Piston type air compressor

Abstract

The utility model relates to the technical field of air compressors, and discloses a piston type air compressor which comprises an air compressor body, one end of the air compressor body is fixedly connected with a connecting column, the interior of the connecting column is rotatably connected with a rotating block, the interior of the rotating block is provided with a connecting pipe, the two ends of the interior of the connecting column are fixedly connected with arc-shaped blocks, and the arc-shaped blocks are arranged in the connecting column. Adjusting grooves are formed in the two ends of the rotating block correspondingly, pushing blocks are slidably connected into the adjusting grooves, inserting rods are fixedly connected to the sides, close to the interiors of the adjusting grooves, of the pushing blocks, and inserting holes are formed in the two ends of the connecting pipe correspondingly. According to the piston type air compressor, a worker rotates a rotating block to drive a pushing block and an inserting rod to rotate synchronously, in the moving process of the rotating block, the pushing block is gradually made to make contact with an arc block, the arc block extrudes the pushing block to push the inserting rod to be inserted into an inserting hole, and therefore a connecting pipe is limited; therefore, workers can conveniently replace connecting pipes of different specifications or carry out overhaul and maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor technical field especially relates to a piston type air compressor. BACKGROUND

[0002] The working principle of the piston type air compressor is based on the volumetric compression principle, and the compression of air is realized through the reciprocating movement of the piston in the cylinder. When the piston moves downward, the pressure in the cylinder decreases, and the outside air enters the cylinder through the inlet valve. When the piston moves upward, the pressure in the cylinder increases, the inlet valve is closed, the exhaust valve is opened, and the compressed air is discharged from the cylinder through the exhaust valve. In this process, the piston is connected to the crankshaft through a connecting rod, and the crankshaft is driven to rotate by a motor or other power source, thereby driving the piston to reciprocate in the cylinder.

[0003] A piston type air compressor is disclosed in Chinese patent (authorized publication number CN213116618U). The patent technology is convenient for fixing the air compressor after moving, avoids collision, improves safety, and is convenient for winding the power cord by setting the support rod, elbow and threaded hole, avoids dragging the power cord when moving the air compressor, and reduces damage.

[0004] In view of the above and the existing related technology, the inventors believe that the following defects often exist: in the existing piston type air compressor technology, the connecting pipe cannot be replaced at will, which is a problem to be solved. In the running process of the piston type air compressor, the connecting pipe, as one of the key components, undertakes the important task of conveying compressed air. However, due to the limitations of design, material or installation factors of the connecting pipe, once the connecting pipe has problems such as aging, wear or rupture, it is often difficult to replace quickly. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is that the connecting pipe of the piston type air compressor cannot be replaced in the prior art. Therefore, we propose a piston type air compressor.

[0006] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a piston type air compressor, comprising an air compressor body, one end of the air compressor body is fixedly connected with a connecting column, the inside of the connecting column is rotatably connected with a rotating block, the inside of the rotating block is provided with a connecting pipe, both ends of the inside of the connecting column are fixedly connected with arc blocks, both ends of the rotating block are provided with adjusting grooves, the inside of the adjusting grooves is slidably connected with a push block, one side of the push block close to the inside of the adjusting groove is fixedly connected with a plug rod, and both ends of the connecting pipe are provided with plug holes.

[0007] Preferably, one side of the push block away from the inside of the plug rod is fixedly connected with a force storage spring, and the side of the force storage spring away from the push block is fixedly connected with the inside of the adjusting groove.

[0008] Preferably, the size of the insertion rod is matched with the size of the insertion hole, and the surface of the insertion rod is inserted with the inside of the insertion hole.

[0009] Preferably, the two ends of the push block are fixedly connected with sliding blocks, and the inside of the two ends of the adjusting groove is provided with sliding grooves, and the surface of the sliding block is slidably connected with the inside of the sliding groove.

[0010] Preferably, the inside of the rotating block near the connecting pipe is provided with a sealing gasket.

[0011] Preferably, the surface of the rotating block is fixedly connected with two annular blocks, and the inside of the rotating block is provided with two annular grooves.

[0012] Preferably, the two ends of the connecting column are provided with threaded rods, and the two ends of the rotating block are provided with threaded holes.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] In the utility model, the staff drives the push block and the insertion rod to rotate synchronously by rotating the rotating block, and gradually makes the push block contact with the arc block in the rotating block moving process, the arc block extrudes the push block to push the insertion rod to insert into the insertion hole, thereby limiting the connecting pipe, through the above setting, the staff can replace the connecting pipe of different specifications or carry out overhauling and maintenance. ACCURACY OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a local explosion structural schematic diagram of the utility model;

[0017] Figure 3 It is a rotating block structural schematic diagram of the utility model;

[0018] Figure 4 It is a local explosion structural schematic diagram of the rotating block of the utility model;

[0019] Figure 5 It is a local explosion structural schematic diagram of the utility model;

[0020] Figure 6 It is a connecting column structural schematic diagram of the utility model.

[0021] Legend: 1, air compressor body; 2, connecting column; 3, rotating block; 4, connecting pipe; 5, arc block; 6, adjusting groove; 7, push block; 8, insertion rod; 9, insertion hole; 10, force spring; 11, sliding block; 12, sliding groove; 13, sealing gasket; 14, annular block; 15, annular groove; 16, threaded rod; 17, threaded hole. CONCRETE IMPLEMENTATION

[0022] The utility model will be further explained in detail in connection with the drawings and preferred embodiments, these drawings are all simplified schematic diagram, only with schematic way illustrates the basic structure of the utility model, therefore it only shows the related structure of the utility model.

[0023] Referring to Figure 1 - Figure 5 As shown in the figure, the utility model provides a technical scheme: a piston type air compressor, including air compressor body 1, one end of air compressor body 1 is fixedly connected with connecting column 2, the inside rotationally connected with rotating block 3 of connecting column 2, the inside of rotating block 3 is provided with connecting pipe 4, both ends in connecting column 2 are all fixedly connected with arc block 5, both ends of rotating block 3 are all set with adjusting groove 6, the inside of adjusting groove 6 is slidably connected with push block 7, the side of push block 7 close to the inside of adjusting groove 6 is fixedly connected with plug rod 8, both ends of connecting pipe 4 are all set with insertion hole 9, staff drives push block 7 and plug rod 8 to carry out synchronous rotation by rotating rotating block 3, gradually makes push block 7 and arc block 5 contact in the movement of rotating block 3, arc block 5 and extrude push block 7 and push plug rod 8 into insertion hole 9, thereby limiting connecting pipe 4, by above-mentioned setting, so that staff replaces different specifications of connecting pipe 4 or carries out overhauling and maintenance.

[0024] Referring to Figure 4 As shown in the figure, in the embodiment: the side of push block 7 close to the inside of plug rod 8 is fixedly connected with force storage spring 10, the side of force storage spring 10 away from push block 7 is fixedly connected with the inside of adjusting groove 6, when making push block 7 and arc block 5 contact, push block 7 extrudes force storage spring 10 and carries out compression force storage, and drives plug rod 8 and inserts into insertion hole 9 and carries out fixation, when staff removes the contact between push block 7 and arc block 5, under the action of the resilience of force storage spring 10, make push block 7 drive plug rod 8 and contact the limiting between insertion hole 9 quickly.

[0025] Referring to Figure 1 - Figure 5 As shown in the figure, in the embodiment: the size of plug rod 8 and the size of insertion hole 9 are mutually adapted, the surface of plug rod 8 and the inside of insertion hole 9 are in the form of insertion, by the size of plug rod 8 and the size of insertion hole 9 mutually adapted setting, make plug rod 8 can stably insert into the inside of insertion hole 9, thereby realize the stable connection between rotating block 3 and connecting pipe 4, avoid the situation of loosening or falling off in the use process, this kind of insertion design not only improves the stability of the overall structure, also makes the assembling and disassembling process more simple and fast, facilitates user to maintain and replace connecting pipe 4.

[0026] Referring to Figure 4As shown, in the embodiment: the two ends of the push block 7 are fixedly connected with the sliding blocks 11, the two ends of the adjusting groove 6 are provided with the sliding grooves 12, the surface of the sliding block 11 is in sliding connection with the inside of the sliding groove 12, when the adjusting groove 6 is moved, the adjusting groove 6 drives the sliding block 11 to slide in the inside of the sliding groove 12,

[0027] Through the above setting, the push block 7 is more stable during movement, avoids errors caused by shaking, and at the same time, the sliding connection design of the sliding block 11 and the sliding groove 12 also makes the whole device more smooth during operation, reduces friction and resistance, and improves work efficiency.

[0028] Referring to Figure 4 As shown, in the embodiment: the side close to the connecting pipe 4 in the inside of the rotating block 3 is provided with the sealing pad 13, through the setting that the side close to the connecting pipe 4 in the inside of the rotating block 3 is provided with the sealing pad 13, the sealing performance between the rotating block 3 and the connecting pipe 4 is effectively improved, the leakage of gas during compression is prevented, thereby ensuring the operation efficiency and safety of the air compressor body 1.

[0029] Referring to Figure 4 and Figure 6 As shown, in the embodiment: the surface of the rotating block 3 is fixedly connected with two annular blocks 14, the inside of the rotating block 3 is provided with two annular grooves 15, when the rotating block 3 is rotated, the rotating block 3 drives the annular block 14 to rotate in the inside of the annular groove 15, through the above setting, the stability of the rotating block 3 during rotation can be ensured, the shaking or deviation of the rotating block 3 during rotation is avoided, the normal use of the rotating block 3 is ensured, at the same time, the setting of the annular block 14 can also limit the rotating block 3, prevent the rotating block 3 from deviating from the preset track during rotation, and further improve the use safety of the rotating block 3.

[0030] Referring to Figure 4 and Figure 6 As shown, in the embodiment: the two ends of the connecting column 2 are provided with the threaded rods 16, the two ends of the rotating block 3 are provided with the threaded holes 17, through the setting between the threaded rod 16 and the threaded hole 17, after the connecting pipe 4 is limited, the worker inserts the threaded rod 16 into the threaded hole 17 to fix the rotating block 3, avoids the unstable contact between the arc block 5 and the push block 7 caused by the rotation of the rotating block 3 in the inside of the connecting column 2.

[0031] Working principle: The worker rotates the rotating block 3 to drive the push block 7 and the insertion rod 8 to rotate synchronously. During the movement of the rotating block 3, the push block 7 gradually contacts the arc block 5, which extrudes the push block 7 to push the insertion rod 8 into the insertion hole 9, thereby limiting the connecting pipe 4. Through the above setting, the worker can replace the connecting pipe 4 of different specifications or perform maintenance. When the push block 7 contacts the arc block 5, the push block 7 extrudes the force storage spring 10 to compress and store force, and drives the insertion rod 8 to contact the limiting position between the insertion hole 9. Through the mutual adaptation of the size of the insertion rod 8 and the size of the insertion hole 9, the insertion rod 8 can be stably inserted into the insertion hole 9, thereby realizing stable connection between the rotating block 3 and the connecting pipe 4, avoiding loosening or falling during use. This insertion design not only improves the stability of the overall structure, but also makes the assembly and disassembly process more convenient and fast, facilitating the user to maintain and replace the connecting pipe 4. When the worker moves the adjusting groove 6, the adjusting groove 6 drives the sliding block 11 to slide in the sliding groove 12. Through the above setting, the push block 7 is more stable during movement, avoiding errors caused by shaking. At the same time, the sliding connection design of the sliding block 11 and the sliding groove 12 also makes the whole device operate more smoothly, reduces friction and resistance, and improves work efficiency. Through the installation of the sealing pad 13 on the side of the rotating block 3 close to the connecting pipe 4, the sealing performance between the rotating block 3 and the connecting pipe 4 is effectively improved, preventing gas leakage during compression, thereby ensuring the running efficiency and safety of the air compressor body 1. When the worker rotates the rotating block 3, the rotating block 3 drives the annular block 14 to rotate in the annular groove 15. Through the above setting, the stability of the rotating block 3 during rotation can be ensured, avoiding shaking or deviation of the rotating block 3 during rotation, ensuring normal use of the rotating block 3. At the same time, the setting of the annular block 14 can also limit the rotating block 3, preventing the rotating block 3 from deviating from the preset track during rotation, further improving the use safety of the rotating block 3. Through the setting between the threaded rod 16 and the threaded hole 17, after the worker limits the connecting pipe 4, the worker inserts the threaded rod 16 into the threaded hole 17 to fix the rotating block 3, avoiding unstable contact between the arc block 5 and the push block 7 due to rotation of the rotating block 3 in the connecting column 2.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A piston air compressor, comprising an air compressor body (1), characterized in that: One end of the air compressor body (1) is fixedly connected to a connecting column (2), and a rotating block (3) is rotatably connected inside the connecting column (2). A connecting pipe (4) is provided inside the rotating block (3). Arc blocks (5) are fixedly connected to both ends inside the connecting column (2). Adjustment grooves (6) are provided at both ends of the rotating block (3). A push block (7) is slidably connected inside the adjustment groove (6). An insertion rod (8) is fixedly connected to the side of the push block (7) near the inside of the adjustment groove (6). Insertion holes (9) are provided at both ends of the connecting pipe (4).

2. A piston air compressor according to claim 1, characterized in that: A storage spring (10) is fixedly connected to the side of the push block (7) near the inside of the insert rod (8), and the side of the storage spring (10) away from the push block (7) is fixedly connected to the inside of the adjustment groove (6).

3. A piston air compressor according to claim 1, characterized in that: The size of the insertion rod (8) is adapted to the size of the insertion hole (9), and the surface of the insertion rod (8) is inserted into the interior of the insertion hole (9).

4. A piston air compressor according to claim 1, characterized in that: Both ends of the push block (7) are fixedly connected to sliders (11), and both ends of the adjustment groove (6) are provided with sliding grooves (12). The surface of the slider (11) is slidably connected to the interior of the sliding groove (12).

5. A piston air compressor according to claim 1, characterized in that: A sealing gasket (13) is installed inside the rotating block (3) on the side near the connecting pipe (4).

6. A piston air compressor according to claim 1, characterized in that: Two annular blocks (14) are fixedly connected to the surface of the rotating block (3), and two annular grooves (15) are opened inside the rotating block (3).

7. A piston air compressor according to claim 1, characterized in that: Both ends of the connecting column (2) are equipped with threaded rods (16), and both ends of the rotating block (3) are provided with threaded holes (17).

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