Rubber damping coupling shaft

Abstract

The utility model belongs to the field of coupling shafts, and particularly relates to a rubber shock-absorbing coupling shaft which comprises a rubber shock-absorbing coupling shaft body, a screw is arranged in the rubber shock-absorbing coupling shaft body, a rotating block is fixedly connected to the screw and makes contact with the rubber shock-absorbing coupling shaft body, an annular groove is formed in the rotating block, and the rubber shock-absorbing coupling shaft body is arranged in the annular groove. And a sliding block is connected into the annular groove in a sliding manner. By designing the connecting sleeve, the fixing sleeve, the inserting rod, the moving block, the elastic clamping ring, the annular sleeve and other components, the connecting sleeve, the fixing sleeve, the sliding sleeve and the telescopic sleeve are moved to designated positions on the connecting base, then the inserting rod is moved to be inserted into the connecting base from the connecting sleeve, and then the elastic clamping ring is clamped into the inserting rod; and therefore, the fixing sleeve, the telescopic sleeve and other components are limited, the interior of the connecting base is sealed, and the device is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber shock absorption coupling shaft technical field, concretely is a kind of rubber shock absorption coupling shaft. BACKGROUND

[0002] Rubber shock absorption coupling shaft is a kind of parts for shock absorption and coupling transmission system, usually by rubber and metal is constituted.It is mainly used in the field such as automobile, mechanical equipment, can effectively reduce vibration and noise, improve the stability and durability of transmission system.According to the utility model patent with patent authorization announcement No.CN217926832U proposes an improved rubber shock absorption coupling shaft, rubber shock absorption coupling shaft, including mandrel, rubber shock absorption layer and outer sleeve, the mandrel middle part is equipped with arc arch week, the outer sleeve is located the outer periphery of the arc arch week of mandrel, and rubber shock absorption layer is located between the outer sleeve and the arc arch week of mandrel, the mandrel both ends are equipped with connecting end, the connecting end is equipped with connecting hole, the axial direction of connecting hole is perpendicular to the axial direction of mandrel, the inner periphery of outer sleeve is recessed arc, the both ends of rubber shock absorption layer are equipped with axial recessed arc groove, the layer thickness of rubber shock absorption layer near axial both ends is greater than the layer thickness of central axial center, and layer thickness is continuously thickened from center to both ends.The rubber shock absorption coupling shaft of the utility model, under the premise that the original coupling shaft appearance size is not changed, the shape and structure of outer sleeve inside and mandrel outer periphery are improved, the shape structure of rubber layer is improved, so as to improve the fatigue resistance of rubber shock absorption layer.In prior art, when device is used for a long time, screw rod on device is inconvenient to be limited, so that screw rod on device can be loose for a long time when used.Therefore, it is necessary to improve prior art. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of rubber shock absorption coupling shaft, solve the problem that when device is used for a long time, screw rod on device is inconvenient to be limited, so that screw rod on device can be loose for a long time when used.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a rubber shock absorption coupling shaft, including rubber shock absorption coupling shaft main part, the inside of rubber shock absorption coupling shaft main part is provided with screw rod, fixedly connected with rotating block on screw rod, rotating block is in contact with rubber shock absorption coupling shaft main body, the inside of rotating block is provided with annular groove, the inside of annular groove is connected with sliding block, the outside fixedly connected with connecting seat of rubber shock absorption coupling shaft main part, the inside of connecting seat is provided with sliding slot, the inside sliding connection of sliding slot has sliding rod, fixedly connected with sliding block on sliding rod, sliding block is connected with connecting seat, the inside of connecting seat is provided with spring, the inside of connecting seat is provided with guide slot, the inside sliding connection of guide slot has guide block, the inside of guide block is provided with recess, guide block is fixedly connected with sliding block, rotating block is in contact with connecting seat, connecting seat is connected with sliding block, sliding block is fixedly connected with sliding rod, the outside of connecting seat is provided with sealing mechanism. By pulling the sliding block to move, the sliding block moves to the designated position, then moves the screw rod, rotating block and annular groove to the designated position on the rubber shock absorption coupling shaft main body, then moves the sliding block into the annular groove, so that the screw rod is limited, prevent the screw rod on the device from loosening for a long time.

[0005] Preferably, the sliding block is fixedly connected with a connecting block, and a pull ring is fixedly connected to the side away from the sliding block of the connecting block. By designing the pull ring, the sliding block can be moved.

[0006] Preferably, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the connecting seat. By designing the spring, the sliding block has a spring effect.

[0007] Preferably, the recess is provided with a plurality of rolling balls inside, and the rolling balls are in contact with the connecting seat. By designing the rolling balls, the friction between the guide block and the connecting seat can be reduced.

[0008] Preferably, the sealing mechanism comprises a connecting sleeve, the outside of the connecting seat is in contact with the connecting sleeve, the inside of the connecting sleeve is fixedly connected with a fixed sleeve, the inside of the connecting seat is in contact with a plug rod, the plug rod is in contact with the connecting sleeve, the plug rod is fixedly connected with a moving block, the moving block is in contact with the connecting sleeve, the inside of the fixed sleeve is slidingly connected with a sliding sleeve, the outside of the connecting seat is slidingly connected with the sliding sleeve, the inside of the sliding sleeve is in contact with a sliding block, the inside of the fixed sleeve is provided with an expansion sleeve, and the fixed sleeve is in contact with the connecting seat. By moving the connecting sleeve, the fixed sleeve, the sliding sleeve and the expansion sleeve to the designated position on the connecting seat, then moving the plug rod to insert into the inside of the connecting seat, the elastic clamping ring is clamped into the plug rod, the fixed sleeve and the expansion sleeve and other components are limited, the inside of the connecting seat is sealed, and the device is convenient to use.

[0009] Preferably, the inside of the inserting rod is clamped with an elastic clamping ring, the elastic clamping ring is fixedly connected with the connecting seat, and the inserting rod is limited through the design of the elastic clamping ring.

[0010] Preferably, one end of the telescopic sleeve is connected with the sliding sleeve, and the other end of the telescopic sleeve is connected with the fixed sleeve, and the inside of the connecting seat is sealed through the design of the telescopic sleeve.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The connecting sleeve, the fixed sleeve, the inserting rod, the moving block, the elastic clamping ring and the annular sleeve are designed, the connecting sleeve, the fixed sleeve, the sliding sleeve and the telescopic sleeve are moved to the specified positions on the connecting seat, then the inserting rod is moved to be inserted into the inside of the connecting seat, the elastic clamping ring is clamped into the inserting rod, the fixed sleeve and the telescopic sleeve are limited, the inside of the connecting seat is sealed, and the device is convenient to use.

[0013] 2. The annular groove, the sliding block, the connecting seat, the sliding groove, the sliding rod and the sliding block are designed, the sliding block is moved, the sliding block is moved to the specified position, then the screw rod, the rotating block and the annular groove are moved to the specified positions on the rubber damping connecting shaft main body, then the sliding block is moved into the annular groove, and the screw rod is limited, so that the screw rod on the device is prevented from loosening after long-time use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure perspective view of the utility model;

[0015] Figure 2 It is the partial structure sectional view of the utility model; Figure 1

[0016] Figure 3 It is the connecting seat enlarged view of the utility model; Figure 2

[0017] It is the A place enlarged view of the utility model; Figure 4 Figure 3 It is the B place enlarged view of the utility model.

[0018] Figure 5 Figure 3

[0019] ​​​​In the figure: 1, rubber shock-absorbing connecting shaft main body; 2, screw rod; 3, rotating block; 4, annular groove; 5, sliding block; 6, connecting seat; 7, sliding groove; 8, sliding rod; 9, sliding block; 10, connecting block; 11, pull ring; 12, spring; 13, guide groove; 14, guide block; 15, groove; 16, ball; 17, sealing mechanism; 171, connecting sleeve; 172, fixing sleeve; 173, insertion rod; 174, moving block; 175, elastic snap ring; 176, sliding sleeve; 177, telescopic sleeve. DETAILED DESCRIPTION

[0020] The technical solutions 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-5 A rubber shock-absorbing connecting shaft, comprising a rubber shock-absorbing connecting shaft main body 1, a screw rod 2 is arranged in the rubber shock-absorbing connecting shaft main body 1, a rotating block 3 is fixedly connected to the screw rod 2, the rotating block 3 is in contact with the rubber shock-absorbing connecting shaft main body 1, an annular groove 4 is formed in the rotating block 3, a sliding block 5 is slidably connected in the annular groove 4, a connecting seat 6 is fixedly connected to the outer side of the rubber shock-absorbing connecting shaft main body 1, a sliding groove 7 is formed in the connecting seat 6, a sliding rod 8 is slidably connected in the sliding groove 7, a sliding block 9 is fixedly connected to the sliding rod 8, the sliding block 9 is slidably connected with the connecting seat 6, a connecting block 10 is fixedly connected to the sliding block 9, a pull ring 11 is fixedly connected to the side, away from the sliding block 9, of the connecting block 10, the pull ring 11 can drive the sliding block 5 to move, a spring 12 is arranged in the connecting seat 6, one end of the spring 12 is fixedly connected with the sliding block 5, the other end of the spring 12 is fixedly connected with the connecting seat 6, the spring 12 can make the sliding block 5 have elastic force, a guide groove 13 is formed in the connecting seat 6, a guide block 14 is slidably connected in the guide groove 13, a groove 15 is formed in the guide block 14, a ball 16 is arranged in the groove 15, the ball 16 is in contact with the connecting seat 6, the ball 16 can reduce the friction between the guide block 14 and the connecting seat 6, the guide block 14 is fixedly connected with the sliding block 5, the rotating block 3 is in contact with the connecting seat 6, the connecting seat 6 is slidably connected with the sliding block 5, the sliding block 5 is fixedly connected with the sliding rod 8, a sealing mechanism 17 is arranged on the outer side of the connecting seat 6, the sliding block 5 is moved to a specified position by pulling, then the screw rod 2, the rotating block 3 and the annular groove 4 are moved to a specified position on the rubber shock-absorbing connecting shaft main body 1, then the sliding block 5 is moved into the annular groove 4, so that the screw rod 2 is limited, and the screw rod 2 on the device is prevented from loosening after long time use.

[0022] Please refer to Figure 3 , Figure 5 The sealing mechanism 17 comprises a connecting sleeve 171, the outer side of the connecting seat 6 is in contact with the connecting sleeve 171, the inner part of the connecting sleeve 171 is fixedly connected with a fixed sleeve 172, the inner part of the connecting seat 6 is in contact with a plug rod 173, the plug rod 173 is in contact with the connecting sleeve 171, the plug rod 173 is fixedly connected with a moving block 174, the moving block 174 is in contact with the connecting sleeve 171, the inner part of the plug rod 173 is clamped with an elastic clamping ring 175, the elastic clamping ring 175 is fixedly connected with the connecting seat 6, and the plug rod 173 can be limited in position through the design of the elastic clamping ring 175.

[0023] Please refer to Figure 3 , Figure 5 The inner part of the fixed sleeve 172 is slidably connected with a sliding sleeve 176, the outer side of the connecting seat 6 is slidably connected with the sliding sleeve 176, the inner part of the sliding sleeve 176 is in contact with a sliding block 9, the inner part of the fixed sleeve 172 is provided with a telescopic sleeve 177, one end of the telescopic sleeve 177 is in contact with the sliding sleeve 176, the other end of the telescopic sleeve 177 is in contact with the fixed sleeve 172, the inner part of the connecting seat 6 can be sealed through the design of the telescopic sleeve 177, the fixed sleeve 172 is in contact with the connecting seat 6, the connecting sleeve 171, the fixed sleeve 172, the sliding sleeve 176 and the telescopic sleeve 177 are moved to the specified position on the connecting seat 6, then the plug rod 173 is moved to be inserted into the inner part of the connecting seat 6 from the connecting sleeve 171, so that the elastic clamping ring 175 is clamped into the plug rod 173, so that the fixed sleeve 172, the telescopic sleeve 177 and other components are limited in position, so that the inner part of the connecting seat 6 is sealed, and the device is convenient to use.

[0024] The specific implementation process of the utility model is as follows: when the device is used, the connecting sleeve 171 is moved to the direction of the connecting seat 6, the connecting sleeve 171 drives the fixed sleeve 172, the sliding sleeve 176 and the telescopic sleeve 177 and other components to move, the connecting sleeve 171 and the fixed sleeve 172 and other components are moved to the specified position on the connecting seat 6, then the sliding sleeve 176 is moved to the sliding block 9, then the moving block 174 drives the plug rod 173 to move, the plug rod 173 is moved to be inserted into the connecting seat 6 from the connecting sleeve 171, so that the elastic clamping ring 175 is clamped into the plug rod 173, so that the fixed sleeve 172, the telescopic sleeve 177 and other components are limited in position, so that the inner part of the connecting seat 6 is sealed, and the device is convenient to use;

[0025] When the device is used, the pull ring 11 is pulled to move to the telescopic sleeve 177 direction, the pull ring 11 moves to drive the connecting block 10 to move, the connecting block 10 moves to drive the sliding block 9 to move, the sliding block 9 moves to drive the sliding sleeve 176 and the slide rod 8 to move, the sliding sleeve 176 moves to compress the telescopic sleeve 177, the slide rod 8 moves to drive the sliding block 5 to move, the sliding block 5 moves to drive the guide block 14 to move, the guide block 14 moves to drive the groove 15 to move, the groove 15 moves to drive the ball 16 to move, the sliding block 5 moves out of the annular groove 4, then moves the screw rod 2, the rotating block 3 and the annular groove 4 to the specified position on the rubber shock-absorbing connecting shaft main body 1, releases the pull ring 11, the elastic force of the spring 12 pushes the sliding block 5 to move, the sliding block 5 moves to drive the slide rod 8 and other components to move, the sliding block 5 moves into the annular groove 4, and further makes the screw rod 2 be limited, prevents the screw rod 2 on the device from loosening after long time use.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rubber shock-absorbing coupling shaft comprising a rubber shock-absorbing coupling shaft main body (1), characterized by: The inside of the rubber shock-absorbing coupling shaft body (1) is provided with a screw rod (2), the screw rod (2) is fixedly connected with a rotating block (3), the rotating block (3) is in contact with the rubber shock-absorbing coupling shaft body (1), the inside of the rotating block (3) is provided with an annular groove (4), the inside of the annular groove (4) is slidably connected with a sliding block (5), the outside of the rubber shock-absorbing coupling shaft body (1) is fixedly connected with a connecting seat (6), the inside of the connecting seat (6) is provided with a sliding groove (7), the inside of the sliding groove (7) is slidably connected with a sliding rod (8), the sliding rod (8) is fixedly connected with a sliding block (9), the sliding block (9) is slidably connected with the connecting seat (6), the inside of the connecting seat (6) is provided with a spring (12), the inside of the connecting seat (6) is provided with a guide groove (13), the inside of the guide groove (13) is slidably connected with a guide block (14), the inside of the guide block (14) is provided with a recess (15), the guide block (14) is fixedly connected with the sliding block (5), the rotating block (3) is in contact with the connecting seat (6), the connecting seat (6) is slidably connected with the sliding block (5), the sliding block (5) is fixedly connected with the sliding rod (8), the outside of the connecting seat (6) is provided with a sealing mechanism (17).

2. A rubber cushioned universal joint according to claim 1, wherein: The sliding block (9) is fixedly connected with a connecting block (10), the connecting block (10) is fixedly connected with a pull ring (11) away from the sliding block (9).

3. A rubber cushioned union shaft according to claim 1, wherein: One end of the spring (12) is fixedly connected with the sliding block (5), the other end of the spring (12) is fixedly connected with the connecting seat (6).

4. A rubber cushioned union shaft according to claim 1, wherein: The inside of the recess (15) is provided with a ball (16), the ball (16) is in contact with the connecting seat (6).

5. A rubber cushioned union shaft according to claim 1, wherein: The sealing mechanism (17) comprises a connecting sleeve (171), the outside of the connecting seat (6) is in contact with the connecting sleeve (171), the inside of the connecting sleeve (171) is fixedly connected with a fixed sleeve (172), the inside of the connecting seat (6) is in contact with a plug rod (173), the plug rod (173) is in contact with the connecting sleeve (171), the plug rod (173) is fixedly connected with a moving block (174), the moving block (174) is in contact with the connecting sleeve (171), the inside of the fixed sleeve (172) is slidably connected with a sliding sleeve (176), the outside of the connecting seat (6) is slidably connected with the sliding sleeve (176), the inside of the sliding sleeve (176) is in contact with the sliding block (9), the inside of the fixed sleeve (172) is provided with an expansion sleeve (177), the fixed sleeve (172) is in contact with the connecting seat (6).

6. A rubber cushioned universal joint according to claim 5, wherein: The inside of the plug rod (173) is clamped with an elastic clamping ring (175), the elastic clamping ring (175) is fixedly connected with the connecting seat (6).

7. A rubber cushioned union shaft according to claim 5, wherein: One end of the expansion sleeve (177) is connected with the sliding sleeve (176), the other end of the expansion sleeve (177) is connected with the fixed sleeve (172).

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