Cylinder body structure and air cylinder

Abstract

The cylinder body structure comprises a cylinder body, lifting lugs are fixedly arranged at the two ends of the cylinder body respectively, and each lifting lug comprises a connecting part and two lifting parts integrally arranged at the two ends of the connecting part respectively; the connecting part is of an arc structure matched with the outer side face of the cylinder body, and the side face of the connecting part is integrally connected with the outer side face of the cylinder body. The two lifting parts are of L-shaped structures protruding out of the outer side face of the cylinder body. The lifting lug is of an integrated structure and is integrally connected with the cylinder body, so that the mechanical strength of the lifting lug can be improved, the connecting strength between the lifting lug and the cylinder body can be improved, the problem that the lifting lug is prone to breakage due to welding stress concentration is solved, the lifting lug is prevented from loosening, stable running of a vehicle is guaranteed, and driving is safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wind cylinder technical field, especially a kind of cylinder body structure and wind cylinder. BACKGROUND

[0002] The wind cylinder is a high-pressure container for storing compressed air generated by an air compressor, and is a key component in the braking system of a rail vehicle. It is mainly used to control the braking, pressure maintaining and relief of the main valve of a distribution valve. When the braking mechanism needs to brake, the braking command is transmitted to the working wind cylinder through the pipeline, so that the piston in the working wind cylinder moves forward, thereby pushing the braking mechanism to brake. When the braking command is cancelled, the spring in the working wind cylinder will move the piston backward, thereby relieving the braking mechanism.

[0003] The cylinder body of the wind cylinder of the existing rail vehicle is usually welded with an ear, so that the wind cylinder is hung on an accessory by means of the ear. The ear is usually an angle steel or a butterfly-shaped wind cylinder hook. However, the welding stress is concentrated at the welding position of the ear and the cylinder body. During the operation of the rail vehicle, the ear vibrates with the vehicle body, and the welding position of the ear is prone to breakage, which causes the vehicle to stop and affects the normal operation of the vehicle, and the safety of train operation cannot be guaranteed. SUMMARY

[0004] The utility model aims to provide a kind of cylinder body structure and wind cylinder, and the ear is integrated structure, and the ear is integrally connected with cylinder body, solve the technical problem that the ear of existing wind cylinder is influenced train safety due to breakage.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of cylinder body structure, including cylinder body, and the ear is integrally arranged on the both ends of the cylinder body, and the ear includes connecting portion and two lifting portions integrally arranged on the both ends of the connecting portion;The connecting portion is a circular arc structure consistent with the outer side of the cylinder body, and the side of the connecting portion is integrally connected with the outer side of the cylinder body;Two lifting portions are L-shaped structures protruding from the outer side of the cylinder body.

[0006] Preferably, the lifting portion includes a support plate and an extension plate connected perpendicularly, and the support plate is connected between the extension plate and the connecting portion;The extension plate is provided with a lifting hole;The support plates of the two lifting portions are respectively parallel to the center line of the cylinder body;The support plate and the connecting portion are angularly arranged and smoothly connected by a round corner;The support plate and the extension plate are smoothly connected by a round corner.

[0007] Preferably, the side of the support plate and the extension plate away from the cylinder body is fixedly provided with an outer reinforcing plate, and the side of the support plate and the connecting portion towards the cylinder body is fixedly provided with an inner reinforcing plate.

[0008] Preferably, the connecting portion is provided with a weight-reducing hole.

[0009] Preferably, the lifting lug is integrally connected to the cylinder body by a cured fiber filament; the outer side of the cylinder body is provided with two grooves to prevent the fiber filament from slipping, and the two grooves are located on both sides of the connection part.

[0010] Preferably, the outer side of the cylinder body is provided with two inclined surfaces, which are located at the two ends of the groove respectively; the inclined surfaces are used to guide the fiber filaments to attach to the connecting part.

[0011] Preferably, the cylinder body is covered with protective sleeves at both ends.

[0012] Preferably, the protective sleeve is a polypropylene plastic foam sleeve.

[0013] The cylinder is equipped with an inner liner, and the side wall of the inner liner is integrally formed with a drain pipe. The drain pipe passes through the side wall of the cylinder and extends out of the cylinder body.

[0014] This utility model also provides an air cylinder, including the above-described cylinder structure.

[0015] Compared to the prior art, this utility model optimizes the lifting lug structure of the cylinder body. The optimized lifting lug includes a connecting part and two lifting parts that are integrally set at both ends of the connecting part. The side of the connecting part is integrally connected to the outer side of the cylinder body. In other words, the lifting lug in this utility model is an integral structure and is integrally connected to the cylinder body. This can improve the mechanical strength of the lifting lug and the connection strength between the lifting lug and the cylinder body, eliminate the problem of easy breakage caused by welding stress concentration, prevent the lifting lug from loosening, ensure stable vehicle operation, and make driving safer. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the cylinder structure provided in an embodiment of the present utility model;

[0018] Figure 2 for Figure 1 Side view;

[0019] Figure 3 for Figure 1 Top view of the central lifting lug;

[0020] Figure 4 for Figure 3 The main view.

[0021] The attached figures are labeled as follows:

[0022] Cylinder block 1 and lifting lug 2;

[0023] Groove 11, inclined surface 12, protective sleeve 13 and drain pipe 14;

[0024] Connecting part 21, lifting part 22, outer reinforcing plate 23 and inner reinforcing plate 24;

[0025] Weight reduction hole 211;

[0026] Support plate 221 and extension plate 222. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] This utility model discloses a cylinder structure, as shown in the attached figure. Figure 1 and 2 As shown, the device includes a cylinder body 1, which is preferably cylindrical. The cylinder body 1 contains an inner liner, which is a blow-molded plastic liner. The cylinder body 1 is formed by curing carbon fiber wound around the inner liner, achieving an integrated design between the cylinder body 1 and the inner liner. This ensures a firm connection between the cylinder body 1 and the inner liner, preventing the inner liner from loosening and affecting the sealing performance of the cylinder structure, thus effectively extending the service life of the cylinder structure.

[0030] Lifting lugs 2 are fixed at both ends of the cylinder body 1, allowing the cylinder body 1 to be suspended from the accessories by means of the lifting lugs 2. (See attached image) Figure 3 and 4 As shown, the lifting lug 2 includes a connecting part 21 and two lifting parts 22 integrally disposed at both ends of the connecting part 21. In this utility model, the lifting lug 2 is an integral structure, which improves the mechanical strength of the lifting lug 2.

[0031] The side surface of the connecting part 21 is integrally connected with the outer side surface of the cylinder body 1, specifically, the connecting part 21 of the lifting lug 2 is firstly positioned and bonded with the outer side surface of the cylinder body 1, and then the connecting part 21 of the lifting lug 2 and the outer side surface of the cylinder body 1 are wound with carbon fibers, the connecting strength between the lifting lug 2 and the cylinder body 1 is enhanced through carbon fiber curing, and the lifting lug 2 is integrally connected with the cylinder body 1, compared with the existing welding mode, the connecting strength between the lifting lug 2 and the cylinder body 1 is improved, the fracture of the lifting lug 2 caused by the concentrated stress generated by welding is avoided, and the risk of loosening of the lifting lug 2 is reduced.

[0032] Considering that the outer side surface of the cylinder body 1 is in a cylindrical shape, the connecting part 21 is in a circular arc structure, the circular arc structure is matched with the outer side surface of the cylinder body 1, the connecting part 21 is ensured to be tightly attached to the outer side surface of the cylinder body 1, and the contact area of the connecting part 21 and the cylinder body 1 is increased. The two lifting parts 22 are in L-shaped structures and are arranged to protrude from the outer side surface of the cylinder body 1 and are used for being hung on the accessory.

[0033] The lifting lug 2 is in an integral structure and is integrally connected with the cylinder body 1, the mechanical strength of the lifting lug 2 is improved, the connecting strength between the lifting lug 2 and the cylinder body 1 is improved, the fracture problem of the lifting lug 2 caused by welding stress concentration is eliminated, the loosening of the lifting lug 2 is avoided, the stable operation of the vehicle is ensured, and the driving is safer.

[0034] As shown in FIGS. 1 and 2, the lifting lug 2 is integrally connected with the cylinder body 1, and the lifting lug 2 is integrally connected with the cylinder body 1 through the connecting part 21. Figure 3 and 4 As shown in FIGS. 1 and 2, the lifting lug 2 is integrally connected with the cylinder body 1, and the lifting lug 2 is integrally connected with the cylinder body 1 through the connecting part 21.

[0035] As shown in FIGS. 1 and 2, the lifting lug 2 is integrally connected with the cylinder body 1, and the lifting lug 2 is integrally connected with the cylinder body 1 through the connecting part 21. Figure 3 and 4As shown, the support plate 221 and the extension plate 222 are both fixed with an outer reinforcing plate 23 away from one side of the cylinder body 1, for enhancing the connection strength between the support plate 221 and the extension plate 222. The support plate 221 and the connecting part 21 are both fixed with an inner reinforcing plate 24 towards one side of the cylinder body 1, for enhancing the connection strength between the support plate 221 and the connecting part 21. The setting of the outer reinforcing plate 23 and the inner reinforcing plate 24 can enhance the mechanical strength of the lifting lug 2 to a certain extent, improve the deformation resistance of the lifting lug 2, and extend the service life of the lifting lug 2. Specifically, each lifting part 22 is provided with an outer reinforcing plate 23 on each side, and the outer reinforcing plate 23 is provided with a circular arc groove away from the lifting part 22. Each end of the connecting part 21 is provided with an inner reinforcing plate 24 on each side, each inner reinforcing plate 24 is provided with a circular arc groove away from the connecting part 21, and each inner reinforcing plate 24 is formed in a V-shaped structure along the two sides.

[0036] As shown in the accompanying drawings, Figure 3 The connecting part 21 is provided with a weight-reducing hole 211 for reducing the weight of the lifting lug 2, so that the lifting lug 2 meets the lightweight design requirement. Specifically, the connecting part 21 is provided with three weight-reducing holes 211, each of which is a round through hole, and the three weight-reducing holes 211 are arranged at equal intervals along the length direction of the connecting part 21.

[0037] The lifting lug 2 and the cylinder body 1 are integrally connected by the cured fiber filaments; the outer side of the cylinder body 1 is provided with two grooves 11 for preventing the fiber filaments wound on the lifting lug 2 from sliding sideways, and avoiding the unreliable connection of the lifting lug 2 and the cylinder body 1 due to uneven winding of the fiber filaments. The two grooves 11 are respectively located on the two sides of the connecting part 21, and the cross section of the groove 11 can be V-shaped.

[0038] As shown in the accompanying drawings, Figure 3 The outer side of the cylinder body 1 is provided with two inclined surfaces 12, and the two inclined surfaces 12 are respectively located at the two ends of the two grooves 11; the inclined surface 12 is used to guide the fiber filaments to adhere to the connecting part 21 of the lifting lug 2, and prevent the wound fiber filaments from being suspended to cause the lifting lug 2 to be not firmly fixed.

[0039] As shown in the accompanying drawings, Figure 1 and 2 The two ends of the cylinder body 1 are wrapped with a protective sleeve 13 for protection when the cylinder body 1 falls. The protective sleeve 13 is a polypropylene plastic foam sleeve, so that the protective sleeve 13 has good damping effect. Of course, the material of the protective sleeve 13 is not limited to this.

[0040] The cylinder body 1 is internally provided with an inner container, the side wall of the inner container is integrally formed with a drain pipe 14, the drain pipe 14 penetrates through the side wall of the cylinder body 1 and extends out of the cylinder body 1. The cylinder body 1 is formed with exhaust ports at two ends, and the exhaust ports are provided with sealing structures. It should be noted that, before the cylinder body 1 is formed, the sealing mechanism and the drain pipe 14 need to be assembled on the inner container in advance, and then the cylinder body 1 is formed by solidifying and winding carbon fibers, so that the connection between the cylinder body 1 and the inner container is reliable, and the sealing structure and the drain pipe 14 are prevented from falling off.

[0041] The utility model still provides a kind of air cylinder, including above-mentioned cylinder body structure, with same beneficial effect.

[0042] It should be noted that, in the present specification, the relationship terms such as first and second are only used to distinguish one entity from another, and do not necessarily require or imply any such actual relationship or order between the entities.

[0043] In this paper, the principles and implementation methods of the utility model are described by using specific examples. The above examples are only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the art, without departing from the principles of the utility model, the utility model can be improved and modified in several ways. These improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A cylinder block structure, characterized in that, The cylinder (1) includes a cylinder body (1), and lifting lugs (2) are fixed at both ends of the cylinder body (1). The lifting lugs (2) include a connecting part (21) and two lifting parts (22) integrally provided at both ends of the connecting part (21). The connecting part (21) is an arc structure that matches the outer side of the cylinder body (1), and the side of the connecting part (21) is integrally connected to the outer side of the cylinder body (1). The two lifting parts (22) are L-shaped structures that protrude from the outer side of the cylinder body (1).

2. The cylinder block structure according to claim 1, characterized in that, The lifting part (22) includes a support plate (221) and an extension plate (222) connected vertically. The support plate (221) is connected between the extension plate (222) and the connecting part (21). The extension plate (222) is provided with a lifting hole. The support plates (221) of the two lifting parts (22) are parallel to the center line of the cylinder (1). The support plate (221) and the connecting part (21) are set at an angle and are smoothly connected by rounded corners. The support plate (221) and the extension plate (222) are smoothly connected by rounded corners.

3. The cylinder block structure according to claim 2, characterized in that, An outer reinforcing plate (23) is fixed on the side of the support plate (221) and the extension plate (222) away from the cylinder (1), and an inner reinforcing plate (24) is fixed on the side of the support plate (221) and the connecting part (21) facing the cylinder (1).

4. The cylinder block structure according to any one of claims 1 to 3, characterized in that, The connecting part (21) is provided with a weight reduction hole (211).

5. The cylinder block structure according to any one of claims 1 to 3, characterized in that, The lifting lug (2) is integrally connected to the cylinder (1) by a solidified fiber filament; the outer side of the cylinder (1) is provided with two grooves (11) to prevent the fiber filament from slipping, and the two grooves (11) are located on both sides of the connecting part (21).

6. The cylinder block structure according to claim 5, characterized in that, The outer side of the cylinder (1) is provided with two inclined surfaces (12), which are located at the two ends of the groove (11); the inclined surfaces (12) are used to guide the fiber filaments to attach to the connecting part (21).

7. The cylinder block structure according to claim 5, characterized in that, The cylinder body (1) is covered with protective sleeves (13) at both ends.

8. The cylinder block structure according to claim 7, characterized in that, The protective sleeve (13) is a polypropylene plastic foam sleeve.

9. The cylinder block structure according to any one of claims 1 to 3, characterized in that, The cylinder (1) is provided with an inner liner, and the side wall of the inner liner is integrally formed with a drain pipe (14). The drain pipe (14) passes through the side wall of the cylinder (1) and extends outside the cylinder (1).

10. A type of air cylinder, characterized in that, Includes the cylinder block structure as described in any one of claims 1 to 9.

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