spring indicator according to claim 1, wherein the spring bowl (2) is made of a strong spring piece, a spring piece in the shape of a truncated cone is convexly formed in the middle of the spring bowl (2), and a second through hole (7) is formed in the truncated cone.
4. The torque spring indicator according to claim 1, wherein the indicator block (8) is a wedge, the tip of the wedge facing outwards.
5. The torque spring indicator according to claim 1, wherein the inner side surface of the cavity (5), the contact surface of the spring bowl (2) and the bottom end of the cavity (5), and the upper and lower surfaces of the retainer ring (10) are rough surfaces.
6. A torque spring indicator according to claim 1, wherein the scale (9) is a detachably arranged scale.
7. Moment spring indicator according to claim 6, characterized in that the graduated scale is detachably connected to the outside of the mattress cover (1) by magnetic attraction, bolting or adhesion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396797.3U CN214667384U (en) | 2021-06-23 | 2021-06-23 | Torque spring indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396797.3U CN214667384U (en) | 2021-06-23 | 2021-06-23 | Torque spring indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214667384U true CN214667384U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121396797.3U Active CN214667384U (en) | 2021-06-23 | 2021-06-23 | Torque spring indicator |
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| Country | Link |
|---|---|
| CN (1) | CN214667384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959706A (en) * | 2021-11-24 | 2022-01-21 | 广东电网有限责任公司 | Tension indicator and diagonal cable |
-
2021
- 2021-06-23 CN CN202121396797.3U patent/CN214667384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959706A (en) * | 2021-11-24 | 2022-01-21 | 广东电网有限责任公司 | Tension indicator and diagonal cable |
| CN113959706B (en) * | 2021-11-24 | 2023-10-03 | 广东电网有限责任公司 | Tension indicator and cable-stayed wire |
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