Connecting and adjusting device for air inlet of cylinder body

Abstract

The utility model discloses a cylinder body air inlet connection adjusting device which comprises an air cylinder body, one end of the air cylinder body is connected with a tail seat, the other end of the air cylinder body is connected with a front seat, the same sides of the tail seat and the front seat are fixedly connected with air inlet seats through screws, the upper ends of the air inlet seats are connected with valve seats, and the interior of each valve seat is movably connected with a ball valve element. The ball valve has the advantages that the effective opening degree of the air inlet port of the ball valve element can be adjusted only by screwing the knob cap, after adjustment is completed, the knob rod is screwed tightly, then the knob rod extends to the shaft rod in a threaded mode and is extruded on the shaft rod, the air inlet port of the ball valve element can be adjusted in a threaded mode, and the air inlet port of the ball valve element can be adjusted in a threaded mode. Therefore, automatic rotation of the shaft rod can be effectively avoided, operation is easy, controllability is high, and the maximum air quantity capable of entering the air cylinder body is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder air intake regulation, in particular to a cylinder air intake connection regulation device. Background Art

[0002] The cylinder is a cylindrical metal part that guides the piston to perform linear reciprocating motion in the cylinder. The application fields of the cylinder include printing (tension control), semiconductor (spot welding machine, chip grinding), automatic control, robot, etc. The air in the engine cylinder converts heat energy into mechanical energy through expansion, and the gas in the compressor cylinder is compressed by the piston to increase the pressure.

[0003] At present, when the cylinder is in use, the air inlet on the cylinder body is connected to the air outlet of the compressor through a pipeline, and the pipeline connecting the air inlet of the cylinder body and the air outlet of the compressor is usually equipped with a solenoid valve to control the air inlet and outlet of the pipeline. If the solenoid valve is abnormal, the gas pressure in the air supply pipeline cannot be controlled, thereby affecting the use. Therefore, a cylinder air inlet connection adjustment device is provided to solve the above problems. Utility Model Content

[0004] In order to solve the problems in the above background technology, the technical solution adopted by the utility model to solve the technical problems is: a cylinder air inlet connection and adjustment device, which includes: a cylinder body, one end of the cylinder body is connected to a tail seat, the other end of the cylinder body is connected to a front seat, the tail seat and the front seat are both connected to an air inlet seat on the same side by screws, the upper end of the air inlet seat is connected to a valve seat, a spherical valve core is movably connected inside the valve seat, the top of the spherical valve core is connected to a shaft rod, and the upper end of the valve seat is threadedly connected to a knob rod on the side opposite to the shaft rod.

[0005] As a preferred technical solution of the utility model, a sealing ring is provided at one end of the shaft rod above the spherical valve core, a bearing is connected to one side of the shaft rod above the sealing ring, and the shaft rod is connected to the inside of the valve seat through the bearing.

[0006] As a preferred technical solution of the utility model, the air inlet seat is provided with an air inlet at the connection with the valve seat, and the spherical valve core is provided with a right-angled flow groove inside.

[0007] As a preferred technical solution of the utility model, the end of the shaft rod located outside the valve seat is connected to a knob cap, and the end of the knob rod located inside the valve seat is threadedly extended to the outside of the shaft rod.

[0008] As a preferred technical solution of the utility model, the valve seat is a T-shaped structure, and one end of the valve seat is internally threadedly connected to an air intake pipeline joint.

[0009] As a preferred technical solution of the utility model, a sealing gasket is arranged between the inside of the valve seat and the air intake pipe joint, and one end of the air intake pipe joint is connected to the air intake pipe body.

[0010] The utility model has the following advantages: the effective opening of the air inlet port of the ball valve core can be adjusted by simply turning the knob cap; when the adjustment is completed, the knob rod is tightened, so that the knob rod thread extends to and is squeezed on the shaft rod, thereby effectively preventing the shaft rod from automatically rotating, thereby simple operation, high controllability, and effectively ensuring the maximum amount of gas that can enter the cylinder body. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model;

[0012] Figure 2 It is a schematic diagram of a uniformly distributed cross-sectional structure of a preferred embodiment of the utility model;

[0013] Figure 3 It is a schematic diagram of the cross-sectional structure of the valve seat of the preferred embodiment of the utility model.

[0014] Explanation of the accompanying drawings: 1. Cylinder body; 2. Tail seat; 3. Front seat; 4. Inlet seat; 401, Inlet port; 5. Valve seat; 6. Ball valve core; 7. Shaft rod; 8. Knob rod; 9. Sealing ring; 10. Bearing; 11. Knob cap; 12. Inlet pipe joint; 13. Sealing gasket; 14. Inlet pipe body. DETAILED DESCRIPTION

[0015] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] The utility model will be further described below in conjunction with the accompanying drawings.

[0018] Please refer to Figure 1-Figure 3 The utility model discloses a cylinder air inlet connection and adjustment device, comprising: a cylinder body 1, one end of the cylinder body 1 is connected to a tail seat 2, the other end of the cylinder body 1 is connected to a front seat 3, the same side of the tail seat 2 and the front seat 3 are fixedly connected to an air inlet seat 4 by screws, the upper end of the air inlet seat 4 is connected to a valve seat 5, a spherical valve core 6 is movably connected inside the valve seat 5, a shaft rod 7 is connected to the top of the spherical valve core 6, and a knob rod 8 is threadedly connected inside the side of the upper end of the valve seat 5 facing the shaft rod 7.

[0019] Combination Figure 2 and Figure 3 As shown, a sealing ring 9 is provided at one end of the shaft rod 7 above the spherical valve core 6, a bearing 10 is connected to one side of the shaft rod 7 above the sealing ring 9, the shaft rod 7 is connected to the inside of the valve seat 5 through the bearing 10, an air inlet 401 is provided at the connection between the air inlet seat 4 and the valve seat 5, and a right-angled flow groove is provided inside the spherical valve core 6, so as to facilitate the adjustment of the air intake size by rotating the spherical valve core 6.

[0020] Among them, the shaft rod 7 is located at one end outside the valve seat 5 and is connected to a knob cap 11, the knob rod 8 is located at one end inside the valve seat 5 and is threadedly extended to the outside of the shaft rod 7, the valve seat 5 is a T-shaped structure, and the internal thread of one end of the valve seat 5 is connected to an intake pipe connector 12, a sealing gasket 13 is arranged between the inside of the valve seat 5 and the intake pipe connector 12, and one end of the intake pipe connector 12 is connected to an intake pipe main body 14.

[0021] Specifically, when the utility model is used, the gas in the intake pipe body 14 enters the valve seat 5, and the gas entering the valve seat 5 passes through the right-angle flow groove in the ball valve core 6 and then enters the cylinder body 1. At this time, it is only necessary to manually turn the knob cap 11, and then the knob cap 11 will rotate with the shaft rod 7, and then the shaft rod 7 will rotate with the ball valve core 6, and then the effective opening of the intake port of the ball valve core 6 can be adjusted. After the adjustment is completed, tighten the knob rod 8, so that the knob rod 8 thread extends to and squeezes on the shaft rod 7, thereby effectively preventing the shaft rod 7 from rotating automatically.

[0022] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0023] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A cylinder air inlet connection adjustment device, comprising: A cylinder body (1), characterized in that one end of the cylinder body (1) is connected to a tail seat (2), and the other end of the cylinder body (1) is connected to a front seat (3); the tail seat (2) and the front seat (3) are both connected to an air intake seat (4) on the same side by screws; the upper end of the air intake seat (4) is connected to a valve seat (5); a spherical valve core (6) is movably connected inside the valve seat (5); a shaft rod (7) is connected to the top of the spherical valve core (6); and a knob rod (8) is internally threadedly connected to the side of the upper end of the valve seat (5) facing the shaft rod (7).

2. A cylinder air inlet connection adjustment device as claimed in claim 1, characterized in that: A sealing ring (9) is provided at one end of the shaft rod (7) located above the spherical valve core (6), a bearing (10) is connected to one side of the shaft rod (7) located above the sealing ring (9), and the shaft rod (7) is connected to the inside of the valve seat (5) through the bearing (10).

3. A cylinder air inlet connection adjustment device as claimed in claim 1, characterized in that: The air inlet seat (4) is provided with an air inlet (401) at the connection with the valve seat (5), and the spherical valve core (6) is provided with a right-angled flow groove inside.

4. A cylinder air inlet connection adjustment device as claimed in claim 1, characterized in that: One end of the shaft rod (7) located outside the valve seat (5) is connected to a knob cap (11), and one end of the knob rod (8) located inside the valve seat (5) is threadedly extended to the outside of the shaft rod (7).

5. A cylinder air inlet connection adjustment device as claimed in claim 1, characterized in that: The valve seat (5) is a T-shaped structure, and one end of the valve seat (5) is internally threadedly connected to an air intake pipeline connector (12).

6. A cylinder air inlet connection adjustment device as claimed in claim 1, characterized in that: A sealing gasket (13) is provided between the interior of the valve seat (5) and the air intake pipe joint (12), and one end of the air intake pipe joint (12) is connected to an air intake pipe body (14).

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