CN111237164A - An easy-to-maintain air compressor piston device - Google Patents

Abstract

The invention relates to the technical field of air compressor accessories and discloses an easily-maintained air compressor piston device which comprises a curved transmission rod, wherein a curved rod connecting block is fixedly connected to the curved end of the curved transmission rod, a connecting block clamping groove is formed in the outer surface of the curved rod connecting block, and a connecting hole is formed in one end, far away from the curved rod connecting block, of the curved transmission rod. This easy to maintain's air compressor machine piston device, through dividing into two parts with bent type transfer line, and connect through activity inner ring and fixed block, then decompose into two to traditional pull rod, and threaded connection, set up a word recess at the piston top, it corresponds piston and bent type transfer line respectively to set up removable maintenance shell and access door on the piston shell at last, directly insert the transmission in the word recess with the instrument after the maintenance and can directly take out the piston, when bent type transfer line damages, only need loosen earlier the anticreep bearing and can change bent type transfer line, easy to maintain's effect has been reached.

Description

An easy-to-maintain air compressor piston device

technical field

The invention relates to the technical field of air compressor accessories, in particular to an air compressor piston device that is easy to maintain.

Background technique

Among the types of air compressors, piston air compressors are widely used in the market because of the lowest manufacturing technology requirements. Piston air compressors mainly rely on the push and pull of the piston to compress air. During the use process The piston, which is the main component, is easily damaged when used for a long time, and the connecting shaft of the cam-driven tie rod is also prone to damage, which requires maintenance and replacement of the damaged part. The traditional method is to disassemble the entire piston group before replacement. Maintenance, this method causes great trouble for maintenance, in order to solve this problem, the present invention now provides an air compressor piston device that is easy to maintain.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides an air compressor piston device that is easy to maintain, which has the advantages of easy maintenance, etc., and solves the need to completely disassemble the piston part during maintenance of the traditional air compressor mentioned in the above technical background. The problem.

(2) Technical solutions

In order to achieve the above purpose, the present invention provides the following technical solutions: an air compressor piston device that is easy to maintain, comprising a curved transmission rod, the curved end of the curved transmission rod is fixedly connected with a curved rod connecting block, and the curved rod is connected The outer surface of the block is provided with a connecting block slot, the end of the curved transmission rod away from the curved rod connecting block is provided with a connecting hole, the connecting hole is provided with a connecting tooth, and the outer surface of the curved rod connecting block is fixedly connected with a connecting hole. A movable inner ring, the inner surface of the movable inner ring is fixedly connected with a fixing block, the outer surface of the movable inner ring is movably connected with connecting balls, the outer surface of the connecting ball is movably connected with a tie rod connecting ring, and the outer surface of the tie rod connecting ring is movably connected A bottom pull rod is fixedly connected, a connecting thread is opened on the inner wall of the bottom pull rod, an adjustable pull rod is threadedly connected inside the bottom pull rod, an adjustment thread is opened on the outer surface of the adjustable pull rod, and the lower end of the adjustable pull rod is fixedly connected with a connection The outer surface of the connecting head is overlapped with an anti-loss spring, the upper end of the adjustable rod is fixedly connected with a movable connecting groove, the top of the movable connecting groove is movably connected with a piston, and the bottom of the piston is fixedly connected with a piston connecting head, The outer surface of the piston connecting head is bolted with fixing bolts, the top of the piston is provided with a hard groove, the bottom of the hard groove is provided with a word groove, the outer surface of the piston is sleeved with a piston casing, the The outer surface of the piston casing is provided with an air inlet hole, the outer surface of the piston casing is provided with an air outlet hole, the top of the piston casing is bolted and connected with a detachable maintenance shell, and the top of the detachable maintenance shell is threadedly connected with a detachable bolt, so the An inspection door is provided on the back of the bottom of the piston housing, and an anti-fall bearing is connected with bolts on the left side of the bottom of the piston housing.

Preferably, the number of the curved transmission rods is two, and the two curved transmission rods are symmetrical, and one end of the curved rod connecting block away from the curved transmission rod overlaps.

Preferably, grooves are formed on the outer surface of the movable inner ring, and grooves are formed on the inner surface of the tie rod connecting ring, and both are matched with the connecting balls.

Preferably, the outer surface of the fixing block is inserted into the inner wall of the connecting block slot, the length of the fixing block is equal to the length of the connection between the two connecting block slots, and the connecting block slot is suitable for the fixing block match.

Preferably, the adjusting thread is adapted to the connecting thread, the diameter of the lower end of the connecting head is smaller than the diameter of the adjustable pull rod, and the outer surface of the anti-loss spring overlaps with the inner wall of the bottom pull rod.

Preferably, the left and right sides of the piston connecting head are overlapped with the inner wall of the movable connecting groove, and the piston connecting head and the side surface of the movable connecting groove are both provided with through holes, and the through holes are all adapted, and the fixing bolts The left end penetrates the right side of the movable connection slot and extends to the left side of the movable connection slot and is screwed with a fixing nut.

Preferably, the left and right sides of the bottom of the inner wall of the bottom of the piston housing are penetrated by one end of the curved transmission rod away from the connecting block of the curved rod.

Preferably, the detachable bolt penetrates through the top of the detachable maintenance casing and extends to the inside of the top end of the piston casing, the position of the inspection door is parallel to the position of the curved transmission rod, and is fixed to the back of the piston casing by means of bolts.

Compared with the prior art, the present invention provides an air compressor piston device that is easy to maintain, and has the following beneficial effects:

1. This easy-to-maintain air compressor piston device divides the curved transmission rod into two parts and connects them through the movable inner ring and the fixed block, and then decomposes the traditional pull rod into two pieces, and connects them with threads, and sets them on the top of the piston. In-line groove, and finally, a detachable maintenance shell and an inspection door are set on the piston casing to correspond to the piston and the curved transmission rod respectively. After maintenance, directly insert the tool into the in-line groove for transmission, and the piston can be directly taken out. When the curved transmission rod is damaged, it is only necessary to loosen the anti-drop bearing first to replace the curved transmission rod, which achieves the effect of easy maintenance.

2. This easy-to-maintain air compressor piston device is provided with an anti-loss spring inside the bottom tie rod. When the tie rod rotating shaft moves the piston, the threaded connection will be tightly connected by the pressure of the anti-loss spring, which will not occur. The adjustment thread is worn for a long time due to the gap at the connection, which achieves the effect of making the device not easy to wear.

3. This easy-to-maintain air compressor piston device changes the traditional cam into a curved transmission rod, and then uses a ball connection at the connection, so that the traditional rotating shaft is directly driven by friction and changed into a ball transmission. The heat generated by the friction of the device and the wear of the parts are eliminated, and the effect of improving the service life of the device is achieved.

4. This easy-to-maintain air compressor piston device, by threaded connection of the bottom pull rod and the adjustable pull rod, enables the device to adjust the distance of the piston movement according to the needs, so that the strength of the gas compression becomes controllable, and the compressed gas pressure can be adjusted. Effect.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural schematic diagram of the left curved transmission rod of the present invention;

Fig. 3 is the structural schematic diagram of the right curved transmission rod of the present invention;

FIG. 4 is a schematic structural diagram of a tie rod connecting ring of the present invention;

Figure 5 is a schematic diagram of the structure of the bottom tie rod of the present invention;

6 is a schematic structural diagram of an adjustable pull rod of the present invention;

Fig. 7 is the assembly schematic diagram of the adjustable pull rod of the present invention;

FIG. 8 is a schematic diagram of the structure of the piston of the present invention.

Among them: 1. Curved transmission rod; 2. Curved rod connection block; 3. Connection block slot; 4. Pull rod connection ring; 5. Fixed block; 6. Bottom pull rod; 7. Connection thread; 8. Adjustable pull rod; 9. Adjusting thread; 10. Connecting head; 11. Active connecting groove; 12. Piston; 13. Piston connecting head; 14. Fixing bolt; 15. Hard groove; 16. Slotted groove; 17. Movable inner ring ;18, connecting ball; 19, connecting hole; 20, connecting tooth; 21, anti-loss spring; 22, piston housing; 23, air inlet; 24, air outlet; 25, detachable maintenance shell; 26, detachable Bolts; 27. Access door; 28. Anti-dropping bearings.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figure 1-8, an air compressor piston device that is easy to maintain, including a curved transmission rod 1, the number of curved transmission rods 1 is two, and the two curved transmission rods 1 are symmetrical, and the curved rods are connected One end of the block 2 away from the curved transmission rod 1 is overlapped. The curved end of the curved transmission rod 1 is fixedly connected with a curved rod connecting block 2. The outer surface of the curved rod connecting block 2 is provided with a connecting block slot 3. The connecting block slot 3 is used for The movable inner ring 17 is fixed to prevent the movable inner ring 17 from sliding on the surface of the curved transmission rod 1. The end of the curved transmission rod 1 away from the curved rod connecting block 2 is provided with a connecting hole 19, and a connecting pinion 20 is opened inside the connecting hole 19. It can be directly connected with the output shaft of the motor, which can effectively prevent the slippage of the belt drive. The outer surface of the crank rod connecting block 2 is fixedly connected with a movable inner ring 17. The outer surface of the movable inner ring 17 is provided with a groove, and the movable inner ring 17 The inner surface is fixedly connected with a fixing block 5, the outer surface of the fixing block 5 is inserted into the inner wall of the connecting block slot 3, the length of the fixing block 5 is equal to the length of the connection between the two connecting block slots 3, and the connecting block slot 3 Matching with the fixed block 5, the outer surface of the movable inner ring 17 is movably connected with connecting balls 18. The connecting balls 18 can effectively reduce the friction generated when the device rotates, so as to improve the service life of the device, and the outer surface of the connecting balls 18 is movably connected. There is a tie rod connecting ring 4, the inner surface of the tie rod connecting ring 4 is provided with grooves, and all of them are matched with the connecting balls 18, the outer surface of the tie rod connecting ring 4 is fixedly connected with a bottom tie rod 6, and the inner wall of the bottom tie rod 6 is provided with a connecting thread 7, The bottom tie rod 6 is internally threaded with an adjustable tie rod 8, and the outer surface of the adjustable tie rod 8 is provided with an adjustment thread 9, the adjustment thread 9 is matched with the connecting thread 7, and the lower end of the adjustable pull rod 8 is fixedly connected with a connecting head 10, and the connecting head 10 The diameter of the lower end is smaller than the diameter of the adjustable pull rod 8, and the outer surface of the connector 10 is overlapped with an anti-loss spring 21. The anti-loss spring 21 is used to force the threaded connection to prevent the device from being threaded when the piston moves. The outer surface of the anti-loss spring 21 overlaps with the inner wall of the bottom tie rod 6, the upper end of the adjustable tie rod 8 is fixedly connected with a movable connection groove 11, and the top of the movable connection groove 11 is movably connected with a piston 12, The bottom of the piston 12 is fixedly connected with a piston connecting head 13, the left and right sides of the piston connecting head 13 are overlapped with the inner wall of the movable connecting groove 11, and the side surfaces of the piston connecting head 13 and the movable connecting groove 11 are both provided with through holes, and the through holes are all open. The outer surface of the piston connecting head 13 is bolted with a fixing bolt 14, the left end of the fixing bolt 14 penetrates the right side of the movable connection groove 11 and extends to the left side of the movable connection groove 11 and is threadedly connected with a fixing nut, and the top of the piston 12 is provided with The hard groove 15, the bottom of the hard groove 15 is provided with a word groove 16, the outer surface of the piston 12 is sleeved with a piston casing 22, and the left and right sides of the bottom inner wall of the bottom of the piston casing 22 are connected by the curved transmission rod 1 away from the curved rod One end of the block 2 runs through, the outer surface of the piston housing 22 is provided with an air inlet 23, the outer surface of the piston housing 22 is provided with an air outlet 24, and the top of the piston housing 22 is bolted and connected with a detachable maintenance shell 25 , the top of the detachable maintenance shell 25 is threadedly connected with detachable bolts 26, the detachable bolts 26 penetrate through the top of the detachable maintenance shell 25 and extend to the inside of the top of the piston shell 22, and the back of the bottom of the piston shell 22 is provided with an inspection door 27. The position is parallel to the position of the curved transmission rod 1, and is fixed on the back of the piston housing 22 by bolts. The bottom left side of the piston housing 22 is bolted with an anti-separation bearing 28, which is used to prevent the curved transmission rod 1 from being separated. Disconnect to ensure stable rotation of the device.

When in use, first open the inspection door 27 to install the curved transmission rod 1 on the left side, fix it with the anti-drop bearing 28, and then connect the piston connecting head 13 at the bottom of the piston 12 to the movable connecting groove 11, and then pull the rod at the bottom. 6. Place the anti-loss spring 21 inside, and then insert the adjustable pull rod 8 from the upper end of the bottom pull rod 6. By rotating the adjustable pull rod 8, it is threadedly connected to the inner wall of the bottom pull rod 6. After confirming that the connection is firm, open the detachable maintenance shell 25. Insert the connected piston assembly from the top of the piston housing 22, then align the fixing block 5 with the connecting block slot 3, then insert it, and then pass the right curved transmission rod 1 through the inside of the piston housing 22 from the inside of the inspection door 27. Then insert the curved transmission rod 1 on the right side with the fixed block 5, confirm that the movable inner ring 17 is completely overlapped with the curved rod connecting block 2, and at the same time the two curved rod connecting blocks 2 are overlapped on the opposite surfaces, and finally from the right The connecting hole 19 at the right end of the side curved transmission rod 1 is connected to the external motor to completely fix the curved transmission rod 1. During maintenance, if only the piston 12 is damaged, just open the detachable maintenance shell 25, insert the tool to the word The groove 16 rotates the piston 12, so that the adjustable pull rod 8 can be taken out separately for replacement. If the curved transmission rod 1 is damaged, it is only necessary to open the inspection door 27, loosen the anti-fall bearing 28, and replace the single curved transmission rod. 1 can be replaced, no need to disassemble the whole.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides an easy to maintain's air compressor machine piston device, includes bent type transfer line (1), its characterized in that: the bent end of the bent transmission rod (1) is fixedly connected with a bent rod connecting block (2), the outer surface of the bent rod connecting block (2) is provided with a connecting block clamping groove (3), one end of the bent transmission rod (1), which is far away from the bent rod connecting block (2), is provided with a connecting hole (19), the inside of the connecting hole (19) is provided with a connecting gear shaping (20), the outer surface of the bent rod connecting block (2) is fixedly connected with a movable inner ring (17), the inner surface of the movable inner ring (17) is fixedly connected with a fixing block (5), the outer surface of the movable inner ring (17) is movably connected with a connecting ball (18), the outer surface of the connecting ball (18) is movably connected with a pull rod connecting ring (4), the outer surface of the pull rod connecting ring (4) is fixedly connected with a bottom pull rod (6), the inner wall of the bottom pull rod (6) is provided with, adjusting threads (9) are formed in the outer surface of the adjustable pull rod (8), a connector (10) is fixedly connected to the lower end of the adjustable pull rod (8), a loss prevention spring (21) is lapped on the outer surface of the connector (10), a movable connecting groove (11) is fixedly connected to the upper end of the adjustable pull rod (8), a piston (12) is movably connected to the top of the movable connecting groove (11), a piston connector (13) is fixedly connected to the bottom of the piston (12), a fixing bolt (14) is connected to the outer surface of the piston connector (13) through a bolt, a hard groove (15) is formed in the top of the piston (12), a straight groove (16) is formed in the bottom of the hard groove (15), a piston shell (22) is sleeved on the outer surface of the piston (12), a piston shell (23) is arranged on the outer surface of the piston shell (22), piston shell (22) top bolted connection has removable maintenance shell (25), removable maintenance shell (25) top threaded connection has removable bolt (26), access door (27) have been seted up to piston shell (22) bottom back, piston shell (22) bottom left side bolted connection has anticreep bearing (28).

2. The easy-to-maintain air compressor piston device as claimed in claim 1, wherein: the number of the curved transmission rods (1) is two, the two curved transmission rods (1) are symmetrical, and one ends, far away from the curved transmission rods (1), of the curved rod connecting blocks (2) are in lap joint.

3. The easy-to-maintain air compressor piston device as claimed in claim 1, wherein: the outer surface of the movable inner ring (17) is provided with a groove, and the inner surface of the pull rod connecting ring (4) is provided with a groove which is matched with the connecting ball (18).

4. The easy-to-maintain air compressor piston device as claimed in claim 1, wherein: the outer surface of the fixed block (5) is connected with the inner wall of the connecting block clamping groove (3) in an inserting mode, the length of the fixed block (5) is equal to two lengths, the connecting block clamping grooves (3) are connected, and the connecting block clamping grooves (3) are matched with the fixed block (5).

5. The easy-to-maintain air compressor piston device as claimed in claim 1, wherein: adjust screw thread (9) and connecting thread (7) looks adaptation, the lower extreme diameter of connector (10) is less than the diameter of adjustable pull rod (8), the surface of loss prevention spring (21) and the inner wall overlap joint of bottom pull rod (6).

6. The easy-to-maintain air compressor piston device as claimed in claim 1, wherein: piston connector (13) the left and right sides all with the inner wall overlap joint of activity spread groove (11), and piston connector (13) and activity spread groove (11) side surface have all seted up the through hole, through hole homogeneous phase adaptation, fixing bolt (14) left end runs through activity spread groove (11) right side and extends to the left side and the threaded connection of activity spread groove (11) and has fixation nut.

7. The easy-to-maintain air compressor piston device as claimed in claim 1, wherein: the left side and the right side of the bottom of the inner wall of the bottom of the piston shell (22) are penetrated by one end, far away from the curved rod connecting block (2), of the curved transmission rod (1).

8. The easy-to-maintain air compressor piston device as claimed in claim 1, wherein: the detachable bolt (26) penetrates through the top of the detachable maintenance shell (25) and extends to the inside of the top end of the piston shell (22), and the position of the access door (27) is parallel to that of the curved transmission rod (1) and is fixed on the back of the piston shell (22) through a bolt.

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