CN219413126U - Quick-change wedging device - Google Patents
Quick-change wedging device Download PDFInfo
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- CN219413126U CN219413126U CN202320567449.0U CN202320567449U CN219413126U CN 219413126 U CN219413126 U CN 219413126U CN 202320567449 U CN202320567449 U CN 202320567449U CN 219413126 U CN219413126 U CN 219413126U
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- wedge
- pin hole
- wedging
- stud
- contact surface
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Abstract
The utility model provides a quick-change wedging device, which comprises: the first anti-loose wedge is provided with a first pin hole; the second anti-loose wedge is provided with a second pin hole, and the first pin hole and the second pin hole are positioned on the same axis; the stud penetrates through the first pin hole and the second pin hole, the stud is hinged with the first locking wedge at the wider side of the first locking wedge, and threads are arranged at one end of the stud, which is close to the second locking wedge; and the locking nut surrounds the stud and is in threaded connection with the stud. According to the utility model, the first anti-loosening wedge and the second anti-loosening wedge are communicated through the stud, the locking nut is arranged to be matched with the thread at the tail end of the stud, so that wedging and anti-loosening are realized, the locking nut is only required to be screwed or unscrewed to drive the second anti-loosening wedge to move, the whole width of the quick-change wedging device is increased or reduced, and the wedging device can be conveniently, rapidly and stably assembled and disassembled.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a quick-change wedging device.
Background
Wedges have long been used. In daily mechanical operations, a wedging device consisting of two wedges is often used to adjust the tightness of the equipment. As shown in fig. 1, the wedges currently used are a pair of wedges each consisting of a pair of cams each having a slant surface on one side. The two wedges are moved relatively by knocking the movable wedge block 2 so as to increase/decrease the distance d1 supported by the two wedge blocks, thereby realizing tightness adjustment. When the wedges need to be replaced or removed, as shown in fig. 2, the wedges 1 or 2 need to be knocked out, reducing the length of the second distance d2, which is laborious and time-consuming. Moreover, the force is difficult to control during knocking, so that the wedge is easily knocked out instantly, and if the preparation is insufficient, the huge change of the tightness of the wedge easily brings adverse effects to equipment.
The utility model provides a quick-change wedging device which can be conveniently, quickly and stably installed and detached.
Disclosure of Invention
The utility model provides a quick-change wedging device, which can realize the quick and loose replacement and wedging of parts by adjusting the tightness of a nut.
In order to achieve the above object, an embodiment of the present utility model provides a quick-change wedging device, including: the anti-loosening wedge comprises a first equipment contact surface and a first wedging surface, wherein the first equipment contact surface is used for contacting the surface of equipment to be wedged, the first wedging surface is opposite to the first equipment contact surface, the first wedging surface is longer than the first equipment contact surface and is inclined relative to the first equipment contact surface, the first anti-loosening wedge is provided with a first pin hole, the first pin hole starts from the wider side of the first anti-loosening wedge and is inclined relative to the first wedging surface, and the first wedging surface is provided with a first semicircular cavity; the second anti-loosening wedge comprises a second equipment contact surface and a second wedging surface, the second equipment contact surface is used for contacting the surface of equipment to be wedged, the second wedging surface is opposite to the second equipment contact surface, the second wedging surface is longer than the first equipment contact surface and is inclined relative to the first equipment contact surface, the first wedging surface and the second wedging surface are mutually attached, a second semicircular cavity is arranged on the position opposite to the first semicircular cavity, the second anti-loosening wedge is provided with a second pin hole, the second pin hole is formed in one wider side of the second anti-loosening wedge and is inclined relative to the second wedging surface, the first pin hole and the second pin hole are positioned on the same axis, the second pin hole comprises a first section and a second section, the diameter of the first section is larger than that of the second section, and the first section is close to one wider side of the second wedge; the stud penetrates through the first pin hole, the first semicircular cavity, the second semicircular cavity and the second pin hole, the stud is hinged with the first locking wedge at one wider side of the first locking wedge, the first semicircular cavity and the second semicircular cavity form a complete circular cavity and surround the stud, and one end of the stud, which is close to the second locking wedge, is provided with threads; and the lock nut surrounds the stud, the lock nut is in threaded connection with the stud, the lock nut comprises a cap part and a rod part, the cap part is deeper into the second pin hole than the rod part, and the diameter of the cap part is equal to or slightly larger than the diameter of the first section of the second pin hole.
Further, the quick-change wedging device further comprises a damper, wherein the damper is tightly attached to and surrounds the stud, and the damper is arranged in the first semicircular cavity and the second semicircular cavity.
Further, in the first section of second pinhole, set gradually ball seat, a plurality of dish spring and ball branch from inside to outside, the bottom of ball branch is in line with lock nut's cap portion's shape.
Compared with the prior art, according to the quick-change wedging device provided by the embodiment of the utility model, the first anti-loosening wedge and the second anti-loosening wedge are communicated through the stud, the lock nut is arranged at the tail end of the stud, and when wedging is needed, the second anti-loosening wedge is driven to move by tightening the lock nut, so that the whole width of the wedging device is increased to achieve wedging, vibration caused by hammering the second anti-loosening wedge is avoided, the influence on equipment is reduced, and the abrasion degree of the contact surface of the second anti-loosening wedge and the first anti-loosening wedge is reduced; when the equipment parts are replaced, the quick-change wedging device is detached, the locking nut is only required to be unscrewed to drive the second anti-loose wedge to move, the whole width of the quick-change wedging device is reduced, the quick-change wedging device can be taken down, the equipment parts can be replaced quickly, the working efficiency is improved effectively, and the influence on equipment is reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art wedging device;
FIG. 2 illustrates the prior art wedging device of FIG. 1 in a wedging state; and
fig. 3 is a schematic overall structure of a quick-change wedging device according to an embodiment of the present utility model.
Reference numerals:
1. a first anti-loose wedge; 101. a first wedging surface; 102. a first device contact surface;
2. a second anti-loose wedge; 201. a second wedging surface; 202. a second device contact surface;
3. a stud; 4. a lock nut; 5. a retainer ring; 601. a ball seat; 602. a disc spring; 603. a ball support; 7. a damper; 8. a first semicircular cavity; 9. a second semi-circular cavity; 10. a first pin hole; 11. a second pin hole; 1101. a first section; 1102. a second section; 12. hinging; 13. an apparatus;
d1. a first pitch; d2. and a second pitch.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
As shown in fig. 3, there is provided a quick-change wedging device according to an embodiment of the present utility model, including: the first anti-loosening wedge 1, the first anti-loosening wedge 1 comprises a first equipment contact surface 102 and a first wedging surface 101, the first equipment contact surface 102 is used for contacting the surface of equipment to be wedged, the first wedging surface 101 is opposite to the first equipment contact surface 102, the first wedging surface 101 is longer than the first equipment contact surface 102 and is inclined relative to the first equipment contact surface 102, the first anti-loosening wedge 1 is provided with a first pin hole 10, the first pin hole 10 is formed on the wider side of the first anti-loosening wedge 1 and is inclined relative to the first wedging surface 101, and the first wedging surface 101 is provided with a first semicircular cavity 8; the second anti-loosening wedge 2, the second anti-loosening wedge 2 includes a second equipment contact surface 202 and a second wedging surface 201, the second equipment contact surface 202 is used for contacting the surface of equipment needing wedging, the second wedging surface 201 is opposite to the second equipment contact surface 202, the second wedging surface 201 is longer than the first equipment contact surface 102 and is inclined relative to the first equipment contact surface 102, the first wedging surface 101 is mutually attached to the second wedging surface 201, the second wedging surface 201 is provided with a second semicircular cavity 9 at a position opposite to the first semicircular cavity 8, the second anti-loosening wedge 2 is provided with a second pin hole 11, the second pin hole 11 is formed on the wider side of the second anti-loosening wedge 2 and is inclined relative to the second wedging surface 201, the first pin hole 10 is positioned on the same axis with the second pin hole 11, the second pin hole 11 includes a first section 1101 and a second section 1102, the diameter of the first section 1101 is larger than the diameter of the second section 1102, and the first section 1101 is close to the wider side of the second anti-loosening wedge 2; the stud 3 passes through the first pin hole 10, the first semicircular cavity 8, the second semicircular cavity 9 and the second pin hole 11, the stud 3 is hinged with the first locking wedge 1 at the wider side of the first locking wedge 1, the first semicircular cavity 8 and the second semicircular cavity 9 form a complete circular cavity and surround the stud 3, and one end of the stud 3 close to the second locking wedge 2 is provided with threads; and a lock nut 4, the lock nut 4 surrounding the stud 3, the lock nut 4 being in threaded connection with the stud 3, the lock nut 4 comprising a cap portion and a stem portion, the cap portion being deeper into the second pin bore 11 than the stem portion, the diameter of the cap portion being equal to or slightly larger than the diameter of the first section 1101 of the second pin bore.
In use, the stud 3 is inserted into the first pin bore 10 and the second pin bore 11. The quick-change wedging device is integrally arranged at a position needing wedging, at the moment, the first equipment contact surface of the first anti-loose wedge and the second equipment contact surface of the second anti-loose wedge are in contact with equipment, when wedging is needed, the locking nut is screwed down to reach a designated position, the second anti-loose wedge moves to a narrower side, and the whole width of the wedging device is enlarged, so that parts of the equipment are wedged. When the parts are required to be replaced, the locking nut is unscrewed, the second anti-loose wedge moves to the wider side, the whole width of the wedging device is narrowed, the quick-change wedging device is in a stretching state, and at the moment, the wedging device can be taken off to replace the parts. Further, the quick-change wedging device further comprises a damper 7, the damper 7 is clung to and surrounds the stud 3, and the damper 7 is arranged in the first semicircular cavity 8 and the second semicircular cavity 9. When the lock nut is screwed, the second anti-loose wedge is driven by the lock nut to move inwards to achieve the purpose of locking, and the damper increases friction between the stud and the circular cavities in the first anti-loose wedge and between the stud and the second anti-loose wedge, so that the second anti-loose wedge is prevented from slipping.
Further, in the first section 1101 of the second pin hole 11, a ball seat 601, a plurality of disc springs 602, and a ball 603 are provided in this order from the inside to the outside, and the bottom of the ball 603 conforms to the shape of the cap of the lock nut 4. The contact surfaces of the cap part of the locking nut, the ball seat, the plurality of disc springs and the ball support are enlarged, and the locking nut is screwed to play a role in buffering.
Preferably, the quick-change wedging device further comprises a retainer ring 5, wherein the retainer ring is arranged at the tail end of the first section 1101 of the second pin hole 11 and opposite to the second section 1102 of the second pin hole 11, the diameter of the retainer ring is smaller than that of the first section 1101 of the second pin hole 11, and a step limiting position of the retainer ring is contacted with the bottom of the cap part of the lock nut. The check ring limits the travel of the lock nut and prevents the lock nut from tripping. The retainer can be further provided with threads, so that the retainer is convenient to be matched with the stud, and the fastening effect is further enhanced.
During assembly, the stud is hinged and fixed to the first anti-loose wedge, then the stud penetrates through the second pin hole of the second anti-loose wedge, the first wedge tightening surface of the first anti-loose wedge corresponds to the second wedge tightening surface of the second anti-loose wedge, the ball seat, the plurality of disc springs and the ball support are sleeved into the stud and fall into the second section of the second pin hole of the second anti-loose wedge, the locking nut is mounted on the thread of the stud to move into the second section, and finally the retainer ring is mounted and is arranged in the second section hole to limit the travel of the locking nut, so that the quick-change wedging device is assembled.
In the embodiment of the utility model, the first anti-loose wedge is communicated with the second anti-loose wedge through the stud, the stud is hinged and fixed with the first anti-loose wedge, and the stud is matched with the lock nut to enable the second anti-loose wedge to move so as to change the whole width of the wedging device, so that the purposes of wedging and releasing are achieved. According to the utility model, the ball seat, the plurality of disc springs and the ball support are designed, the locking nut is screwed down and then is acted on the ball seat, the plurality of disc springs and the ball support, and then the ball seat, the plurality of disc springs and the ball support influence the second anti-loose wedge to play a role in buffering, so that the durability of the second anti-loose wedge is greatly improved, and the failure rate of the whole device is reduced.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer" orientation or positional relationship are merely for convenience of description and to simplify the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (3)
1. A quick change keying device comprising:
the anti-loosening wedge comprises a first equipment contact surface and a first wedging surface, wherein the first equipment contact surface is used for contacting the surface of equipment to be wedged, the first wedging surface is opposite to the first equipment contact surface, the first wedging surface is longer than the first equipment contact surface and is inclined relative to the first equipment contact surface, the first anti-loosening wedge is provided with a first pin hole, the first pin hole starts from the wider side of the first anti-loosening wedge and is inclined relative to the first wedging surface, and the first wedging surface is provided with a first semicircular cavity;
the second anti-loosening wedge comprises a second equipment contact surface and a second wedging surface, the second equipment contact surface is used for contacting the surface of equipment to be wedged, the second wedging surface is opposite to the second equipment contact surface, the second wedging surface is longer than the first equipment contact surface and is inclined relative to the first equipment contact surface, the first wedging surface and the second wedging surface are mutually attached, a second semicircular cavity is arranged on the position opposite to the first semicircular cavity, the second anti-loosening wedge is provided with a second pin hole, the second pin hole is formed in one wider side of the second anti-loosening wedge and is inclined relative to the second wedging surface, the first pin hole and the second pin hole are positioned on the same axis, the second pin hole comprises a first section and a second section, the diameter of the first section is larger than that of the second section, and the first section is close to one wider side of the second wedge;
the quick-change wedging device is characterized by further comprising:
the stud penetrates through the first pin hole, the first semicircular cavity, the second semicircular cavity and the second pin hole, the stud is hinged with the first locking wedge at one wider side of the first locking wedge, the first semicircular cavity and the second semicircular cavity form a complete circular cavity and surround the stud, and one end of the stud, which is close to the second locking wedge, is provided with threads; and
the locking nut surrounds the stud, the locking nut is in threaded connection with the stud, the locking nut comprises a cap portion and a rod portion, the cap portion is deeper into the second pin hole than the rod portion, and the diameter of the cap portion is equal to or slightly larger than the diameter of the first section of the second pin hole.
2. The quick change keying device of claim 1, further comprising a damper, said damper being snugly and surrounding said stud, said damper being disposed in said first and second semi-circular cavities.
3. The quick change wedging device according to claim 1, wherein a ball seat, a plurality of disc springs and a ball support are arranged in the first section of the second pin hole from inside to outside in sequence, and the bottom of the ball support is in accordance with the shape of the cap of the lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320567449.0U CN219413126U (en) | 2023-03-22 | 2023-03-22 | Quick-change wedging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320567449.0U CN219413126U (en) | 2023-03-22 | 2023-03-22 | Quick-change wedging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413126U true CN219413126U (en) | 2023-07-25 |
Family
ID=87244250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320567449.0U Active CN219413126U (en) | 2023-03-22 | 2023-03-22 | Quick-change wedging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413126U (en) |
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2023
- 2023-03-22 CN CN202320567449.0U patent/CN219413126U/en active Active
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