CN216382086U - Limit sleeve structure of oil cylinder - Google Patents

Limit sleeve structure of oil cylinder Download PDF

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Publication number
CN216382086U
CN216382086U CN202122166011.5U CN202122166011U CN216382086U CN 216382086 U CN216382086 U CN 216382086U CN 202122166011 U CN202122166011 U CN 202122166011U CN 216382086 U CN216382086 U CN 216382086U
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CN
China
Prior art keywords
cylinder body
sleeve
rod
side wall
positioning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202122166011.5U
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Chinese (zh)
Inventor
谢平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Jiulong Hydraulic Machinery Co ltd
Original Assignee
Kunshan Jiulong Hydraulic Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunshan Jiulong Hydraulic Machinery Co ltd filed Critical Kunshan Jiulong Hydraulic Machinery Co ltd
Priority to CN202122166011.5U priority Critical patent/CN216382086U/en
Application granted granted Critical
Publication of CN216382086U publication Critical patent/CN216382086U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a limit sleeve structure of an oil cylinder, which comprises: the hydraulic cylinder comprises a cylinder body, a limiting sleeve assembly and a hydraulic rod, wherein two sides of a port of the cylinder body are both connected with a sleeve, and the sleeve and the cylinder body are fixedly connected through a flange plate; the limiting sleeve assembly is correspondingly arranged in the center of the inner wall of the cylinder body, and a positioning structure connected with the limiting sleeve assembly is arranged on the outer side of the cylinder body; the hydraulic rod is inserted in the cylinder body and extends to be connected with the limiting sleeve component. The position of the limiting sleeve can be positioned under the use of the positioning rod, the stability of the use of the limiting sleeve is ensured, in addition, when the disassembly is needed, the positioning rod can be pulled to be separated from the connection with the limiting sleeve, the limiting sleeve can be taken out for repair or replacement, and the integral replacement is not needed once the damage occurs, so the use cost is relatively reduced.

Description

Limit sleeve structure of oil cylinder
Technical Field
The utility model relates to the technical field of oil cylinder structures, in particular to a limiting sleeve structure of an oil cylinder.
Background
The oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, when the oil cylinder is used for realizing reciprocating motion, a speed reducer can be omitted, no transmission gap exists, and the motion is stable, so that the oil cylinder is widely applied to hydraulic systems of various machines, and the double-rod oil cylinder is an oil cylinder with piston rods at the left end and the right end of the oil cylinder.
The limiting sleeve of the existing double-rod oil cylinder is usually integrally formed with a cylinder body or fixed on the cylinder body in a welding mode, the cylinder body is deformed in a certain amount in the welding process in the welding mode, so that the precision of the cylinder body is affected, and the two problems are that the cylinder body needs to be replaced together after the limiting sleeve bearing impact is damaged, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a limiting sleeve structure of an oil cylinder.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a stop collar structure of hydro-cylinder includes: the hydraulic cylinder comprises a cylinder body, a limiting sleeve assembly and a hydraulic rod, wherein two sides of a port of the cylinder body are both connected with a sleeve, and the sleeve and the cylinder body are fixedly connected through a flange plate; the limiting sleeve assembly is correspondingly arranged in the center of the inner wall of the cylinder body, and a positioning structure connected with the limiting sleeve assembly is arranged on the outer side of the cylinder body; the hydraulic rod is inserted in the cylinder body and extends to be connected with the limiting sleeve component.
Preferably, the sleeve is sleeved outside the hydraulic rod, a rubber ring connected with the hydraulic rod is arranged on the inner wall of the sleeve, and an oil nozzle communicated with the cylinder body is arranged on the side wall of the sleeve.
Preferably, the stop collar subassembly includes two fixed connection discs on the cylinder body inner wall, and disc and cylinder body vertical distribution, the rectangle opening has been seted up on the lateral wall of disc, and sliding connection has the stop collar in the rectangle opening, the both ends of stop collar all extend to the outside of disc and are provided with the spread groove of being connected with the hydraulic stem, location structure corresponds the setting on the cylinder body lateral wall between two discs.
Preferably, location structure is including seting up the circular recess on the cylinder body lateral wall, and sliding connection has the movable block on the circular recess inner wall, the vertical locating lever of fixedly connected with on the lateral wall of movable block, and the locating lever one end of keeping away from the movable block run through the lateral wall of cylinder body and be connected with the hydraulic stem in the stop collar, fixed the cup joint has the stopper parallel with the stop collar on the locating lever lateral wall in the cylinder body, and the locating lever overcoat between stopper and the cylinder body inner wall has cup jointed compression spring.
Preferably, the side wall of the limiting sleeve is provided with a positioning hole corresponding to the positioning rod, the positioning hole extends into the limiting sleeve and is communicated with the hydraulic rod, the lower end of the positioning rod is provided with a jacking block which is abutted against the hydraulic rod, and the side wall of the hydraulic rod is provided with a groove which is matched and connected with the jacking block.
Preferably, a spherical handle is fixedly connected to the side wall of the movable block, which is far away from the positioning rod, and the spherical handle can stretch the positioning rod to the outer side of the cylinder body and separate from the connection with the hydraulic rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the two sides of the port of the cylinder body are both connected with the sleeve, and the sleeve and the cylinder body are fixedly connected through the flange plate, so that the sleeve and the cylinder body can be conveniently disassembled and assembled.
2. The position of the limiting sleeve can be positioned under the use of the positioning rod, the stability of the use of the limiting sleeve is ensured, in addition, when the disassembly is needed, the positioning rod can be pulled to be separated from the connection with the limiting sleeve, the limiting sleeve can be taken out for repair or replacement, and the integral replacement is not needed once the damage occurs, so the use cost is relatively reduced.
Drawings
FIG. 1 is a schematic view of an external structure of a stop collar of an oil cylinder according to the present invention;
FIG. 2 is a schematic view of an internal structure of a stop collar of an oil cylinder according to the present invention;
fig. 3 is a schematic structural view of a limiting assembly of a limiting sleeve structure of an oil cylinder according to the present invention.
In the figure: the oil pump comprises a cylinder body 1, a sleeve 2, a flange 3, a hydraulic rod 4, an oil nozzle 5, a disc 6, a limiting sleeve 7, a circular groove 8, a movable block 9, a positioning rod 10, a limiting block 11, a compression spring 12 and a spherical handle 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a stop collar structure of an oil cylinder includes: cylinder body 1, stop collar subassembly and hydraulic stem 4, the port both sides of cylinder body 1 all are connected with sleeve pipe 2, and through ring flange 3 fixed connection between sleeve pipe 2 and the cylinder body 1, make things convenient for the dismouting between sleeve pipe 2 and the cylinder body 1.
Wherein, the stop collar subassembly corresponds and sets up at 1 inner wall central authorities of cylinder body, and the outside of cylinder body 1 is provided with the location structure who is connected with the stop collar subassembly, the stop collar subassembly includes two fixed connection discs 6 on 1 inner wall of cylinder body, and disc 6 and cylinder body vertical distribution, the rectangle opening has been seted up on the lateral wall of disc 6, and sliding connection has stop collar 7 in the rectangle opening, the both ends of stop collar 7 all extend to the outside of disc 6 and are provided with the spread groove of being connected with hydraulic stem 4, location structure corresponds and sets up on 1 lateral wall of cylinder body between two discs 6.
Specifically, location structure is including seting up circular slot 8 on 1 lateral wall of cylinder body, and sliding connection has movable block 9 on the 8 inner walls of circular slot, the vertical locating lever 10 of fixedly connected with on the lateral wall of movable block 9, and the locating lever 10 is kept away from the one end of movable block 9 and is run through the lateral wall of cylinder body 1 and be connected with hydraulic stem 4 in the stop collar 7, fixed the cup joint has stopper 11 parallel with stop collar 7 on the locating lever 10 lateral wall in the cylinder body 1, and the locating lever 10 overcoat between stopper 11 and the 1 inner wall of cylinder body has compression spring 12, compression spring 12 plays the effect that compresses tightly to stopper 11, produce the effort for stop collar 7 and make it be in stable state promptly to locating lever 10.
More specifically, the side wall of the position limiting sleeve 7 is provided with a positioning hole corresponding to the positioning rod 10, the positioning hole extends into the position limiting sleeve 7 and is communicated with the hydraulic rod 4, the lower end of the positioning rod 10 is provided with a top block abutting against the hydraulic rod 4, the side wall of the hydraulic rod 4 is provided with a groove matched and connected with the top block, the side wall of the movable block 9 far away from the positioning rod 10 is fixedly connected with a spherical handle 13, the spherical handle 13 can stretch the positioning rod 10 to the outer side of the cylinder body 1 and is separated from the connection with the hydraulic rod 4, the number of the positioning structures can be multiple, four positioning structures are adopted in the embodiment and are correspondingly arranged around the position limiting sleeve 7, the position of the position limiting sleeve 7 can be positioned under the use of the positioning rod 10, the stability of the use of the position limiting sleeve 7 is ensured, in addition, when the disassembly is needed, the positioning rod 10 can be pulled to separate the connection with the position limiting sleeve 7, and the position limiting sleeve 7 can be taken out for repair or replacement, the fixing mode of the compression spring 12 is adopted, compared with a bolt mode, the convenience is improved, and no additional tool is needed.
Further, hydraulic stem 4 pegs graft in cylinder body 1 and extend to and be connected with the stop collar subassembly, and sleeve pipe 2 cup joints in hydraulic stem 4's the outside, and is provided with the rubber circle of being connected with hydraulic stem 4 on sleeve pipe 2's the inner wall, is provided with glib talker 5 with 1 intercommunication of cylinder body on sleeve pipe 2's the lateral wall, through be provided with glib talker 5 in sleeve pipe 2's the outside, guarantees that fluid lets in to cylinder body 1 smoothly, guarantees the stable use of hydro-cylinder.
When the positioning rod fixing device is used, the limiting sleeve 7 is moved between the two discs 6, the positioning rod 10 is correspondingly inserted into the limiting sleeve 7, the hydraulic rod 4 is smoothly inserted into the cylinder body 1, the spherical handle 13 is pulled, the positioning rod 10 is separated from the contact with the limiting sleeve 7, then the hydraulic rod 4 is pushed to be smoothly abutted against the limiting sleeve 7, then the spherical handle 13 is loosened, and the positioning rod 10 is smoothly contacted with the hydraulic rod 4 and fixed under the action of the compression spring 12, so that the installation operation is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a stop collar structure of hydro-cylinder which characterized in that includes:
the cylinder comprises a cylinder body (1), wherein two sides of a port of the cylinder body (1) are both connected with a sleeve (2), and the sleeve (2) is fixedly connected with the cylinder body (1) through a flange plate (3);
the limiting sleeve assembly is correspondingly arranged in the center of the inner wall of the cylinder body (1), and a positioning structure connected with the limiting sleeve assembly is arranged on the outer side of the cylinder body (1);
the hydraulic rod (4) is inserted in the cylinder body (1) and extends to be connected with the limiting sleeve component.
2. The limiting sleeve structure of the oil cylinder according to claim 1, wherein the sleeve (2) is sleeved outside the hydraulic rod (4), a rubber ring connected with the hydraulic rod (4) is arranged on the inner wall of the sleeve (2), and an oil nozzle (5) communicated with the cylinder body (1) is arranged on the side wall of the sleeve (2).
3. The structure of the limit sleeve of the oil cylinder as claimed in claim 1, wherein the limit sleeve assembly comprises two disks (6) fixedly connected to the inner wall of the cylinder body (1), the disks (6) are vertically distributed with the cylinder body, a rectangular opening is formed in the side wall of each disk (6), a limit sleeve (7) is slidably connected in the rectangular opening, two ends of each limit sleeve (7) extend to the outer side of each disk (6) and are provided with connecting grooves connected with the hydraulic rods (4), and the positioning structures are correspondingly arranged on the side wall of the cylinder body (1) between the two disks (6).
4. The structure of the limit sleeve of the oil cylinder according to claim 3, characterized in that the positioning structure comprises a circular groove (8) formed in the outer side wall of the cylinder body (1), a movable block (9) is slidably connected to the inner wall of the circular groove (8), a vertical positioning rod (10) is fixedly connected to the side wall of the movable block (9), one end, far away from the movable block (9), of the positioning rod (10) penetrates through the side wall of the cylinder body (1) and is connected with a hydraulic rod (4) in the limit sleeve (7), a limit block (11) parallel to the limit sleeve (7) is fixedly sleeved on the outer side wall of the positioning rod (10) in the cylinder body (1), and a compression spring (12) is sleeved outside the positioning rod (10) between the limit block (11) and the inner wall of the cylinder body (1).
5. The structure of the limit sleeve of the oil cylinder according to claim 4, wherein a side wall of the limit sleeve (7) is provided with a positioning hole corresponding to the positioning rod (10), the positioning hole extends into the limit sleeve (7) and is communicated with the hydraulic rod (4), the lower end of the positioning rod (10) is provided with a top block abutting against the hydraulic rod (4), and a side wall of the hydraulic rod (4) is provided with a groove in fit connection with the top block.
6. The structure of the limit sleeve of the oil cylinder according to claim 4, characterized in that a spherical handle (13) is fixedly connected to the side wall of the movable block (9) far away from the locating rod (10), and the spherical handle (13) can stretch the locating rod (10) to the outer side of the cylinder body (1) and is separated from the connection with the hydraulic rod (4).
CN202122166011.5U 2021-09-08 2021-09-08 Limit sleeve structure of oil cylinder Expired - Fee Related CN216382086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122166011.5U CN216382086U (en) 2021-09-08 2021-09-08 Limit sleeve structure of oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122166011.5U CN216382086U (en) 2021-09-08 2021-09-08 Limit sleeve structure of oil cylinder

Publications (1)

Publication Number Publication Date
CN216382086U true CN216382086U (en) 2022-04-26

Family

ID=81241461

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122166011.5U Expired - Fee Related CN216382086U (en) 2021-09-08 2021-09-08 Limit sleeve structure of oil cylinder

Country Status (1)

Country Link
CN (1) CN216382086U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220426