Clamping type air cylinder structure

Abstract

The utility model provides a clamping type air cylinder structure, which relates to the technical field of clamping air cylinders and comprises a first air cylinder body, an aluminum pipe arranged at one end of the first air cylinder body, a second air cylinder body arranged at one end of the aluminum pipe, four uniformly distributed protection grooves formed in one end of the second air cylinder body, and threaded grooves formed in the inner walls of the protection grooves. First threaded rods are in threaded connection with the inner walls of the threaded grooves; during use, a worker inserts the first threaded rod into the threaded groove and rotates the first threaded rod, the first threaded rod enters the threaded groove along the inner wall of the threaded groove, at the moment, the protective cover enters the protective groove, and when the inclined face of the insertion ring makes contact with the first sealing ring, the insertion ring extrudes the first sealing ring to enable the first sealing ring to be compressed; when the insertion ring completely enters the sealing groove, the first sealing ring gives reactive force to the insertion ring, the insertion ring is further fixed, the probability that water enters the insertion ring is effectively reduced, and corrosion of threads is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping cylinder technical field especially relates to a clamping type cylinder structure. BACKGROUND

[0002] Clamping cylinder is a device for clamping workpiece in the welding process, it combines the power drive of cylinder and the function of clamping mechanism, its basic principle is to use the piston movement in the cylinder, the linear motion of piston is converted into the clamping action of clamping component through connecting rod transmission mechanism, when compressed gas is input to the gas inlet of cylinder, the gas pushes the piston to move, the piston drives the connecting rod, and then makes the clamping component close and clamp the workpiece, when the gas is discharged, the piston resets under the action of spring or other reset device, and the clamping component releases the work.

[0003] In the prior art, such as a welding clamping cylinder structure in Chinese patent CN 220347573 U, the piston and the inner wall of the cylinder are separated to improve the running speed of the piston, and the piston is sealed by a sealing ring group, and the piston is used as an intermediary in the second chamber to form an upper space and a lower space, and the piston is separated from the inner wall of the cylinder by a support pad arranged at the lower end of the piston, thereby solving the problem that the cylinder is prone to failure when it is not used for a long time, and the sealing performance is good and the piston has high moving speed, but the patent still has the following problems.

[0004] In the above-mentioned patent, although the patent sets up a support column, the support column has good supporting and fixing effect and good safety performance, but the support column adjusts the length of the support column through threads and nuts, if the working environment is relatively humid, external moisture and dust may enter from the opening at the bottom of the cylinder and contact the threads and nuts, which may cause corrosion of the threads and nuts. UTILITY MODEL CONTENTS

[0005] The utility model mainly provides a clamping type cylinder structure which is convenient to improve waterproof performance and prevent corrosion caused by threads.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a clamping type cylinder structure, comprising: a first cylinder body, an aluminum pipe is arranged at one end of the first cylinder body, a second cylinder body is arranged at one end of the aluminum pipe, four evenly distributed protection grooves are formed at one end of the second cylinder body, a threaded groove is formed in the inner wall of the protection groove, a first threaded rod is connected with the inner wall of the threaded groove in a threaded mode, a protection cover is fixedly installed at one end of the first threaded rod, the protection cover is connected with the protection groove in a sliding mode, a sealing groove is formed in the inner wall of the protection groove, a first sealing ring is fixedly installed in the inner wall of the sealing groove, a ring is fixedly installed at one end of the protection cover close to the first sealing ring, the ring is connected with the sealing groove in a sliding mode, and a groove is formed in the top of the protection cover.

[0007] Preferably, four insertion slots are evenly distributed on one end of the first cylinder body close to the second cylinder body, and a support is slidably installed in each of the four insertion slots, a clamping groove is formed on the outer wall of the support, the inner wall of the clamping groove is attached to the outer wall of a clamping block, and the inner wall of the insertion slot is attached to the outer wall of the support.

[0008] Preferably, a storage groove is formed on the inner wall of each of the four insertion slots, a threaded hole is formed through the inner wall of the storage groove, a second threaded rod is screwed into the threaded hole, the clamping block is fixedly installed on one end of the second threaded rod close to the clamping groove, and a handle is fixedly installed on the other end of the second threaded rod away from the clamping block.

[0009] Preferably, an opening is formed through the inner wall of each of the four threaded grooves, and the four supports are slidably connected with the four openings, respectively.

[0010] Preferably, four guide grooves are evenly distributed on one end of the first cylinder body, and a positioning groove is formed on the outer wall of the support.

[0011] Preferably, a second sealing ring is fixedly installed on each of the four side walls of the first cylinder body, so that the second threaded rod is prevented from contacting water.

[0012] Preferably, the outer wall of each of the four protective covers is attached to the inner wall of each of the four protective grooves, so that the sealing performance is further improved.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1、in the utility model, when in use, staff inserts the first threaded rod into the threaded groove, rotates the first threaded rod, and the first threaded rod enters the threaded groove along the inner wall of the threaded groove, at this time, the protective cover enters the protective groove, when the inclined surface of the insertion ring contacts the first sealing ring, the insertion ring extrudes the first sealing ring, so that the first sealing ring is compressed, when the insertion ring completely enters the sealing groove, the first sealing ring further fixes the insertion ring by giving the reaction force to the insertion ring, effectively reduces the probability of water entering, and prevents corrosion caused by threads.

[0015] 2、The utility model discloses when the support is damaged, staff rotates the handle, and the handle drives the second threaded rod to rotate, and the second threaded rod moves along the threaded hole, and the clamping block leaves the clamping groove, at this time, staff can draw out the support after taking down the protective cover and the nut, and replace the new support, convenient replacement. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A whole perspective view of the clamping type cylinder structure is provided for the utility model;

[0017] Figure 2 Another perspective view of the whole of the clamping type cylinder structure is provided for the utility model;

[0018] Figure 3 A second cylinder body sectional view of the clamping type cylinder structure is provided for the utility model;

[0019] Figure 4 A first cylinder body sectional view of the clamping type cylinder structure is provided for the utility model.

[0020] Legend: 1, first cylinder body;2, aluminum pipe;3, second cylinder body;4, support;5, guide groove;6, protective cover;7, external thread;8, opening;9, nut;10, protection groove;11, sealing groove;12, threaded groove;13, first threaded rod;14, recess;15, insert ring;16, first sealing ring;17, positioning groove;18, insertion groove;19, clamping groove;20, storage groove;21, threaded hole;22, second threaded rod;23, handle;24, clamping block;25, second sealing ring. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purpose, features and advantages of the utility model more clearly understood, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiments disclosed in the following disclosure.

[0023] Please refer to Figures 1-4This utility model provides a technical solution: a clamping cylinder structure, including: a first cylinder body 1, an aluminum tube 2 at one end of the first cylinder body 1, a second cylinder body 3 at one end of the aluminum tube 2, four evenly distributed protective grooves 10 at one end of the second cylinder body 3, threaded grooves 12 on the inner wall of the protective grooves 10, a first threaded rod 13 threadedly connected to the inner wall of the threaded grooves 12, a protective cover 6 fixedly installed at one end of the first threaded rod 13, the protective cover 6 slidably connected to the protective grooves 10, a sealing groove 11 on the inner wall of the protective grooves 10, a first sealing ring 16 fixedly installed on the inner wall of the sealing grooves 11, a retaining ring 15 fixedly installed at the end of the protective cover 6 near the first sealing ring 16, the retaining ring 15 slidably connected to the sealing grooves 11, and a groove 14 on the top of the protective cover 6.

[0024] like Figure 4 As shown, four evenly distributed slots 18 are opened at one end of the first cylinder body 1 near the second cylinder body 3. The support column 4 is slidably installed inside each of the four slots 18. The outer wall of the support column 4 is provided with a slot 19. The inner wall of the slot 19 fits against the outer wall of the block 24. The inner wall of the slot 18 fits against the outer wall of the support column 4. When the block 24 enters the slot 19, the support column 4 can be fixed.

[0025] like Figure 4 As shown, storage slots 20 are opened on the inner walls of the four slots 18, and threaded holes 21 are opened through the inner walls of the storage slots 20. The threaded holes 21 are threaded to the second threaded rod 22. A locking block 24 is fixedly installed at the end of the second threaded rod 22 near the slot 19, and a handle 23 is fixedly installed at the end of the second threaded rod 22 away from the locking block 24. When the operator rotates the handle 23, the handle 23 drives the second threaded rod 22 to rotate, and the second threaded rod 22 moves along the threaded hole 21, and the locking block 24 leaves the slot 19.

[0026] like Figure 3 As shown, openings 8 are opened through the inner walls of the four threaded grooves 12. The four pillars 4 are slidably connected to the four openings 8 respectively. An external thread 7 is opened on the outer wall of one end of the pillar 4. Two nuts 9 are threadedly connected to the outer wall of the external thread 7. When in use, after the worker changes the length of the aluminum tube 2, the bottom part of the second cylinder body 3 is installed. Then, the worker first adjusts the upper nut 9 on the pillar 4 until the upper nut 9 is close to the second cylinder body 3. After tightening it upwards, the worker then tightens the lower nut 9 upwards until the two nuts 9 are tightly pressed together, thus completing the assembly.

[0027] like Figure 2 and Figure 4 As shown, four evenly distributed guide grooves 5 are opened at one end of the first cylinder body 1, and a positioning groove 17 is opened on the outer wall of the support column 4. During installation, when the worker inserts the support column 4 into the slot 18, when the worker rotates the positioning groove 17 to the side of the guide groove 5, the slot 19 can move to the side of the block 24.

[0028] As Figure 4 shown, the first cylinder body 1 outside four side walls are fixedly installed second sealing ring 25, prevent moisture and second threaded rod 22 contact.

[0029] As Figure 3 shown, the four protective cover 6 outer wall respectively with four protective groove 10 inner wall fit, further enhance the sealing.

[0030] The device using method and working principle: in use, after the length of the staff in the replacement of aluminum pipe 2, the second cylinder body 3 the lowest part is installed, then in the pillar 4 first mobilization located above the nut 9, until the upper nut 9 close to the second cylinder body 3, after the upwardly tightened, in the lower nut 9 is tightened, until two nut 9 close to each other, complete assembly. Then the staff will first threaded rod 13 inserted into the threaded groove 12, rotate first threaded rod 13, first threaded rod 13 along the threaded groove 12 wall into threaded groove 12, at this time the protective cover 6 into the protective groove 10, when the ring 15 inclined surface and first sealing ring 16 contact, ring 15 extrusion first sealing ring 16, make it compression, when the ring 15 completely into the sealing groove 11, first sealing ring 16 to ring 15 the reaction force further fixed ring 15, effectively reduce the probability of moisture into, prevent corrosion caused by thread. When the pillar 4 damage, the staff rotate the handle 23, handle 23 driven second threaded rod 22 rotation, second threaded rod 22 along the threaded hole 21 movement, block 24 away from the card slot 19, at this time the staff will protective cover 6 and nut 9 after taking off, can be extracted pillar 4, replace the new pillar 4, convenient replacement.

[0031] The above, only the preferred embodiment of the present application, not to other forms of the present application is limited, any skilled in the art of technical personnel may be disclosed by the above technology content to change or modification of equivalent changes equivalent embodiments applied in other fields, but any simple modification, equivalent changes and modification of the above examples, still belong to the present application technical scheme protection scope according to the technical essence of the present application.

Claims

1. A clamping cylinder structure, characterized in that, Include: First cylinder body (1), one end of the first cylinder body (1) is provided with an aluminum pipe (2), one end of the aluminum pipe (2) is provided with a second cylinder body (3), four evenly distributed protection grooves (10) are opened at one end of the second cylinder body (3), thread grooves (12) are opened in the inner wall of the protection groove (10), first threaded rods (13) are threadedly connected in the inner wall of the thread groove (12), protection covers (6) are fixedly installed at one end of the first threaded rod (13), the protection cover (6) is slidably connected with the protection groove (10), a sealing groove (11) is opened in the inner wall of the protection groove (10), a first sealing ring (16) is fixedly installed in the inner wall of the sealing groove (11), an insertion ring (15) is fixedly installed at one end of the protection cover (6) close to the first sealing ring (16), the insertion ring (15) is slidably connected with the sealing groove (11), and a groove (14) is opened at the top of the protection cover (6).

2. A clamp-on cylinder structure according to claim 1, characterized in that: Four insertion grooves (18) are opened at one end of the first cylinder body (1) close to the second cylinder body (3), four support columns (4) are slidably installed in the four insertion grooves (18), and clamping grooves (19) are opened in the outer wall of the support column (4).

3. A clamp-on cylinder structure according to claim 2, wherein: A storage groove (20) is opened in the inner wall of each of the four insertion grooves (18), a threaded hole (21) is penetrated and opened in the inner wall of the storage groove (20), a second threaded rod (22) is threadedly connected in the threaded hole (21), a clamping block (24) is fixedly installed at one end of the second threaded rod (22) close to the clamping groove (19), and a handle (23) is fixedly installed at one end of the second threaded rod (22) away from the clamping block (24).

4. The clamp cylinder structure of claim 2, wherein: An opening (8) is penetrated and opened in the inner wall of each of the four thread grooves (12), four support columns (4) are slidably connected with four openings (8) respectively, outer threads (7) are opened in the outer wall of one end of the support column (4), and two nuts (9) are threadedly connected with the outer threads (7).

5. The clamp cylinder structure of claim 2, wherein: Four evenly distributed guide grooves (5) are opened at one end of the first cylinder body (1), and positioning grooves (17) are opened in the outer wall of the support column (4).

6. The clamp cylinder structure of claim 1, wherein: Second sealing rings (25) are fixedly installed on the four side walls outside the first cylinder body (1).

7. The clamp cylinder structure of claim 1, wherein: The outer walls of the four protection covers (6) are respectively attached to the inner walls of the four protection grooves (10).

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