CN215861067U

CN215861067U - Dustproof limiter of hydraulic cylinder

Info

Publication number: CN215861067U
Application number: CN202121889289.9U
Authority: CN
Inventors: 孙守昌; 吴成岩; 王俊伟
Original assignee: China Energy Conservation Tancheng Environmental Protection Energy Co ltd
Current assignee: China Energy Conservation Tancheng Environmental Protection Energy Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-18
Anticipated expiration: 2031-08-13

Abstract

The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder dustproof limiter, which solves the defects that a hydraulic cylinder limiting device cannot be quickly adjusted according to the requirement of the extending length of a hydraulic cylinder, and the limiting device is adhered with oil and dust in the environment due to long-time use, so that the normal use of the limiting device is influenced, and comprises a hydraulic cylinder, wherein a sleeve is sleeved on the outer surface of the hydraulic cylinder, a slide rail is welded at the top of the sleeve, a fixture block is clamped in the slide rail, a contact piece is welded at one side of the fixture block, a connecting strip is welded at the top of the fixture block, a lantern ring is welded at one end of the connecting strip, a clamping shaft is clamped at one side of the slide rail, a limiting pin is clamped at one end of the clamping shaft, cutting sleeves are welded at the two side ends of the slide rail, a plug board is clamped in the cutting sleeves, a baffle is welded at the top end of the plug board, the device can change the contact position of the limiting device according to the extending length of the hydraulic cylinder according to the use requirement of the hydraulic cylinder, the effect of effective spacing at different extension lengths is achieved.

Description

Dustproof limiter of hydraulic cylinder

Technical Field

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

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion or swinging motion, has simple structure and reliable work, can omit a speed reducer when the hydraulic cylinder is used for realizing reciprocating motion, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston.

The stroke of pneumatic cylinder is generally determined by travel switch and the design extension length itself, can't be according to the use actual demand, stretches out length at the regulation and carries out the quick stop, and current stopper can't change spacing locking position, leads to unable pneumatic cylinder extension length to set for, and the installation environment dust of pneumatic cylinder is more simultaneously to there is certain greasy dirt, long-time the use can lead to dust and fatlute in the equipment track to condense, makes the pneumatic cylinder stretch out the difficulty, and stop device card dies.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a hydraulic cylinder limiting device cannot be quickly adjusted according to the requirement of the extension length of a hydraulic cylinder, and the normal use of the hydraulic cylinder is affected due to the attachment of oil and dust in the environment caused by the long-term use of the limiting device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

pneumatic cylinder stopper that prevents dust, including the pneumatic cylinder, the pneumatic cylinder surface has cup jointed the sleeve pipe, the welding of sleeve pipe top has the slide rail, the slide rail inside callipers is equipped with the fixture block, the welding of fixture block one side has the contact piece, and the welding of fixture block top has the connecting strip, the welding of connecting strip one end has the lantern ring, and slide rail one side card is equipped with the card axle, card axle one end card is equipped with the spacer pin, and the welding of slide rail both sides tip has the cutting ferrule, the cutting ferrule inside callipers is equipped with the picture peg, the welding of picture peg top has the baffle.

Preferably, the lantern ring is sleeved outside the end part of the telescopic end of the hydraulic cylinder.

Preferably, one end of the clamping shaft is of a square structure, the other end of the clamping shaft is of a cylindrical structure, and the side face of the sliding rail is provided with a jack matched with the sliding rail.

Preferably, one end of the clamping shaft penetrates through and extends to the outside of one side of the sliding rail, and a round hole matched with the limiting pin is formed in the surface of the clamping shaft.

Preferably, the bottom of the fixture block is provided with a slide block matched with the inside of the slide rail, the vertical section of the contact piece is arc-shaped, and one side of the fixture block is provided with an arc groove matched with the fixture block.

Preferably, the vertical section of the baffle is triangular and is positioned on the outer side of the top of the sliding rail.

The utility model has the beneficial effects that:

1. the device can change the contact position of the limiter according to the extension length of the hydraulic cylinder according to the use requirement of the hydraulic cylinder, thereby achieving the effect of effective limiting at different extension lengths;

2. this pneumatic cylinder stopper effectively shelters from its slide rail, prevents that greasy dirt and dust among the service environment from being attached to inside the slide rail, increases the ejecting burden of pneumatic cylinder, leads to the card of fixture block in the slide rail to die even.

Drawings

FIG. 1 is a schematic structural view of a hydraulic cylinder dust-proof stop according to the present invention;

FIG. 2 is a schematic diagram of a partial top view of the hydraulic cylinder dust-proof stop according to the present invention;

fig. 3 is a schematic partial side view of the hydraulic cylinder dust-proof stopper according to the present invention.

In the figure: 1. a hydraulic cylinder; 2. a sleeve; 3. a slide rail; 4. a clamping block; 5. a contact piece; 6. a connecting strip; 7. a collar; 8. clamping a shaft; 9. a spacing pin; 10. a card sleeve; 11. inserting plates; 12. and a baffle plate.

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, the dustproof stopper of pneumatic cylinder, including pneumatic cylinder 1, sleeve pipe 2 has been cup jointed to pneumatic cylinder 1 surface, the welding of 2 tops of sleeve pipe has

slide rail

3, 3 inside callipers of slide rail are equipped with

fixture block

4, 4 welding of one side of fixture block have

contact piece

5, 4 welding of tops of fixture block have connecting

strip

6, 6 welding of one end of connecting strip have lantern ring 7, 3 one side callipers of slide rail are equipped with

card axle

8, 8 one end callipers of card axle are equipped with

spacer pin

9, 3 both sides tip welding of slide rail have cutting ferrule 10, the cutting ferrule 10 inside callipers are equipped with picture peg 11, the welding of 11 tops of picture peg has baffle 12.

The lantern ring 7 cup joints in the flexible end tip outside of

pneumatic cylinder

1, 8 one ends of card axle are square structure, the other end is the cylinder structure, slide rail 3 side is seted up rather than complex jack, 8 one ends of card axle run through and extend to one side of slide rail 3 outside, its surface set up with spacer pin 9 complex round hole, 4 bottoms of fixture block set up with 3 inside complex sliders of slide rail, 5 vertical cross-sections of contact piece are arc, 4 one sides of fixture block set up rather than complex arc groove, 12 vertical cross-sections of baffle are triangle-shaped, be located the top outside of slide rail 3.

In the embodiment, the whole stopper is sleeved outside the hydraulic cylinder 1 through the sleeve 2, the fixing position of the sleeve 2 on the outer surface of the hydraulic cylinder 1 can be changed according to actual use requirements, after the stopper is fixed, the sleeve ring 7 is sleeved outside the telescopic end of the hydraulic cylinder 1, one end of the connecting strip 6 is welded with the top of the sleeve ring 7, the bottom of the other end is welded with the fixture block 4, the fixture block 4 is clamped in the slide rail 3 at the top of the sleeve 2, when the hydraulic cylinder 1 is telescopic, the sleeve ring 7 is driven to move back and forth, the fixture block 4 slides back and forth in the slide rail 3 under the action of the connecting strip 6, the jack matched with the clamping shaft 8 is arranged outside the slide rail 3, after the clamping shaft 8 is inserted into the proper jack according to use requirements, the tail end of the clamping shaft 8 extends out of one side of the slide rail 3, the limiting pin 9 is inserted into the circular hole at the tail part of the clamping shaft 8, the clamping shaft 8 is prevented from being separated, the head end of the clamping shaft 8 is square, and is convenient to be positioned, the plug can be prevented from rotating in the jack after being inserted, and the tail end of the plug is cylindrical, so that the plug is convenient to use.

Further, the circular arc mounting groove has been seted up in the inboard of fixture block 4, its inside welding contact piece 5, when pneumatic cylinder 1 stretches out, fixture block 4 antedisplacement under the drive of connecting strip 6, at this moment contact piece 5 can with the 8 surface contact of card axle, produce the signal of telecommunication, make pneumatic cylinder 1 stop work, make it stretch out the length locking, reach spacing effect, card axle 8 also plays the spacing effect of rigidity, effectively reduce the error that pneumatic cylinder 1 stretches out length, cutting ferrule 10 has been welded respectively to the front and back end at 3 both sides of slide rail, baffle 12 bottom inboard welded picture peg 11 blocks and establishes into cutting ferrule 10 in, play effectively sheltering from to slide rail 3, prevent that fatlute and dust from piling up, lead to the inside card of stop device to die.

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

1. Pneumatic cylinder stopper that prevents dust, including pneumatic cylinder (1), its characterized in that, sleeve pipe (2) have been cup jointed to pneumatic cylinder (1) surface, the welding of sleeve pipe (2) top has slide rail (3), slide rail (3) inside callipers is equipped with fixture block (4), the welding of fixture block (4) one side has contact piece (5), and the welding of fixture block (4) top has connecting strip (6), the welding of connecting strip (6) one end has the lantern ring (7), and slide rail (3) one side card is equipped with card axle (8), card axle (8) one end card is equipped with spacer pin (9), and the welding of slide rail (3) both sides tip has cutting ferrule (10), cutting ferrule (10) inside callipers is equipped with picture peg (11), the welding of picture peg (11) top has baffle (12).

2. The hydraulic cylinder dustproof limiter according to claim 1, wherein the collar (7) is sleeved outside the end part of the telescopic end of the hydraulic cylinder (1).

3. The hydraulic cylinder dustproof limiter according to claim 1, wherein one end of the clamping shaft (8) is of a square structure, the other end of the clamping shaft is of a cylindrical structure, and a jack matched with the side surface of the sliding rail (3) is formed in the side surface of the sliding rail.

4. The hydraulic cylinder dustproof limiter according to claim 1, wherein one end of the clamping shaft (8) penetrates through and extends to the outside of one side of the sliding rail (3), and a circular hole matched with the limiting pin (9) is formed in the surface of the clamping shaft.

5. The hydraulic cylinder dustproof limiter according to claim 1, wherein the bottom of the fixture block (4) is provided with a slide block which is matched with the inside of the slide rail (3), the vertical section of the contact piece (5) is arc-shaped, and one side of the fixture block (4) is provided with an arc groove which is matched with the fixture block.

6. Hydraulic cylinder dust stop according to claim 1, characterized in that the vertical cross-section of the stop plate (12) is triangular and is located outside the top of the slide rail (3).