CN214171001U

CN214171001U - Buffer hydraulic cylinder

Info

Publication number: CN214171001U
Application number: CN202023064577.9U
Authority: CN
Inventors: 刘巨星
Original assignee: Dongguan Xingya Hydraulic Machinery Co ltd
Current assignee: Dongguan Xingya Hydraulic Machinery Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-10
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a pneumatic cylinder with buffering relates to pneumatic cylinder technical field, the utility model discloses a pedestal, connecting device, go up buffer, lower buffer and telescoping device, the pedestal includes base and connecting seat, and base and connecting seat are rectangle platelike structure, and connecting device includes connecting screw, buffer spring and hydraulic pressure section of thick bamboo, and the base passes through a plurality of connecting screw with the connecting seat to be connected, and a plurality of buffer spring all set up between base and connecting seat. The utility model relates to a buffer hydraulic cylinder has, go up buffer board and damping spring, when piston work goes up and down, cushion the protection to the piston, the sealing washer plays the effect of sealed hydraulic cylinder internal arrangement and part, blotter, rubber pad and leather packing all protect the buffering to the device is inside, reduce the during operation to the wearing and tearing of part and the impact of coming the telescopic link, damping spring plays the effect of buffering and protection hydraulic cylinder when installing on other devices.

Description

Buffer hydraulic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field, in particular to have buffering pneumatic cylinder.

Background

The hydraulic cylinder is a very important driving device in the mechanical industry, converts hydraulic energy into mechanical energy, drives other devices to make corresponding motion, can make linear motion and also can make reciprocating motion, and is very widely applied in production and life due to stable, convenient and fast motion.

The hydraulic cylinder is widely applied, but in the working process, the hydraulic cylinder is likely to cause damage to the cylinder body due to the movement of the piston rod, the service life of the hydraulic cylinder is shortened, and the cylinder body is also likely to be damaged due to external force.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a pneumatic cylinder has buffering, can effectively solve the problem of pneumatic cylinder buffering among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a buffer hydraulic cylinder comprises a seat body, a connecting device, an upper buffer device, a lower buffer device and a telescopic device, wherein the seat body comprises a base and a connecting seat, the base and the connecting seat are of rectangular plate-shaped structures, the connecting device comprises connecting screws, buffer springs and a hydraulic cylinder, the base is connected with the connecting seat through the connecting screws, the buffer springs are all arranged between the base and the connecting seat, the lower surface of the hydraulic cylinder is welded with the upper surface of the connecting seat, the hydraulic cylinder is a cylinder with a cavity inside, the upper buffer device comprises a fixed column, a sealing ring, an upper buffer plate and a damping spring, the upper surface of the fixed column is welded with the upper surface inside the hydraulic cylinder, the inner surface of the sealing ring is connected with the outer surface of the fixed column, the upper surface of the upper buffer plate is welded with the lower surface of the fixed column, and the lower surface of the sealing ring is connected with the upper surface of the upper buffer plate, damping spring one end is connected with last buffer board lower surface, buffer includes the bottom plate, slows down spring and buffer cylinder down, the bottom plate lower surface is connected with the spring one end that slows down, slow down the spring other end and be connected with the inside lower surface of hydraulic cylinder down, buffer cylinder lower surface and the inside lower surface welding of hydraulic cylinder, slow spring mounting is in the buffer cylinder down, telescoping device includes telescopic link and piston, the hydraulic cylinder upper surface is equipped with a slide opening, telescopic link and slide opening sliding fit, piston upper surface and telescopic link one end welding, wherein connecting screw and buffer spring's number is two, connecting screw connection unable adjustment base and connecting seat, buffer spring is fixed in the installation and during operation, cushions the impact force that comes from the hydraulic cylinder.

Preferably, the pedestal still includes the blotter, the blotter upper surface is connected with the base lower surface, and the blotter plays the effect of buffering and protection base, and the base is connected with other devices conveniently.

Preferably, the connecting device further comprises a plurality of mounting cylinders, the lower surfaces of the mounting cylinders are welded with the upper surface of the connecting seat, the connecting screws are respectively mounted in the mounting cylinders, the number of the mounting cylinders is two, the mounting cylinders are fixedly connected with the connecting screws, and the hydraulic cylinder is responsible for mounting a plurality of parts.

Preferably, go up buffer and still include the baffle, the baffle upper surface is connected with the damping spring other end, and the fixed column is fixed the position of buffer board, and the sealing washer seals interior arrangement, and damping spring buffering during operation impact force.

Preferably, lower buffer still includes the rubber pad, the rubber pad sets up in the bottom plate upper surface, and the bottom plate is protected in the rubber pad buffering, and the position of buffering spring under the buffering spring buffering comes from the impact of bottom plate, buffer cylinder installation fixed.

Preferably, the telescoping device still includes the leather packing, the leather packing upper surface is connected with the piston lower surface, and the piston is protected to the leather packing, reduces piston wear, and the piston drives the telescopic link motion.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through setting up buffer board and damping spring, when piston work goes on going up and down, cushion the protection to the piston.

2. The utility model discloses in, through setting up the sealing washer, the sealing washer plays the effect of sealed hydraulic cylinder internal arrangement and part.

3. The utility model discloses in, through setting up blotter, rubber pad and leather packing, all protect the buffering to device inside, reduce the during operation to the wearing and tearing of part and the impact of coming the telescopic link.

4. The utility model discloses in, through setting up buffer spring, play the effect of buffering and protection pneumatic cylinder when installing on other devices.

5. The utility model discloses in, through setting up down slow spring, slow spring protects piston and telescopic link down when the piston downstream, reduces the rigid impact that it received.

Drawings

Fig. 1 is a schematic view of an external overall structure with a cushion hydraulic cylinder according to the present invention;

fig. 2 is a schematic view of an external top view structure with a cushion cylinder according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic cross-sectional view taken along line B-B of fig. 2 according to the present invention.

In the figure: 100. a base body; 110. a base; 120. a cushion pad; 130. a connecting seat; 200. a connecting device; 210. a connecting screw; 220. a buffer spring; 230. mounting the cylinder; 240. a hydraulic cylinder; 300. an upper buffer device; 310. fixing a column; 320. a seal ring; 330. an upper buffer plate; 340. a damping spring; 350. a baffle plate; 400. a lower buffer device; 410. a rubber pad; 420. a base plate; 430. a lower slow spring; 440. a buffer cylinder; 500. a telescoping device; 510. a telescopic rod; 520. a piston; 530. a leather pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention relates to a hydraulic cylinder with buffer, including a base body 100, a connecting device 200, an upper buffer 300, a lower buffer 400 and a telescopic device 500, wherein the base body 100 includes a base 110 and a connecting seat 130, the base 110 and the connecting seat 130 are both rectangular plate structures, the connecting device 200 includes a connecting screw 210, a buffer spring 220 and a hydraulic cylinder 240, the base 110 is connected with the connecting seat 130 through a plurality of connecting screws 210, the buffer springs 220 are all disposed between the base 110 and the connecting seat 130, a lower surface of the hydraulic cylinder 240 is welded with an upper surface of the connecting seat 130, the hydraulic cylinder 240 is a cylinder with a cavity inside, the upper buffer 300 includes a fixed column 310, a sealing ring 320, an upper buffer plate 330 and a damping spring 340, an upper surface of the fixed column 310 is welded with an upper surface inside the hydraulic cylinder 240, an inner surface of the sealing ring 320 is connected with an outer surface of the fixed column 310, the upper surface of the upper buffer plate 330 is welded with the lower surface of the fixed column 310, the lower surface of the sealing ring 320 is connected with the upper surface of the upper buffer plate 330, one end of the damping spring 340 is connected with the lower surface of the upper buffer plate 330, the lower buffer device 400 comprises a bottom plate 420, a lower buffer spring 430 and a buffer cylinder 440, the lower surface of the bottom plate 420 is connected with one end of the lower buffer spring 430, the other end of the lower buffer spring 430 is connected with the inner lower surface of the hydraulic cylinder 240, the lower surface of the buffer cylinder 440 is welded with the inner lower surface of the hydraulic cylinder 240, the lower buffer spring 430 is installed in the buffer cylinder 440, the expansion device 500 comprises an expansion link 510 and a piston 520, the upper surface of the hydraulic cylinder 240 is provided with a sliding hole, the expansion link 510 is in sliding fit with the sliding hole, the upper surface of the piston 520 is welded with one end of the expansion link 510, wherein the number of the connecting screws 210 and the buffer springs 220 is two, the connecting screws 210 are connected with the fixed base 110 and the connecting seat 130, when the buffer springs are installed, fixed and work, buffering the impact force from the hydraulic cylinder 240.

Referring to fig. 1, the base 100 further includes a cushion pad 120, an upper surface of the cushion pad 120 is connected to a lower surface of the base 110, the cushion pad 120 plays a role of buffering and protecting the base 110, and the base 110 is conveniently connected to other devices.

Referring to fig. 1, the connecting device 200 further includes a plurality of mounting cylinders 230, the lower surfaces of the mounting cylinders 230 are welded to the upper surface of the connecting seat 130, and the plurality of connecting screws 210 are respectively mounted in the plurality of mounting cylinders 230, wherein the number of the mounting cylinders 230 is two, the mounting cylinders 230 are fixedly connected to the connecting screws 210, and the hydraulic cylinder 240 is responsible for mounting a plurality of parts.

Referring to fig. 3, the upper buffering device 300 further includes a baffle 350, an upper surface of the baffle 350 is connected to the other end of the damping spring 340, the fixing post 310 fixes the position of the upper buffering plate 330, the sealing ring 320 seals the inner device, and the damping spring 340 buffers the impact force during operation.

Referring to fig. 3, the lower buffering device 400 further includes a rubber pad 410, the rubber pad 410 is disposed on the upper surface of the bottom plate 420, the rubber pad 410 buffers and protects the bottom plate 420, the lower buffering spring 430 buffers the impact from the bottom plate 420, and the buffering cylinder 440 is installed and fixed at the position of the lower buffering spring 430.

Referring to fig. 1-3, the telescopic device 500 further includes a leather pad 530, an upper surface of the leather pad 530 is connected to a lower surface of the piston 520, the leather pad 530 protects the piston 520, abrasion of the piston 520 is reduced, and the piston 520 drives the telescopic rod 510 to move.

The utility model discloses a theory of operation does:

please refer to fig. 1-4, the utility model relates to a buffer hydraulic cylinder has, when the pneumatic cylinder is worked, telescopic link 510 up-and-down motion, the piston 520 up-and-down motion of being connected with telescopic link 510, piston 520 sets up in hydraulic cylinder 240, hydraulic cylinder 240 below is equipped with down slow spring 430 and bottom plate 420, bottom plate 420 top is equipped with rubber pad 410, lower slow spring 430 and rubber pad 410 all play the effect of buffer protection piston 520, hydraulic cylinder 240 top is equipped with damping spring 340, when piston 520 upward movement, play the effect of buffer protection, fixed column 310 plays the effect of installation fixed, sealing washer 320 plays sealing device's effect, connecting seat 130 and the setting buffer spring 220 between base 110 and connecting seat 130 with hydraulic cylinder 240 lower surface connection, when being connected with other devices and pneumatic cylinder is worked, buffer protection and pneumatic cylinder.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a have buffering pneumatic cylinder, includes pedestal (100), connecting device (200), goes up buffer (300), lower buffer (400) and telescoping device (500), its characterized in that: the base body (100) comprises a base (110) and a connecting seat (130), the base (110) and the connecting seat (130) are both of a rectangular plate-shaped structure, the connecting device (200) comprises connecting screws (210), buffer springs (220) and a hydraulic cylinder (240), the base (110) is connected with the connecting seat (130) through a plurality of connecting screws (210), the buffer springs (220) are arranged between the base (110) and the connecting seat (130), the lower surface of the hydraulic cylinder (240) is welded with the upper surface of the connecting seat (130), the hydraulic cylinder (240) is a cylinder with a cavity inside, the upper buffer device (300) comprises a fixing column (310), a sealing ring (320), an upper buffer plate (330) and a damping spring (340), the upper surface of the fixing column (310) is welded with the upper surface inside the hydraulic cylinder (240), the inner surface of the sealing ring (320) is connected with the outer surface of the fixing column (310), the upper surface of the upper buffer plate (330) is welded with the lower surface of the fixed column (310), the lower surface of the sealing ring (320) is connected with the upper surface of the upper buffer plate (330), one end of the damping spring (340) is connected with the lower surface of the upper buffer plate (330), the lower buffer device (400) comprises a bottom plate (420), a lower buffering spring (430) and a buffer cylinder (440), the lower surface of the bottom plate (420) is connected with one end of the lower buffering spring (430), the other end of the lower buffering spring (430) is connected with the lower surface inside the hydraulic cylinder (240), the lower surface of the buffer cylinder (440) is welded with the lower surface inside the hydraulic cylinder (240), the lower buffering spring (430) is installed in the buffer cylinder (440), the expansion device (500) comprises an expansion link (510) and a piston (520), the upper surface of the hydraulic cylinder (240) is provided with a sliding hole, and the expansion link (510) is in sliding fit with the sliding hole, the upper surface of the piston (520) is welded with one end of the telescopic rod (510).

2. The damping cylinder as claimed in claim 1, wherein: the seat body (100) further comprises a cushion pad (120), and the upper surface of the cushion pad (120) is connected with the lower surface of the base (110).

3. The damping cylinder as claimed in claim 1, wherein: the connecting device (200) further comprises a plurality of mounting cylinders (230), the lower surfaces of the mounting cylinders (230) are welded with the upper surface of the connecting seat (130), and the connecting screws (210) are respectively mounted in the mounting cylinders (230).

4. The damping cylinder as claimed in claim 1, wherein: the upper buffering device (300) further comprises a baffle (350), and the upper surface of the baffle (350) is connected with the other end of the damping spring (340).

5. The damping cylinder as claimed in claim 1, wherein: the lower buffer device (400) further comprises a rubber pad (410), and the rubber pad (410) is arranged on the upper surface of the bottom plate (420).

6. The damping cylinder as claimed in claim 1, wherein: the telescopic device (500) further comprises a leather pad (530), and the upper surface of the leather pad (530) is connected with the lower surface of the piston (520).