CN217713160U

CN217713160U - Hydraulic oil cylinder

Info

Publication number: CN217713160U
Application number: CN202221040634.6U
Authority: CN
Inventors: 许科伟; 张艳成
Original assignee: Changzhou Wujin Anwei Hydraulic Manufacturing Co ltd
Current assignee: Changzhou Wujin Anwei Hydraulic Manufacturing Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-01
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to the technical field of hydraulic pressure, in particular to a hydraulic cylinder, which comprises a cylinder body, wherein the cylinder body comprises an upper cylinder body and a lower cylinder body, the upper cylinder body is detachably connected with the lower cylinder body, a plurality of jacks are arranged at the bottom end of the upper cylinder body, a plurality of inserting columns are arranged at the top end of the lower cylinder body, and a plurality of inserting columns are connected with the upper cylinder body through a clamping structure; the utility model provides a thereby hydraulic cylinder convenient to installation and dismantlement make things convenient for maintenance and transport.

Description

Hydraulic oil cylinder

Technical Field

The utility model relates to the field of hydraulic technology, in particular to hydraulic cylinder.

Background

The hydraulic oil cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). When it is used to implement reciprocating movement, it can save speed reducer, and has no transmission gap and stable movement, so that it can be extensively used in various mechanical hydraulic systems.

At present, most hydraulic cylinder's volume is great, and the cylinder body of hydro-cylinder be overall structure, and it is relatively troublesome to lead to needing to dismantle the hydro-cylinder wholly when breaking down hydro-cylinder inside and maintain, wastes time and energy, influences work efficiency, also is not convenient for carry moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect and not enough that prior art exists, thereby providing a hydraulic cylinder convenient to installation and dismantlement make things convenient for maintenance and transport.

Realize the utility model discloses the technical scheme of purpose is: the utility model provides a hydraulic cylinder, includes the cylinder body, the cylinder body includes cylinder body and lower cylinder body, go up detachable connection between cylinder body and the lower cylinder body, a plurality of jacks have been seted up to the bottom of going up the cylinder body, the top of cylinder body is equipped with a plurality of posts of inserting down, and is a plurality of it passes through joint structure and last cylinder body coupling to insert the post.

Furthermore, the clamping structure comprises a clamping block and an elastic piece, the clamping block is embedded in the blind hole in the inserting column, the clamping block is in sliding fit with the blind hole, the elastic piece is arranged between the clamping block and the side wall of the blind hole, the side wall of the inserting column is provided with a through hole, and the through hole is communicated with the blind hole.

Furthermore, the outer circumferential wall of the upper cylinder body is provided with a clamping hole, and the clamping hole is communicated with the through hole.

Furthermore, the joint of the upper cylinder body and the lower cylinder body is sleeved with a hoop.

Furthermore, the clamp comprises an upper clamping plate and a lower clamping plate, the left ends of the upper clamping plate and the lower clamping plate are hinged to each other, the right end of the upper clamping plate extends to form an upper connecting plate, the right end of the lower clamping plate extends to form a lower connecting plate, and the upper connecting plate is connected with the lower connecting plate through a bolt.

Further, the two ends of the upper connecting plate are respectively provided with a first clamping groove and a first threaded hole, the first clamping groove is communicated with the first threaded hole, the two ends of the lower connecting plate are respectively provided with a second clamping groove, a fixed shaft is installed in the second clamping groove, a fixed column is rotatably connected to the fixed shaft, a second threaded hole is formed in the end portion, far away from the fixed shaft, of the fixed column, and the bolt is in threaded connection with the first threaded hole and the second threaded hole.

Furthermore, a plurality of third clamping grooves are formed in the outer circumferential walls of the upper cylinder body and the lower cylinder body respectively, a plurality of protruding blocks are formed in the inner circumferential walls of the upper clamping plate and the lower clamping plate respectively, and the third clamping grooves are matched with the protruding blocks.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) The upper cylinder body and the lower cylinder body are detachably connected, so that the oil cylinder is convenient to maintain and carry in the later period;

(2) The utility model increases the stress area of the joint of the upper cylinder body and the lower cylinder body through the arrangement of the hoop, thereby improving the strength and rigidity of the joint of the upper cylinder body and the lower cylinder body;

(3) The utility model discloses a setting of third draw-in groove and lug has further improved the stability of connecting between last cylinder body and the lower cylinder body.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a schematic view of a clip of embodiment 1;

FIG. 5 is a schematic view of a clip according to embodiment 2;

FIG. 6 is a schematic view of an upper connecting plate in embodiment 2;

fig. 7 is a plan view of a lower connecting plate in embodiment 2.

In the figure: go up cylinder body 1, jack 1a, card hole 1b, lower cylinder body 2, insert post 3, blind hole 3a, through-hole 3b, fixture block 4a, elastic component 4b, clamp 5, go up cardboard 5a, lower cardboard 5b, upper junction plate 5a1, first draw-in groove 5a11, first screw hole 5a12, lower junction plate 5b1, second draw-in groove 5b11, bolt 6, fixed axle 7, fixed column 8, second screw hole 8a, third draw-in groove 9, lug 10, cylinder cap 11, cylinder bottom 12, piston 13, piston rod 14.

Detailed Description

Example 1

As shown in fig. 1-4, a hydraulic cylinder comprises a cylinder body, a cylinder cover 11 and a cylinder bottom 12 are integrally formed at two ends of the cylinder body respectively, a piston 13 is slidably connected inside the cylinder body, the top end of the piston 13 is in threaded connection with the bottom end of a piston rod 14, the top end of the piston rod 14 penetrates through the cylinder cover 11 and extends out of the cylinder body, the cylinder body comprises an upper cylinder body 1 and a lower cylinder body 2, the upper cylinder body 1 is detachably connected with the lower cylinder body 2, and the upper cylinder body 1 is detachably connected with the lower cylinder body 2, so that the later-stage maintenance and transportation of the cylinder are facilitated. Specifically, four insertion holes 1a are uniformly formed in the bottom end face of the upper cylinder body 1, four insertion posts 3 are correspondingly arranged on the top end face of the lower cylinder body 2, the insertion holes 1a are matched with the insertion posts 3, the four insertion posts 3 are respectively connected with the upper cylinder body 1 through clamping structures, each clamping structure comprises a clamping block 4a and an elastic piece 4b, each clamping block 4a comprises a sliding portion and a clamping portion, the sliding portions and the clamping portions are integrally formed, each elastic piece 4b is a spring, the sliding portions of the clamping blocks 4a are embedded in blind holes 3a in the insertion posts 3 and are in sliding fit with the blind holes 3a, the side walls of the insertion posts 3 are provided with through holes 3b, the through holes 3b are communicated with the blind holes 3a, the clamping portions of the clamping blocks 4a are in sliding fit with the through holes 3b, the springs are arranged between the clamping blocks 4a and the side walls of the blind holes 3a, one ends of the springs are connected with the clamping blocks 4a, the other ends of the springs are connected with the side walls of the blind holes 3a, the springs are in a compressed state, clamping holes 1b are formed in the outer circumferential wall of the upper cylinder body 1, and the clamping holes 1b are communicated with the through holes 3 b. The clamp 5 is sleeved outside the joint of the upper cylinder body 1 and the lower cylinder body 2, and the stress area of the joint of the upper cylinder body 1 and the lower cylinder body 2 is increased through the arrangement of the clamp 5, so that the strength and the rigidity of the joint of the upper cylinder body 1 and the lower cylinder body 2 are improved. Specifically, the clamp 5 comprises an upper clamping plate 5a and a lower clamping plate 5b, the left ends of the upper clamping plate 5a and the lower clamping plate 5b are hinged to each other, the right end of the upper clamping plate 5a is extended to form an upper connecting plate 5a1, the right end of the lower clamping plate 5b is extended to form a lower connecting plate 5b1, and two ends of the upper connecting plate 5a1 and two ends of the lower connecting plate 5b1 are connected through bolts 6 and nuts respectively. The outer circumferential walls of the upper cylinder body 1 and the lower cylinder body 2 are respectively and uniformly provided with a plurality of third clamping grooves 9, the inner circumferential walls of the upper clamping plate 5a and the lower clamping plate 5b are respectively and uniformly provided with a plurality of convex blocks 10, the third clamping grooves 9 are matched with the convex blocks 10, and the stability of the fixed connection between the upper cylinder body 1 and the lower cylinder body 2 is further improved through the arrangement of the third clamping grooves 9 and the convex blocks 10. A sealing ring is arranged between the upper cylinder body 1 and the lower cylinder body 2, and the sealing performance of the cylinder body is improved through the arrangement of the sealing ring.

When hydraulic cylinder assembles, at first will insert post 3 and aim at jack 1a and insert, at the male in-process, the joint portion of fixture block 4a contradicts with the interior circumference wall of jack 1a, when inserting post 3 and get into in the jack 1a completely, thereby the joint portion of fixture block 4a passes through-hole 3b and gets into the fixed connection of card hole 1b and lower cylinder body 2 under the spring action of spring, then enclose upper clamping plate 5a and lower clamping plate 5b and close the junction at upper cylinder body 1 and lower cylinder body 2, lug 10 gets into third draw-in groove 9 this moment, realize upper junction plate 5a1 and lower connecting plate 5b 1's fastening through bolt 6 and nut at last. When hydraulic cylinder dismantles, at first make upper junction plate 5a1 and lower connecting plate 5b1 separation through bolt 6 and nut, then dismantle down clamp 5, press the joint portion of fixture block 4a at last and make it retract to in through-hole 3b, it can to extract and insert post 3.

Example 2

As shown in fig. 5 to 7, a difference between the present embodiment and embodiment 1 is that a connection structure of an upper connection plate 5a1 and a lower connection plate 5b1 is different, in the present embodiment, two ends of the upper connection plate 5a1 are respectively provided with a first clamping slot 5a11 and a first threaded hole 5a12, the first clamping slot 5a11 is communicated with the first threaded hole 5a12, two ends of the lower connection plate 5b1 are respectively provided with a second clamping slot 5b11, a fixed shaft 7 is installed in the second clamping slot 5b11, a fixed column 8 is rotatably connected to the fixed shaft 7, and an end of the fixed column 8, which is far away from the fixed shaft 7, is provided with a second threaded hole 8a.

When the upper connecting plate 5a1 and the lower connecting plate 5b1 are connected, the fixing column 8 is rotated to enable the end portion, far away from the fixing shaft 7, of the fixing column 8 to be located in the first clamping groove 5a11, at the moment, the first threaded hole 5a12 and the second threaded hole 8a are coaxial, and then the bolt 6 penetrates through the first threaded hole 5a12 and the second threaded hole 8a to achieve threaded connection of the bolt 6 with the first threaded hole 5a12 and the second threaded hole 8a.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a hydraulic cylinder, includes the cylinder body, its characterized in that: the cylinder body includes cylinder body (1) and lower cylinder body (2), go up detachable connection between cylinder body (1) and the lower cylinder body (2), a plurality of jacks (1 a) have been seted up to the bottom of going up cylinder body (1), the top of lower cylinder body (2) is equipped with a plurality of posts (3), and is a plurality of it is connected with last cylinder body (1) through the joint structure to insert post (3).

2. A hydraulic cylinder as claimed in claim 1, characterized by: the clamping structure comprises a clamping block (4 a) and an elastic piece (4 b), the clamping block (4 a) is embedded in a blind hole (3 a) in the inserting column (3), the clamping block (4 a) is in sliding fit with the blind hole (3 a), the elastic piece (4 b) is arranged between the clamping block (4 a) and the side wall of the blind hole (3 a), a through hole (3 b) is formed in the side wall of the inserting column (3), and the through hole (3 b) is communicated with the blind hole (3 a).

3. A hydraulic cylinder as claimed in claim 2, characterized by: go up the outer circumferential wall of cylinder body (1) and be equipped with card hole (1 b), card hole (1 b) and through-hole (3 b) intercommunication.

4. A hydraulic cylinder according to any one of claims 1 to 3, characterised in that: go up the junction cover of cylinder body (1) and lower cylinder body (2) and be equipped with clamp (5).

5. A hydraulic cylinder according to claim 4, characterized in that: the clamp (5) comprises an upper clamping plate (5 a) and a lower clamping plate (5 b), the left ends of the upper clamping plate (5 a) and the lower clamping plate (5 b) are hinged to each other, an upper connecting plate (5 a 1) is formed by extending the right end of the upper clamping plate (5 a), a lower connecting plate (5 b 1) is formed by extending the right end of the lower clamping plate (5 b), and the upper connecting plate (5 a 1) is connected with the lower connecting plate (5 b 1) through a bolt (6).

6. A hydraulic cylinder according to claim 5, characterized in that: the improved bolt is characterized in that two ends of the upper connecting plate (5 a 1) are respectively provided with a first clamping groove (5 a 11) and a first threaded hole (5 a 12), the first clamping groove (5 a 11) is communicated with the first threaded hole (5 a 12), two ends of the lower connecting plate (5 b 1) are respectively provided with a second clamping groove (5 b 11), a fixing shaft (7) is installed in the second clamping groove (5 b 11), the fixing shaft (7) is connected with a fixing column (8) in a rotating mode, the end portion, far away from the fixing shaft (7), of the fixing column (8) is provided with a second threaded hole (8 a), and the bolt (6) is in threaded connection with the first threaded hole (5 a 12) and the second threaded hole (8 a).

7. A hydraulic cylinder according to claim 5 or 6, characterized in that: the outer circumferential walls of the upper cylinder body (1) and the lower cylinder body (2) are respectively provided with a plurality of third clamping grooves (9), the inner circumferential walls of the upper clamping plate (5 a) and the lower clamping plate (5 b) are respectively provided with a plurality of convex blocks (10), and the third clamping grooves (9) are matched with the convex blocks (10).