CN216618509U

CN216618509U - Wear-resisting type piston rod convenient to equipment

Info

Publication number: CN216618509U
Application number: CN202123306401.4U
Authority: CN
Inventors: 高道军
Original assignee: Ningbo Aitian Auto Parts Co ltd
Current assignee: Ningbo Aitian Auto Parts Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-27
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a wear-resistant piston rod convenient to assemble, which aims to solve the technical problems that the assembly is inconvenient in the prior art, and the whole structure needs to be integrally replaced if the whole structure is worn, so that unnecessary waste is caused. The piston rod comprises a piston rod body, an installation module arranged on the upper side of the piston rod body and used for installation, a sealing module arranged on the lower side of the piston rod body and used for sealing, and balls arranged on the outer side of the sealing module and used for reducing friction; the inner side of the piston rod body is provided with a cross rod for fixing the mounting module, and the outer side of the cross rod is provided with a sealing ring for sealing. This piston rod sets up connector and mounting groove through downside and upside at the piston rod body for whole structure forms a whole, and it is very convenient to assemble, sets up the ball through the outside at sealed module, can reduce the area of contact between sealed module and cylinder or the hydro-cylinder, thereby reduces friction, makes sealed module wear-resisting more.

Description

Wear-resisting type piston rod convenient to equipment

Technical Field

The utility model belongs to the technical field of piston rods, and particularly relates to a wear-resistant piston rod convenient to assemble.

Background

The piston rod is a part used for moving and executing the inner sides of the oil cylinder and the air cylinder, the piston rod reciprocates in the oil cylinder and the air cylinder, and the performance of the piston rod is improved to a certain extent along with the continuous development of industrial technology.

At present, the utility model with the patent number of CN201922417613.6 discloses a wear-resisting type piston rod relates to piston rod technical field, has increased the wearability on surface to current piston rod, but the frequent friction between piston rod and the rod cover still reduces the life of piston rod easily. And the piston rod and the rod sleeve are tightly sleeved, so that lubricating oil is not easy to be added at the joint of the piston rod and the rod sleeve for lubrication. According to the utility model, through the design of the balls and the oil guide holes, lubricating oil is conveniently and continuously smeared on the outer surface of the piston rod main body, the friction damage between the piston rod main body and the rod sleeve is reduced, through the design of the oil guide grooves, the lubricating oil in the oil storage groove is conveniently guided into the oil guide holes, through the design of the sealing plate and the fixing block, the interior of the oil storage groove is conveniently divided into two spaces, and the lubricating oil is prevented from continuously leaking. However, the piston rod in the scheme of the application is of an integrated structure, so that the piston rod is inconvenient to assemble, and the whole structure needs to be integrally replaced if the whole structure is worn, so that unnecessary waste is caused.

Therefore, in order to solve the above-mentioned problem that the piston rod is inconvenient to assemble, it is necessary to improve the usage scenario of the piston rod.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a wear-resistant piston rod convenient to assemble, which aims to solve the technical problems that the assembly is inconvenient and the whole structure needs to be integrally replaced if the whole structure is worn, so that unnecessary waste is caused in the prior art.

(2) Technical scheme

In order to solve the technical problems, the utility model provides a wear-resistant piston rod convenient to assemble, which comprises a piston rod body, an installation module arranged on the upper side of the piston rod body for installation, a sealing module arranged on the lower side of the piston rod body for sealing, and balls arranged on the outer side of the sealing module for reducing friction; the mounting structure comprises a mounting module, a piston rod body and a sealing ring, wherein the inner side of the piston rod body is provided with a cross rod used for fixing the mounting module, the outer side of the cross rod is provided with the sealing ring used for sealing, the upper side of the mounting module is provided with a pull ring used for fixing, the upper side of the piston rod body is provided with a mounting groove used for mounting the mounting module, and the bottom of the mounting groove is provided with an elastic element capable of elastically stretching.

When the piston rod of the technical scheme is used, the sealing module is firstly installed on the lower side of the piston rod body, then the installation module is fixed on the upper side of the piston body, the cross rod is inserted into the piston rod body, then the outer side of the cross rod is wrapped by the sealing ring, so that the whole piston rod is formed into a whole, then the piston rod is installed on the inner side of the oil cylinder or the air cylinder, and the piston rod can be normally used, and if the sealing module needs to be replaced, the sealing module can be directly screwed out; through the downside and the upside at the piston rod body set up connector and mounting groove, can assemble sealed module and installation module respectively on the piston rod body, make whole structure form a whole, it is also very convenient to assemble, through the setting of elastic element and cushion, can play the effect of cushioning effect, avoid collision each other between piston rod and cylinder or the hydro-cylinder and lead to the piston rod body to appear the crack, make whole structure more firm, through setting up the ball in the outside of sealed module, can reduce the area of contact between sealed module and cylinder or the hydro-cylinder, thereby reduce friction, make sealed module wear-resisting more.

Preferably, the sealing module comprises a piston body, the balls are uniformly distributed on the outer side of the piston body, and a buffer pad for buffering acting force is arranged on the lower side of the piston body. Through the setting of blotter, can protect the lower terminal surface of piston body, avoid the bottom of piston body direct contact cylinder or hydro-cylinder to guarantee that the piston body can not appear the fracture because of the atress is too big.

Furthermore, the piston body is provided with a groove for reducing the contact area on the outer side, and the upper side of the piston body is provided with a fixing groove for installing the piston rod body. Through the setting of fixed slot, can conveniently install the downside at the piston rod body with the piston body, it is all very convenient that the installation is dismantled.

Furthermore, the mounting module comprises a mounting plate, a mounting head for mounting the piston rod body is arranged on the lower side of the mounting plate, and threads are arranged on the outer side of the mounting head. Through the setting of installation head, can fix the mounting panel in the upside of piston rod body, rethread horizontal pole is fixed, can avoid installation head and piston rod body to break away from.

Furthermore, the upper side of the mounting plate is provided with a holding rod for grasping, the upper side of the holding rod is provided with a supporting table for supporting, and the upper side of the supporting table is provided with a fixing block for fixing the pull ring. The pull ring can be used for connecting other equipment or parts, so that the whole cylinder or oil cylinder can be combined with other mechanical structures, and different requirements are met.

Furthermore, a supporting rod for supporting is arranged on the inner side of the elastic element, and a supporting block for fixing is arranged on the upper side of the supporting rod. Through the setting of bracing piece and supporting shoe, can avoid the installation head directly to act on the piston rod body, elastic element can cushion the effort, protects the piston rod body better.

Furthermore, the lower side of the piston rod body is provided with a connector for connecting the sealing module, the outer side of the connector is provided with threads, and the outer side of the piston rod body is provided with a sealing groove for installing the sealing ring. Through the arrangement of the connector, the piston rod body is convenient to mount and dismount, the sealing ring can be fixed through the arrangement of the sealing groove, and the sealing ring is prevented from falling off in the moving process of the piston rod body.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the piston rod, the connecting heads and the mounting grooves are arranged on the lower side and the upper side of the piston rod body, the sealing module and the mounting module can be assembled on the piston rod body respectively, so that the whole structure is formed into a whole and is very convenient to assemble, the effect of buffering can be achieved through the arrangement of the elastic elements and the buffering cushions, the piston rod body is prevented from being cracked due to mutual collision between the piston rod and the air cylinder or the oil cylinder, the whole structure is firmer, the contact area between the sealing module and the air cylinder or the oil cylinder can be reduced through the arrangement of the balls on the outer side of the sealing module, friction is reduced, and the sealing module is more wear-resistant.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of a piston rod according to the present invention;

FIG. 2 is a cross-sectional view of one embodiment of a piston rod of the present invention;

FIG. 3 is a schematic structural diagram of a mounting module in an embodiment of a piston rod of the present invention;

fig. 4 is an exploded view of the body of the piston rod in accordance with one embodiment of the piston rod of the present invention.

The labels in the figures are: 1. a piston rod body; 2. installing a module; 3. a sealing module; 4. a ball bearing; 5. a cross bar; 6. a seal ring; 7. a pull ring; 8. a support bar; 9. an elastic element; 10. a support block; 11. a piston body; 12. a groove; 13. a cushion pad; 14. a connector; 15. a sealing groove; 16. mounting grooves; 17. mounting a plate; 18. a mounting head; 19. a holding rod; 20. a support table; 21. and (5) fixing blocks.

Detailed Description

The wear-resistant piston rod convenient to assemble in the specific embodiment is structurally as shown in fig. 1, and is cross-sectional in fig. 2, and comprises a piston rod body 1, an installation module 2 arranged on the upper side of the piston rod body 1 for installation, a sealing module 3 arranged on the lower side of the piston rod body 1 for sealing, and balls 4 arranged on the outer side of the sealing module 3 for reducing friction; 1 inboard of piston rod body is equipped with horizontal pole 5 that is used for fixed

mounting module

2, 5 outsides of horizontal pole are equipped with and are used for sealed

sealing washer

6, 2 upsides of installing module are equipped with and are used for fixed

pull ring

7, 1 upsides of piston rod body offer the mounting groove 16 that is used for installing

module

2, 16 bottoms of mounting groove are equipped with elastic telescopic's elastic component 9, elastic component 9 inboard is equipped with the bracing piece 8 that is used for supporting, 8 upsides of bracing piece are equipped with and are used for fixed supporting

shoe

10, 1 downside of piston rod body is equipped with connector 14 that is used for connecting sealed module 3, the connector 14 outside is equipped with the screw thread, 1 outside of piston rod body is equipped with seal groove 15 that is used for installing sealing washer 6.

In the present embodiment, the number of the units and the distribution of the balls 4 may be set as required.

Wherein, sealing module 3 includes piston body 11, and ball 4 evenly distributed is in the piston body 11 outside, and 11 downside of piston body is equipped with the blotter 13 that is used for the buffering effort, and piston body 11 offers the outside and is used for reducing area of contact's recess 12, and the fixed slot that is used for installing piston rod body 1 is offered to 11 upsides of piston body.

In addition, the mounting module 2 comprises a mounting plate 17, a mounting head 18 for mounting the piston rod body 1 is arranged on the lower side of the mounting plate 17, threads are arranged on the outer side of the mounting head 18, a holding rod 19 for grasping is arranged on the upper side of the mounting plate 17, a supporting table 20 for supporting is arranged on the upper side of the holding rod 19, and a fixing block 21 for fixing the pull ring 7 is arranged on the upper side of the supporting table 20. The length of the piston rod body 1 can be set as required.

The piston rod has a mounting module, a schematic structural diagram of which is shown in fig. 3, and a split diagram of a piston rod body of which is shown in fig. 4.

Here, it should be noted that the elastic element 9 may be a spring or an elastic sheet, and may be set as needed.

When using the piston rod of this technical scheme, install sealed module 3 at the downside of piston rod body 1 earlier, then fix installation module 2 at the upside of piston body 11 again, insert horizontal pole 5 in piston rod body 1, then wrap up the horizontal pole 5 outside with sealing washer 6, make whole piston rod form a whole, then install the piston rod in the inboard of hydro-cylinder or cylinder can normal use again, if need change sealed module 3, can directly twist out it, through set up connector 14 and mounting groove 16 at the downside and the upside of piston rod body 1, can assemble sealed module 3 and installation module 2 on piston rod body 1 respectively.

Claims

1. A wear-resistant piston rod convenient to assemble comprises a piston rod body, an installation module arranged on the upper side of the piston rod body and used for installation, a sealing module arranged on the lower side of the piston rod body and used for sealing, and balls arranged on the outer side of the sealing module and used for reducing friction; the mounting structure is characterized in that a cross rod used for fixing the mounting module is arranged on the inner side of the piston rod body, a sealing ring used for sealing is arranged on the outer side of the cross rod, a pull ring used for fixing is arranged on the upper side of the mounting module, a mounting groove used for mounting the mounting module is formed in the upper side of the piston rod body, and an elastic element capable of elastically stretching is arranged at the bottom of the mounting groove.

2. A wear-resistant piston rod easy to assemble according to claim 1 characterized in that said sealing module comprises a piston body, said balls are evenly distributed outside said piston body, and a buffer pad is provided on the underside of said piston body for buffering the acting force.

3. A wear-resistant piston rod easy to assemble according to claim 2, wherein the piston body has a groove formed on the outside thereof for reducing the contact area, and a fixing groove formed on the top side thereof for mounting the piston rod body.

4. A wear-resistant piston rod easy to assemble according to claim 3 characterized in that said mounting module comprises a mounting plate with a mounting head for mounting said piston rod body on the underside, said mounting head being provided with a thread on the outside.

5. A wear-resistant piston rod convenient to assemble according to claim 4, wherein the mounting plate is provided with a holding rod on the upper side for gripping, the holding rod is provided with a support platform on the upper side for supporting, and the support platform is provided with a fixing block for fixing the pull ring on the upper side.

6. An easily assembled wear-resistant piston rod as claimed in claim 5, wherein said elastic member is provided with a support rod inside for supporting, and said support rod is provided with a support block on the upper side for fixing.

7. A wear-resistant piston rod convenient to assemble according to claim 6, wherein a connector for connecting the sealing module is arranged on the lower side of the piston rod body, threads are arranged on the outer side of the connector, and a sealing groove for installing the sealing ring is arranged on the outer side of the piston rod body.