Piston rod component suitable for gas compressor

Abstract

The piston rod component comprises a first gland, a rod body is installed on the lower portion of the first gland through a screw, a lantern ring is connected between the first gland and the rod body in a clamped mode, a connecting base is rotatably installed on the lower portion of the rod body, a sleeve shell is buckled on the lower portion of the connecting base, and an oil box is sleeved with the sleeve shell. A pair of annular leather pieces are clamped between the sleeve shell and the oil box, a second gland is buckled on the lower portion of the oil box, two sealing rings are clamped between the sleeve shell and the connecting base, one sealing ring is clamped between the oil box and the second gland, a bolt is installed on the outer portion of the sleeve shell in a threaded mode, the bolt is embedded in the oil box, and a leather cover is embedded in the sleeve shell. The leather cover is pulled out, the bolt is screwed out, the sleeve shell and the oil box are separated, oil is added into the oil box, the oil box and the sleeve shell are in butt joint, the bolt is screwed back, the oil box and the sleeve shell are locked through the bolt, in the working process, the annular leather piece is used for guiding oil to enter the position between the air cylinder and the sealing ring, and lubricating oil can be automatically supplemented conveniently.

Description

Technical Field

[0001] The invention belongs to the technical field of compressors, and in particular relates to a piston rod component suitable for a gas compressor. Background Art

[0002] A gas compressor is a power device that converts mechanical energy into gas pressure energy. It is often used to provide gas power for pneumatic tools. It is also commonly used to pressurize oxygen, hydrogen, ammonia, natural gas, coke oven gas, inert gas and other media in the petrochemical, drilling, metallurgical and other industries.

[0003] Since the cylinder of the compressor mainly uses lubricating oil to maintain airtightness and smooth sliding, the piston assembly of the conventional compressor cannot store lubricating oil and needs to be frequently maintained and replenished with lubricating oil, resulting in the problem that the lubrication durability of the piston assembly of the conventional compressor is relatively short.

[0004] To this end, we propose a piston rod component suitable for a gas compressor to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the problem of short lubrication durability of the piston assembly of a conventional compressor, and to propose a piston rod component suitable for a gas compressor.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A piston rod component suitable for a gas compressor comprises a first pressure cap, a rod body is installed on the lower part of the first pressure cap by screws, a sleeve ring is clamped between the first pressure cap and the rod body, a connecting seat is rotatably installed on the lower part of the rod body, a sleeve shell is buckled on the lower part of the connecting seat, an oil box is sleeved inside the sleeve shell, an annular leather piece is sandwiched between the sleeve shell and the oil box, a pair of annular leather pieces are provided, a second pressure cap is buckled on the lower part of the oil box, a sealing ring is sandwiched between the sleeve shell and the connecting seat, two sealing rings are provided, one of which is sandwiched between the oil box and the second pressure cap, a bolt is installed on the external thread of the sleeve shell, the bolt is embedded in the oil box, a leather cover is embedded in the sleeve shell, and the leather cover is blocked outside the bolt. Pull out the leather cover, unscrew the bolts, disassemble the casing and the oil box, add oil into the oil box, connect the oil box and casing, screw the bolts back, and use the bolts to lock the oil box and casing. During operation, use the annular leather piece to guide the oil into between the cylinder and the sealing ring to facilitate automatic replenishment of lubricating oil.

[0007] Preferably, the first gland includes a cover body and a first buckle strip, wherein the first buckle strip is fixedly connected to the upper inner wall of the cover body. After the cover body is docked with the rod body, the first buckle strip is clamped on the collar to prevent the collar and the cover body from deflecting and improve the stability of the collar angle.

[0008] Preferably, the rod body includes a sleeve and a second buckle strip, the lower end of the sleeve is fixedly connected to a connecting rod, and the second buckle strip is fixedly connected to the middle of the sleeve. The collar is clamped on the second buckle strip, the sleeve is used to constrain the collar, and the second buckle strip is used to prevent the collar from deflecting. The first gland is used to prevent the collar, the first gland, and the rod body from deflecting, thereby ensuring the stability between the first gland, the rod body, and the collar.

[0009] Preferably, the connection seat comprises a seat body, the lower end of which is fixedly connected with an elastic sheet, the lower end of which is fixedly connected with a first buckle block, and the first buckle block is buckled and matched with the upper part of the casing. The first buckle block is buckled inside the casing to keep the first buckle block and the casing in abutment, the seat body is screwed, the seat body drives the elastic sheet to revolve, and the elastic sheet drives the first buckle block to move along the casing, so that the first buckle block is misaligned with the buckle groove of the casing, and the first buckle block is disengaged from the casing, and then the connection seat is removed, so as to facilitate the removal and replacement of the upper sealing ring.

[0010] Preferably, the bolt comprises a plug, one end of which is fixedly connected to a bolt body, and the bolt body is threadedly installed inside the casing. The bolt body is screwed into the casing, and the plug is stably embedded in the oil box through the bolt body, so that the oil box and the casing are conveniently connected.

[0011] Preferably, the leather cover comprises a cover body, a first plug-in block is fixedly connected to the side of the cover body, the first plug-in block is inserted into the bolt body, and the cover body is embedded in the sleeve shell. The first plug-in block is clamped in the bolt body, and the cover body is clamped on the sleeve shell, so that the cover body and the first plug-in block are blocked outside the bolt, preventing the bolt from being excessively loosened outward, thereby improving the stability of the bolt assembly state.

[0012] Preferably, the oil box includes a box body, an annular groove is formed on the upper part of the box body, the plug is inserted into the annular groove, an oil hole is formed on the side of the box body, the annular leather piece is sleeved on the outside of the oil hole, and the lower end of the casing is pressed on the annular leather piece. The plug is inserted into the annular groove to keep the box body in the casing, so that the two annular leather pieces guide the oil in the oil hole to replenish the target oil cylinder, which is convenient for automatic oil replenishment.

[0013] Preferably, the second gland includes a second buckle block, the lower end of which is fixedly connected to an elastic plate, the lower end of which is fixedly connected to a baffle, the baffle is pressed on the lower end of one of the sealing rings, the lower end of which is provided with a hexagonal groove, and the second buckle block is buckled inside the box body. The second buckle block is buckled into the notch inside the box body, so that the second buckle block is retained at the lower part of the oil box through the elastic plate, one of the sealing rings is retained on the baffle, a screwdriver is inserted into the hexagonal groove, and then the baffle is screwed to drive the second gland to rotate, so that the second buckle block is misaligned with the buckle groove at the lower part of the box body, so that the second gland is disengaged from the oil box, and the second gland is removed to facilitate replacement of the sealing ring.

[0014] Preferably, the sleeve ring includes a first half ring and a second half ring, a third buckle block is fixedly connected to the first half ring, the third buckle block is plugged and matched with the second half ring, the first half ring and the second half ring are clamped between the first gland and the rod body, the second buckle strip is clamped at the lower end of the first half ring and the second half ring, the second half ring is fixedly connected to the outside with a second plug block, and the second plug block is plugged and matched with the first half ring. Two groups of first half rings and second half rings are spliced ​​together to form a complete ring body, and the gaps of the circular rings are staggered by using the first half ring and the second half ring to improve the firmness after installation.

[0015] In summary, the technical effects and advantages of the present invention are as follows: 1. Pull out the leather cover, unscrew the bolts, disassemble the casing and the oil box, add oil into the oil box, connect the oil box and the casing, screw the bolts back, and use the bolts to lock the oil box and casing. During the operation, use the annular leather sheet to guide the oil into between the cylinder and the sealing ring to facilitate automatic replenishment of lubricating oil.

[0016] 2. Clamp the collar onto the second buckle strip, use the collar seat to constrain the collar, use the second buckle strip to prevent the collar from deflecting, and use the first gland to prevent the collar, the first gland, and the rod from deflecting, so as to ensure the stability among the first gland, the rod, and the collar.

[0017] 3. Buckle the first buckle block inside the shell to keep the first buckle block and the shell connected, screw the seat body, drive the spring piece to revolve through the seat body, and drive the first buckle block to move along the shell through the spring piece, so that the first buckle block and the buckle groove of the shell are misaligned, disengage from the shell and the first buckle block, and then remove the connecting seat to facilitate the removal and replacement of the sealing ring on the upper side.

[0018] 4. Screw the bolt body into the casing, and use the bolt body to stably embed the plug in the oil box, so that the oil box and the casing can be easily connected.

[0019] 5. The first insert is clamped in the bolt body, and the cover is clamped on the sleeve, so that the cover and the first insert are blocked outside the bolt to prevent the bolt from being excessively loosened outward, thereby improving the stability of the bolt assembly state.

[0020] 6. Use the plug to be inserted into the annular groove to keep the box body in the casing, so that the two annular leather sheets guide the oil in the oil hole to replenish the target oil cylinder, which is convenient for automatic oil replenishment.

[0021] 7. Use the second buckle block to buckle into the internal notch of the box body, so that the second buckle block is retained at the lower part of the oil box through the elastic plate, and one of the sealing rings is retained on the baffle plate. Insert the screwdriver into the hexagonal groove, and then screw the baffle plate to drive the second gland to rotate, so that the second buckle block is misaligned with the buckle groove at the lower part of the box body, so that the second gland is disengaged from the oil box, and the second gland is removed to facilitate the replacement of the sealing ring.

[0022] 8. Use two sets of first half rings and second half rings to splice each other to form a complete ring body, and use the first half rings and second half rings to stagger the gaps of the circular rings to improve the firmness after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the first gland structure of the present invention; Figure 3 It is a schematic diagram of the rod structure of the present invention; Figure 4 This is a schematic diagram of the structure of the connecting seat of the present invention; Figure 5 It is a schematic diagram of the bolt structure of the present invention; Figure 6 This is a schematic diagram of the leather cover structure of the present invention; Figure 7 This is a schematic diagram of the oil box structure of the present invention; Figure 8 This is a schematic diagram of the second gland structure of the present invention; Fig. 9 It is a schematic diagram of the ring structure of the present invention.

[0024] In the figure: 1, sealing ring; 2, first pressure cover; 3, rod body; 4, connecting seat; 5, bolt; 6, leather cover; 7, oil box; 8, second pressure cover; 9, collar; 10, annular leather sheet; 11, casing; 21, cover body; 22, first buckle strip; 31, sleeve seat; 32, second buckle strip; 33, connecting rod; 41, seat body; 42, spring piece; 43, first buckle block; 51, plug; 52, bolt body; 61, cover body; 62, first plug block; 71, box body; 72, oil hole; 73, annular groove; 81, second buckle block; 82, elastic plate; 83, baffle; 84, hexagonal groove; 91, first half ring; 92, second half ring; 93, third buckle block; 94, second plug block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, rather than all of the embodiments.

[0026] like Figure 1As shown, a piston rod component suitable for a gas compressor includes a first gland 2, a rod body 3 is installed on the lower part of the first gland 2 by screws, a collar 9 is clamped between the first gland 2 and the rod body 3, a connecting seat 4 is rotatably installed on the lower part of the rod body 3, a sleeve 11 is buckled on the lower part of the connecting seat 4, an oil box 7 is sleeved inside the sleeve 11, an annular leather piece 10 is sandwiched between the sleeve 11 and the oil box 7, a pair of annular leather pieces 10 are provided, a second gland 8 is buckled on the lower part of the oil box 7, a sealing ring 1 is sandwiched between the sleeve 11 and the connecting seat 4, two sealing rings 1 are provided, one of which is sandwiched between the oil box 7 and the second gland 8, a bolt 5 is installed on the external thread of the sleeve 11, the bolt 5 is embedded in the oil box 7, a leather cover 6 is embedded in the sleeve 11, and the leather cover 6 is blocked outside the bolt 5.

[0027] like Figure 1 and 2 As shown, the first gland 2 includes a cover body 21 and a first buckle strip 22, and the first buckle strip 22 is fixedly connected to the upper inner wall of the cover body 21. After the cover body 21 is docked with the rod body 3, the first buckle strip 22 is clamped on the collar 9 to prevent the collar 9 and the cover body 21 from deflecting.

[0028] like Figure 1 and 3 As shown, the rod body 3 includes a sleeve 31 and a second buckle strip 32. The lower end of the sleeve 31 is fixedly connected with a connecting rod 33, and the second buckle strip 32 is fixedly connected to the middle of the sleeve 31. The collar 9 is clamped on the second buckle strip 32, and the sleeve 31 is used to constrain the collar 9, while the second buckle strip 32 is used to prevent the collar 9 from deflecting.

[0029] like Figure 1 and 4 As shown, the connection seat 4 includes a seat body 41, a spring sheet 42 is fixedly connected to the lower end of the seat body 41, a first buckle block 43 is fixedly connected to the lower end of the spring sheet 42, and the first buckle block 43 is buckled and matched with the upper part of the casing 11. The first buckle block 43 is buckled inside the casing 11 to keep the first buckle block 43 and the casing 11 in contact, the seat body 41 is screwed, the spring sheet 42 is driven to revolve through the seat body 41, and the first buckle block 43 is driven to move along the casing 11 through the spring sheet 42, so that the first buckle block 43 is misaligned with the buckle groove of the casing 11, and is disengaged from the casing 11 and the connection seat 4 is removed.

[0030] like Figure 1 and 5 As shown, the bolt 5 includes a plug 51, one end of which is fixedly connected to a bolt body 52, and the bolt body 52 is threadedly installed inside the casing 11. The bolt body 52 is screwed into the casing 11, and the plug 51 is stably embedded in the oil box 7 through the bolt body 52, so that the oil box 7 and the casing 11 are kept docked.

[0031] like Figure 1 and 6As shown, the leather cover 6 includes a cover body 61, a first plug block 62 is fixedly connected to the side of the cover body 61, the first plug block 62 is inserted into the bolt body 52, and the cover body 61 is embedded in the sleeve shell 11. The first plug block 62 is clamped in the bolt body 52, and the cover body 61 is clamped on the sleeve shell 11, so that the cover body 61 and the first plug block 62 are blocked outside the bolt 5.

[0032] like Figure 1 , 5 As shown in FIG. 7 , the oil box 7 includes a box body 71, an annular groove 73 is formed on the upper part of the box body 71, the plug 51 is inserted into the annular groove 73, an oil hole 72 is formed on the side of the box body 71, the annular leather piece 10 is sleeved on the outer side of the oil hole 72, and the lower end of the sleeve 11 is pressed on the annular leather piece 10. With the plug 51 inserted into the annular groove 73, the box body 71 is kept in the sleeve 11, so that the two annular leather pieces 10 guide the oil in the oil hole 72 to replenish the target oil cylinder.

[0033] like Figure 1 and 8 As shown, the second gland 8 includes a second buckle block 81, the lower end of the second buckle block 81 is fixedly connected to an elastic plate 82, the lower end of the elastic plate 82 is fixedly connected to a baffle 83, the baffle 83 is pressed on the lower end of one of the sealing rings 1, the lower end of the baffle 83 is provided with a hexagonal groove 84, and the second buckle block 81 is buckled inside the box body 71. The second buckle block 81 is buckled into the notch inside the box body 71, so that the second buckle block 81 is retained at the lower part of the oil box 7 through the elastic plate 82, one of the sealing rings 1 is retained on the baffle 83, a screwdriver is inserted into the hexagonal groove 84, and then the baffle 83 is screwed to drive the second gland 8 to rotate, so that the second buckle block 81 is misaligned with the buckle groove at the lower part of the box body 71, so that the second gland 8 is disengaged from the oil box 7, and the second gland 8 is removed.

[0034] like Figure 1 , 3 As shown in FIG. 9 , the collar 9 includes a first half ring 91 and a second half ring 92. A third buckle block 93 is fixedly connected to the first half ring 91. The third buckle block 93 is plugged and matched with the second half ring 92. The first half ring 91 and the second half ring 92 are clamped between the first gland 2 and the rod body 3. The second buckle strip 32 is clamped at the lower ends of the first half ring 91 and the second half ring 92. A second plug block 94 is fixedly connected to the outside of the second half ring 92. The second plug block 94 is plugged and matched with the first half ring 91. Two groups of first half rings 91 and second half rings 92 are spliced ​​together to form a complete ring body. The first half ring 91 and the second half ring 92 are used to stagger the gaps of the circular rings to improve the firmness after installation.

[0035] Working principle: pull out the leather cover 6, then unscrew the bolt 5, disassemble the casing 11 and the oil box 7, add oil into the oil box 7, then dock the oil box 7 with the casing 11, screw back the bolt 5, and use the bolt 5 to lock the oil box 7 and the casing 11. During the working process, the annular leather piece 10 is used to guide the oil to enter between the cylinder and the sealing ring 1 to realize automatic replenishment of lubricating oil.

[0036] The above description is only a preferred specific implementation manner of the invention, but the protection scope of the invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the invention according to the technical scheme and inventive concept of the invention, which should be covered by the protection scope of the invention.

[0037] The description briefly mentions the application direction of the invention for the prior art known to those skilled in the art and without making changes, which is combined with the invention to form a complete technology; the description avoids over-popularizing the technology familiar to those skilled in the art to assist them in quickly understanding the main content of the invention.

Claims

1. A piston rod component suitable for a gas compressor, characterized in that: The invention comprises a first gland (2), a rod body (3) being mounted on the lower part of the first gland (2) by means of screws, a collar (9) being clamped between the first gland (2) and the rod body (3), a connecting seat (4) being rotatably mounted on the lower part of the rod body (3), a sleeve (11) being buckled on the lower part of the connecting seat (4), an oil box (7) being sleeved inside the sleeve (11), an annular leather sheet (10) being sandwiched between the sleeve (11) and the oil box (7), and the annular leather sheet (10) being provided with A pair of oil boxes (7) are provided, wherein a second pressure cover (8) is buckled at the bottom of the oil box (7), a sealing ring (1) is sandwiched between the casing (11) and the connecting seat (4), two sealing rings (1) are provided, one of which is sandwiched between the oil box (7) and the second pressure cover (8), a bolt (5) is installed on the external thread of the casing (11), and the bolt (5) is embedded in the oil box (7), and a leather cover (6) is embedded in the casing (11), and the leather cover (6) is blocked outside the bolt (5).

2. A piston rod component suitable for a gas compressor according to claim 1, characterized in that: The first gland (2) comprises a cover body (21) and a first buckle strip (22), wherein the first buckle strip (22) is fixedly connected to the upper inner side wall of the cover body (21).

3. The piston rod component suitable for a gas compressor according to claim 1, characterized in that: The rod body (3) comprises a sleeve (31) and a second buckle strip (32); a connecting rod (33) is fixedly connected to the lower end of the sleeve (31); and the second buckle strip (32) is fixedly connected to the middle of the sleeve (31).

4. The piston rod component suitable for a gas compressor according to claim 1, characterized in that: The connecting seat (4) comprises a seat body (41), the lower end of the seat body (41) is fixedly connected to a spring sheet (42), the lower end of the spring sheet (42) is fixedly connected to a first buckle block (43), and the first buckle block (43) is buckled and matched with the upper part of the casing (11).

5. The piston rod component suitable for a gas compressor according to claim 3, characterized in that: The bolt (5) comprises a plug (51), one end of which is fixedly connected to a bolt body (52), and the bolt body (52) is threadedly mounted inside the casing (11).

6. A piston rod component suitable for a gas compressor according to claim 5, characterized in that: The leather cover (6) comprises a cover body (61), a first plug block (62) is fixedly connected to the side of the cover body (61), the first plug block (62) is inserted into the bolt body (52), and the cover body (61) is embedded in the sleeve shell (11).

7. The piston rod component suitable for a gas compressor according to claim 5, characterized in that: The oil box (7) comprises a box body (71), an annular groove (73) is formed on the upper portion of the box body (71), the plug (51) is inserted into the annular groove (73), an oil hole (72) is formed on the side portion of the box body (71), the annular leather sheet (10) is sleeved on the outer side of the oil hole (72), and the lower end of the sleeve shell (11) is pressed onto the annular leather sheet (10).

8. The piston rod component suitable for a gas compressor according to claim 7, characterized in that: The second gland (8) comprises a second buckle block (81), the lower end of the second buckle block (81) is fixedly connected to an elastic plate (82), the lower end of the elastic plate (82) is fixedly connected to a baffle plate (83), the baffle plate (83) is pressed on the lower end of one of the sealing rings (1), the lower end of the baffle plate (83) is provided with a hexagonal groove (84), and the second buckle block (81) is buckled inside the box body (71).

9. The piston rod component suitable for a gas compressor according to claim 3, characterized in that: The sleeve ring (9) comprises a first half ring (91) and a second half ring (92); a third buckle block (93) is fixedly connected to the first half ring (91); the third buckle block (93) is plugged and matched with the second half ring (92); the first half ring (91) and the second half ring (92) are clamped between the first gland (2) and the rod body (3); the second buckle strip (32) is clamped at the lower ends of the first half ring (91) and the second half ring (92); a second plug block (94) is fixedly connected to the outside of the second half ring (92); the second plug block (94) is plugged and matched with the first half ring (91).

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