Buffering and limiting structure of air cylinder
By designing a cylinder buffer limit structure, the elastic restoring force of the buffer and protective components is used to buffer the cylinder push rod, which solves the problem of cylinder damage during extension and retraction, and provides protection upon contact, thereby extending the service life of the device and improving its practicality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-30
- Publication Date
- 2026-04-10
AI Technical Summary
The existing device cannot buffer internal components when the cylinder extends or retracts, and it cannot protect the contact surface between the cylinder and the outside world when the cylinder is working, which makes the device easy to damage and reduces its service life.
A cylinder buffer limiting structure was designed. Through the cooperation of the buffer component and the protective component, the elastic restoring force of the spring and the damping rod is used to buffer the force of the cylinder push rod. When in contact, the protective head retracts and the slider slides to protect against deformation.
This achieves a buffering effect on the cylinder, improves the service life and protection effect of the device, enhances the protection effect of the device, prevents damage and deformation during use, extends the service life of the device, and improves its practicality.
Smart Images
Figure CN224102432U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of cylinder buffer, concretely is a kind of cylinder buffer limiting structure. BACKGROUND
[0002] With the continuous development of mechanical processing industry, it is common to process parts using numerical control machine tool or semi-automatic drilling machine, and the cutting work of parts on numerical control machine tool is controlled by cylinder, but when large parts are often needed to be processed, due to the large size and heavy weight of workpiece, a large impact force will be generated when rebounding, which can easily cause damage to the cylinder.
[0003] Most of the existing devices cannot buffer the internal parts when the cylinder is extended or retracted, which increases the probability of damage to the device during use, thereby increasing the service life of the device. Moreover, most of the existing devices cannot protect the contact surface between the cylinder and the outside environment when the cylinder is working. The contact surface may be deformed due to repeated impact and contact in daily life, thereby reducing the protection effect of the device itself and reducing the practicality of the device. INVENTION CONTENTS
[0004] To solve the above technical problems, the utility model provides a cylinder buffer limiting structure to solve the problems that the internal parts cannot be buffered when the cylinder is extended or retracted and the contact surface between the cylinder and the outside environment cannot be protected when the cylinder is working in the prior art.
[0005] A cylinder buffer limiting structure includes a cylinder main body, a base fixedly installed at the bottom of the cylinder main body, a fixed bolt fixedly inserted at each corner inside the base and penetrating the inside of the base, a gas hole opened at the inside bottom of one side of the cylinder main body, a sliding groove symmetrically opened at both sides of the inside of the cylinder main body, a sliding block slidingly connected inside the sliding groove, a cylinder push rod installed at the top of the sliding block and extending to the outside of the cylinder main body, a pushing head fixedly installed at the top of the cylinder push rod, a protection assembly installed at the middle position inside the pushing head, an auxiliary buffer assembly symmetrically fixedly installed at the top of both sides of the outside of the cylinder main body, and a buffer assembly installed at the inside bottom of the cylinder main body.
[0006] Preferably, a sliding rod is inserted inside the auxiliary buffer assembly and penetrates the inside of the auxiliary buffer assembly, the top of the sliding rod is fixedly connected with both sides of the bottom of the pushing head, a first spring is sleeved at the bottom of the outside of the sliding rod, and the two ends of the first spring are respectively abutted with the auxiliary buffer assembly and the first spring.
[0007] Preferably, the four corners of the inner bottom of the protection assembly are fixedly provided with first damping rods, the top of the first damping rod is fixedly provided with a protection head, the protection head extends to the outside of the pushing head, a sliding groove is formed in the middle of the inner bottom of the protection head, two sliding blocks are symmetrically and slidably connected in the sliding groove, two sets of hinged rods are symmetrically hinged in the middle of the inner bottom of the protection assembly, the two ends of the two sets of hinged rods away from the protection assembly are hingedly connected with the two sets of sliding blocks, respectively, two sets of mounting seats are fixedly arranged in the middle of the two sides of the inner bottom of the protection assembly, two sets of buffer slots are symmetrically and fixedly arranged on the sides of the two sets of mounting seats, a buffer rod is slidably connected in the buffer slot, and a third spring is arranged in the buffer slot and abuts against the buffer slot and the buffer rod.
[0008] Preferably, the four corners of the top of the buffer assembly are fixedly provided with second damping rods, the top of the second damping rod is fixedly provided with a mounting seat, the outer side of the second damping rod is sleeved with a fourth spring, and the two ends of the fourth spring abut against the buffer assembly and the mounting seat, respectively, and the top of the mounting seat is fixedly provided with a buffer stopper, and the buffer stopper corresponds to the sliding block.
[0009] Preferably, the bottom of the sliding rod is fixedly provided with a baffle, and the baffle abuts against the first spring.
[0010] Preferably, the mounting seat is in a triangular structure, and the end of the buffer rod close to the hinged rod is in a mutual adhering mode with the hinged rod.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、The utility model discloses a buffer stopper is pressed by the force of recycling, makes the buffer stopper drive second damping rod and fourth spring and compresses, utilizes the mutual cooperation of second damping rod and fourth spring to buffer the force of the falling of cylinder push rod, places the device and improves the service life of the device when using the force that the device receives and occurs damage.
[0013] 2、The utility model discloses a protection head is driven to contract to the inside of pushing head by gravity, when the protection head contracts, simultaneously drive first damping rod and second spring and compress, then also drive sliding block and slide in the inside of sliding groove, make hinged rod separate drive buffer rod and compress third spring, then utilize the elastic restoring force of second spring and first damping rod to buffer the force of first time contact, prevent the deformation of pushing head by the multiple impact contact of daily life, not only improve the effect of device protection itself, further improve the practicality of device. ACCURACY OF DRAWINGS
[0014] Figure 1 It is the front view structure schematic diagram of the utility model;
[0015] Figure 2 It is the front view structural schematic diagram of the utility model;
[0016] Figure 3 It is the front view structural schematic diagram of the utility model; Figure 1 It is the A place enlarged structural schematic diagram of the utility model;
[0017] Figure 4 It is the front view structural schematic diagram of the utility model; Figure 1 It is the B place enlarged structural schematic diagram of the utility model.
[0018] In the drawing: 1, cylinder main body;10, fixed bolt;11, base;12, air hole;13, sliding groove;14, push head;15, cylinder push rod;16, sliding block;2, auxiliary buffer assembly;20, sliding rod;21, first spring;3, protection assembly;30, protection head;31, first damping rod;32, second spring;33, mounting seat;34, buffer slot;35, third spring;36, buffer rod;37, hinged rod;38, sliding slot;39, sliding block;4, buffer assembly;40, second damping rod;41, mounting seat;42, buffer stopper;43, fourth spring. DETAILED DESCRIPTION
[0019] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0020] As Figures 1 to 4 shown:
[0021] Example one: the utility model provides a cylinder buffer limiting structure, including cylinder main body 1, the bottom fixed mounting of cylinder main body 1 has base 11, and the inside four corners of base 11 are all fixed and are inserted with fixed bolt 10, and fixed bolt 10 penetrates the inside of base 11, and the inside bottom of cylinder main body 1 is provided with air hole 12, and the inside both sides of cylinder main body 1 are provided with sliding groove 13, and sliding groove 13 is slidably connected with sliding block 16, and the top of sliding block 16 is installed with cylinder push rod 15, and cylinder push rod 15 extends to the outside of cylinder main body 1, and the top of cylinder push rod 15 is fixedly installed with push head 14, and push head 14 is installed with protection assembly 3 in the middle position inside, and the top of the both sides of cylinder main body 1 is fixedly installed with auxiliary buffer assembly 2, and the inside bottom of cylinder main body 1 is installed with buffer assembly 4.
[0022] Preferably, the inside of auxiliary buffer assembly 2 is inserted with sliding rod 20, and sliding rod 20 penetrates the inside of auxiliary buffer assembly 2, and the top of sliding rod 20 is fixedly connected with the both sides of the bottom of push head 14, and the bottom of the outside of sliding rod 20 is sleeved with first spring 21, and the both ends of first spring 21 are respectively abutted with auxiliary buffer assembly 2 and first spring 21.
[0023] Preferably, the second damping rod 40 is fixedly installed at the four corners of the top of the buffer assembly 4, the top of the second damping rod 40 is fixedly installed with a mounting seat 41, the outer side of the second damping rod 40 is sleeved with a fourth spring 43, and the two ends of the fourth spring 43 are respectively abutted against the buffer assembly 4 and the mounting seat 41, the top of the mounting seat 41 is fixedly installed with a buffer stopper 42, and the buffer stopper 42 is correspondingly arranged with the sliding block 16.
[0024] Preferably, the bottom of the sliding rod 20 is fixedly installed with a baffle, and the baffle is abutted against the first spring 21. The baffle can not only prevent the first spring 21 from accidentally falling, but also prevent the sliding rod 20 from falling.
[0025] As can be known from the above, in use, the air hole 12 is connected with an air pump in the outside world, and after the connection, air supply is used. When the air cylinder push rod 15 is extended, the sliding rod 20 is driven to compress the first spring 21, so that the air cylinder push rod 15 is more stable during movement. When the air cylinder push rod 15 needs to be recovered, the sliding block 16 is pressed against the buffer stopper 42 by the recovery force, so that the buffer stopper 42 drives the second damping rod 40 and the fourth spring 43 to be compressed. The second damping rod 40 and the fourth spring 43 are matched with each other to buffer the force of the air cylinder push rod 15 falling, so as to prevent the device from being damaged by the force during use, thereby improving the service life of the device.
[0026] In the embodiment, the first damping rod 31 is fixedly installed at the four corners of the inner bottom of the protection assembly 3, the top of the first damping rod 31 is fixedly installed with a protection head 30, the protection head 30 extends to the outside of the push head 14, the inner bottom of the protection head 30 is provided with a sliding groove 38 at the middle position, the two sides of the sliding groove 38 are symmetrically and slidably connected with sliding blocks 39, the inner bottom of the protection assembly 3 is symmetrically hinged with hinge rods 37 at the middle positions of the two sides, the two ends of the two groups of hinge rods 37 away from the protection assembly 3 are respectively hinged with the two groups of sliding blocks 39, the inner bottom of the protection assembly 3 is fixedly installed with mounting seats 33 at the middle positions of the two sides, the two sides of the two groups of mounting seats 33 close to each other are symmetrically fixedly installed with buffer insertion grooves 34, the buffer insertion grooves 34 are slidably connected with buffer rods 36, and the buffer insertion grooves 34 are installed with third springs 35, and the two ends of the third springs 35 are respectively abutted against the buffer insertion grooves 34 and the buffer rods 36.
[0027] Preferably, the mounting seat 33 is in a triangular structure, and the end of the buffer rod 36 close to the hinge rod 37 is in a mutual adhering mode with the hinge rod 37. The triangular structure can effectively make the buffer rod 36 and the hinge rod 37 more adaptive.
[0028] From above, the pushing head 14 contacts the external object during the operation of the device, the protection head 30 is retracted into the pushing head 14 by gravity during the contact, the first damping rod 31 and the second spring 32 are compressed, the sliding block 39 slides in the sliding groove 38, the hinge rod 37 is separated, the buffer rod 36 compresses the third spring 35, the elastic restoring force of the second spring 32 and the first damping rod 31 buffers the force of the first time contact, prevents the pushing head 14 from being deformed by the multiple impact contacts in daily life, and improves the protection effect of the device, thereby improving the practicability of the device.
[0029] Working principle: in use, the air hole 12 is connected with the air pump, and the air cylinder push rod 15 is extended and drives the sliding rod 20 to compress the first spring 21, so that the air cylinder push rod 15 is more stable during movement, when the air cylinder push rod 15 needs to be recycled, the sliding block 16 presses the buffer block 42 by using the recycling force, so that the buffer block 42 drives the second damping rod 40 and the fourth spring 43 to be compressed, the second damping rod 40 and the fourth spring 43 are used to buffer the force of the air cylinder push rod 15, so that the device is not damaged when used, thereby prolonging the service life of the device; during the operation of the device, the pushing head 14 contacts the external object, the protection head 30 is retracted into the pushing head 14 by gravity during the contact, the first damping rod 31 and the second spring 32 are compressed, the sliding block 39 slides in the sliding groove 38, the hinge rod 37 is separated, the buffer rod 36 compresses the third spring 35, the elastic restoring force of the second spring 32 and the first damping rod 31 buffers the force of the first time contact, prevents the pushing head 14 from being deformed by the multiple impact contacts in daily life, and improves the protection effect of the device, thereby improving the practicability of the device.
[0030] The embodiments of the utility model are given for example and description, although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.
Claims
1. A cylinder cushioning stop structure, characterized by: Including the cylinder main part (1), the bottom of the cylinder main part (1) is fixedly installed with the base (11), the four corners inside the base (11) are fixedly inserted with fixed bolts (10), and the fixed bolts (10) penetrate the inside of the base (11), the inside bottom of the cylinder main part (1) is provided with a gas hole (12) on one side, the inside of the cylinder main part (1) is symmetrically provided with sliding grooves (13) on both sides, the sliding grooves (13) are slidably connected with sliding blocks (16), the top of the sliding block (16) is installed with a cylinder push rod (15), and the cylinder push rod (15) extends to the outside of the cylinder main part (1), the top of the cylinder push rod (15) is fixedly installed with a push head (14), the inside of the push head (14) is installed with a protection assembly (3) at the middle position, the top of both sides of the outside of the cylinder main part (1) is symmetrically fixedly installed with an auxiliary buffering assembly (2), and the inside bottom of the cylinder main part (1) is installed with a buffering assembly (4).
2. The cylinder cushioning stop structure of claim 1, wherein: The inside of the auxiliary buffering assembly (2) is inserted with a sliding rod (20), and the sliding rod (20) penetrates the inside of the auxiliary buffering assembly (2), the top of the sliding rod (20) is fixedly connected with the bottom of both sides of the push head (14), the bottom of the outside of the sliding rod (20) is sleeved with a first spring (21), and the two ends of the first spring (21) are respectively abutted with the auxiliary buffering assembly (2) and the first spring (21).
3. The cylinder cushioning stop structure of claim 1, wherein: The inside bottom of the protection assembly (3) is fixedly installed with first damping rods (31) at the four corners, the top of the first damping rod (31) is fixedly installed with a protection head (30), and the protection head (30) extends to the outside of the push head (14), the inside bottom of the protection head (30) is provided with a sliding groove (38) at the middle position, the inside of the sliding groove (38) is symmetrically slidably connected with sliding blocks (39), the inside bottom of the protection assembly (3) is symmetrically hinged with hinge rods (37) at the middle position, and the ends, away from the protection assembly (3), of the two groups of hinge rods (37) are respectively hingedly connected with the two groups of sliding blocks (39), the inside bottom of the protection assembly (3) is fixedly installed with mounting seats (33) at the middle positions on both sides, the sides, close to each other, of the two groups of mounting seats (33) are symmetrically fixedly installed with buffering insertion grooves (34), the inside of the buffering insertion groove (34) is slidably connected with a buffering rod (36), and the inside of the buffering insertion groove (34) is installed with a third spring (35), and the two ends of the third spring (35) are respectively abutted with the buffering insertion groove (34) and the buffering rod (36).
4. The cylinder cushioning stop structure of claim 1, wherein: The top of the buffering assembly (4) is fixedly installed with second damping rods (40) at the four corners, the top of the second damping rod (40) is fixedly installed with a mounting seat (41), the outside of the second damping rod (40) is sleeved with a fourth spring (43), and the two ends of the fourth spring (43) are respectively abutted with the buffering assembly (4) and the mounting seat (41), the top of the mounting seat (41) is fixedly installed with a buffering stop block (42), and the buffering stop block (42) corresponds to the sliding block (16).
5. The cylinder cushioning stop structure of claim 2, wherein: The bottom of the sliding rod (20) is fixed with a baffle, and the baffle is in abutment with the first spring (21).
6. The cylinder cushioning stop structure of claim 3, wherein: The mounting seat (33) is in triangular structure, and the buffer rod (36) is in mutual adhesion with the hinged rod (37) at one end close to the hinged rod (37).