CN214999096U

CN214999096U - High-precision long-life support shaft

Info

Publication number: CN214999096U
Application number: CN202120852355.9U
Authority: CN
Inventors: 何永杰; 徐霆
Original assignee: Jiaxing Henggong Precision Machinery Co ltd
Current assignee: Jiaxing Henggong Precision Machinery Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-03
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a high accuracy long-life back shaft, including the axis body, the equal fixed mounting in both sides outer wall of axis body has two sets of hollow tubes, and the inside movable mounting of hollow tube has the sealing washer, one side outer wall fixed mounting horizontal pole of axis body is kept away from to the sealing washer, and the one end fixed mounting silica gel pad of horizontal pole, the fixed surface of hollow tube installs the fixed block, and fixed mounting compression spring, four groups between the one side outer wall position that fixed block and silica gel pad are close to each other fixed mounting guard plate between one side outer wall position of silica gel pad, and a plurality of group's montants of the equal fixed mounting in upper and lower surface of guard plate, the upper end fixed mounting slider of montant. A high accuracy long-life back shaft, shock-absorbing structure can effectual external force cushion to protect the steady of its axis body, increase its life, also can carry out the drainage to water simultaneously, avoid its siltation and invasion, thereby reduce its rusty possibility.

Description

High-precision long-life support shaft

Technical Field

The utility model relates to a back shaft technical field, in particular to high accuracy long-life back shaft.

Background

The supporting shaft is one of the shafts, is a mechanical part for supporting and fixing, is mainly round or square, is visible everywhere in the daily life of people at present, and therefore the requirements of people are increasing day by day.

When the traditional supporting shaft is used, external force cannot be buffered, the situations of scraping, denting, breaking and the like are easy to happen when external force impacts, meanwhile, when the traditional supporting shaft is used in rainy days and the like, the waterproof function cannot be started, the situations of rusting and the like are easy to happen, and therefore the use of the supporting shaft is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a high accuracy long-life back shaft can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-precision long-life support shaft comprises a shaft body, wherein two groups of hollow pipes are fixedly installed on the outer walls of the two sides of the shaft body, a sealing ring is movably installed inside each hollow pipe, a cross rod is fixedly installed on the outer wall of one side, away from the shaft body, of each sealing ring, a silica gel pad is fixedly installed at one end of each cross rod, a fixing block is fixedly installed on the outer surface of each hollow pipe, a compression spring is fixedly installed between the outer wall positions, close to each other, of one side of each fixing block and the silica gel pad, a protection plate is fixedly installed between the outer wall positions of the four groups of silica gel pads, a plurality of groups of vertical rods are fixedly installed on the upper surface and the lower surface of each protection plate, a sliding block is fixedly installed at the upper end of each vertical rod, a base is movably installed on the upper surface and the lower surface, far away from each other, of the two groups of bases are provided with a plurality of sliding grooves, and an anti-slip pad is fixedly installed on the lower surface of the base, close to the lower surface of the shaft body, the waterproof layer is fixedly arranged on the upper surface of the base close to the upper surface of the shaft body, and a plurality of groups of bulges are fixedly arranged on the upper surface of the waterproof layer.

Preferably, each row of the hollow pipes are distributed horizontally, and the cross section of the sealing ring is circular.

Preferably, the cross section of the protection plate is in a circular ring shape, and the shaft body is located inside the protection plate.

Preferably, the cross rod is vertically connected with the hollow pipe in a penetrating mode, and the hollow pipe and the cross rod are located inside the compression spring.

Preferably, guard plate and base all distribute with the montant is perpendicular, and the slider is located the inside of spout.

Preferably, the base, the shaft body and the protection plate are located on the same longitudinal axis, and the plurality of groups of protrusions are uniformly distributed.

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

1. the hollow tube passes through the sealing washer and the horizontal pole is connected with the silica gel pad, when having external force striking, the impact acts on the silica gel pad, the silica gel pad cushions it, transmit the power after will cushioning to the horizontal pole on, make the horizontal pole along the hollow tube to its inside removal, and the sealing washer on the horizontal pole will contact with the hollow tube, its frictional force will be confronted with the impact, thereby carry out the shock attenuation, and compression spring atress produces deformation and shortens the back, its reaction force acts on the silica gel pad, drive horizontal pole and silica gel pad and return to the normal position, thereby make the back shaft remain stable.

2. The base passes through the waterproof layer and connects the arch, and when the rainwater acted on the back shaft, the waterproof layer of base top can effectually carry out the separation to water to avoid its possibility of oozing down, and the arch on the waterproof layer will shunt the water on the waterproof layer, make it along two sets of archs downflow, thereby avoid the rainwater at the siltation of back shaft top, thereby reduce its rusty possibility.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-precision long-life support shaft of the present invention;

fig. 2 is a schematic connection diagram of the slide block in the high-precision long-life support shaft according to the present invention;

fig. 3 is a schematic structural view of a damping assembly in a high-precision long-life support shaft according to the present invention;

fig. 4 is the utility model relates to a protruding structure schematic diagram in high accuracy long-life back shaft.

In the figure: 1. a shaft body; 2. a hollow tube; 3. a seal ring; 4. a cross bar; 5. a silica gel pad; 6. a fixed block; 7. a compression spring; 8. a protection plate; 9. a vertical rod; 10. a slider; 11. a base; 12. a chute; 13. a non-slip mat; 14. a waterproof layer; 15. and (4) protruding.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, a high-precision long-life support shaft comprises a shaft body 1, two groups of hollow tubes 2 are fixedly installed on the outer walls of the two sides of the shaft body 1, a sealing ring 3 is movably installed inside each hollow tube 2, a cross rod 4 is fixedly installed on the outer wall of one side, away from the shaft body 1, of each sealing ring 3, a silica gel pad 5 is fixedly installed at one end of each cross rod 4, a fixed block 6 is fixedly installed on the outer surface of each hollow tube 2, a compression spring 7 is fixedly installed between the outer wall positions of one side, close to each other, of each fixed block 6 and the silica gel pad 5, a protection plate 8 is fixedly installed between the outer wall positions of one side of each four groups of silica gel pads 5, a plurality of groups of vertical rods 9 are fixedly installed on the upper surface and the lower surface of each protection plate 8, sliders 10 are fixedly installed on the upper end of each vertical rod 9, bases 11 are movably installed on the upper surface and the lower surface, close to each group of the sliders 10, a plurality of chutes 12 are respectively installed on the upper surface, close to each group of the corresponding base 11, and the lower surface of the base 11 close to the lower surface of the shaft body 1 is fixedly provided with an anti-slip pad 13, the upper surface of the base 11 close to the upper surface of the shaft body 1 is fixedly provided with a waterproof layer 14, and the upper surface of the waterproof layer 14 is fixedly provided with a plurality of groups of bulges 15.

Each row of hollow pipes 2 are horizontally distributed, and the cross section of the sealing ring 3 is circular, so that the sealing ring 3 is contacted with the inner wall of the hollow pipe 2 to generate friction force when the sealing ring moves

The cross sectional shape of guard plate 8 is the ring, and axis body 1 is located the inside of guard plate 8 for protection axis body 1 that guard plate 8 can be fine makes it under the external force striking, does not receive the harm.

Horizontal pole 4 and the perpendicular through connection of hollow tube 2, and hollow tube 2 and horizontal pole 4 all are located compression spring 7's inside for horizontal pole 4 promotes sealing washer 3 motion under the effect of force when the atress.

Guard plate 8 and base 11 all distribute with montant 9 is perpendicular, and slider 10 is located the inside of spout 12, and base 11 lets when 8 atresss in the guard plate, and horizontal migration avoids it to take place the skew at the shock attenuation in-process.

Base 11, axis body 1 and guard plate 8 are located same axis of ordinates, and the protruding 15 evenly distributed of a plurality of groups to the stability of back shaft overall structure and the completeness of protection have been guaranteed.

It should be noted that, when in use, the anti-slip pad 13 is in contact with the ground, so that the shaft body 1 is vertically distributed with the ground, thereby achieving a supporting effect, when there is external impact, the impact force acts on the silica gel pad 5, the silica gel pad 5 buffers the silica gel pad, the buffered force is transmitted to the cross rod 4, so that the cross rod 4 moves towards the inside of the hollow tube 2 along the hollow tube 2, the sealing ring 3 on the cross rod 4 is in contact with the hollow tube 2, the friction force is in opposition with the impact force, thereby performing shock absorption, after the compression spring 7 is deformed and shortened by the force, the reaction force acts on the silica gel pad 5, the cross rod 4 and the silica gel pad 5 are driven to return to the original position, thereby enabling the supporting shaft to be stable, when in outdoor use, rainwater acts on the supporting shaft, the waterproof layer 14 above the base 11 can effectively block water, thereby avoiding the possibility of infiltration, and the bulge 15 on the waterproof layer 14 can shunt water on the waterproof layer 14, allowing it to flow down the two sets of bosses 15, thus avoiding rainwater to pool at the top of the support shaft, thus reducing the likelihood of rusting thereof. The utility model relates to a high accuracy long-life back shaft, shock-absorbing structure can effectual external force cushion to protect the steady of its axis body, increase its life, also can carry out the drainage to water simultaneously, avoid its siltation and invasion, thereby reduce its rusty possibility.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high accuracy long-life back shaft, includes axis body (1), its characterized in that: the device comprises a shaft body (1), two groups of hollow pipes (2) are fixedly mounted on the outer walls of the two sides of the shaft body (1), a sealing ring (3) is movably mounted inside the hollow pipes (2), a cross rod (4) is fixedly mounted on the outer wall of one side, away from the shaft body (1), of the sealing ring (3), a silica gel pad (5) is fixedly mounted at one end of the cross rod (4), a fixing block (6) is fixedly mounted on the outer surface of the hollow pipe (2), a compression spring (7) is fixedly mounted between the outer wall positions, close to each other, of one side of the fixing block (6) and the silica gel pad (5), a protection plate (8) is fixedly mounted between the outer wall positions of one side of the silica gel pad (5), a plurality of groups of vertical rods (9) are fixedly mounted on the upper surface and the lower surface of each row of sliding blocks (10), a base (11) is movably mounted on the upper surface and the lower surface, away from each other, of each row of sliding blocks (10), two sets of base (11) upper and lower surface that is close to each other has all seted up a plurality of groups spout (12), and is close to the fixed surface of base (11) of axis body (1) lower surface and installs slipmat (13), the fixed surface of base (11) that is close to axis body (1) upper surface installs waterproof layer (14), and the fixed surface of waterproof layer (14) installs a plurality of groups arch (15).

2. A high precision long life support shaft as defined in claim 1, wherein: each row of hollow pipes (2) are horizontally distributed, and the cross section of the sealing ring (3) is circular.

3. A high precision long life support shaft as defined in claim 1, wherein: the cross section of the protection plate (8) is in a circular ring shape, and the shaft body (1) is located inside the protection plate (8).

4. A high precision long life support shaft as defined in claim 1, wherein: the cross rod (4) is vertically connected with the hollow tube (2) in a penetrating mode, and the hollow tube (2) and the cross rod (4) are located inside the compression spring (7).

5. A high precision long life support shaft as defined in claim 1, wherein: protection plate (8) and base (11) all distribute with montant (9) vertical distribution, and slider (10) are located the inside of spout (12).

6. A high precision long life support shaft as defined in claim 1, wherein: the base (11), the shaft body (1) and the protection plate (8) are located on the same longitudinal axis, and the plurality of groups of protrusions (15) are evenly distributed.