CN215109814U

CN215109814U - Stable form pneumatic cylinder

Info

Publication number: CN215109814U
Application number: CN202121729499.1U
Authority: CN
Inventors: 周秀明
Original assignee: Yancheng Zhensheng Hydraulic Machinery Co ltd
Current assignee: Yancheng Zhensheng Hydraulic Machinery Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-10
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a stable form pneumatic cylinder, including pneumatic cylinder main part and piston rod, the bottom of pneumatic cylinder main part is connected with lower earring, and one side of pneumatic cylinder main part has seted up first hydraulic fluid port and second hydraulic fluid port, and the top of pneumatic cylinder main part is connected with dustproof mechanism simultaneously, first spout has been seted up to the symmetry on the inside wall of pneumatic cylinder main part, and the top of first spout is provided with first limiting plate, the piston rod sets up in the inside of pneumatic cylinder main part, and the one end and the piston head of piston rod are connected. This stable form pneumatic cylinder is provided with first limiting plate and second limiting plate, can restrict the extension length of piston rod to be convenient for prevent that the piston rod from unexpected dashing out in the pneumatic cylinder main part in the use, and then be convenient for optimize the inner structure of device, improve the stability of device, be provided with spring and buffer board simultaneously, the impact that produces when spring and buffer board reduce first limiting plate and the contact of second limiting plate, thereby be convenient for protect it.

Description

Stable form pneumatic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field specifically is a stable form pneumatic cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion. Its simple structure, reliable operation when using it to realize reciprocating motion, can remove decelerator from to there is not transmission clearance, move steadily, consequently obtain the wide application in the hydraulic system of various machinery, the most stability of current pneumatic cylinder is relatively poor, and inconvenient restricts the piston rod, and then appears the phenomenon that the piston rod rushed out the cylinder easily in the use, to above-mentioned problem, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable form pneumatic cylinder to solve the most stability relatively poor of current pneumatic cylinder that proposes in the above-mentioned background art, and inconvenient to restrict the piston rod, and then appear the problem that the piston rod rushed out the cylinder easily in the use.

In order to achieve the above object, the utility model provides a following technical scheme: a stable hydraulic cylinder comprises a hydraulic cylinder main body and a piston rod,

the bottom of the hydraulic cylinder main body is connected with a lower lug ring, one side of the hydraulic cylinder main body is provided with a first oil port and a second oil port, the top of the hydraulic cylinder main body is connected with a dustproof mechanism, the inner side wall of the hydraulic cylinder main body is symmetrically provided with first sliding chutes, the top ends of the first sliding chutes are provided with first limiting plates, and the outer side walls of the first limiting plates are fixedly connected with the inner wall of the hydraulic cylinder main body;

the piston rod sets up in the inside of pneumatic cylinder main part, and the one end and the piston head of piston rod are connected, and the other end and the last earrings of piston rod are connected simultaneously, go up the earrings setting in the outside of pneumatic cylinder main part, and be connected with the second limiting plate on the piston rod, the second spout has been seted up to the symmetry on the piston rod simultaneously.

Preferably, a buffer plate is arranged at the bottom of the first limiting plate and is connected with the bottom of the first limiting plate through a spring;

through adopting above-mentioned technical scheme, be convenient for play the effect of buffering when first limiting plate and second limiting plate and contact to be convenient for protect first limiting plate and second limiting plate.

Preferably, one side of the first limiting plate, which is far away from the hydraulic cylinder main body, is in sliding connection with the second chute, and one side of the second limiting plate, which is far away from the piston rod, is in sliding connection with the first chute;

through adopting above-mentioned technical scheme, be convenient for strengthen the relation of connection of pneumatic cylinder main part and piston rod to be convenient for prevent that the piston rod from unexpected rush out of pneumatic cylinder main part, and then be convenient for improve the stability of device.

Preferably, the dustproof mechanism comprises arc-shaped limiting blocks, a locking assembly and cleaning sponge, the arc-shaped limiting blocks are connected through the locking assembly, the cleaning sponge is arranged on the inner sides of the arc-shaped limiting blocks, and meanwhile one side, far away from the arc-shaped limiting blocks, of the cleaning sponge is in contact with the piston rod;

through adopting above-mentioned technical scheme, be convenient for improve the dustproof performance of device.

Preferably, the arc-shaped limiting blocks surround into a circle, and are connected with the hydraulic cylinder main body through connecting pieces;

through adopting above-mentioned technical scheme, be convenient for make the surface of clean sponge laminating piston rod to be convenient for improve the cleaning quality.

Compared with the prior art, the beneficial effects of the utility model are that: the stable hydraulic cylinder is characterized in that the stable hydraulic cylinder,

(1) the first limiting plate and the second limiting plate are arranged, the extending length of the piston rod can be limited, so that the piston rod can be prevented from being accidentally buffered from the hydraulic cylinder main body in the use process, the internal structure of the device can be optimized, the stability of the device can be improved, and meanwhile, the spring and the buffer plate are arranged, so that the impact generated when the first limiting plate and the second limiting plate are contacted is reduced, and the piston rod is protected conveniently;

(2) the cleaning sponge is arranged, and the cleaning sponge can wipe dust stained on the outer surface of the piston rod when the piston rod extends out of the cylinder barrel, so that the dust is prevented from entering the device to pollute hydraulic oil and internal components, and the device is protected.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the dustproof mechanism of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the hydraulic cylinder comprises a hydraulic cylinder main body, 2, a lower lug ring, 3, a first oil port, 4, a piston head, 5, a piston rod, 6, a first limiting plate, 7, a first sliding groove, 8, an upper lug ring, 9, a second oil port, 10, a second sliding groove, 11, a second limiting plate, 12, a spring, 13, a buffer plate, 14, a dustproof mechanism, 1401, an arc limiting block, 1402, a locking assembly, 1403 and a cleaning sponge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a stable hydraulic cylinder is disclosed, as shown in fig. 1 and fig. 2, the bottom of a hydraulic cylinder body 1 is connected with a lower ear ring 2, one side of the hydraulic cylinder body 1 is provided with a first oil port 3 and a second oil port 9, the first oil port 3 and the second oil port 9 are respectively used for the inlet and outlet of hydraulic oil, meanwhile, the top of the hydraulic cylinder body 1 is connected with a dustproof mechanism 14, the dustproof mechanism 14 comprises arc-shaped limit blocks 1401, a locking component 1402 and a cleaning sponge 1403, the arc-shaped limit blocks 1401 are connected with each other through the locking component 1402, the cleaning sponge 1403 is arranged on the inner side of the arc-shaped limit blocks 1401, one side of the cleaning sponge 1403 far away from the arc-shaped limit blocks 1401 is contacted with a piston rod 5, the cleaning sponge 1403 is convenient for cleaning dust stained on the piston rod 5, thereby preventing the dust from polluting the inside of the hydraulic cylinder body 1, the arc-shaped limit blocks 1401 surround into a circle, and the arc-shaped limit blocks 1401 are connected with the hydraulic cylinder body 1 through a connecting piece, when cleaning sponge 1403 needs to be renewed, staff can dismantle arc-shaped limiting block 1401 by detaching connecting piece and locking assembly 1402, so that cleaning sponge 1403 can be renewed, and the detaching process is simple.

As shown in fig. 1 and 3, the inner side wall of the hydraulic cylinder body 1 is symmetrically provided with first sliding grooves 7, the top end of each first sliding groove 7 is provided with a first limiting plate 6, the outer side wall of each first limiting plate 6 is fixedly connected with the inner wall of the hydraulic cylinder body 1, the bottom of each first limiting plate 6 is provided with a buffer plate 13, the buffer plates 13 are connected with the bottom of the first limiting plate 6 through springs 12, the springs 12 can extrude the buffer plates 13 to contract at the second limiting plate 11, so that the impact of the second limiting plate 11 on the first limiting plates 6 can be reduced, the second limiting plates 11 and the first limiting plates 6 can be protected, the service life of the piston rod 5 can be prolonged, the piston rod 5 is arranged inside the hydraulic cylinder body 1, one end of the piston rod 5 is connected with the piston head 4, the other end of the piston rod 5 is connected with an upper ear ring 8, the upper ear ring 8 is arranged outside the hydraulic cylinder body 1, and be connected with second limiting plate 11 on the piston rod 5, the symmetry has seted up second spout 10 on the piston rod 5 simultaneously, and one side and the second spout 10 sliding connection of pneumatic cylinder main part 1 are kept away from to first limiting plate 6, and one side and the first spout 7 sliding connection of piston rod 5 are kept away from to second limiting plate 11, are convenient for inseparable being connected between pneumatic cylinder main part 1 and the piston rod 5, and then are convenient for make the operation of piston rod 5 more stable.

The working principle is as follows: when the stable hydraulic cylinder is used, firstly, the device is connected with equipment by using the upper lug ring 8 and the lower lug ring 2, the first oil port 3 and the second oil port 9 are connected with oil supply equipment, under the action of the external oil supply device, hydraulic oil entering from the first oil port 3 pushes the piston rod 5 and the second limiting plate 11 to move up and down in the hydraulic cylinder main body 1 through the piston head 4, the second limiting plate 11 and the first limiting plate 6 are convenient for preventing the piston rod 5 from accidentally coming out of the hydraulic cylinder main body 1 when extending, the cleaning sponge 1403 can wipe dust stained on the surface of the piston rod 5 when extending out of the hydraulic cylinder main body 1, so that the dust is prevented from entering the hydraulic cylinder main body 1 along with the piston rod 5, and the whole work is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a stable form pneumatic cylinder, includes pneumatic cylinder main part (1) and piston rod (5), its characterized in that:

the bottom of the hydraulic cylinder main body (1) is connected with a lower lug ring (2), one side of the hydraulic cylinder main body (1) is provided with a first oil port (3) and a second oil port (9), the top of the hydraulic cylinder main body (1) is connected with a dustproof mechanism (14), the inner side wall of the hydraulic cylinder main body (1) is symmetrically provided with first sliding chutes (7), the top ends of the first sliding chutes (7) are provided with first limiting plates (6), and the outer side walls of the first limiting plates (6) are fixedly connected with the inner wall of the hydraulic cylinder main body (1);

piston rod (5) set up in the inside of pneumatic cylinder main part (1), and the one end and the piston head (4) of piston rod (5) are connected, and the other end and last earrings (8) of piston rod (5) are connected simultaneously, go up earrings (8) and set up in the outside of pneumatic cylinder main part (1), and be connected with second limiting plate (11) on piston rod (5), second spout (10) have been seted up to the symmetry on piston rod (5) simultaneously.

2. A stabilized hydraulic cylinder according to claim 1, wherein: the bottom of first limiting plate (6) is provided with buffer board (13), and buffer board (13) are connected with the bottom of first limiting plate (6) through spring (12).

3. A stabilized hydraulic cylinder according to claim 1, wherein: one side of the first limiting plate (6), which is far away from the hydraulic cylinder main body (1), is in sliding connection with the second sliding groove (10), and one side of the second limiting plate (11), which is far away from the piston rod (5), is in sliding connection with the first sliding groove (7).

4. A stabilized hydraulic cylinder according to claim 1, wherein: dustproof mechanism (14) include arc stopper (1401), locking subassembly (1402) and clean sponge (1403), connect through locking subassembly (1402) between arc stopper (1401), and the inboard of arc stopper (1401) is provided with clean sponge (1403), and the one side that arc stopper (1401) were kept away from to clean sponge (1403) simultaneously contacts with piston rod (5).

5. A stabilized hydraulic cylinder according to claim 4, wherein: the arc-shaped limiting blocks (1401) are encircled to form a circle, and the arc-shaped limiting blocks (1401) are connected with the hydraulic cylinder main body (1) through connecting pieces.