Rubber-metal pad outer sleeve with heat preservation structure

Abstract

The utility model relates to the technical field of air spring damping devices, and discloses a rubber-metal pad jacket with a heat preservation structure, which comprises a jacket body, and a mounting hole is arranged at the upper end of the jacket body. Four insulation boards can be mounted on the inner side of the rubber-metal pad jacket with the insulation structure and are separated by partition plates, outer layers are arranged on the outer sides of the insulation boards, convective heat transfer and contact heat transfer can be blocked after vacuum bags are adopted and vacuumized, an inner core board is made of perlite, and a first insulation layer and a second insulation layer are arranged on the two sides of a core rod and are made of PU sponge and rock wool boards respectively. The upper end of the insulation board is installed in a clamping groove, a positioning sleeve is installed at the lower end of the outer sleeve body through threads, the lower end of the insulation board is supported, and a protruding block at the upper end of the positioning sleeve prevents the insulation board from falling off; and therefore, the heat insulation board is very convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to air spring damping device technical field, concretely is a rubber stack outer sleeve with heat preservation structure. BACKGROUND

[0002] Air spring damping device is one of important components in the bogie damper system of high speed train, mainly comprises upper cover, air inlet column, snap ring, air bag, rubber stack, bottom plate and mandrel etc., wherein rubber stack is installed in the inboard of rubber stack outer sleeve, and rubber stack outer sleeve plays the protection effect to rubber stack.

[0003] Now most rubber stack outer sleeves are simple in structure and can only play the protection effect, do not have heat preservation structure, the temperature of the outside of outer sleeve is very low during the running of high speed train, and the heat in the inside is easy to lose, thereby leading to the damage of rubber stack due to low temperature. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] The utility model aims at providing a rubber stack outer sleeve with heat preservation structure to solve the problem that most rubber stack outer sleeves are simple in structure, can only play the protection effect, do not have heat preservation structure, the temperature of the outside of outer sleeve is very low during the running of high speed train, and the heat in the inside is easy to lose, thereby leading to the damage of rubber stack due to low temperature.

[0006] (II) technical scheme

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a rubber stack outer sleeve with heat preservation structure, including outer sleeve body, the upper end of outer sleeve body is equipped with mounting hole, the inboard of outer sleeve body is attached and installed with heat preservation plate, the heat preservation plate includes outer layer, heat preservation layer one, heat preservation layer two and core plate, the inboard of outer sleeve body is fixedly installed with baffle, the upper end in the inside of outer sleeve body is equipped with clamping groove, the lower end in the inside of outer sleeve body is screw-mounted with positioning sleeve, the upper end of positioning sleeve is fixedly installed with lug.

[0008] Preferably, the mounting hole is annularly provided with six about the vertical center line of the outer sleeve body, and the baffle is annularly provided with four about the vertical center line of the outer sleeve body.

[0009] Through the above technical scheme, the bolt is installed in the mounting hole, and the upper end of the outer sleeve body is fixed together with the upper cover of the air spring.

[0010] Preferably, the heat preservation plate is provided with four, the heat preservation plate is attached to the both sides of the baffle, the outer layer is attached to the outer side of heat preservation layer one, heat preservation layer two and core plate respectively, and the outer layer specifically adopts a vacuum bag.

[0011] Through the technical scheme, the four heat preservation plates are placed on the inner side of the outer sleeve body, the partition plate separates the heat preservation plates, the outer layer is arranged on the outer side of the heat preservation layer one, the heat preservation layer two and the core plate, and vacuum is extracted, so that the convection heat transfer and the contact heat transfer are blocked.

[0012] Preferably, the heat preservation layer two is fixedly installed on the outer side of the core plate, the heat preservation layer one is fixedly installed on the outer side of the heat preservation layer two, the heat preservation layer one is specifically PU sponge, the heat preservation layer two is specifically rock wool board, and the core plate is specifically perlite.

[0013] Through the technical scheme, the perlite heat preservation plate is a new type of plate integrating heat preservation, heat insulation and waterproof functions, the PU sponge and the rock wool board also have the functions of heat preservation and heat insulation, and the heat preservation layer one and the heat preservation layer two can further improve the heat preservation effect of the core plate and prevent heat loss to the outside of the outer sleeve body.

[0014] Preferably, the clamping groove is in a ring structure, the center of the clamping groove and the center of the outer sleeve body are located on the same vertical line, and the upper end of the heat preservation plate is attached to the inner side of the clamping groove.

[0015] Through the technical scheme, the upper end of the heat preservation plate is clamped in the clamping groove.

[0016] Preferably, the lower end of the heat preservation plate is attached to the upper end of the positioning sleeve, the protruding block is in a ring structure, and the inner side of the protruding block is attached to the heat preservation plate.

[0017] Through the technical scheme, the positioning sleeve is rotated to the bottom of the outer sleeve body, supports the bottom of the heat preservation plate, the protruding block positions the heat preservation plate, and the heat preservation plate is prevented from falling off.

[0018] Compared with the prior art, the rubber pile sleeve with the heat preservation structure has the following beneficial effects: four heat preservation plates can be installed on the inner side, the heat preservation plates are separated by the partition plate, the outer layer is arranged on the outer side of the heat preservation layer one, the heat preservation layer two and the core plate, the vacuum bag is used, after vacuum extraction, the convection heat transfer and the contact heat transfer are blocked, the core plate is made of perlite, the heat preservation layer one and the heat preservation layer two are made of PU sponge and rock wool board respectively, the heat preservation effect of the heat preservation plate is further improved, heat loss to the outside of the rubber pile sleeve is effectively prevented, the upper end of the heat preservation plate is installed in the clamping groove, the lower end of the outer sleeve body is installed in the positioning sleeve through threads, the lower end of the heat preservation plate is supported, the protruding block on the upper end of the positioning sleeve prevents the heat preservation plate from falling off, the positioning sleeve is rotated and removed, the heat preservation plate can be replaced, and the rubber pile sleeve is very convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is a sectional structure schematic diagram of the utility modelFigure 1 ;

[0021] Figure 3 Cutaway structure diagram of the utility model Figure 2 ;

[0022] Figure 4 The utility model Figure 2 A place amplification structure diagram.

[0023] 1, the outer sleeve body, 2, the mounting hole, 3, the insulation board, 301, the outer layer, 302, the insulation layer one, 303, the insulation layer two, 304, the core plate, 4, the partition, 5, the clamping groove, 6, the positioning sleeve, 7, the lug. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Embodiment one:

[0026] As Figures 1-4 shown, the utility model provides a technical scheme: a rubber stack outer sleeve with heat preservation structure, including outer sleeve body 1, the upper end of outer sleeve body 1 is provided with mounting hole 2, the inner side of outer sleeve body 1 is attached and installed with insulation board 3, and insulation board 3 includes outer layer 301, insulation layer one 302, insulation layer two 303 and core plate 304, the inner side of outer sleeve body 1 is fixedly installed with partition 4, the upper end in the inside of outer sleeve body 1 is provided with clamping groove 5, and the lower end in the inside of outer sleeve body 1 is screw-mounted with positioning sleeve 6, and the upper end of positioning sleeve 6 is fixedly installed with lug 7.

[0027] Specifically, mounting hole 2 is annularly provided with six about the vertical center line of outer sleeve body 1, and partition 4 is annularly provided with four about the vertical center line of outer sleeve body 1. Advantage is that bolt is installed in mounting hole 2, and the upper end of outer sleeve body 1 is fixed together with the upper cover of air spring.

[0028] Specifically, insulation board 3 is provided with four, and insulation board 3 is attached with the two sides of partition 4, and outer layer 301 is attached with the outer side of insulation layer one 302, insulation layer two 303 and core plate 304 respectively, and outer layer 301 specifically adopts vacuum bag. Advantage is that four insulation boards 3 are placed in the inner side of outer sleeve body 1, and partition 4 separates insulation board 3, and outer layer 301 is sleeved on the outer side of insulation layer one 302, insulation layer two 303 and core plate 304, and vacuumizing is carried out, and convection heat transfer and contact heat transfer are blocked.

[0029] Specifically, insulation layer 2 303 is fixedly installed on the outside of core board 304, and insulation layer 1 302 is fixedly installed on the outside of insulation layer 2 303. Insulation layer 1 302 is made of PU sponge, insulation layer 2 303 is made of rock wool board, and core board 304 is made of perlite. The advantages are that perlite insulation board is a new type of board material integrating insulation, heat insulation, and waterproofing functions; PU sponge and rock wool board also have insulation and heat insulation functions; insulation layer 1 302 and insulation layer 2 303 can further improve the insulation effect of core board 304 and prevent heat loss to the outside of outer casing 1.

[0030] Example 2:

[0031] like Figures 1-4 As shown, this is an improvement on the previous embodiment. Specifically, the slot 5 is an annular structure, with the center of the slot 5 and the center of the outer casing 1 located on the same vertical line. The upper end of the insulation board 3 is fitted to the inner side of the slot 5. The advantage is that the upper end of the insulation board 3 is engaged in the slot 5.

[0032] Specifically, the lower end of the insulation board 3 is fitted with the upper end of the positioning sleeve 6, and the protrusion 7 has a ring structure with its inner side fitted with the insulation board 3. The advantage is that rotating the positioning sleeve 6 to the bottom of the outer sleeve body 1 provides support for the bottom of the insulation board 3, and the protrusion 7 positions the insulation board 3 to prevent it from falling off.

[0033] In use, rotate and remove the positioning sleeve 6, place the four insulation boards 3 on the inner side of the outer body 1 respectively, and make the upper end of the insulation board 3 engage in the slot 5. The partition 4 separates the insulation boards 3. Then rotate the positioning sleeve 6 to install it to the lower end of the outer body 1, which supports the bottom of the insulation board 3. The protrusion 7 positions the insulation board 3 to prevent it from falling off, thus completing the fixation. The outer layer 301 is fitted over the outer side of the first insulation layer 302, the second insulation layer 303 and the core board 304, and a vacuum is drawn to block convective heat transfer and contact heat transfer. The core board 304 in the middle is made of perlite, which is a new type of board material that integrates heat preservation, heat insulation and waterproofing functions. The first insulation layer 302 is made of PU sponge and the second insulation layer 303 is made of rock wool board, which also have the functions of heat preservation and heat insulation, which can further improve the heat preservation effect of the core board 304 and prevent heat loss to the outside of the outer body 1.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rubber stack jacket having a heat retaining structure, comprising a jacket body (1), characterized in that: The upper end of the outer sleeve body (1) is provided with a mounting hole (2), the inner side of the outer sleeve body (1) is attached with a heat preservation plate (3), the heat preservation plate (3) comprises an outer layer (301), a heat preservation layer one (302), a heat preservation layer two (303) and a core plate (304), the inner side of the outer sleeve body (1) is fixedly provided with a partition plate (4), the upper end inside the outer sleeve body (1) is provided with a clamping groove (5), the lower end inside the outer sleeve body (1) is screwedly provided with a positioning sleeve (6), and the upper end of the positioning sleeve (6) is fixedly provided with a protruding block (7).

2. The rubber stack outer cover with a heat retaining structure according to claim 1, characterized in that: The mounting hole (2) is annularly provided with six about the vertical center line of the outer sleeve body (1), and the partition plate (4) is annularly provided with four about the vertical center line of the outer sleeve body (1).

3. The rubber stack jacket with thermal insulation structure according to claim 1, characterized in that: The heat preservation plate (3) is provided with four, the heat preservation plate (3) is attached to the two sides of the partition plate (4), the outer layer (301) is respectively attached to the outer side of the heat preservation layer one (302), the heat preservation layer two (303) and the core plate (304), and the outer layer (301) is specifically a vacuum bag.

4. The rubber stack jacket with thermal insulation according to claim 1, characterized in that: The heat preservation layer two (303) is fixedly installed on the outer side of the core plate (304), the heat preservation layer one (302) is fixedly installed on the outer side of the heat preservation layer two (303), the heat preservation layer one (302) is specifically PU sponge, the heat preservation layer two (303) is specifically rock wool board, and the core plate (304) is specifically perlite.

5. The rubber stack jacket with thermal insulation according to claim 1, characterized in that: The clamping groove (5) is annular, the center of the clamping groove (5) and the center of the outer sleeve body (1) are located on the same vertical line, and the upper end of the heat preservation plate (3) is attached to the inner side of the clamping groove (5).

6. The rubber stack jacket with thermal insulation according to claim 1, characterized in that: The lower end of the heat preservation plate (3) is attached to the upper end of the positioning sleeve (6), the protruding block (7) is annular, and the inner side of the protruding block (7) is attached to the heat preservation plate (3).

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