阅读说明：本技术 一种高强度新型机械五金件 (Novel high-strength mechanical hardware ) 是由 王萍萍 于 2020-07-24 设计创作，主要内容包括：本发明涉及五金技术领域,且公开了一种高强度新型机械五金件,包括工件,所述工件上表面的中心处开设有轴孔,所述工件的上表面靠近轴孔开设有通孔,所述工件的内部插接有主轴,所述主轴的表面套接有上连接件,所述主轴的上表面固定连接有花键。一种高强度新型机械五金件,通过紧固装置上的螺帽、冒环、壳体和丝孔等结构的设置,将壳体卡接于螺帽的表面,不仅方便了螺帽的转动,便于工作人员的操作,又可以使螺栓的一端螺纹连接于丝孔内,既降低了工件使用时螺帽脱落的可能性,又可以对螺栓的底部进行有效的保护,避免了因油污和灰尘大量附着于螺栓的表面,造成螺栓锈蚀,而导致螺栓后期不便于拆卸的情况发生,提高了该装置的使用寿命。(The invention relates to the technical field of hardware and discloses a novel high-strength mechanical hardware which comprises a workpiece, wherein a shaft hole is formed in the center of the upper surface of the workpiece, a through hole is formed in the upper surface of the workpiece, which is close to the shaft hole, a main shaft is inserted into the workpiece, an upper connecting piece is sleeved on the surface of the main shaft, and a spline is fixedly connected to the upper surface of the main shaft. The utility model provides a novel mechanical hardware of high strength, nut through fastener is last, emit the ring, the setting of casing and screw hole isotructure, with the casing joint in the surface of nut, the rotation of nut has not only been made things convenient for, the staff's of being convenient for operation, one end threaded connection that can make the bolt again is downthehole in the screw, the possibility that the nut drops when both having reduced the work piece and using, can carry out effectual protection to the bottom of bolt again, avoided being attached to the surface of bolt because of greasy dirt and dust in a large number, cause the bolt corrosion, and lead to the bolt later stage not convenient for the condition of dismantling to take place, the service life of the device is prolonged.)

1. The utility model provides a novel mechanical hardware of high strength, includes work piece (1), its characterized in that: the workpiece support is characterized in that a shaft hole (2) is formed in the center of the upper surface of the workpiece (1), a through hole (3) is formed in the upper surface of the workpiece (1) close to the shaft hole (2), a main shaft (4) is inserted into the workpiece (2), an upper connecting piece (5) is sleeved on the surface of the main shaft (4), a spline (6) is fixedly connected to the upper surface of the main shaft (4), a fixing ring (7) is sleeved on the surface of the spline (6), and a lower connecting piece (8) is sleeved at the bottom end of the main shaft (4).

2. The novel high-strength mechanical hardware as claimed in claim 1, wherein: the surface of the lower connecting piece (8) and the surface of the upper connecting piece (5) are fixedly connected with fixing plates (9), and the inner threads of the fixing plates (9) are connected with bolts (10).

3. The novel high-strength mechanical hardware as claimed in claim 1, wherein: the outer side of the fixing ring (7) is provided with a threaded hole (11), the inner thread of the threaded hole (11) is connected with a female screw (12), and one side of the female screw (12) is connected with a protective device (13) through the threaded hole.

4. The novel high-strength mechanical hardware as claimed in claim 1, wherein: the protective device (13) comprises a sub-screw (1301), one end of the sub-screw (1301) is fixedly connected with a protective shell (1302), and an anti-skid rubber ring (1303) is arranged on the surface of the protective shell (1302).

5. The novel high-strength mechanical hardware as claimed in claim 1, wherein: the surface of the upper connecting piece (5) is provided with a key hole (14) matched with the spline (6), and the upper surface of the lower connecting piece (8) is provided with a sleeve hole (15).

6. The novel high-strength mechanical hardware as claimed in claim 1, wherein: one end of each bolt (10) is in threaded connection with a fastening device (16), and the number of the bolts (10) is three.

7. The novel high-strength mechanical hardware as claimed in claim 1, wherein: fastener (16) include nut (1610), the surface joint of nut (1601) has cap ring (1602), the lower surface fixedly connected with casing (1603) of cap ring (1602), screw hole (1604) with bolt (10) assorted is seted up to the inside of casing (1603).

8. The novel high-strength mechanical hardware as claimed in claim 1, wherein: the surfaces of the lower connecting piece (8) and the upper connecting piece (5) are close to the fixed plate (9) and are fixedly connected with reinforcing blocks (17).

Technical Field

The invention relates to the technical field of hardware, in particular to novel high-strength mechanical hardware.

Background

Motors and shafts are typically used during the mechanical installation process; work piece and axle adopt the key-type connection mostly, and work piece and axle often can appear not fitting the phenomenon when adding man-hour, and most are direct with work piece and main shaft welding, cause the inconvenience of later stage maintenance, provide a novel mechanical hardware of high strength and be applicable to the connection of axle and work piece for this reason

The high-strength novel mechanical hardware disclosed in the chinese patent CN201721444221.3 often has the problem that the shaft hole of the workpiece is not matched with the spindle in the machining process, and if the workpiece and the spindle are directly installed, the spindle and the workpiece vibrate in the working engineering, so that the operation is unstable and the risk is very high; the problem that the workpiece or the main shaft is wasted due to the fact that the shaft hole is too large or the diameter of the main shaft is small cannot be solved, the main shaft and the workpiece are directly welded in some cases, and serious influence is caused when connection strength and later-stage disassembly and maintenance are carried out; the design of the hardware connecting piece solves the problem, and the key hole of the hardware connecting piece is inserted into the spline on the main shaft; the bottom of the fixing plate is in contact with the top of the workpiece, a circle center position is drawn on the top of the workpiece through two small round holes by a stone pen, and the workpiece is rotated to a certain position; and marking a round point on the center punch, and punching through the workpiece by using a drill bit to finish the processing of the workpiece. Although the patent mentions that the problem of the mismatching of the workpiece shaft hole and the spindle can be solved, there is a disadvantage:

1. in the prior art, a large amount of oil stains and dust can be attached to the surface of a workpiece after the workpiece is used for a long time, so that threads on the surface of a bolt are easily corroded, and the later-period disassembly and maintenance are inconvenient;

2. in the prior art, the main shaft and the workpiece are fixed in a one-way mode only through the hardware connecting piece, when the main shaft moves to one side, the spline falls off from the key hole, the workpiece is rocked, and the practicability is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel high-strength mechanical hardware which has the advantages of convenience in disassembly and maintenance, strong fracture resistance and the like, and solves the problems in the background art.

(II) technical scheme

In order to realize the purpose of facilitating the later maintenance, the invention provides the following technical scheme: the utility model provides a novel mechanical hardware of high strength, includes the work piece, the center department of work piece upper surface has seted up the shaft hole, the upper surface of work piece is close to the shaft hole and has seted up the through-hole, the inside grafting of work piece has the main shaft, the surface of main shaft has cup jointed the upper junction spare, the last fixed surface of main shaft is connected with the spline, solid fixed ring has been cup jointed on the surface of spline, the bottom of main shaft has cup jointed down the connecting piece

Preferably, the surfaces of the lower connecting piece and the upper connecting piece are fixedly connected with fixing plates, and bolts are connected to the inner threads of the fixing plates.

Preferably, the outer side of the fixing ring is provided with a threaded hole, the inner thread of the threaded hole is connected with a female screw, and one side of the female screw is connected with a protective device through the threaded hole.

Preferably, the protection device comprises a sub-screw, one end of the sub-screw is fixedly connected with a protection shell, and an anti-skid rubber ring is arranged on the surface of the protection shell.

Preferably, the surface of the upper connecting piece is provided with a key hole matched with the spline, and the upper surface of the lower connecting piece is provided with a sleeve hole.

Preferably, one end of each bolt is in threaded connection with a fastening device, and the number of the bolts is three.

Preferably, the fastening device comprises a nut, a cap ring is clamped on the surface of the nut, a shell is fixedly connected to the lower surface of the cap ring, and a threaded hole matched with the bolt is formed in the shell.

Preferably, the surfaces of the lower connecting piece and the upper connecting piece are both fixedly connected with reinforcing blocks close to the fixing plate.

(III) advantageous effects

Compared with the prior art, the invention provides a novel high-strength mechanical hardware, which has the following beneficial effects:

1. this novel mechanical hardware of high strength, by the work piece, the shaft hole, the through-hole, the main shaft, go up the connecting piece, lower connecting piece, the setting of spline and boss isotructure, when the main shaft is not matched with the work piece, will go up the connecting piece and cup joint in the surface of spline, lower connecting piece cup joints in the bottom of main shaft, it is fixed to rotate the bolt messenger, thereby can be connected the work piece with the main shaft, solve the unmatched problem of work piece shaft hole and main shaft, the device's practicality has been improved, through solid fixed ring, the screw hole, the setting of female screw and protector isotructure, rotate female screw, make its one end run through solid fixed ring threaded connection in the surface of spline, thereby avoided sliding to one side accident because of the main shaft, and lead to its possibility that drops with the work piece, the security.

2. The high-strength novel mechanical hardware piece is characterized in that the shell is clamped on the surface of the nut through the arrangement of the structures such as the nut, the cap ring, the shell and the threaded hole on the fastening device, so that the rotation of the nut is facilitated, the operation of workers is facilitated, and meanwhile, one end of the bolt can be connected in the threaded hole through threads, thereby not only reducing the possibility that the nut falls off when a workpiece is used, but also effectively protecting the bottom of the bolt, avoiding the phenomenon that the bolt is rusted due to the fact that oil stain and dust are attached to the surface of the bolt in a large quantity, and causing the later-stage inconvenient disassembly of the bolt, prolonging the service life of the device, effectively clamping and fixing the workpiece by the bolt through the arrangement of the structures such as the upper connecting piece, the lower connecting piece, the reinforcing block, the bolt and the fastening device, and the upper connecting piece and the lower connecting piece can also enable the, the overall fracture resistance of the device is improved.

Drawings

FIG. 1 is a schematic diagram of a first form structure of a high-strength novel mechanical hardware provided by the present invention;

FIG. 2 is a schematic diagram of a second structural configuration of a high-strength novel mechanical hardware according to the present invention;

FIG. 3 is a partially disassembled structural diagram of a high-strength novel mechanical hardware proposed by the present invention;

FIG. 4 is a schematic view of a disassembled structure of the novel high-strength mechanical hardware protection device provided by the invention;

FIG. 5 is a schematic structural view of a novel high-strength mechanical hardware fastening device according to the present invention;

FIG. 6 is an enlarged schematic structural view of the point A in the second drawing of the novel high-strength mechanical hardware provided by the present invention;

fig. 7 is an enlarged structural schematic diagram of a high-strength novel mechanical hardware component shown in fig. two, wherein the enlarged structural schematic diagram is shown at a position B.

In the figure: 1. a workpiece; 2. a shaft hole; 3. a through hole; 4. a main shaft; 5. an upper connecting piece; 6. a spline; 7. a fixing ring; 8. a lower connecting piece; 9. a fixing plate; 10. a bolt; 11. a threaded hole; 12. a female screw; 13. a guard; 1301. a sub-screw; 1302. a protective shell; 1303. an anti-slip rubber ring; 14. a keyhole; 15. trepanning; 16. a fastening device; 1601. a nut; 1602. a cap ring; 1603. a housing; 1604. a silk hole; 17. and a reinforcing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, including a workpiece 1, a shaft hole 2 is formed in the center of the upper surface of the workpiece 1, through holes 3 are formed in the upper surface of the workpiece 1 near the shaft hole 2, the number of the through holes 3 is three, a spindle 4 is inserted into the workpiece 2, an upper connecting member 5 is sleeved on the surface of the spindle 4, a spline 6 is fixedly connected to the upper surface of the spindle 4, a keyhole 14 matched with the spline 6 is formed in the surface of the upper connecting member 5, a fixing ring 7 is sleeved on the surface of the spline 6, a threaded hole 11 is formed in the outer side of the fixing ring 7, a slotted hole matched with the spline 6 is formed in the inner side of the fixing ring 7, a protection groove matched with a protection device 13 is formed in the outer side of the fixing ring 7 near the threaded hole 11, a female screw 12 is connected to the inner thread of the threaded hole 11, a protection device 13 is, one end of the sub-screw 1301 is fixedly connected with a protective shell 1302, the protective shell 1302 can effectively protect the female screw 12, the adhesion of oil stain and dust is reduced, the later-stage disassembly and maintenance are convenient, an anti-skid rubber ring 1303 is arranged on the surface of the protective shell 1301, the bottom end of the main shaft 4 is sleeved with a lower connecting piece 8, the upper surface of the lower connecting piece 8 is provided with a sleeve hole 15, the surfaces of the lower connecting piece 8 and the upper connecting piece 5 are fixedly connected with a fixing plate 9, the surfaces of the lower connecting piece 8 and the upper connecting piece 5 are close to the fixing plate 9 and are fixedly connected with a reinforcing block 17, the anti-fracture strength between the upper connecting piece 5 and the lower connecting piece 8 and the fixing plate 9 is improved through the arrangement of the reinforcing block 17, the inner thread of the fixing plate 9 is connected with a bolt 10, the surface of the fixing 9 is provided with a round hole matched with the screw, the fastening device 16 includes a nut 1610, a cap ring 1602 is clamped on the surface of the nut 1601, a housing 1603 is fixedly connected to the lower surface of the cap ring 1602, and a screw hole 1604 matched with the bolt 10 is formed in the housing 1603.

When the device is used, through the arrangement of structures such as the workpiece 1, the shaft hole 2, the through hole 3, the spindle 4, the upper connecting piece 5, the lower connecting piece 8, the spline 6, the reinforcing block 17 and the like, when the spindle 4 is not matched with the workpiece 1, the upper connecting piece 5 is sleeved on the surface of the spline 6, the lower connecting piece 8 is sleeved on the bottom of the spindle 4, the bolt 10 is rotated to be fixed, so that the workpiece 1 can be connected with the spindle 4, the practicability of the device is improved, through the arrangement of the structures such as the fixing ring 7, the threaded hole 11, the female screw 12, the protecting device 13 and the like, the female screw 12 is rotated, one end of the female screw penetrates through the fixing ring 7 to be in threaded connection with the surface of the spline 6, the possibility that the workpiece 1 falls off due to accidental sliding of the spindle 4 is avoided, the safety of the device in use is improved, through the arrangement of the structures such as the nut 1601, the cap 1602, with casing 1603 joint in the surface of nut 1601, not only convenient rotation of nut 1601, the staff's of being convenient for operation, and simultaneously, one end threaded connection who can make bolt 10 again is in screw hole 1604, the possibility that nut 1601 drops when both having reduced the work piece and using, can carry out effectual protection to bolt 10's bottom again, avoided attaching to bolt 10's surface in a large number because of greasy dirt and dust, cause the corrosion of bolt 10, and the condition that leads to the not convenient to detach in bolt 10 later stage takes place, the device's life has been improved, through last connecting piece 5, lower connecting piece 8, reinforcing block 17, the setting of bolt 10 and fastener 16 isotructure, when making bolt 10 carry out effective centre gripping fixed to work piece 1, go up connecting piece 5 and lower connecting piece 8 and can make and carry out mutual fixed between bolt 10 again, the holistic fracture resistance of the device has been improved.

In conclusion, the operation steps of the novel high-strength mechanical hardware are as follows;

1. when the device is used, a user clamps the upper connecting piece 5 into the spline 6 on the main shaft 4, the fixing plate 9 is contacted with the upper surface of the workpiece 1, the measuring tool is used for measuring the mark, the main shaft 4 and the center point of the shaft hole 2 are in the same vertical direction, then a marking pen is used for drawing the position of the center of a circle on the upper surface of the workpiece 1 through the round hole in the fixing plate 9, the workpiece 1 is rotated to a certain position, the center point is marked at the center, the workpiece 1 is punched through by a drill, and the workpiece 3 is pretreated;

2. inserting a bolt 10 into the through hole 3 through a round hole on an upper fixing plate 9 of the upper connecting piece 5, clamping the lower connecting piece 8 into the bottom of the bolt 10 through the fixing plate 9, connecting a fastening device 16 to one end of the bolt 10 in a threaded manner, and enabling one side of an upper nut 1601 of the fastening device 16 to be tightly attached to the surface of the upper fixing plate 9 of the lower connecting piece 8;

3. the fixing ring 7 is sleeved on the surface of the spline 6, the female screw 12 is rotated, one end of the female screw is in threaded connection with the inside of the spline 5 through the threaded hole 11, the protection device 13 is rotated, one end of the male screw 1301 is in threaded connection with the inside of the female screw 12, the protection shell 1302 and the anti-skid rubber ring 1303 are in threaded connection with a protection groove formed in the surface of the fixing ring 7, and therefore effective sealing protection can be conducted on the female screw 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.