CN210178780U

CN210178780U - Precision type spline housing convenient to assembly

Info

Publication number: CN210178780U
Application number: CN201920982855.7U
Authority: CN
Inventors: Yan Qiu; 邱艳; Yu Liang; 梁裕; Fenghui Wang; 王凤辉
Original assignee: Anhui Tianjin Precision Machinery Co Ltd
Current assignee: Anhui Tianjin Precision Machinery Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-03-24
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses an accurate type spline housing convenient to assembly, including first bush, driven gear is installed to first bush's lower terminal surface, No. two driven gear are installed to first bush's up end, the rupture disc is installed to No. two driven gear's up end, the nut is installed to the up end of rupture disc, the screw thread post is all installed to the both sides of nut, the knob is installed to the top of screw thread post, the spacing thread post is installed to the lower terminal surface of knob, the spacer is installed to the lower terminal surface of spacing thread post, second bush is installed to the inboard of nut, needle frame is installed to second bush's inboard, needle frame's top is provided with the needle groove, the inboard in needle groove is installed and is adjusted solid fixed ring. The utility model discloses an adjust the cooperation of solid fixed ring and spacer, fixed kingpin and nut that can be stable avoid it to drop, have saved a large amount of use costs.

Description

Precision type spline housing convenient to assembly

Technical Field

The utility model relates to a spline housing technical field specifically is an accurate type spline housing convenient to assembly.

Background

With the rapid development of social economy, the spline coupling is composed of an internal spline and an external spline. The inner spline and the outer spline are both multi-tooth parts, the spline on the inner cylindrical surface is an inner spline, and the spline on the outer cylindrical surface is an outer spline. Obviously, the spline coupling is a development on the number of the flat key couplings, and compared with the flat key coupling, the spline coupling has the following characteristics in terms of strength, process and use due to the difference of the structural form and the manufacturing process: because more teeth and grooves are directly and uniformly formed on the shaft and the hub hole, the coupling stress is more uniform; because the groove is shallow, the stress concentration at the tooth root is small, and the strength weakening of the shaft and the hub is small; the number of teeth is more, and the total contact area is larger, so that larger load can be borne; the alignment of the parts on the shaft and the shaft is good, which is important for high-speed and precise machines; the guidance quality is good, which is important for dynamic connection; the processing precision and the connection quality can be improved by a grinding method; the manufacturing process is complicated, sometimes requires special equipment and is high in cost.

However, in the use process of the existing spline sleeve, the roller pin and the nut in the spline sleeve are easy to fall off, so that a user has to spend a large amount of cost for maintenance, and the use cost is greatly increased; therefore, the existing requirements are not met, and a precise spline housing convenient to assemble is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate type spline housing convenient to assembly to current spline housing that proposes in solving above-mentioned background art is in the use, and kingpin and nut in it very easily drop, make the user have to spend a large amount of costs to maintain, and use cost improves the scheduling problem greatly.

In order to achieve the above object, the utility model provides a following technical scheme: the precise spline housing convenient to assemble comprises a first bushing, a first driven gear is installed on the lower end face of the first bushing, a second driven gear is installed on the upper end face of the first bushing, a safety disc is installed on the upper end face of the second driven gear, a nut is installed on the upper end face of the safety disc, threaded columns are installed on two sides of the nut, a knob is installed above the threaded columns, a limiting threaded column is installed on the lower end face of the knob, a positioning sheet is installed on the lower end face of the limiting threaded column, a second bushing is installed on the inner side of the nut, a needle holder is installed on the inner side of the second bushing, a needle groove is formed in the upper portion of the needle holder, an adjusting fixing ring is installed on the inner side of the needle groove, a semi-circular groove is formed in the outer side of the adjusting fixing ring, a limiting plate is installed on the inner side of the adjusting fixing ring, and, and a limiting knob is arranged at one end of the limiting column.

Preferably, the outer side of the first lining is provided with an annular clamping groove, and the second driven gear is connected with the first lining through the annular clamping groove.

Preferably, the inner side of the threaded column is provided with a threaded hole, and the limiting threaded column is connected with the threaded column through the threaded hole.

Preferably, the inner side of the needle roller frame is provided with a limiting hole, the limiting knob extends to the outer side of the needle roller frame, and the limiting knob is connected with the needle roller frame through a limiting block.

Preferably, one end of the limiting plate is completely attached to the inner side of the adjusting and fixing ring, and the adjusting and fixing ring is connected with the limiting plate through a screw.

Preferably, the lower end face of the needle roller frame is completely attached to the lower end face of the bushing B, a clamping groove is formed in the lower end face of the needle roller frame, and the needle roller frame is connected with the bushing B through the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model makes the positioning piece contact with the upper end face of the nut by rotating the knob, so that the nut is fixedly connected with the safety piece, the nut is prevented from falling off in the use process, the problem that the nut is easy to fall off in the use process in the past is solved, and the problem that the device cannot be normally used due to the falling off of the nut is avoided;

2. the utility model discloses a to adjust solid fixed ring and roller pin and be connected, through rotatory spacing knob for spacing knob removes on spacing post, and spacing post and the solid fixed ring zonulae occludens of regulation, tightly fixes the roller pin, avoids droing of roller pin, makes the unable normal use of the device, increases cost of maintenance for the user.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a side view of the utility model in its entirety;

fig. 3 is a schematic view of a partial structure of the fixing table of the present invention.

In the figure: 1. a nut; 2. a knob; 3. a threaded post; 4. a safety disc; 5. a second driven gear; 6. a first liner; 7. a first driven gear; 8. positioning plates; 9. limiting the threaded column; 10. a needle rolling frame; 11. a bushing B; 12. a needle rolling groove; 13. adjusting the fixing ring; 14. a semicircular groove; 15. a limit knob; 16. a limiting plate; 17. a limiting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a precise spline housing convenient to assemble comprises a first lining 6, a first driven gear 7 is installed on the lower end face of the first lining 6, a second driven gear 5 is installed on the upper end face of the first lining 6, a safety disc 4 is installed on the upper end face of the second driven gear 5, a nut 1 is installed on the upper end face of the safety disc 4, threaded columns 3 are installed on two sides of the nut 1, a knob 2 is installed above the threaded columns 3, a limiting threaded column 9 is installed on the lower end face of the knob 2, a positioning disc 8 is installed on the lower end face of the limiting threaded column 9, the nut 1 is convenient to fix, the phenomenon that the device cannot be used due to falling of the nut 1 is avoided, a second lining 11 is installed on the inner side of the nut 1, a needle roller frame 10 is installed on the inner side of the second lining 11, needle rollers are convenient to place, needle roller grooves 12 are formed above the needle roller frame 10, an adjusting fixing ring 13 is installed, avoid droing of kingpin, and then cause the unable problem that uses of the device, the outside of adjusting solid fixed ring 13 is provided with semi-circular groove 14, and limiting plate 16 is installed to the inboard of adjusting solid fixed ring 13, spacing post 17 is installed to the one end of limiting plate 16, spacing knob 15 is installed to the one end of spacing post 17.

Further, the outside of first bush 6 is provided with ring groove, and No. two driven gear 5 passes through ring groove with first bush 6 to be connected, has improved the stability of connecting.

Further, the inboard of screw thread post 3 is provided with the screw hole, and spacing screw thread post 9 passes through the screw hole with screw thread post 3 to be connected, and the fixed nut 1 of being convenient for avoids droing of nut 1.

Further, the inner side of the needle frame 10 is provided with a limiting hole, the limiting knob 15 extends to the outer side of the needle frame 10, the limiting knob 15 is connected with the needle frame 10 through a limiting block, and the connection stability is effectively improved.

Further, the one end of limiting plate 16 and the inboard of adjusting solid fixed ring 13 are laminated completely, and adjust solid fixed ring 13 and pass through bolted connection with limiting plate 16, are convenient for adjust solid fixed ring 13 according to the thickness of kingpin, improve the device's utilization ratio.

Further, the lower end face of the needle roller frame 10 is completely attached to the lower end face of the second bushing 11, a clamping groove is formed in the lower end face of the needle roller frame 10, the needle roller frame 10 is connected with the second bushing 11 through the clamping groove, connection stability is improved, and falling of needle rollers is avoided.

The working principle is as follows: when in use, the second driven gear 5 and the first driven gear 7 are connected with the first lining 6 through the annular clamping groove, the safety sheet 4 and the second driven gear 5 are connected through the clamping groove, the nut 1 and the safety sheet 4 are connected through the clamping groove, at the moment, the positioning sheet 8 is contacted with the upper end surface of the nut 1 through rotating the knob 2, so that the nut 1 is fixedly connected with the safety sheet 4, the nut 1 is prevented from falling off in the use process, the problem that the nut 1 is easy to fall off in the use process in the past is solved, the problem that the device cannot be normally used due to the falling of the nut 1 is avoided, at the moment, the second lining 11 and the nut 1 are connected through the clamping groove, the needle frame 10 and the second lining 11 are connected through the clamping groove, grease is coated on the inner side of the needle groove 12, then the needle is installed, after the needle is installed, the adjusting fixing ring 13 is connected with the needle, the limiting knob, the limiting knob 15 moves on the limiting column 17, the limiting column 17 is tightly connected with the adjusting and fixing ring 13, the roller pin is tightly fixed, the falling of the roller pin is avoided, the device cannot be normally used, and the maintenance cost is increased for a user.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a precision type spline housing convenient to assembly, includes first bush (6), its characterized in that: the lower end face of the first bushing (6) is provided with a driven gear (7), the upper end face of the first bushing (6) is provided with a second driven gear (5), the upper end face of the second driven gear (5) is provided with a safety disc (4), the upper end face of the safety disc (4) is provided with a nut (1), the two sides of the nut (1) are provided with screw thread columns (3), the upper side of each screw thread column (3) is provided with a knob (2), the lower end face of each knob (2) is provided with a limiting screw thread column (9), the lower end face of each limiting screw thread column (9) is provided with a positioning sheet (8), the inner side of each nut (1) is provided with a second bushing (11), the inner side of each second bushing (11) is provided with a needle rolling frame (10), the upper side of each needle rolling frame (10) is provided with a needle rolling groove (12), the inner side of each needle rolling groove (12) is provided with, the outside of adjusting the fixed ring (13) is provided with semicircular groove (14), limiting plate (16) are installed to the inboard of adjusting the fixed ring (13), spacing post (17) are installed to the one end of limiting plate (16), spacing knob (15) are installed to the one end of spacing post (17).

2. A precision type spline housing facilitating assembly according to claim 1, wherein: the outside of first bush (6) is provided with ring groove, No. two driven gear (5) are connected through ring groove with first bush (6).

3. A precision type spline housing facilitating assembly according to claim 1, wherein: the inner side of the threaded column (3) is provided with a threaded hole, and the limiting threaded column (9) is connected with the threaded column (3) through the threaded hole.

4. A precision type spline housing facilitating assembly according to claim 1, wherein: the inner side of the needle roller frame (10) is provided with a limiting hole, the limiting knob (15) extends to the outer side of the needle roller frame (10), and the limiting knob (15) is connected with the needle roller frame (10) through a limiting block.

5. A precision type spline housing facilitating assembly according to claim 1, wherein: one end of the limiting plate (16) is completely attached to the inner side of the adjusting fixing ring (13), and the adjusting fixing ring (13) is connected with the limiting plate (16) through a screw.

6. A precision type spline housing facilitating assembly according to claim 1, wherein: the lower end face of the needle rolling frame (10) is completely attached to the lower end face of the second lining (11), a clamping groove is formed in the lower end face of the needle rolling frame (10), and the needle rolling frame (10) is connected with the second lining (11) through the clamping groove.