CN214197014U

CN214197014U - Dustproof connection structure of pivot

Info

Publication number: CN214197014U
Application number: CN202120184186.6U
Authority: CN
Inventors: 马桂秀; 程虎虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-09-14
Anticipated expiration: 2031-01-23

Abstract

The utility model discloses a dustproof connection structure of pivot, include the first axis body and the second axis body that link to each other with axle center and tip, the cover is equipped with the snap ring subassembly on the surface of first axis body and second axis body junction, and the snap ring subassembly includes first semi-ring and second semi-ring, is provided with in the snap ring subassembly to be used for the joint subassembly with first semi-ring and second semi-ring joint together, the utility model discloses be convenient for the staff dismantles and connects, has avoided the agricultural machinery when the farming, and dust gets into the junction of pivot, is favorable to protecting the junction of first axis body and second axis body, increases the life of pivot.

Description

Dustproof connection structure of pivot

Technical Field

The utility model relates to the field of agricultural machinery, especially, relate to a convenient dismantlement is difficult to the dustproof connection structure of the pivot of entering dirt, belongs to pivot technical field.

Background

The pivot shaft is used as an important part of agricultural machinery and widely applied to equipment such as rotary cultivators, seeding machines, combine harvesters and the like, when the length of a single pivot shaft is insufficient, the pivot shaft and the pivot shaft need to be connected, the existing connection mode is troublesome and not easy to detach, most agricultural machinery works in farmlands, a large amount of dust can be raised during cultivation, if the connection position of the pivot shaft is not designed properly, dust is easy to enter, the abrasion of the pivot shaft is aggravated, and the service life of the pivot shaft is shortened.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a convenient dustproof connection structure of pivot of dismantling, be difficult to into dirt.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a dustproof connection structure of pivot, includes the first axis body and the second axis body that link to each other with axle center and tip, the cover is equipped with snap ring subassembly on the surface of first axis body and second axis body junction, and snap ring subassembly includes first semi-ring and second semi-ring, is provided with in the snap ring subassembly to be used for the joint subassembly together with first semi-ring and second semi-ring joint.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

the upper portion and the lower portion of the outer surface of the first semi-ring are fixedly connected with a shell, and the upper portion and the lower portion of the outer surface of the second semi-ring are fixedly connected with a transmission block.

Further optimization: the clamping assembly comprises a limiting block, the limiting block is fixedly connected to one side face, close to the shell, of the transmission block, and a slot is formed in the limiting block.

Further optimization: the inside of casing is provided with the spring, the one end of spring and the inner wall fixed connection of casing, the other end fixedly connected with connecting plate of spring, the lower fixed surface of connecting plate is connected with the fixture block, the last fixed surface of connecting plate is connected with the connecting rod.

Further optimization: one end of the connecting rod, which is far away from the connecting plate, extends to the outside of the shell and is fixedly connected with a pull ring.

Further optimization: the limiting block is inserted into the shell, and the clamping block is inserted into the slot and is in sliding connection with the slot.

Further optimization: the both ends of connecting plate all fixedly connected with slider, slider and casing sliding connection.

Further optimization: the end face of the clamping block, which is far away from the connecting plate, is of an arc-shaped structure.

Further optimization: the outer side walls of the first shaft body and the second shaft body are respectively sleeved with a gasket, limiting grooves are formed in the two end faces of the first half ring and the second half ring, and the two gaskets are respectively clamped in the corresponding limiting grooves.

Compared with the prior art, the utility model discloses following beneficial effect has:

the connecting structure comprises a first shaft body, a second shaft body, a first half ring, a second half ring, a transmission block, a limiting block, a spring and a connecting plate, wherein connecting ports of the first shaft body and the second shaft body are butted together, the first half ring and the second half ring are sleeved on the outer side walls of the first shaft body and the second shaft body to push the second half ring, the transmission block moves along with the second half ring, the limiting block on the second half ring enters the shell, the limiting block pushes the clamping block to enable the clamping block to ascend, when the clamping block is moved by the slot, the spring pushes the connecting plate to enable the clamping block to be inserted into the slot, so that the first shaft body and;

the gasket inserts spacing groove department, can protect first axis body and second axis body connector department, and first semi-ring and second semi-ring are located first axis body and second axis body connector outside to can prevent dust, be favorable to protecting the junction of first axis body and second axis body, can improve its life.

The present invention will be further explained with reference to the drawings and examples.

Drawings

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

fig. 2 is a schematic view of a split structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of an external connection structure of the first half ring and the second half ring according to an embodiment of the present invention;

fig. 4 is the embodiment of the utility model provides an in the embodiment stopper external connection schematic diagram.

In the figure: 1-a first shaft body; 2-a second shaft body; 3-a first half ring; 4-a second half-ring; 5-a transmission block; 6-a limiting block; 7-slot; 8-a shell; 9-a spring; 10-a connecting plate; 11-a fixture block; 12-a slide block; 13-a connecting rod; 14-a tab; 15-a limiting groove; 16-pad.

Detailed Description

Example (b):

as shown in fig. 1-4, a dustproof connection structure of a pivot comprises a first shaft body 1 and a second shaft body 2 which are coaxial and connected at the end portions, wherein a snap ring assembly is sleeved on the outer surface of the joint of the first shaft body 1 and the second shaft body 2 and comprises a first half ring 3 and a second half ring 4, and a clamping assembly used for clamping the first half ring 3 and the second half ring 4 together is arranged in the snap ring assembly.

Design like this, need not to adopt the bolt to connect, need not adopt the instrument, the staff of being convenient for dismantles and connects labour saving and time saving.

The upper part and the lower part of the outer surface of the first semi-ring 3 are both fixedly connected with a shell 8, and the upper part and the lower part of the outer surface of the second semi-ring 4 are both fixedly connected with a transmission block 5.

The joint subassembly includes stopper 6, and 6 fixed connection of stopper have seted up slot 7 on stopper 6 on the side that transmission piece 5 is close to casing 8.

The inside of casing 8 is provided with spring 9, and the one end of spring 9 and the inner wall fixed connection of casing 8, the other end fixedly connected with connecting plate 10 of spring 9, the lower fixed surface of connecting plate 10 is connected with fixture block 11, and the upper fixed surface of connecting plate 10 is connected with connecting rod 13.

The end of the connecting rod 13, which is far away from the connecting plate 10, extends to the outside of the shell 8 and is fixedly connected with a pull ring 14.

The limiting block 6 is inserted into the shell 8, and the clamping block 11 is inserted into the slot 7 and is in sliding connection with the slot 7.

The design like this, convenient operation, it is fixed firm.

The both ends of connecting plate 10 are equal fixedly connected with slider 12,

slider

12 and 8 sliding connection of casing for connecting plate 10 removes more stably.

The end face, far away from the connecting plate 10, of the fixture block 11 is of an arc-shaped structure, can be directly fixed and is convenient to connect.

All the cover is equipped with gasket 16 on the lateral wall of first axis body 1 and second axis body 2, has all seted up spacing groove 15 on the both ends face of first semi-ring 3 and second semi-ring 4, and two gaskets 16 joint respectively are in corresponding spacing groove 15.

Design like this for this connection structure is fixed more firmly, and the leakproofness is better, is favorable to protecting the junction of the first axle body 1 and the second axle body 2.

The gasket 16 is made of a silica gel material, and is favorable for improving the dustproof effect.

During the use, the connector of the first shaft body 1 and the connector of the second shaft body 2 are butted together, then the first half ring 3 and the second half ring 4 are sleeved on the outer side walls of the first shaft body 1 and the second shaft body 2, the second half ring 4 is pushed, the transmission block 5 moves along with the second half ring 4, the limiting block 6 on the second half ring 4 enters the shell 8, the limiting block 6 pushes the clamping block 11 to enable the clamping block 11 to ascend, when the slot 7 moves the clamping block 11, the spring 9 pushes the connecting plate 10 to enable the clamping block 11 to be inserted into the slot 7, the first shaft body 1 and the second shaft body 2 can be connected together, and then the gasket 16 is inserted into the limiting groove 15 to be sealed.

When the first shaft body 1 and the second shaft body 2 need to be disassembled, the gasket 16 is taken out, the pull ring 14 is pulled to enable the spring 9 to drive the connecting plate 10 to move, the clamping block 11 moves along with the connecting plate 10, the clamping block 11 is separated from the limiting block 6, the first half ring 3 and the second half ring 4 are separated, and the first shaft body 1 and the second shaft body 2 can be disassembled.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a dustproof connection structure of pivot, includes coaxial and end connection's the first axis body (1) and the second axis body (2), its characterized in that: the clamping ring assembly is sleeved on the outer surface of the joint of the first shaft body (1) and the second shaft body (2) and comprises a first half ring (3) and a second half ring (4), and a clamping assembly used for clamping the first half ring (3) and the second half ring (4) together is arranged in the clamping ring assembly.

2. The dustproof connection structure of a pivot shaft according to claim 1, wherein: the upper portion and the lower portion of the outer surface of the first half ring (3) are fixedly connected with a shell (8), and the upper portion and the lower portion of the outer surface of the second half ring (4) are fixedly connected with a transmission block (5).

3. The dustproof connection structure of a pivot shaft according to claim 2, wherein: the joint subassembly includes stopper (6), and stopper (6) fixed connection has seted up slot (7) on stopper (6) on driving block (5) is close to a side of casing (8).

4. A dust-proof connection structure of a pivot shaft according to claim 3, wherein: the spring (9) is arranged inside the shell (8), one end of the spring (9) is fixedly connected with the inner wall of the shell (8), the other end of the spring (9) is fixedly connected with a connecting plate (10), the lower surface of the connecting plate (10) is fixedly connected with a clamping block (11), and the upper surface of the connecting plate (10) is fixedly connected with a connecting rod (13).

5. The dustproof connection structure of a pivot shaft according to claim 4, wherein: one end of the connecting rod (13) far away from the connecting plate (10) extends to the outside of the shell (8) and is fixedly connected with a pull ring (14).

6. The dustproof connection structure of a pivot shaft according to claim 5, wherein: the limiting block (6) is inserted into the shell (8), and the clamping block (11) is inserted into the slot (7) and is in sliding connection with the slot (7).

7. The dustproof connection structure of a pivot shaft according to claim 6, wherein: both ends of the connecting plate (10) are fixedly connected with sliding blocks (12), and the sliding blocks (12) are connected with the shell (8) in a sliding mode.

8. The dustproof connection structure of a pivot shaft according to claim 7, wherein: the end face, far away from the connecting plate (10), of the clamping block (11) is of an arc-shaped structure.

9. The dustproof connection structure of a pivot shaft according to claim 8, wherein: all the outer side walls of the first shaft body (1) and the second shaft body (2) are sleeved with gaskets (16), limiting grooves (15) are formed in the two end faces of the first half ring (3) and the second half ring (4), and the two gaskets (16) are respectively clamped in the corresponding limiting grooves (15).