CN216768073U

CN216768073U - Gear shaft

Info

Publication number: CN216768073U
Application number: CN202220376153.6U
Authority: CN
Inventors: 周顺金
Original assignee: Taizhou Geling Machinery Co ltd
Current assignee: Taizhou Geling Machinery Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-06-17
Anticipated expiration: 2032-02-23

Abstract

The application discloses gear shaft belongs to transmission part technical field, including the axis body, annular oil pocket has been seted up to the inside of axis body, and the oilhole has been seted up to the upper surface of axis body, and the inside and the oilhole of annular oil pocket are linked together, and the inner wall swing joint of axis body has the connecting rod, and the bottom fixedly connected with of connecting rod keeps off the dish, keeps off the bottom surface fixedly connected with screw rod of dish, and the opening has been seted up to the inner wall of axis body, and the opening is linked together with the inside of annular oil pocket. This gear shaft, through setting up the connecting rod, the arm-tie, keep off dish and screw rod, can utilize arm-tie and connecting rod to mention the keep off dish, thereby make lubricated liquid carry through the screw rod, the screw rod cushions lubricated liquid, the through-hole of deuterogamying, carry lubricated liquid inside the axis body, thereby the axis body when coordinating lubricates, reduce the emergence that the card pauses, the keep off dish can seal the through-hole, thereby it is in the problem of the lubricated liquid of always opening state to avoid the through-hole.

Description

Gear shaft

Technical Field

The application belongs to the technical field of transmission parts, especially, relate to a gear shaft.

Background

The gear shaft refers to a mechanical part which supports a rotating part and rotates together with the rotating part to transfer motion, torque or bending moment, generally takes the shape of a metal round rod, each section can have different diameters, the part which does rotary motion in a machine is arranged on the shaft, the shaft can be divided into a crankshaft and a straight shaft according to the shape of the shaft axis, and the shaft can be divided into a rotating shaft, a mandrel and a transmission shaft according to the bearing condition of the shaft.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: when an existing gear shaft is used, burrs exist on an inner ring of the gear shaft, and when thread matching is conducted, the situation that the gear shaft is clamped in a matching mode can be caused.

To this end, we propose a gear shaft that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve among the prior art, the gear shaft often appears the problem of card dun when using, and a gear shaft that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a gear shaft, includes the axis body, annular oil pocket has been seted up to the inside of axis body, the oilhole has been seted up to the upper surface of axis body, the inside and the oilhole of annular oil pocket are linked together, the inner wall swing joint of axis body has the connecting rod, the bottom fixedly connected with fender dish of connecting rod, the bottom surface fixedly connected with screw rod of fender dish, the opening has been seted up to the inner wall of axis body, the opening is linked together with the inside of annular oil pocket, the surface of screw rod contacts with the inner wall of opening, the top fixedly connected with arm-tie of connecting rod, two sets of telescopic links of bottom surface fixedly connected with of arm-tie, every group the bottom surface of telescopic link all is connected with the upper surface fixed of axis body.

Through setting up annular oil pocket and oilhole, can add in the axis body and be used for lubricated liquid to when cooperation card pause in appearing in the axis body, utilize connecting rod, arm-tie, fender dish and screw rod, pull up the fender dish, thereby make lubricating liquid carry out the output through the screw rod, thereby flow into the axis body through the opening inside, realize lubricating for the axis body cooperation, thereby reduce the emergence of card pause in the phenomenon.

Preferably, the extension axle has been placed to the below of axis body, the keyway has all been seted up to the surface of axis body and the surface of extension axle.

Through setting up the extension axle, can extend the axletree length to the time adds the extension axle when the load is less, shortens the axletree length when the load is great.

Preferably, a first clamping groove is formed in the upper surface of the extension shaft, a second clamping groove is formed in the bottom surface of the shaft body, and the connecting ring plate is placed inside the second clamping groove and inside the first clamping groove together.

Through setting up first draw-in groove and second draw-in groove for can install connecting device in axis body and the extension axle, thereby can make it connect.

Preferably, the outer surface of the shaft body is provided with a plurality of identical first slotted holes, the inner wall of each first slotted hole is in threaded connection with a first bolt, and the outer surface of each first bolt is in threaded connection with the inner wall of the connecting ring plate.

Through setting up first bolt, connect link plate and axis body to fixing link plate.

Preferably, the outer surface of the extension shaft is provided with a plurality of identical second sinking groove holes, the inner wall of each second sinking groove hole is in threaded connection with a second bolt, the outer surface of each second bolt is in threaded connection with the inner wall of the connecting ring plate, and the inner part of each second sinking groove hole is communicated with the inner part of the first clamping groove.

Through setting up the second bolt, realized extending axle and connection ring board and connected the purpose to fix connection ring board on extending the axle.

Preferably, the inside of each first sinking groove hole is communicated with the inside of the second clamping groove, and the inner wall of each oil hole is clamped with a plug.

Through setting up the end cap, put the end cap in the oilhole, realize reducing the purpose that lubricating liquid flows out.

To sum up, the technical effect and the advantage of this application: this gear shaft, through being provided with oilhole and annular oil pocket, can utilize the oilhole toward annular oil pocket in add lubricating liquid, thereby make the axis body can save lubricating liquid, realize conveniently carrying out lubricated purpose when the cooperation card pause in the axis body, so that the axis body uses the problem of difficulty, through setting up the connecting rod, the arm-tie, catch plate and screw rod, can utilize arm-tie and connecting rod to mention the catch plate, thereby make lubricating liquid can carry through the screw rod, the screw rod cushions lubricating liquid, the through-hole of deuterogamying, carry the axis body inside with lubricating liquid, thereby lubricate the axis body when the cooperation, reduce the emergence that the card pauses, the catch plate can seal the through-hole, thereby so that the through-hole is in the problem of the lubricating liquid of always opening state always circulation.

Drawings

FIG. 1 is a schematic perspective view of a shaft according to the present application;

FIG. 2 is a perspective side cross-sectional view of the shaft of the present application;

fig. 3 is a schematic three-dimensional structure view of a second card slot of the present application;

FIG. 4 is a schematic perspective view of a key slot according to the present application;

fig. 5 is a schematic three-dimensional structure view of a first card slot of the present application;

fig. 6 is a perspective front sectional view of an extension shaft according to the present application.

In the figure: 1. a shaft body; 2. a plug; 3. pulling a plate; 4. an extension shaft; 5. a keyway; 6. an oil hole; 7. an annular oil chamber; 8. a telescopic rod; 9. a connecting rod; 10. a catch tray; 11. a screw; 12. a flow-through hole; 13. a second bolt; 14. a connecting ring plate; 15. a first bolt; 16. a first sinking groove hole; 17. a second sinking groove hole; 18. a first card slot; 19. and a second card slot.

Detailed Description

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

Referring to fig. 1-3, a gear shaft comprises a shaft body 1, wherein an annular oil cavity 7 is formed inside the shaft body 1, an oil hole 6 communicated with the annular oil cavity 7 is formed in the upper surface of the shaft body 1, an extension shaft 4 is placed below the shaft body 1, and the length of the shaft body 1 can be increased by using the extension shaft 4, so that the length of the shaft body 1 can be adjusted; keyway 5 has all been seted up to the surface of axis body 1 and the surface of extending axle 4, through keyway 5 for axis body 1 can be connected with the key, thereby transmits power.

Connecting rod 9 has been placed to the inside of annular oil pocket 7, and the bottom fixedly connected with of connecting rod 9 keeps off dish 10, keeps off the bottom surface fixedly connected with screw rod 11 of dish 10, and opening 12 has been seted up to the inner wall of axis body 1, and opening 12 is linked together with the inside of annular oil pocket 7, and the surface of screw rod 11 contacts with the inner wall of opening 12, utilizes opening 12, can flow in lubricated liquid to axis body 1 inside to can realize lubricated purpose.

The top fixedly connected with arm-tie 3 of connecting rod 9, two sets of telescopic links 8 of bottom surface fixedly connected with of arm-tie 3, the bottom surface of every group telescopic link 8 all is connected with the last fixed surface of axis body 1, and the inner wall joint of oilhole 6 has end cap 2, utilizes end cap 2, carries out the shutoff to oilhole 6 to the debris that drop in the oilhole 6 of avoiding.

Referring to fig. 4 to 5, a first engaging groove 18 is formed on the upper surface of the extension shaft 4, a second engaging groove 19 is formed on the bottom surface of the shaft body 1, and a device for connection can be placed inside the second engaging groove 19 and the first engaging groove 18, so that the shaft body 1 and the extension shaft 4 can be connected.

Referring to fig. 2, fig. 3 and fig. 6, the connection ring plate 14 has been placed jointly to the inside of second draw-in groove 19 and the inside of first draw-in groove 18, utilize connection ring plate 14, connect extension axle 4 and axis body 1, thereby make extension axle 4 can extend the length of axis body 1, the same first counter sink hole 16 of a plurality of has been seted up to the surface of axis body 1, the inside of every first counter sink hole 16 all is linked together with the inside of second draw-in groove 19, utilize first counter sink hole 16, can install the device that is used for fixing, make fixed device in first counter sink hole 16, and can not surpass the axis body 1 surface.

Referring to fig. 4 to 6, the inner wall of each first countersink hole 16 is threadedly connected with a first bolt 15, the outer surface of each first bolt 15 is threadedly connected with the inner wall of the connecting ring plate 14, and the first bolts 15 are matched with the first countersink holes 16 to fix the shaft bodies 1 of the connecting ring plate 14.

Referring to fig. 2, 4 and 5, the outer surface of the extension shaft 4 is provided with a plurality of identical second sinking groove holes 17, the inside of each second sinking groove hole 17 is communicated with the inside of the first clamping groove 18, and the second sinking groove holes 17 are also convenient for mounting a device, so that the device does not exceed the surface of the extension shaft 4.

Referring to fig. 4 to 6, a second bolt 13 is threadedly coupled to an inner wall of each second countersink hole 17, an outer surface of each second bolt 13 is threadedly coupled to an inner wall of the connection ring plate 14, and the connection ring plate 14 and the extension shaft 4 are coupled by the second bolt 13 so that they can be fixed.

The working principle is as follows: firstly, when the shaft body 1 needs to be used, the shaft body 1 can be assembled by using the key groove 5, when the shaft body 1 has low load and needs to increase the length of the shaft body 1, the connecting ring plate 14 is installed in the second clamping groove 19, the extension shaft 4 is installed on the connecting ring plate 14, the shaft body 1 and the extension shaft 4 are fixed by using the first bolt 15 and the second bolt 13, so that the length of the shaft body 1 can be increased, when the inner ring of the shaft body 1 is in threaded fit to generate a clamping pause, the connecting rod 9 is lifted by using the pulling plate 3, so that the connecting rod 9 drives the baffle disc 10, when the baffle disc 10 is not moved, the lubricating liquid is blocked, so that the lubricating liquid can be prevented from flowing all the way, after the baffle disc 10 is lifted by the connecting rod 9, the lubricating liquid can flow along with the screw rod 11, so that the lubricating liquid flows into the inner ring of the shaft body 1 in the through hole 12, so as to lubricate when the shaft body 1 is in threaded fit, therefore, the occurrence of blocking is reduced, after the lubricating liquid is used up, the plug 2 can be opened, the lubricating liquid is added into the annular oil cavity 7 through the oil hole 6, and the annular oil cavity 7 is provided with a hole communicated with the upper surface of the shaft body 1 and can be used for the connecting rod 9 to slide up and down, so that the use fluency of the shaft body 1 is maintained.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. A gear shaft comprises a shaft body (1) and is characterized in that an annular oil cavity (7) is formed in the shaft body (1), an oil hole (6) is formed in the upper surface of the shaft body (1), the inside of the annular oil cavity (7) is communicated with the oil hole (6), a connecting rod (9) is placed in the annular oil cavity (7), a baffle disc (10) is fixedly connected to the bottom end of the connecting rod (9), a screw rod (11) is fixedly connected to the bottom surface of the baffle disc (10), a circulation hole (12) is formed in the inner wall of the shaft body (1), the circulation hole (12) is communicated with the inside of the annular oil cavity (7), the outer surface of the screw rod (11) is in contact with the inner wall of the circulation hole (12), a pull plate (3) is fixedly connected to the top end of the connecting rod (9), and two groups of telescopic rods (8) are fixedly connected to the bottom surface of the pull plate (3), the bottom surface of each group of the telescopic rods (8) is fixedly connected with the upper surface of the shaft body (1).

2. The gear shaft is characterized in that an extension shaft (4) is placed below the shaft body (1), and keyways (5) are formed in the outer surface of the shaft body (1) and the outer surface of the extension shaft (4).

3. The gear shaft as claimed in claim 2, wherein the upper surface of the extension shaft (4) is provided with a first clamping groove (18), the bottom surface of the shaft body (1) is provided with a second clamping groove (19), and the inner part of the second clamping groove (19) and the inner part of the first clamping groove (18) are jointly provided with the connecting ring plate (14).

4. The gear shaft as claimed in claim 3, wherein the outer surface of the shaft body (1) is provided with a plurality of identical first countersunk holes (16), the inner wall of each first countersunk hole (16) is in threaded connection with a first bolt (15), and the outer surface of each first bolt (15) is in threaded connection with the inner wall of the connecting ring plate (14).

5. The gear shaft according to claim 4, wherein the outer surface of the extension shaft (4) is provided with a plurality of identical second sunk slot holes (17), the inner wall of each second sunk slot hole (17) is in threaded connection with a second bolt (13), the outer surface of each second bolt (13) is in threaded connection with the inner wall of the connecting ring plate (14), and the inside of each second sunk slot hole (17) is communicated with the inside of the first clamping groove (18).

6. A gear shaft according to claim 4, characterized in that the inside of each first countersink hole (16) is communicated with the inside of a second groove (19), and the inner wall of the oil hole (6) is clamped with a plug (2).