CN217130194U

CN217130194U - Air spring sealing structure

Info

Publication number: CN217130194U
Application number: CN202122439662.7U
Authority: CN
Inventors: 王国梁
Original assignee: Wuxi Kaiyada Door And Window Accessories Co ltd
Current assignee: Wuxi Kaiyada Door And Window Accessories Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-08-05
Anticipated expiration: 2031-10-11

Abstract

The utility model provides an air spring seal structure relates to air spring technical field, including vehicle bottom dish, bogie, apron, air spring, fixed plate B, waist ring, the vehicle bottom dish is provided with the bogie, and bogie and vehicle bottom dish opposite face all have the apron through bolted connection, are provided with air spring between the apron, are provided with the waist ring in the middle of the air spring outside, and the equal fixed mounting in both ends has fixed plate B about the air spring, and fixed plate B is cyclic annular setting. The utility model discloses when well staff slided into apron outside spout with the slider on both ends fixed plate B surface about the air spring, will make the closing plate slide into the seal groove at slider top in, carry out the sealed back with the air spring inside air, staff rotated fixed plate B and drives slider outer wall fixture block B and rotate, after making agree with the joint between fixture block B and the fixture block A, the staff will lap and fix through the bolt between the slider.

Description

Air spring sealing structure

Technical Field

The utility model relates to an air spring technical field, more specifically relates to an air spring seal structure.

Background

The air spring is a spring which can utilize air to perform elastic action after compressed air is filled in the telescopic closed space.

The retrieval shows that the air pressure sealed rubber air spring has a bag type air spring with the air pressure sealing structure of the telescopic column, compared with an air bag connecting mode of the existing spring which only uses a conical surface of a clamping ring as a stress structure, the telescopic column is arranged between the clamping ring and a sealing cover to supplement the insufficient connection strength when the interference is insufficient, so that the problem of easy disengagement is avoided, the interference problem does not need to be considered too much when the clamping ring is manufactured, the interference is compatible downwards, products with large interference in order to meet the interference requirement in processing can be greatly reduced, the connecting structure can greatly improve the transverse acting force which can be borne by the air spring, and the air pressure sealed rubber air spring can temporarily bear the external force exceeding the load borne by the connecting part; wherein, the deficiency points are as follows:

this kind of air pressure sealed rubber air spring is when installing on subway train and using, because only single carry out fixed seal to the air spring through flexible post air pressure seal structure, make this flexible post slide in the cavity easily, make inside air under the extruded condition, produce the condition of gas leakage through the cavity easily, make this kind of air pressure sealed rubber air spring sealed effect relatively poor, and this kind of air pressure sealed rubber air spring is when using, because do not carry out supplementary shock attenuation to this air spring, make air spring when receiving great external force and producing great action, make the air spring epidermis because of the tension that inside air compression produced easily, cause the damage to the air spring.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background to provide an air spring seal structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air spring seal structure, includes vehicle bottom dish, bogie, apron, air spring, fixed plate B, waist ring, the vehicle bottom dish bottom is provided with the bogie, bogie and vehicle bottom dish opposite face all have the apron through bolted connection, be provided with air spring between the apron, be provided with the waist ring in the middle of the air spring outside, the equal fixed mounting in both ends has fixed plate B about the air spring, fixed plate B is cyclic annular setting, be close to the inside bradyseism mechanism that is provided with of air spring between the apron, be provided with sealed clamping mechanism between fixed plate B and the apron.

Preferably, sealed clamping mechanism comprises spout, closing plate, fixture block A, slider, seal groove, fixture block B, apron outer wall opposite face all imbeds and is provided with the spout, fixed mounting has the closing plate in the middle of the spout inner wall, the equal fixed mounting in spout inner wall one side both ends has fixture block A, the equal fixed mounting in fixed plate B top outer wall has the slider, and the slider agrees with to slide and set up inside the spout, the embedding of slider top is provided with the seal groove, and the closing plate agrees with to slide and set up inboard at the seal groove, the equal fixed mounting in slider outer wall one side both ends has fixture block B, and is the setting of agreeing with the joint between fixture block B and the fixture block A.

Preferably, the bradyseism mechanism comprises bracing piece C, slide bar B and spring, equal fixed mounting has bracing piece C in the middle of the apron outer wall opposite face, it is provided with slide bar B all to slide between the bracing piece C inner wall, the equal elastic connection in bracing piece C outside has the spring.

Preferably, the equal fixed mounting in apron outer wall opposite face has fixed plate A, one equal fixed mounting has bracing piece B around fixed plate A bottom, another fixed plate A top fixed mounting has slide bar A all around, slide bar A agrees with and slides the setting at bracing piece B inboard.

Preferably, the outer surface of the air spring is made of silicon rubber.

Preferably, the outer surface of the air spring is made of foamed rubber.

The utility model provides an air spring seal structure has following beneficial effect:

1. this kind of air spring seal structure is through being provided with closing plate and slider, can make the staff with the air spring about the slider on both ends fixed plate B surface when sliding in apron outside spout, will make in the closing plate slides in the seal groove at slider top, carry out the sealed back with the air spring inside air, the staff rotates fixed plate B and drives slider outer wall fixture block B and rotate, after making agreeable with the joint between fixture block B and the fixture block A, the staff will lap and fix through the bolt between the slider.

2. This kind of air spring seal structure is through being provided with the spring, when can making the subway train travel when producing vibrations, will make air spring bounce back and forth, when weakening the vibrations that the chassis produced, the bracing piece C of apron outer wall opposite face will make slide bar B in bracing piece C inside gliding, the spring in two bracing piece C outsides bounces back and forth, can make the chassis weaken the power that air spring produced, can prevent that air spring can not produce great violent motion.

Drawings

FIG. 1 is a front cross-sectional structural view of an air spring according to the present invention;

fig. 2 is a schematic front sectional structural view of a support rod B of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the front section of the support rod B of the present invention.

In FIGS. 1-4: 1. a chassis; 101. a bogie; 2. a cover plate; 201. a chute; 202. sealing plates; 203. Fixing a plate A; 204. a slide bar A; 205. a support bar B; 206. a clamping block A; 3. an air spring; 301. A fixing plate B; 302. a slider; 3021. a sealing groove; 3022. a clamping block B; 303. a waist ring; 4. a support bar C; 401. a slide bar B; 402. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 4, in the embodiment of the present invention, an air spring sealing structure, including vehicle bottom dish 1, bogie 101, apron 2, air spring 3, fixed plate B301, waist ring 303, vehicle bottom dish 1 bottom is provided with bogie 101, bogie 101 and vehicle bottom dish 1 opposite face all have apron 2 through bolted connection, be provided with air spring 3 between the apron 2, be provided with waist ring 303 in the middle of the 3 outsides of air spring, the equal fixed mounting in both ends has fixed plate B301 about 3 air spring, fixed plate B301 is cyclic annular setting, be close to the inside bradyseism mechanism that is provided with of air spring 3 between the apron 2, be provided with sealed latch mechanism between fixed plate B301 and the apron 2.

Referring to fig. 1, 2, and 3, in the present embodiment: the sealing and clamping mechanism is composed of a sliding groove 201, a sealing plate 202, a fixture block A206, a sliding block 302, a sealing groove 3021 and a fixture block B3022.

Referring to fig. 1, 2, and 3, in the present embodiment: the opposite surfaces of the outer wall of the cover plate 2 are respectively embedded with a sliding groove 201, the middle of the inner wall of the sliding groove 201 is fixedly provided with a sealing plate 202, the two ends of one side of the inner wall of the sliding groove 201 are respectively fixedly provided with a clamping block A206, the outer wall of the top of the fixing plate B301 is respectively fixedly provided with a sliding block 302, the sliding block 302 is arranged in the sliding groove 201 in a matching and sliding manner, the top of the sliding block 302 is embedded with a sealing groove 3021, the sealing plate 202 is arranged in the sealing groove 3021 in the top of the sliding block 302 in a matching and clamping manner, when a worker needs to install the air spring 3 between the subway train chassis 1 and the bogie 101, the sliding blocks 302 on the surfaces of the fixing plates B301 at the upper end and the lower end of the air spring 3 are arranged in the sliding groove outside the cover plate 2, the sealing plate 202 is arranged in the sealing manner, the air inside the air spring 3 is sealed, the worker rotates the fixing plate B301 to drive the fixture block B3022 on the outer wall of the sliding block 302 to rotate, so that after the fixture block B3022 and the fixture block A206 are engaged and clamped, the worker fixes the cover plate 2 and the sliding block 302 through bolts.

Referring to fig. 1 and 2, in the present embodiment: the cushioning mechanism consists of a support rod C4, a sliding rod B401 and a spring 402;

support rods C4 are fixedly mounted in the middle of opposite surfaces of the outer wall of the cover plate 2, sliding rods B401 are arranged between the inner walls of the support rods C4 in a sliding mode, springs 402 are elastically connected to the outer sides of the support rods C4, after the air springs 3 are fixed by workers, the air springs 3 are inflated inside the air springs 3, after the air springs 3 are expanded, when the workers drive subway trains to operate on rails, when the subway trains generate vibration during running, the air springs 3 can bounce back and forth, when the vibration generated by the chassis 1 is weakened, the support rods C4 on the opposite surfaces of the outer wall of the cover plate 2 enable the sliding rods B401 to slide inside the support rods C4, the springs 402 on the outer sides of the two support rods C4 bounce back and forth, the force generated by the chassis 1 on the air springs 3 can be weakened, and the air springs 3 can be prevented from generating large and violent movement.

Referring to fig. 1, 2, and 4, in the present embodiment: the equal fixed mounting in 2 outer wall opposite faces of apron has fixed plate A203, equal fixed mounting has bracing piece B205 all around of a fixed plate A203 bottom, fixed mounting has slide bar A204 all around another fixed plate A203 top, slide bar A204 agrees with and slides and set up in bracing piece B205 inboard, produce vibrations when subway train traveles, when making air spring 3 bounce back and forth and carrying out shock attenuation processing, 2 slide bar A204 all around of apron will be in bracing piece B205 inboard gliding, can make air spring 3 when the function, can not produce the skew.

Referring to fig. 1, 2, and 3, in the present embodiment: the outer surface of the air spring 3 is made of silicon rubber, and the silicon rubber has the characteristics of high elasticity, cold and hot resistance and friction resistance, so that the outer surfaces of the air spring 3 cannot rub with each other to cause abrasion when bouncing back and forth.

As shown in fig. 1, 2 and 3, the utility model discloses outside the embodiment that uses 3 surface materials of air spring to be silicon rubber, still there is another embodiment, and 3 surface materials of air spring are foam rubber, because of the foam rubber material has high elasticity, antifriction's characteristic, can make air spring 3 when making a round trip to bounce, can not make between the outward appearance friction each other cause wearing and tearing in, have the foam rubber of shock resistance elasticity characteristic, can make 3 surface flexibility of air spring higher.

When the air spring sealing structure of the utility model is used, firstly, when an operator needs to install the air spring 3 between the chassis 1 and the bogie 101 of the subway train, when the sliding block 302 on the surface of the fixing plate B301 at the upper and lower ends of the air spring 3 slides into the sliding groove at the outer side of the cover plate 2, the sealing plate 202 slides into the sealing groove 3021 at the top of the sliding block 302, after the air in the air spring 3 is sealed, the operator rotates the fixing plate B301 to drive the clamping block B3022 on the outer wall of the sliding block 302 to rotate, after the clamping block B3022 and the clamping block A206 are engaged and clamped, the operator fixes the cover plate 2 and the sliding block 302 by the bolt, then, the air spring 3 is inflated, after the air spring 3 is inflated, when the operator drives the subway train to operate on the rail, the vibration is generated when the subway train runs, so that the air spring 3 can bounce back and forth, when the vibration generated by the chassis 1 is weakened, the supporting rod C4 on the opposite surface of the outer wall of the cover plate 2 can enable the sliding rod B401 to slide in the supporting rod C4, and the springs 402 on the outer sides of the two supporting rods C4 bounce back and forth, so that the force generated by the chassis 1 on the air spring 3 can be weakened, the air spring 3 can be prevented from generating large and violent movement, and finally, the sliding rods a204 on the periphery of the cover plate 2 can enable the air spring 3 not to generate offset when the air spring operates while the supporting rod B205 slides on the inner side.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides an air spring seal structure, includes vehicle bottom dish (1), bogie (101), apron (2), air spring (3), fixed plate B (301), waist ring (303), vehicle bottom dish (1) bottom is provided with bogie (101), bogie (101) and vehicle bottom dish (1) opposite face all have apron (2) through bolted connection, be provided with air spring (3) between apron (2), be provided with waist ring (303) in the middle of air spring (3) the outside, the equal fixed mounting in both ends has fixed plate B (301) about air spring (3), fixed plate B (301) are cyclic annular setting, its characterized in that: be close to inside bradyseism mechanism that is provided with of air spring (3) between apron (2), be provided with sealed clamping mechanism between fixed plate B (301) and apron (2).

2. An air spring seal structure according to claim 1, wherein: the sealing and clamping mechanism is composed of a sliding groove (201), a sealing plate (202), a fixture block A (206), a sliding block (302), a sealing groove (3021) and a fixture block B (3022).

3. An air spring seal structure according to claim 1, wherein: the utility model discloses a novel fixing structure of a sealing plate, including apron (2), fixed plate B (301), fixed plate B (201), slider (302), apron (2), outer wall opposite face all imbeds and is provided with spout (201), be provided with closing plate (202) in the middle of spout (201) inner wall, spout (201) inner wall one side both ends all set up and are equipped with fixture block A (206), fixed plate B (301) top outer wall all is provided with slider (302), and slider (302) agrees with the activity and sets up inside spout (201), slider (302) top embedding is provided with seal groove (3021), and closing plate (202) agrees with the activity and sets up at seal groove (3021) inboard, the equal fixed mounting in both ends of slider (302) outer wall one side has fixture block B (3022), and is between fixture block B (3022) and fixture block A (206) and agrees with the joint setting.

4. An air spring seal structure according to claim 1, wherein: the cushioning mechanism consists of a support rod C (4), a sliding rod B (401) and a spring (402);

all be provided with bracing piece C (4) in the middle of apron (2) outer wall opposite face, it is provided with slide bar B (401) all to slide between bracing piece C (4) inner wall, the equal elastic connection in bracing piece C (4) outside has spring (402).

5. An air spring seal structure according to claim 1, wherein: the utility model discloses a fixed plate, including apron (2) outer wall opposite surface equal fixed mounting have fixed plate A (203), one fixed plate A (203) bottom all around equal fixed mounting have bracing piece B (205), another fixed plate A (203) top all around fixed mounting have slide bar A (204), slide bar A (204) agree with to slide and set up at bracing piece B (205) inboardly.

6. An air spring seal structure according to claim 1, wherein: the outer surface of the air spring (3) is made of silicon rubber.

7. An air spring seal structure according to claim 1, wherein: the outer surface of the air spring (3) is made of foamed rubber.