Dustproof rubber sleeve

Abstract

The utility model discloses a dustproof rubber sleeve, which relates to the technical field of rubber sleeves and comprises a rubber sleeve body, a corrugated telescopic part, a positioning component, a springback component, a protective component and a wear-resistant layer, the corrugated telescopic part is arranged in the middle of the rubber sleeve body, the positioning component is arranged at an inner corner of the corrugated telescopic part, the springback component is mounted in an inner cavity of the positioning component, and the protective component is arranged in the inner cavity of the rubber sleeve body. The protection assembly is arranged in an inner cavity of the rubber sleeve body, and the rubber sleeve body and the corrugated telescopic part are coated with the wear-resisting layer. Through the arrangement mode that the positioning assembly, the springback assembly and the protection assembly are matched, the springback assembly can be conveniently stabilized at the inner corner telescopic position of the corrugated telescopic part, the springback assembly can assist the corrugated telescopic part in springback, slow springback recovery of rubber is avoided, meanwhile, waste of a large number of resources is reduced, and through the protection assembly, the service life of the corrugated telescopic part is prolonged. The phenomenon that the springback assembly falls off when the rubber sleeve is used is avoided, wear-resistant protection can be conveniently conducted on the inner wall of the rubber sleeve, and the practicability of the dustproof rubber sleeve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber sleeve technical field, especially a dustproof rubber sleeve. BACKGROUND

[0002] Dustproof rubber sleeve is usually made of rubber, plastic, polyurethane and other materials, which has excellent sealing performance and durability. In addition, the dustproof rubber sleeve also has good weather resistance, temperature resistance, oil resistance and other characteristics, and can maintain stable performance in different working environments and conditions.

[0003] In the spinning process, dustproof rubber sleeve is used to prevent dust, pollutants and hair yarn from entering mechanical parts and to protect mechanical parts from damage. In the process of bobbin spinning, the dustproof rubber sleeve can ensure the cleanliness of the yarn and avoid the influence of dust and impurities on the quality of the yarn and the subsequent weaving effect, but the existing dustproof rubber sleeve has slow rebound efficiency when relying on the rebound performance of the rubber itself. Although the memory spring or spring sheet can increase the rebound of the rubber sleeve, the manufacturing process is complex and the resources consumed are large, which affects the practicality of the dustproof rubber sleeve. SUMMARY

[0004] The utility model aims at providing a dustproof rubber sleeve to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dustproof rubber sleeve, comprising:

[0006] A rubber sleeve body;

[0007] A corrugated expansion part provided in the middle part of the rubber sleeve body;

[0008] A positioning assembly provided at the inner corner of the corrugated expansion part;

[0009] A rebound assembly installed in the inner cavity of the positioning assembly, and the positioning assembly is used for positioning the position of the rebound assembly;

[0010] A protection assembly provided in the inner cavity of the rubber sleeve body and inside the corrugated expansion part;

[0011] A wear-resistant layer coated on the rubber sleeve body and the corrugated expansion part.

[0012] Preferably, the positioning assembly comprises:

[0013] Positioning holes provided at the inner corner of the corrugated expansion part;

[0014] The hook is fixed in the inner cavity of the positioning hole by the fixing glue, and is used for clamping the elastic recovery assembly.

[0015] Preferably, the elastic recovery assembly comprises:

[0016] The elastic sheet is arranged at the inner corner of the corrugated stretchable part, and is attached to the outer wall of the wear-resistant layer.

[0017] The clamping hook part is bent at the end of the elastic sheet.

[0018] The insertion slot is arranged on the inner wall of the corrugated stretchable part.

[0019] Preferably, the clamping hook part is inserted into the inner cavity of the insertion slot, and is used for clamping the end of the elastic sheet and the inner wall of the corrugated stretchable part.

[0020] Preferably, the elastic sheet is inserted into the inner wall of the hook, and the hook is used for locking the middle position of the elastic sheet.

[0021] Preferably, the protection assembly comprises:

[0022] The protection net is fixed on the inner wall of the corrugated stretchable part, the inner wall of the rubber sleeve and the inner wall of the elastic sheet by the adhesive.

[0023] The protection film is fixed on the inner wall of the protection net.

[0024] The technical effects and advantages of the utility model are as follows:

[0025] The positioning assembly, the elastic recovery assembly and the protection assembly are matched, the positioning assembly is used for stably arranging the elastic recovery assembly at the inner corner of the corrugated stretchable part, the corrugated stretchable part is assisted to recover, the slow recovery of the rubber is avoided, the waste of resources is reduced, the protection assembly is used for preventing the elastic recovery assembly from falling off during use, the inner wall of the rubber sleeve is protected, the slow recovery of the rubber sleeve is avoided, and the practicability of the dustproof rubber sleeve is improved. DRAWINGS

[0026] Figure 1 It is the whole structure schematic diagram of the utility model.

[0027] Figure 2 It is the whole front sectional structure schematic diagram of the utility model.

[0028] Figure 3 It is the whole structure schematic diagram of the utility model. Figure 2 It is the local enlarged structure schematic diagram of A place in the utility model.

[0029] As shown in the figure: 1, rubber sleeve body; 2, corrugated expansion part; 3, positioning assembly; 31, positioning hole; 32, back-shaped hook; 4, elastic recovery assembly; 41, elastic sheet; 42, hook part; 43, insertion slot; 5, protection assembly; 51, protective net; 52, protective film; 6, wear-resistant layer. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Embodiment one

[0032] The present application provides a kind of dustproof rubber sleeve as shown in Figures 1-3 Including: rubber sleeve body 1, corrugated expansion part 2, positioning assembly 3 and elastic recovery assembly 4, rubber sleeve body 1 is composed of high molecular polymer, the intermolecular secondary valence force of high molecular polymer is small, with high elasticity, under very small force, can produce very big deformation (500% ~ 1000%), after external force is removed, can restore original shape, corrugated expansion part 2 is set to the middle part of rubber sleeve body 1, corrugated expansion part 2 is the expansion corrugated rubber structure, corrugated expansion part 2 and rubber sleeve body 1 are the same material integrally formed structure, so that its rubber sleeve body 1 and corrugated expansion part 2 can form stable pagoda structure, positioning assembly 3 is set to the inner angle of corrugated expansion part 2, elastic recovery assembly 4 is installed in the inner cavity of positioning assembly 3, positioning assembly 3 is used for the position positioning of elastic recovery assembly 4;

[0033] Among them, positioning assembly 3 includes: positioning hole 31 and back-shaped hook 32, positioning hole 31 is opened in the inner angle of corrugated expansion part 2, back-shaped hook 32 is metal material, back-shaped hook 32 is fixedly inserted into the inner cavity of positioning hole 31 by fixing glue, back-shaped hook 32 is used for the clamping of elastic recovery assembly 4;

[0034] Specifically, the rebound assembly 4 comprises: the elastic sheet 41, the hook part 42 and the insertion slot 43, the elastic sheet 41 is arranged at the inner corner of the corrugated stretchable part 2, the elastic sheet 41 is made of elastic metal, the elastic sheet 41 is in the form of a strip-shaped sheet, and a plurality of elastic sheets 41 are arranged at the same stretchable inner corner of the corrugated stretchable part 2 in an equidistant ring array, after being pressed, the elastic sheet 41 can quickly reset under the condition that the pressure on the elastic sheet 41 is removed through the elasticity of the elastic sheet 41, the elastic sheet 41 is inserted into the inner wall of the hook 32, the hook 32 is used for locking the middle position of the elastic sheet 41, so that the elastic sheet 41 can be elastically compressed and recovered at both ends with the hook 32 as the center position, the hook part 42 is bent at the end of the elastic sheet 41, the hook part 42 is in the form of an L-shaped bent structure, the insertion slot 43 is arranged on the inner wall of the corrugated stretchable part 2, the inner cavity of the insertion slot 43 is matched with the structure of the hook part 42, the hook part 42 is inserted and connected with the inner cavity of the insertion slot 43, the hook part 42 is used for connecting the end of the elastic sheet 41 with the inner wall of the corrugated stretchable part 2, so as to improve the stability of the position of the elastic sheet 41, facilitate the elastic sheet 41 to drive the corrugated stretchable part 2 to quickly and elastically recover, and avoid the slow rebound of the rubber sleeve.

[0035] Embodiment two

[0036] The utility model provides a kind of dustproof rubber sleeve as shown in Figures 2-3 Including: rubber sleeve body 1, corrugated stretchable part 2, positioning assembly 3, rebound assembly 4, protective component 5 and wear-resistant layer 6, corrugated stretchable part 2 is arranged at the middle part of rubber sleeve body 1, positioning assembly 3 is arranged at the inner corner of corrugated stretchable part 2, rebound assembly 4 is installed in the inner cavity of positioning assembly 3, positioning assembly 3 is used for the position positioning of rebound assembly 4, rebound assembly 4 includes: elastic sheet 41, hook part 42 and insertion slot 43, protective component 5 is arranged in the inner cavity of rubber sleeve body 1, protective component 5 is arranged in the inside of corrugated stretchable part 2, wear-resistant layer 6 is coated on rubber sleeve body 1 and on corrugated stretchable part 2, elastic sheet 41 is attached with the outer wall of wear-resistant layer 6, protective component 5 is arranged in the inner wall of elastic sheet 41 and rubber sleeve body 1;Protective component 5 is used for the protection of the inner wall of rubber sleeve body 1, corrugated stretchable part 2 and the inner wall of elastic sheet 41.

[0037] Among them, protective component 5 includes: protective net 51 and protective film 52, protective net 51 is fixed on the inner wall of corrugated stretchable part 2, the inner wall of rubber sleeve body 1 and the inner wall of elastic sheet 41 by adhesive, protective net 51 is the net structure of elastic rope weaving, can adapt to the stretchable deformation of rubber sleeve body 1, and protective net 51 can protect elastic sheet 41, avoid the phenomenon that elastic sheet 41 is separated from the inner corner of corrugated stretchable part 2 due to long time use, further improve the stability of the position of elastic sheet 41, protective film 52 is fixed on the inner wall of protective net 51, protective film 52 is the membrane structure with smooth outer wall, can avoid the influence of friction when rubber sleeve is compressed, improve the smoothness of the inner cavity of dustproof rubber sleeve, improve the rebound performance of dustproof rubber sleeve.

[0038] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A dust-proof rubber sleeve, characterized by, include: Rubber sleeve (1); Corrugated expansion joint (2), the corrugated expansion joint (2) is disposed in the middle of the rubber sleeve (1); Positioning component (3), the positioning component (3) is disposed at the inner corner of the corrugated expansion part (2); Springback assembly (4), which is installed in the inner cavity of positioning assembly (3), and positioning assembly (3) is used for positioning springback assembly (4); The protective component (5) is disposed in the inner cavity of the rubber sleeve (1) and the protective component (5) is disposed inside the corrugated telescopic part (2); Wear-resistant layer (6) is applied to the rubber sleeve (1) and the corrugated expansion joint (2).

2. A dust-proof rubber sleeve according to claim 1, characterized in that The positioning component (3) includes: Positioning hole (31), the positioning hole (31) is opened at the inner corner of the corrugated expansion part (2); The loop hook (32) is fixedly inserted into the inner cavity of the positioning hole (31) by adhesive, and the loop hook (32) is used for snapping the spring assembly (4).

3. A dust-proof rubber sleeve according to claim 2, characterized in that The springback assembly (4) includes: The spring (41) is disposed at the inner corner of the corrugated telescopic part (2), the spring (41) is in contact with the outer wall of the wear-resistant layer (6), and the protective component (5) is disposed on the inner wall of the spring (41) and the rubber sleeve (1). Hook portion (42), which is bent at the end of the spring piece (41); Through slot (43), which is formed on the inner wall of the corrugated telescopic part (2).

4. A dust-proof rubber sleeve according to claim 3, characterized in that The hook part (42) is inserted and engaged with the inner cavity of the slot (43), and the hook part (42) is used to engage the end of the spring piece (41) with the inner wall of the corrugated telescopic part (2).

5. A dust-proof rubber sleeve according to claim 3, characterized in that The spring piece (41) is inserted into the inner wall of the loop hook (32), and the loop hook (32) is used to lock the middle position of the spring piece (41).

6. A dust-proof rubber sleeve according to claim 3, characterized in that The protective component (5) includes: The protective net (51) is fixed to the inner wall of the corrugated expansion joint (2), the inner wall of the rubber sleeve (1) and the inner wall of the spring piece (41) by adhesive. A protective film (52) is fixed to the inner wall of the protective net (51).

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