Dustproof and waterproof sealed universal coupling

Abstract

The utility model relates to the technical field of universal couplings, and discloses a dustproof and waterproof sealed type universal coupling which comprises two connecting blocks, and a main rotating shaft is installed on one side of each connecting block. According to the dustproof and waterproof sealed universal coupling, through the arrangement of the rubber sealing covers and the sealing mechanism, when the dustproof and waterproof sealed universal coupling is used, the rotating part is easily contaminated by external dust and water vapor due to the influence of the surrounding environment, so that the rubber sealing covers are mounted on one side of the main rotating shaft and one side of the auxiliary rotating shaft, and interference of the external dust and water vapor is reduced; sealing rings and supporting springs are further installed on the inner walls of the two sides of the rubber sealing cover to improve the sealing performance of the rubber sealing cover, and a plurality of heat dissipation micropores formed in the surface of the rubber sealing cover are matched for heat dissipation, so that the effect of reducing the influence of external dust and water vapor can be achieved while normal operation of the main rotating shaft and the auxiliary rotating shaft is not affected; and the service life of the universal coupling is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a universal joint technical field especially relates to a dustproof waterproof sealed universal joint. BACKGROUND

[0002] As a key component in mechanical transmission system, the universal joint can realize the effective transmission of power in the case of the existence of the angle between two shafts, and is widely used in many fields such as automobile, machine tool, engineering machinery equipment, etc. In the actual working environment, the rotating part of the universal joint often faces the challenge of dust, water vapor and other harsh conditions.

[0003] In many industrial scenes, such as mining, construction, etc., a large amount of dust diffuses in the air, which is easy to invade the rotating part of the universal joint. After the dust particles enter, they will accumulate in the gap of the rotating part, increase the friction coefficient between the parts, and cause the wear to intensify. Long-term accumulation will reduce the surface precision of the rotating part and destroy the original precise matching relationship between the parts, therefore, a dustproof and waterproof sealed universal joint is proposed. SUMMARY

[0004] (I) Technical problem solved

[0005] The utility model discloses a dustproof waterproof sealed universal joint, to solve the above background technique, in many industrial scenes, such as mining, construction, etc., a large amount of dust diffuses in the air, which is easy to invade the rotating part of the universal joint. After the dust particles enter, they will accumulate in the gap of the rotating part, increase the friction coefficient between the parts, and cause the wear to intensify. Long-term accumulation will reduce the surface precision of the rotating part and destroy the original precise matching relationship between the parts.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model discloses a dustproof waterproof sealed universal joint, including two connecting blocks, the one side of connecting block is installed with main rotating shaft, the inside rotation of main rotating shaft is connected with from rotating shaft, the one side of from rotating shaft is fixedly connected with fixed block, the surface of connecting block and fixed block all installs rubber seal cover, the inner wall of rubber seal cover both sides is fixedly connected with sealing mechanism, the surface both sides of rubber seal cover all installs installation mechanism, the sealing mechanism includes the sealing ring of fixed connection in the inner wall of rubber seal cover both sides, and the inside of sealing ring installs support spring, the installation mechanism includes the upper clamp of installation in the surface both sides of rubber seal cover, and the bottom of upper clamp is connected with lower clamp through screw thread.

[0008] As a further scheme of the utility model, the surface of the upper clamp and the lower clamp is provided with two threaded holes, a threaded column is threadedly connected in the threaded hole, the threaded column is arranged to fix the clamp.

[0009] As a further scheme of the utility model, the surface of the rubber sealing cover is provided with a plurality of heat dissipation micro-holes, the heat dissipation micro-holes are annularly distributed around the rubber sealing cover, the heat dissipation micro-holes are arranged to dissipate heat.

[0010] As a further scheme of the utility model, the left side of the connecting block is provided with a telescopic rod, a fixing rod is slidably connected to the surface of the telescopic rod, the fixing rod is arranged to support the telescopic rod.

[0011] As a further scheme of the utility model, a positioning nut is threadedly connected to the surface of the threaded column, a gasket is arranged on one side of the positioning nut, the gasket is arranged to seal.

[0012] As a further scheme of the utility model, a flange A is threadedly connected in one of the fixing blocks, a plurality of connecting holes are formed in the surface of the flange A, the flange A is arranged to connect an external support structure.

[0013] As a further scheme of the utility model, a flange B is threadedly connected in the other fixing block, a plurality of connecting holes are formed in the surface of the flange B, the connecting holes are arranged to fix the flange B.

[0014] (Three) beneficial effects

[0015] The utility model provides a dustproof waterproof sealed universal coupling, has the following beneficial effects:

[0016] 1、the dustproof waterproof sealed universal coupling, through the setting of rubber sealing cover and sealing mechanism, when using, the rotating part is easy to contaminate the outside dust and water vapor under the influence of surrounding environment, therefore, the rubber sealing cover is installed on the side of the main rotating shaft and the slave rotating shaft, so as to reduce the interference of outside dust and water vapor, and sealing ring and supporting spring are also installed on the inner wall of the rubber sealing cover to improve the sealing performance of the rubber sealing cover, cooperate with the heat dissipation micro-holes formed on the surface of the rubber sealing cover to dissipate heat, so that the main rotating shaft and the slave rotating shaft can work normally, and the effect of reducing the influence of outside dust and water vapor can also be realized, prolonging the service life of the universal coupling.

[0017] 2. The dustproof and waterproof sealed universal coupling, through the setting of the mounting mechanism, when in use, the rubber sealing cover is installed on the surface of the connecting block and the fixed block, then the upper clamp and the lower clamp are respectively installed on the left and right sides of the rubber sealing cover, and the threaded column and the positioning nut on the surface are fixed, so that the effect of quickly installing the rubber sealing cover is realized, when disassembling, the flange plates on both sides are taken off first, and finally the upper clamp, the lower clamp and the rubber sealing cover are taken off in sequence, the structure is simple, and the installation efficiency of the installer is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a whole structure schematic view of the utility model;

[0019] Fig. 2 It is a main rotating shaft structure schematic view of the utility model;

[0020] Fig. 3 It is a rubber sealing cover structure schematic view of the utility model;

[0021] Fig. 4 It is a sealing mechanism structure schematic view of the utility model.

[0022] In the drawing: 1, connecting block; 2, main rotating shaft; 3, from rotating shaft; 4, fixed block; 5, rubber sealing cover; 6, sealing mechanism; 601, sealing ring; 602, supporting spring; 7, mounting mechanism; 701, upper clamp; 702, lower clamp; 8, threaded column; 9, telescopic rod; 10, fixed rod; 11, positioning nut; 12, gasket; 13, flange plate A; 14, flange plate B. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0024] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a dustproof waterproof sealed universal joint, including two connecting blocks 1, the side installation of connecting block 1 has main rotating shaft 2, the inside rotation of main rotating shaft 2 is connected with from rotating shaft 3, and the side fixed connection of from rotating shaft 3 has fixed block 4, and the surface of connecting block 1 and fixed block 4 all installs rubber seal cover 5, and the inner wall of rubber seal cover 5 both sides is fixedly connected with sealing mechanism 6, through the setting of rubber seal cover 5 and sealing mechanism 6, to realize the normal operation of main rotating shaft 2 and from rotating shaft 3 without influence, can also reduce the effect of external dust and water vapor, prolong the service life of universal joint, the surface both sides of rubber seal cover 5 all install installation mechanism 7, through the setting of installation mechanism 7, to realize the effect of quick installation of rubber seal cover 5, when disassembling, first take off the flange plate of both sides, finally take off upper clamp band 701, lower clamp band 702 and rubber seal cover 5 in proper order, simple structure improves the installation efficiency of installation personnel,

[0025] Sealing mechanism 6 includes sealing ring 601 fixedly connected to the inner wall of rubber seal cover 5 both sides, and support spring 602 is installed in the inside of sealing ring 601;

[0026] Installation mechanism 7 includes upper clamp band 701 installed on the surface both sides of rubber seal cover 5, and lower clamp band 702 is screw-connected in the bottom of upper clamp band 701;

[0027] The surface of upper clamp band 701 and lower clamp band 702 is provided with two threaded holes, and threaded column 8 is screw-connected in the inside of threaded hole, and the setting of threaded column 8 plays the role of fixing clamp;

[0028] The surface of rubber seal cover 5 is provided with a plurality of heat dissipation micropores, and the heat dissipation micropores are annularly distributed around rubber seal cover 5, and the setting of heat dissipation micropore plays the role of heat dissipation;

[0029] The left side of connecting block 1 is provided with telescopic rod 9, and fixed rod 10 is slidably connected to the surface of telescopic rod 9, and the setting of fixed rod 10 plays the role of supporting telescopic rod 9;

[0030] Positioning nut 11 is screw-connected to the surface of threaded column 8, and gasket 12 is arranged on the side of positioning nut 11, and the setting of gasket 12 plays the role of sealing;

[0031] The inside of one of fixed block 4 is screw-connected with flange plate A 13, and a plurality of connecting holes are arranged on the surface of flange plate A 13, and the setting of flange plate A 13 plays the role of connecting external support structure;

[0032] The inside of another fixed block 4 is screw-connected with flange plate B 14, and a plurality of connecting holes are arranged on the surface of flange plate B 14, and the setting of connecting hole plays the role of fixing flange plate B 14.

[0033] The working steps of the device are as follows:

[0034] First step: when in use, the rotating part is easy to be contaminated by external dust and water vapor due to the influence of the surrounding environment, therefore, rubber sealing covers 5 are installed on the main shaft 2 and the slave shaft 3 side, so as to reduce the interference of external dust and water vapor, and sealing rings 601 and supporting springs 602 are installed on the inner walls of the two sides of the rubber sealing cover 5 to improve the sealing performance of the rubber sealing cover 5, and a plurality of heat dissipation micropores are arranged on the surface of the rubber sealing cover 5 for heat dissipation;

[0035] Second step: when in use, install the rubber sealing cover 5 on the surface of the connecting block 1 and the fixed block 4, then install the upper clamp 701 and the lower clamp 702 on the left and right sides of the rubber sealing cover 5 respectively, and fix them by cooperating with the threaded column 8 and the positioning nut 11 on the surface.

[0036] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the design principle technology, and under the premise that the above-mentioned utility model principle is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0037] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle are known by the person skilled in the art through technical manual or conventional experimental method.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dustproof and waterproof sealed universal joint comprising two connecting blocks (1), characterized in that: One side of the connecting block (1) is provided with a main rotating shaft (2), the inside of the main rotating shaft (2) is rotatably connected with a slave rotating shaft (3), one side of the slave rotating shaft (3) is fixedly connected with a fixed block (4), the surface of the connecting block (1) and the fixed block (4) is provided with a rubber sealing cover (5), the inner wall of the two sides of the rubber sealing cover (5) is fixedly connected with a sealing mechanism (6), the surface of the rubber sealing cover (5) is provided with a mounting mechanism (7) on both sides, The sealing mechanism (6) comprises a sealing ring (601) fixedly connected to the inner wall of the rubber sealing cover (5), and a supporting spring (602) is mounted in the sealing ring (601). The mounting mechanism (7) comprises an upper clamp (701) mounted on the surface of the rubber sealing cover (5), and a lower clamp (702) is threadedly connected to the bottom of the upper clamp (701).

2. A dust and water resistant sealed universal joint according to claim 1, characterized in that: The surface of the upper clamp (701) and the lower clamp (702) is provided with two threaded holes, and a threaded column (8) is threadedly connected in the threaded hole.

3. A dust and water resistant sealed universal joint according to claim 1, characterized in that: The surface of the rubber sealing cover (5) is provided with a plurality of heat dissipation micropores, which are annularly distributed around the rubber sealing cover (5).

4. A dust and water resistant sealed universal joint according to claim 1, characterized in that: The left side of the connecting block (1) is provided with a telescopic rod (9), and the surface of the telescopic rod (9) is slidably connected with a fixed rod (10).

5. A dust and water resistant sealed universal joint according to claim 2, characterized in that: The surface of the threaded column (8) is threadedly connected with a positioning nut (11), and one side of the positioning nut (11) is provided with a gasket (12).

6. A dust and water resistant sealed universal joint according to claim 1, characterized in that: The inside of one of the fixed blocks (4) is threadedly connected with a flange A (13), and the surface of the flange A (13) is provided with a plurality of connecting holes.

7. A dust and water resistant sealed universal joint according to claim 1, characterized in that: The inside of the other fixed block (4) is threadedly connected with a flange B (14), and the surface of the flange B (14) is provided with a plurality of connecting holes.

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