Anti-vibration plastic air cylinder with valve

Abstract

The utility model provides an anti-vibration plastic air cylinder with a valve, the anti-vibration plastic air cylinder with the valve is used for a yarn lifting cylinder, the air cylinder with the valve comprises a cylinder body, a front cover assembly, a piston assembly and an electromagnetic valve, the piston assembly is arranged in the cylinder body, the front cover assembly is arranged on the cylinder body, and the electromagnetic valve is arranged on the cylinder body; wherein the cylinder body is provided with a plurality of insert grooves, and the plurality of insert nuts are arranged in the plurality of insert grooves; a plurality of screw holes comprising steps are formed in the positions, corresponding to the insert grooves, of the electromagnetic valve, screws penetrate through the screw holes to be connected with the insert nuts in a screwed mode and used for locking the electromagnetic valve and the cylinder body, and the depth of the steps of the screw holes is larger than the height of flanges of the screws. The embedded anti-rotation insert nut is designed at the connecting port of the air cylinder and the electromagnetic valve, the screw is connected with the insert nut, and the elastic washer and the thread glue are added, so that the structural stability is greatly enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of textile machines, in particular to a high-performance anti-vibration plastic cylinder with a valve for lifting a yarn drum. Background Art

[0002] In textile machines, it is inevitable to use cylinders for starting, stopping or reversing work, such as the cylinder used to lift the yarn tube. This is a non-standard cylinder used in the textile industry. The prior art structure of this non-standard cylinder is a plastic valve cylinder, in which the cylinder and the solenoid valve are connected with self-tapping screws. The self-tapping screws are connected to the plastic and are easy to loosen when used in textile machinery with a vibrating environment, causing functional failure.

[0003] Therefore, the cylinder used for lifting the yarn tube in the prior art also has room for improvement. Utility Model Content

[0004] In view of the above-mentioned defects, the purpose of the utility model is to provide a high-performance vibration-resistant plastic valved cylinder for lifting a yarn drum, so as to solve the problems of the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A vibration-resistant plastic valved cylinder for lifting a yarn tube, the valved cylinder comprising a cylinder body, a front cover assembly, a piston assembly and a solenoid valve, the piston assembly being arranged in the cylinder body, the front cover assembly being arranged on the cylinder body, and the solenoid valve being arranged on the cylinder body; wherein the cylinder body is provided with a plurality of insert grooves, and a plurality of insert nuts are arranged in the plurality of insert grooves; the solenoid valve is provided with a plurality of screw holes including steps at positions corresponding to the plurality of insert grooves, the screws pass through the screw holes and are screwed to the insert nuts for locking the solenoid valve and the cylinder body, and the step depth of the screw hole is greater than the height of the flange of the screw.

[0007] According to the vibration-resistant plastic valved cylinder described in the embodiment of the present application, the valved cylinder further includes a plurality of elastic washers, which are arranged in the screw holes for stably threading the screws and the insert nuts.

[0008] According to the vibration-resistant plastic valved cylinder described in the embodiment of the present application, the valved cylinder further includes a thread sealant, which is arranged in the screw hole to stably connect the screw and the insert nut.

[0009] According to the vibration-resistant plastic valved cylinder described in the embodiment of the present application, the piston assembly includes a piston and a piston rod, a thread and a positioning hole are provided on one end of the piston rod facing the piston, and the piston and the piston rod are integrally made by injection molding.

[0010] According to the vibration-resistant plastic valved cylinder described in the embodiment of the present application, the front cover assembly includes a front cover and a front cover plate, the front cover and the front cover plate are connected by ultrasonic welding, the front cover includes a plurality of front cover barbs, the cylinder body is provided with a plurality of cylinder body connecting holes corresponding to the positions of the plurality of front cover barbs, and the plurality of front cover barbs are clamped and connected to the plurality of cylinder body connecting holes.

[0011] According to the vibration-resistant plastic valved cylinder described in the embodiment of the present application, the valved cylinder further includes a plurality of mufflers, the solenoid valve is provided with a plurality of muffler accommodating holes, and the plurality of mufflers are immersed in the plurality of muffler accommodating holes.

[0012] The design concept of the present application is to design a cylinder for lifting the yarn drum. Except for the piston rod and the sealing ring, the rest of the main body of the cylinder is made of plastic structure; among them, the connection interface between the cylinder and the solenoid valve is designed as an embedded anti-rotation insert nut, the screw is connected to the insert nut, and elastic washers and thread glue are added, so that the structural stability is greatly enhanced and vibration-resistant; in addition, the exhaust hole of the solenoid valve and the muffler on the exhaust hole are built-in to prevent the muffler from being damaged or falling when hit by foreign objects; in addition, the structure of the front cover sealing ring position is divided into the front cover and the front cover plate, and connected by ultrasonic welding, which can effectively avoid the air hole phenomenon after the plastic front cover is machined and prevent cylinder leakage.

[0013] Due to the adoption of the above technical features, the utility model has the following advantages and positive effects compared with the prior art:

[0014] First, the connection interface between the cylinder and the solenoid valve of the present application is designed as an embedded anti-rotation insert nut, the screw is connected to the insert nut, and an elastic washer and thread glue are added, so that the structural stability is greatly enhanced;

[0015] Second, the muffler of the present application is built-in to prevent the muffler from being damaged or falling when hit by foreign objects;

[0016] Third, the ultrasonic welding of the front cover and the front cover plate of the present invention can effectively avoid the air hole phenomenon after the plastic front cover is machined, and prevent the cylinder from leaking.

[0017] Of course, any specific embodiment of the present invention does not necessarily have all of the above technical effects at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cross-sectional schematic diagram of a valved cylinder of the present application;

[0019] Figure 2 This is a schematic diagram of the appearance of the valved cylinder of the present application;

[0020] Figure 3This is a schematic diagram of the appearance of the valve cylinder of the present application from another angle;

[0021] Figure 4 It is a schematic diagram of the piston assembly of the present application;

[0022] Figure 5 is a schematic cross-sectional view of the front cover assembly of the present application;

[0023] Figure 6 It is a schematic diagram of the solenoid valve of this application. DETAILED DESCRIPTION

[0024] For ease of understanding, preferred embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

[0025] Please refer to Figure 1 and Figure 2 The present application provides a cross-sectional schematic diagram and an appearance schematic diagram of a valved cylinder. The present application provides a valved cylinder for lifting yarn tubes, and the cylinder body is entirely made of plastic structure; the cylinder and the solenoid valve are connected using anti-rotation insert nuts and screws, and elastic washers and threaded glue are added to greatly enhance the structural stability; the muffler of the solenoid valve exhaust hole is lower than the surface of the solenoid valve to prevent the muffler from being damaged or falling when hit by foreign objects; the front cover sealing ring is divided into the front cover and the front cover plate, which are connected by ultrasonic welding, which can effectively avoid the air hole phenomenon that occurs after the plastic front cover is machined and prevent cylinder leakage. It is a high-performance, vibration-resistant plastic valved cylinder.

[0026] like Figure 1 As shown, the valved cylinder includes a cylinder body 10, a front cover assembly 20, a piston assembly 30 and a solenoid valve 40, wherein the piston assembly 30 is arranged in the cylinder body 10, the front cover assembly 20 is arranged on the cylinder body 10, and the solenoid valve 40 is arranged on the cylinder body 10. The cylinder body 10 adopts an integral injection molding to simplify the structure, reduce leakage points, and avoid the risk of structural separation during use; the specific connection method is as follows Figure 2 As shown, the cylinder body 10 is provided with a plurality of insert grooves 11, and a plurality of insert nuts 12 are arranged in the plurality of insert grooves 11. The plurality of insert nuts 12 can be arranged in the plurality of insert grooves 11 by injection or press-in. The plurality of insert nuts 12 after assembly are anti-rotation insert nuts, which are convenient for locking; the solenoid valve 40 is provided with a plurality of screw holes 41 including steps at positions corresponding to the plurality of insert grooves 11, and screws 50 penetrate through the screw holes 41 and are screwed to the insert nuts 12 for locking the solenoid valve 40 and the cylinder body 10. The step depth of the screw hole 41 is greater than the height of the flange of the screw 50. After locking, the screw 50 is immersed in the surface of the solenoid valve and will not collide with external objects to cause damage; as shown Figure 3As shown, the number of screws 50 and screw holes 41 in the embodiment of the present application is three, but this cannot be used to limit the present application. As long as the number can ensure a stable connection, it should be within the protection scope of the present application.

[0027] Figure 2 In the embodiment, the valved cylinder further comprises a plurality of elastic washers 60, which are arranged in the screw hole 41 for stably threading the screw 50 and the insert nut 12. During assembly, the screw 50 passes through the middle through hole of the elastic washer 60 and is locked with the insert nut 12. The connection between the screw 50 and the insert nut 12 and the addition of the elastic washer 60 greatly enhance the structural stability. In addition, the valved cylinder further comprises a thread glue, which is arranged in the screw hole 41 for stably connecting the screw 50 and the insert nut 12.

[0028] Please refer to Figure 4 Schematic diagram of the piston assembly of the present application, the piston assembly 30 includes a piston 31 and a piston rod 32, the piston rod 32 is provided with a thread and a positioning hole 33 at one end facing the piston 31, and the piston 31 and the piston rod 32 are made of integral injection molding, that is, the piston rod 32 is first processed, and a thread and a positioning hole 33 are provided at one end of the piston rod 32, and finally the piston 31 and the piston rod 32 are injection molded on an injection molding machine; the piston 31 and the piston rod 32 of the present application are integrally injection molded, the head of the piston rod 32 is threaded, which can effectively prevent it from being pulled off, and the positioning hole 33 is provided at the thread of the piston rod 32, which can effectively prevent it from rotating.

[0029] Please refer to Figure 5 The front cover assembly of the present application is a cross-sectional schematic diagram, wherein the front cover assembly 20 includes a front cover 21 and a front cover plate 22, wherein the front cover 21 and the front cover plate 22 are connected by ultrasonic welding, which can effectively avoid the air hole phenomenon after the plastic front cover is machined and prevent the cylinder from leaking, wherein the front cover 21 includes a plurality of front cover barbs 211, wherein the front cover barbs 211 are a sloped protrusion, and in the embodiment of the present application, the number of the front cover barbs 211 is four, but this cannot be used to limit the present application, and any number that can be stably connected should be within the protection scope of the present application; please refer to Figure 3 The cylinder body 10 is provided with a plurality of cylinder body connecting holes 13 corresponding to the positions of the plurality of front cover hooks 211. During assembly, the front cover 21 is pressed into the cylinder body 10 from the left side to the right side in the figure. When the front cover hooks 211 completely enter the cylinder body connecting holes 13, the plurality of front cover hooks 211 are locked and connected to the plurality of cylinder body connecting holes 13 to fix the front cover 21 and the cylinder body 10 in connection.

[0030] Please refer to Figure 6Schematic diagram of the solenoid valve of the present application, the valved cylinder also includes a plurality of mufflers 70, the solenoid valve 40 is provided with a plurality of muffler accommodating holes, the plurality of mufflers 70 are immersed in the plurality of muffler accommodating holes, and the exhaust hole of the solenoid valve and the muffler on the exhaust hole are both built-in in the present application to prevent the muffler from being damaged or falling off when hit by foreign objects, thereby improving the service life.

[0031] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying 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 application. The terms "install", "connect", and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0032] Due to the adoption of the above technical features, the utility model has the following advantages and positive effects compared with the prior art:

[0033] First, the connection interface between the cylinder and the solenoid valve of the present application is designed as an embedded anti-rotation insert nut, the screw is connected to the insert nut, and an elastic washer and thread glue are added, so that the structural stability is greatly enhanced;

[0034] Second, the muffler of the present application is built-in to prevent the muffler from being damaged or falling when hit by foreign objects;

[0035] Third, the ultrasonic welding of the front cover and the front cover plate of the present invention can effectively avoid the air hole phenomenon after the plastic front cover is machined, and prevent the cylinder from leaking.

[0036] The above disclosure is only a preferred embodiment of the present invention, but is not intended to limit itself. Any equivalent changes and modifications made by any technician familiar with the field without violating the spirit and connotation of the present invention should fall within the protection scope of the present invention.

Claims

1. A vibration-resistant plastic cylinder with valve, used for lifting yarn bobbins, characterized in that: The valved cylinder comprises a cylinder body, a front cover assembly, a piston assembly and a solenoid valve, wherein the piston assembly is arranged in the cylinder body, the front cover assembly is arranged on the cylinder body, and the solenoid valve is arranged on the cylinder body; wherein, The cylinder body is provided with a plurality of insert grooves, and a plurality of insert nuts are arranged in the plurality of insert grooves; The solenoid valve has multiple screw holes with steps at positions corresponding to the multiple insert slots. Screws pass through the screw holes and are screwed onto the insert nuts to lock the solenoid valve and the cylinder body. The step depth of the screw holes is greater than the height of the screw flange.

2. The vibration-resistant plastic valved cylinder according to claim 1, characterized in that: The valved cylinder further comprises a plurality of elastic washers, which are arranged in the screw holes for stably threading the screws and the insert nuts.

3. The vibration-resistant plastic valved cylinder according to claim 2, characterized in that: The valved cylinder further comprises a thread sealant, which is arranged in the screw hole for stably connecting the screw and the insert nut.

4. The vibration-resistant plastic valved cylinder according to claim 3, characterized in that: The piston assembly comprises a piston and a piston rod. A thread and a positioning hole are provided at one end of the piston rod facing the piston. The piston and the piston rod are integrally formed by injection molding.

5. The vibration-resistant plastic valved cylinder according to claim 4, characterized in that: The front cover assembly includes a front cover and a front cover plate, the front cover and the front cover plate are connected by ultrasonic welding, the front cover includes a plurality of front cover barbs, the cylinder body is provided with a plurality of cylinder body connecting holes corresponding to the positions of the plurality of front cover barbs, and the plurality of front cover barbs are clamped and connected to the plurality of cylinder body connecting holes.

6. The vibration-resistant plastic valved cylinder according to claim 5, characterized in that: The valved cylinder further comprises a plurality of mufflers, the solenoid valve is provided with a plurality of muffler accommodating holes, and the plurality of mufflers are immersed in the plurality of muffler accommodating holes.

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