CN220227360U

CN220227360U - Hydraulic cylinder assembly

Info

Publication number: CN220227360U
Application number: CN202321672235.6U
Authority: CN
Inventors: 马诚
Original assignee: Shenyang Wanquan Hengxing Intelligent Equipment Co ltd
Current assignee: Shenyang Wanquan Hengxing Intelligent Equipment Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-22
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses a hydraulic cylinder assembly, which relates to the field of hydraulic cylinders and comprises a piston body and a T-shaped rod, wherein an installation block is fixedly connected to the outer wall of the T-shaped rod, an installation groove for inserting the installation block is formed in one side surface of the piston body, which is close to the T-shaped rod, a first positioning block is slidably installed on the outer wall of the installation block, a first positioning groove for inserting the first positioning block is formed in the inner wall of the installation groove, a second positioning block is slidably installed on the outer wall of the installation block, and a second positioning groove for inserting the second positioning block is formed in the inner wall of the installation groove; through the cooperation between the structures, the piston body and the T-shaped rod can be replaced, meanwhile, no part is arranged on the outer wall of the piston body, no extra friction force is introduced, and the stability and the tightness of the piston body in the cylinder barrel sliding process can be effectively ensured.

Description

Hydraulic cylinder assembly

Technical Field

The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder assembly.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), has simple structure and reliable work, can avoid a speed reducing device when being used for realizing reciprocating motion, has no transmission clearance and stable motion, and is widely applied to hydraulic systems of various machines.

The chinese patent publication No. CN209671313U discloses a hydraulic cylinder piston assembly, which comprises a piston and a connecting rod, wherein a bolt is fixedly installed at one end of the connecting rod, which is close to the piston, a slot is formed on the outer wall of one side of the piston, which is close to the connecting rod, and the bolt is matched with the slot, a connecting device is installed between the bolt and the piston, and a compressing device is arranged in the slot. The advantages are that: above-mentioned patent is connected connecting rod and piston through connecting device's draw-in lever and draw-in groove, simple structure, convenient and fast, and the two of being convenient for dismantle and install, when the piston rod breaks down, can change connecting rod or piston according to the condition, has reduced cost expenditure, and secondly closing device can tightly sticis the inner wall of draw-in lever outer wall and draw-in groove together, has improved connecting device's stability.

Through the cooperation between the above-mentioned structure, above-mentioned patent can be changed connecting rod or piston according to the circumstances, but owing to insert two pull rods on the both sides outer wall symmetry of piston in above-mentioned patent, so, the piston is at the inside gliding in-process of pneumatic cylinder barrel, and two pull rods will introduce extra frictional force with the inner wall contact of cylinder barrel, has increased the sliding friction resistance of piston, and then stability and the leakproofness when easily influencing the piston motion.

To this end we propose a hydraulic cylinder assembly.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pneumatic cylinder subassembly, including piston body and T shape pole, the outer wall fixedly connected with installation piece of T shape pole, the mounting groove that supplies the installation piece to insert is offered to one side that the piston body is close to T shape pole, the outer wall slidable mounting of installation piece has first positioning block, the first positioning groove that supplies first positioning block to insert is offered to the inner wall of mounting groove, the outer wall slidable mounting of installation piece has the second locating piece, the second positioning groove that supplies the second locating piece to insert is offered to the inner wall of mounting groove, realize dismantling and the equipment between piston body and the T shape pole.

Preferably, the side wall of the first positioning block is obliquely arranged, so that a worker can conveniently rotate the T-shaped rod.

Preferably, the outer wall fixedly connected with first spring of first locating block, the one end that first spring kept away from first locating block and the inner wall fixed connection of installation piece can make first locating block have the trend to first constant head tank direction removal in real time.

Preferably, the outer wall fixedly connected with second spring of second locating piece, the one end that second spring kept away from the second locating piece and the inner wall fixed connection of installation piece can make the second locating piece have the trend that moves to second constant head tank direction in real time.

Preferably, the outer wall fixedly connected with connecting rod of second locating piece, the sliding tray that supplies the connecting rod to slide is seted up to the inside of T shape pole, through the sliding connection pole, can drive a plurality of second locating pieces to remove in step.

Preferably, the one end fixedly connected with magnet of piston body is kept away from to the connecting rod, and the inside slidable mounting of T shape pole has the slide bar, and the outer wall fixedly connected with driving lever of slide bar, and the guide way that supplies the driving lever to slide is seted up to the outer wall of T shape pole, and the one end fixedly connected with that the slide bar is close to the connecting rod is mutually adapted magnetic block with magnet, has further improved the convenience of dismantling between piston body and the T shape pole.

Preferably, the one end slidable mounting that the driving lever kept away from the slide bar has the sleeve, and the fixed slot that supplies the sleeve to insert is seted up to the inner wall of guide slot, has further improved the stability of being connected between piston body and the T shape pole when the piston body slides in the cylinder.

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

according to the utility model, through the cooperation between the piston body, the T-shaped rod, the mounting block, the first positioning block, the second positioning block, the mounting groove, the first positioning groove and the second positioning groove, when the piston body slides in the cylinder barrel, the stability of connection between the piston body and the T-shaped rod can be effectively ensured, the replacement between the piston body and the T-shaped rod can be realized, meanwhile, no part is arranged on the outer wall of the piston body, the contact between the two pull rods and the inner wall of the cylinder barrel in the above patent is effectively avoided, additional friction force is introduced, the sliding friction resistance of the piston is increased, and the stability and the tightness of the piston during movement are easily influenced.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of the installation of a T-bar according to the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is a schematic view illustrating the installation of a first positioning block in the present utility model.

In the figure: 1. a piston body; 2. a T-bar; 3. a mounting block; 4. a first positioning block; 5. a second positioning block; 6. a connecting rod; 7. a magnet; 8. a slide bar; 9. a deflector rod; 10. a sleeve; 11. a first spring; 12. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a hydraulic cylinder assembly in the drawings comprises a piston body 1 and a T-shaped rod 2, wherein an installation block 3 is fixedly connected to the outer wall of the T-shaped rod 2, an installation groove for inserting the installation block 3 is formed in one side surface of the piston body 1, which is close to the T-shaped rod 2, a first positioning block 4 is slidably mounted on the outer wall of the installation block 3, a first positioning groove for inserting the first positioning block 4 is formed in the inner wall of the installation groove, a second positioning block 5 is slidably mounted on the outer wall of the installation block 3, and a second positioning groove for inserting the second positioning block 5 is formed in the inner wall of the installation groove.

In this embodiment: the prior art: the chinese patent with publication number CN209671313U discloses a hydraulic cylinder piston assembly, in which technical means of a piston, a connecting rod and a bolt are disclosed, and the piston body 1 and the T-shaped rod 2 in the present application adopt the same technical means in the prior art, and the technical means are not described in detail herein.

In this embodiment: the outer wall of installation piece 3 is laminated with the inner wall slip of mounting groove, and the inner wall slip laminating of first locating piece 4 and installation piece 3, the second locating piece 5 is laminated with the inner wall slip of installation piece 3, can guarantee the inside leakproofness of installation piece 3, and installation piece 3 is provided with a plurality ofly, and a plurality of installation pieces 3 evenly distributed are at the outer wall of T shape pole 2, and first locating piece 4 and second locating piece 5 symmetry set up the top surface and the bottom surface at installation piece 3.

Working principle: when the piston body 1 or the T-shaped rod 2 needs to be replaced, the first positioning block 4 and the second positioning block 5 are controlled to slide in opposite directions until the first positioning block 4 is separated from the inside of the first positioning groove, the second positioning block 5 is separated from the inside of the second positioning groove, at this time, the first positioning block 4 and the second positioning block 5 are retracted into the inside of the mounting block 3, then, the T-shaped rod 2 can be rotated, the mounting blocks 3 can be aligned with the openings of the mounting grooves, and then the T-shaped rod 2 can be taken out from the inside of the piston body 1, so that the disassembly between the piston body 1 and the T-shaped rod 2 is realized, and at this time, the piston body 1 or the T-shaped rod 2 which needs to be replaced can be replaced.

When the piston body 1 or the T-shaped rod 2 is required to be assembled, the mounting blocks 3 are aligned with the openings of the mounting grooves, then the mounting blocks 3 can be inserted into the mounting grooves, then a worker can rotate the T-shaped rod 2 until the first positioning block 4 corresponds to the first positioning groove in position, the second positioning block 5 corresponds to the second positioning groove in position, the first positioning block 4 and the second positioning block 5 are controlled to move in opposite directions, the first positioning block 4 is stably inserted into the first positioning groove, and the second positioning block 5 is stably inserted into the second positioning groove.

For the chinese patent of bulletin number CN209671313U in prior art, it discloses a pneumatic cylinder piston subassembly, this device is through the cooperation between first locating piece 4 and the second locating piece 5, when piston body 1 slides in the cylinder inside, can effectively guarantee the stability of being connected between piston body 1 and the T shape pole 2, effectively avoid taking place relative rotation between T shape pole 2 and the piston body 1, lead to the condition that piston body 1 breaks away from with T shape pole 2, at the same time, when piston body 1 slides in the cylinder inside, the outer wall of piston body 1 is not provided with the part, can not introduce extra frictional force, stability and the leakproofness when influencing piston body 1 motion.

Example 2

Referring to fig. 1-4, this embodiment further illustrates example 1:

the side walls of the first positioning block 4 are arranged obliquely.

In this embodiment: through the lateral wall slope setting of first locating piece 4, when first locating piece 4 take place the extrusion with the inner wall of mounting groove, inside that first locating piece 4 can be pressed into the installation piece 3 voluntarily makes things convenient for the staff to rotate T shape pole 2.

The outer wall fixedly connected with first spring 11 of first locating piece 4, the one end that first spring 11 kept away from first locating piece 4 is fixedly connected with the inner wall of installation piece 3.

In this embodiment: through the first spring 11 that sets up, can make first constant head 4 have the trend of moving to first constant head tank direction in real time, effectively improve the stability of being connected between piston body 1 and the T shape pole 2.

The outer wall of the second positioning block 5 is fixedly connected with a second spring 12, and one end, away from the second positioning block 5, of the second spring 12 is fixedly connected with the inner wall of the mounting block 3.

In this embodiment: through the second spring 12 that sets up, can make the second locating piece 5 have the trend of moving to the second constant head tank direction in real time, further improved the stability of being connected between piston body 1 and the T shape pole 2.

The outer wall of the second positioning block 5 is fixedly connected with a connecting rod 6, and a sliding groove for the connecting rod 6 to slide is formed in the T-shaped rod 2.

In this embodiment: through sliding connection pole 6, can drive a plurality of second locating pieces 5 removal in step, further improved the convenience that this device used, make things convenient for the staff to dismantle piston body 1 and T shape pole 2.

One end fixedly connected with magnet 7 of piston body 1 is kept away from to connecting rod 6, and the inside slidable mounting of T shape pole 2 has slide bar 8, and slide bar 8's outer wall fixedly connected with driving lever 9, and the guide way that supplies driving lever 9 to slide is seted up to T shape pole 2's outer wall, and slide bar 8 is close to the one end fixedly connected with of connecting rod 6 and magnet 7 mutually support's magnetic block.

In this embodiment: through the cooperation between magnet 7 and the magnetic block, can adsorb slide bar 8 and connecting rod 6 together, through the direction pulling driving lever 9 to keeping away from piston body 1, can drive slide bar 8 and remove, then connecting rod 6 can drive the inside that a plurality of second locating pieces 5 break away from the second constant head tank in step, make a plurality of second locating pieces 5 retract the inside of installation piece 3.

At this time, through rotating T shape pole 2, a plurality of first locating pieces 4 are received the inside of installation piece 3 voluntarily under the effect of inclined plane, continue to rotate T shape pole 2 then until the position of installation piece 3 corresponds with the open-ended position of mounting groove, can extract T shape pole 2 from the inside of piston body 1, realize the dismantlement between piston body 1 and the T shape pole 2.

Finally, the deflector rod 9 is continuously pulled in a direction away from the piston body 1, and the sliding distance of the connecting rod 6 is limited, so that the sliding rod 8 and the connecting rod 6 can be separated, the second positioning block 5 can be returned to a far position under the action of the second spring 12, and the convenience of disassembly between the piston body 1 and the T-shaped rod 2 is further improved.

The sleeve 10 is slidably arranged at one end of the deflector rod 9 far away from the sliding rod 8, and a fixing groove for inserting the sleeve 10 is formed in the inner wall of the guide groove.

In this embodiment: through keeping away from the one end of slide bar 8 with sleeve 10 cover at driving lever 9 to insert sleeve 10 the inside of fixed slot, can fix sleeve 10, driving lever 9 and slide bar 8's position, avoid piston body 1 during operation, slide bar 8 to take place to slide in T shape pole 2 inside, influence the stability of being connected between piston body 1 and the T shape pole 2, further improved the stability of being connected between piston body 1 and the T shape pole 2 when the piston body 1 slides in the cylinder inside.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydraulic cylinder assembly comprising a piston body (1) and a T-shaped rod (2), characterized in that: the outer wall fixedly connected with installation piece (3) of T shape pole (2), piston body (1) is close to one side of T shape pole (2) has seted up the confession installation groove that installation piece (3) were inserted, the outer wall slidable mounting of installation piece (3) has first locating piece (4), the confession has been seted up to the inner wall of installation groove first locating piece (4) are inserted and are established, the outer wall slidable mounting of installation piece (3) has second locating piece (5), the confession has been seted up to the inner wall of installation groove second locating piece (5) are inserted and are established the second locating groove.

2. A hydraulic cylinder assembly according to claim 1, wherein: the side wall of the first positioning block (4) is obliquely arranged.

3. A hydraulic cylinder assembly according to claim 2, wherein: the outer wall of the first positioning block (4) is fixedly connected with a first spring (11), and one end, away from the first positioning block (4), of the first spring (11) is fixedly connected with the inner wall of the mounting block (3).

4. A hydraulic cylinder assembly according to claim 3, wherein: the outer wall of the second positioning block (5) is fixedly connected with a second spring (12), and one end, away from the second positioning block (5), of the second spring (12) is fixedly connected with the inner wall of the mounting block (3).

5. A hydraulic cylinder assembly as defined in claim 4, wherein: the outer wall of the second positioning block (5) is fixedly connected with a connecting rod (6), and a sliding groove for the connecting rod (6) to slide is formed in the T-shaped rod (2).

6. A hydraulic cylinder assembly as defined in claim 5, wherein: the piston is characterized in that a magnet (7) is fixedly connected with one end of the piston body (1) away from the connecting rod (6), a sliding rod (8) is arranged in the T-shaped rod (2) in a sliding mode, a deflector rod (9) is fixedly connected with the outer wall of the sliding rod (8), a guide groove for the deflector rod (9) to slide is formed in the outer wall of the T-shaped rod (2), and a magnetic block matched with the magnet (7) is fixedly connected with one end of the connecting rod (6) close to the sliding rod (8).

7. A hydraulic cylinder assembly as defined in claim 6, wherein: one end of the deflector rod (9) far away from the sliding rod (8) is provided with a sleeve (10) in a sliding manner, and the inner wall of the guide groove is provided with a fixing groove for inserting the sleeve (10).