Anti-impact loader rocker arm

Abstract

The utility model belongs to the field of shock-resistant loader rocker arms, and particularly relates to a shock-resistant loader rocker arm which comprises a first rocker arm assembly, a second rocker arm assembly is arranged in the first rocker arm assembly, a screw rod is connected into the first rocker arm assembly through threads, a handle is fixedly connected to the screw rod, and the second rocker arm assembly is fixedly connected to the handle. The screw is fixedly connected with a rotating block, and the side, away from the screw, of the rotating block is in contact with a connecting block. By designing components such as the screw rod, the handle, the rotating block, the connecting block, the first annular groove and the fixed block, the rotating screw rod and the first rocker arm assembly generate threaded motion, the screw rod rotates to drive components such as the semicircular sealing sleeve to move, and the semicircular sealing sleeve moves to make contact with the second rocker arm assembly; and therefore, the joint of the first rocker arm assembly and the second rocker arm assembly is sealed, the magnetorheological fluid in the first rocker arm assembly is prevented from leaking, and the device is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to loader rocker arm technical field, concretely is an anti -impact loader rocker arm. BACKGROUND

[0002] The anti -impact loader rocker arm is an important component of the loader, and the anti -impact loader rocker arm is an important guarantee for the loader, and has a very important role for guaranteeing the normal operation and use of the loader.A utility model discloses a rocker arm with anti -impact structure for loader, including first rocker arm and second rocker arm, the outside fixed connection of first rocker arm has the connecting block, the outside swing joint of connecting block has the connecting rod, the outside fixed connection of connecting rod has the eye -splicing, the outside fixed connection of eye -splicing has the limit block, the inner wall of second rocker arm is equipped with the limit slot, the inner wall screw connection of second rocker arm has fixed screw, the inner wall of connecting block is equipped with recess.The rocker arm with anti -impact structure for loader, through the recess of the cooperation of the connecting block that sets up, and the state change of the magnetic rheological fluid in the recess is realized when using, eliminates the torque force between first rocker arm and second rocker arm, avoids the relative vibration between first rocker arm and second rocker arm, avoids the fracture at the connecting place of first rocker arm and second rocker arm, and improves the service life of the loader.But the patent still has the following deficiencies, when the device is used for a long time, the device does not have a limiting mechanism, the fixed screw is inconvenient to limit, the fixed screw may be loose when the device is used for a long time, and the connecting place of the first rocker arm assembly and the second rocker arm assembly is inconvenient to seal, the magnetic rheological fluid in the first rocker arm assembly may leak, and the device is inconvenient to use. UTILITY MODEL CONTENTS

[0003] The utility model discloses an anti -impact loader rocker arm, solveed when the device is used for a long time, the device does not have a limiting mechanism, the fixed screw is inconvenient to limit, the fixed screw may be loose when the device is used for a long time, and the connecting place of the first rocker arm assembly and the second rocker arm assembly is inconvenient to seal, the magnetic rheological fluid in the first rocker arm assembly may leak, and the device is inconvenient to use.

[0004] To achieve the above object, the utility model provides the following technical scheme: An anti-impact loader rocker arm, including first rocker arm subassembly, the inside of first rocker arm subassembly is provided with second rocker arm subassembly, the inside of first rocker arm subassembly is connected with screw rod through screw thread, the fixed connection of handle is established to screw rod, the fixed connection of rotating block is established to screw rod, the side of rotating block away from screw rod is contacted with connecting block, the inside of connecting block is equipped with first annular groove, the inside of first rocker arm subassembly is contacted with semicircular sleeve, the inside of first rocker arm subassembly is contacted with semicircular sealing sleeve, the fixed connection of semicircular sealing sleeve and semicircular sleeve, semicircular sealing sleeve and second rocker arm subassembly contact, the inside of second rocker arm subassembly is provided with fixed screw, the fixed connection of fixed sleeve is established to the outside of fixed screw, the fixed sleeve and second rocker arm subassembly contact, the limit mechanism of being provided on second rocker arm subassembly. Through rotating screw rod and first rocker arm subassembly screw thread movement occurs, screw rod rotation drives semicircular sealing sleeve and other components move, semicircular sealing sleeve moves and contacts second rocker arm subassembly, and then the connecting place of first rocker arm subassembly and second rocker arm subassembly is sealed, prevents the magnetic rheological liquid in first rocker arm subassembly from leaking, so that the device is convenient to use.

[0005] Preferably, the inside of the first rocker arm subassembly is clamped with an elastic clamping block, and the elastic clamping block is fixedly connected with the handle. By designing the elastic clamping block, the handle can be limited.

[0006] Preferably, the inside of the first annular groove is slidably connected with a fixed block, and the fixed block is fixedly connected with the rotating block. By designing the rotating block, the fixed block can be connected.

[0007] Preferably, the limit mechanism comprises a second annular groove, the inside of the second annular groove is slidably connected with a sliding block, one end of the sliding block away from the second annular groove is fixedly connected with a support ring, the outside of the second rocker arm subassembly is fixedly connected with a connecting seat, the inside of the connecting seat is provided with a spring, the fixed sleeve is in contact with the connecting seat, and the connecting seat is slidably connected with the sliding block. By pulling the sliding block to move to the specified position, the fixed screw, the fixed sleeve and the second annular groove are installed to the specified position on the second rocker arm subassembly, and then the sliding block is moved into the second annular groove, so that the fixed screw is limited, preventing the fixed screw from loosening after long-term use of the device.

[0008] Preferably, the side of the support ring away from the sliding block is fixedly connected with a pull rod, and one end of the pull rod away from the support ring is fixedly connected with a pull block. By designing the pull block, the pull rod can be moved.

[0009] Preferably, one end of the spring is fixedly connected with the support ring, and the other end of the spring is fixedly connected with the connecting seat. By designing the spring, the support ring has a spring effect.

[0010] Preferably, the inside of the connecting seat is slidably connected with a pull rod, and the pull rod is made of iron material.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、 the utility model discloses a second annular groove, sliding block, support ring, draw bar, pull block and connecting seat etc.

[0013] 2、 the utility model discloses a screw rod, handle, rotating block, connecting block, first annular groove and fixed block etc. BRIEF DESCRIPTION OF DRAWINGS

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

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

[0016] Figure 3 It is the side view section view of the utility model; Figure 1

[0017] Figure 4 It is the screw rod enlarged view of the utility model; Figure 3

[0018] Figure 5 It is the A place enlarged view of the utility model; Figure 4

[0019] Figure 6 It is the B place enlarged view of the utility model; Figure 2

[0020] Figure 7 It is the C place enlarged view of the utility model. Figure 4

[0021] ​​​​​​In the figure: 1, the first rocker arm assembly; 2, the second rocker arm assembly; 3, the screw rod; 4, the handle; 5, the rotating block; 6, the connecting block; 7, the first annular groove; 8, the fixed block; 9, the semicircular sleeve; 10, the semicircular sealing sleeve; 11, the fixed screw; 12, the fixed sleeve; 13, the limiting mechanism; 131, the second annular groove; 132, the sliding block; 133, the supporting ring; 134, the pull rod; 135, the pull block; 136, the connecting seat; 137, the spring; 14, the elastic clamping block. DETAILED DESCRIPTION

[0022] 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 protection scope of the utility model.

[0023] Please refer to Figures 1-7 An impact-resistant loader rocker arm, comprising a first rocker arm assembly 1, the inside of the first rocker arm assembly 1 is provided with a second rocker arm assembly 2, the inside of the first rocker arm assembly 1 is connected with a screw rod 3 through screw thread, the screw rod 3 is fixedly connected with a handle 4, the inside of the first rocker arm assembly 1 is clamped with an elastic clamping block 14, the elastic clamping block 14 is fixedly connected with the handle 4, the elastic clamping block 14 can limit the handle 4 through design, the screw rod 3 is fixedly connected with a rotating block 5, the side, away from the screw rod 3, of the rotating block 5 contacts a connecting block 6, the inside of the connecting block 6 is provided with a first annular groove 7, the inside of the first annular groove 7 is slidably connected with a fixed block 8, the fixed block 8 is fixedly connected with the rotating block 5, the fixed block 8 can be connected through the design of the rotating block 5, the inside of the first rocker arm assembly 1 contacts a semicircular sleeve 9, the inside of the first rocker arm assembly 1 contacts a semicircular sealing sleeve 10, the semicircular sealing sleeve 10 is fixedly connected with the semicircular sleeve 9, the semicircular sealing sleeve 10 contacts the second rocker arm assembly 2, the inside of the second rocker arm assembly 2 is provided with a fixed screw 11, the outside of the fixed screw 11 is fixedly connected with a fixed sleeve 12, the fixed sleeve 12 contacts the second rocker arm assembly 2, the second rocker arm assembly 2 is provided with a limiting mechanism 13, the screw rod 3 and the first rocker arm assembly 1 are screwed to move through the rotating of the screw rod 3, the rotating of the screw rod 3 drives the semicircular sealing sleeve 10 and other components to move, the semicircular sealing sleeve 10 moves to contact the second rocker arm assembly 2, thereby the connection of the first rocker arm assembly 1 and the second rocker arm assembly 2 is sealed, preventing the magnetic rheological fluid in the first rocker arm assembly 1 from leaking, so that the device is convenient to use.

[0024] Please refer to Figure 6The limiting mechanism 13 comprises a second annular groove 131, a sliding block 132 is slidably connected inside the second annular groove 131, a supporting ring 133 is fixedly connected to one end of the sliding block 132 away from the second annular groove 131, a pull rod 134 is fixedly connected to one side of the supporting ring 133 away from the sliding block 132, a pull block 135 is fixedly connected to one end of the pull rod 134 away from the supporting ring 133, and the pull block 135 can drive the pull rod 134 to move.

[0025] Please refer to Figure 6 The outer side of the second rocker arm assembly 2 is fixedly connected with a connecting seat 136, the connecting seat 136 is provided with a spring 137 inside, one end of the spring 137 is fixedly connected with the supporting ring 133, the other end of the spring 137 is fixedly connected with the connecting seat 136, the spring 137 is designed to make the supporting ring 133 have an elastic force, the connecting seat 136 is slidably connected with the pull rod 134 inside, the pull rod 134 is made of iron material, the pull rod 134 is designed to be made of iron material, so that the pull rod 134 is more durable, the fixed sleeve 12 is in contact with the connecting seat 136, the connecting seat 136 is slidably connected with the sliding block 132, the sliding block 132 is pulled to move to a specified position, the fixed screw 11, the fixed sleeve 12 and the second annular groove 131 are installed on the specified position of the second rocker arm assembly 2, then the sliding block 132 is moved into the second annular groove 131, so that the fixed screw 11 is limited, and the device is prevented from loosening the fixed screw 11 after long-term use.

[0026] The specific implementation process of the utility model is as follows: the basic principle of the impact-resistant loader rocker arm has been disclosed in the utility model patent with the authorized announcement number CN216810049U;

[0027] When the device is used, the pull block 135 is pulled to move away from the connecting seat 136, the pull block 135 moves to drive the pull rod 134 to move, the pull rod 134 moves to drive the supporting ring 133 to move, the supporting ring 133 moves to drive the sliding block 132 to move, the supporting ring 133 moves to compress the spring 137, after the sliding block 132 moves to a specified position, the fixed screw 11, the fixed sleeve 12 and the second annular groove 131 are installed on the specified position of the second rocker arm assembly 2, then the pull block 135 is released, the elastic force of the spring 137 drives the supporting ring 133 to move, the supporting ring 133 moves to drive the sliding block 132 and other components to move, the sliding block 132 moves to a specified position in the second annular groove 131, so that the fixed screw 11 is limited, and the device is prevented from loosening the fixed screw 11 after long-term use;

[0028] When the connection of the first rocker arm assembly 1 and the second rocker arm assembly 2 needs to be sealed, the handle 4 is rotated, the handle 4 rotation drives the elastic block 14 screw rod 3 to rotate, the screw rod 3 rotation and the first rocker arm assembly 1 thread movement, in turn, the screw rod 3 generates relative displacement, the screw rod 3 rotation drives the rotating block 5 and the fixed block 8 to rotate, the rotating block 5 and the fixed block 8 rotation drives the connecting block 6 and the first annular groove 7 to move, the connecting block 6 moves drives the semicircular sleeve 9 to move, the semicircular sleeve 9 moves drives the semicircular sealing sleeve 10 to move, the semicircular sealing sleeve 10 moves contacts the second rocker arm assembly 2, in turn, the elastic block 14 is clamped into the specified position in the first rocker arm assembly 1, in turn, the first rocker arm assembly 1 and the second rocker arm assembly 2 connection is sealed, prevents the magnetic rheological fluid in the first rocker arm assembly 1 from leaking, so that the device is convenient to use.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations 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. An impact-resistant loader arm comprising a first arm assembly (1), characterized in that: The interior of the first rocker arm assembly (1) is provided with a second rocker arm assembly (2), the interior of the first rocker arm assembly (1) is connected with a screw rod (3) through a thread, the screw rod (3) is fixedly connected with a handle (4), the screw rod (3) is fixedly connected with a rotating block (5), one side of the rotating block (5) away from the screw rod (3) is in contact with a connecting block (6), the interior of the connecting block (6) is provided with a first annular groove (7), the interior of the first rocker arm assembly (1) is in contact with a semicircular sleeve (9), the interior of the first rocker arm assembly (1) is in contact with a semicircular sealing sleeve (10), the semicircular sealing sleeve (10) is fixedly connected with the semicircular sleeve (9), the semicircular sealing sleeve (10) is in contact with the second rocker arm assembly (2), the interior of the second rocker arm assembly (2) is provided with a fixing screw (11), the outer side of the fixing screw (11) is fixedly connected with a fixing sleeve (12), the fixing sleeve (12) is in contact with the second rocker arm assembly (2), the second rocker arm assembly (2) is provided with a limiting mechanism (13).

2. A shock absorbing loader arm as claimed in claim 1 wherein: The interior of the first rocker arm assembly (1) is connected with an elastic clamping block (14), the elastic clamping block (14) is fixedly connected with the handle (4).

3. A shock resistant loader arm as set forth in claim 1 wherein: The interior of the first annular groove (7) is slidably connected with a fixed block (8), the fixed block (8) is fixedly connected with the rotating block (5).

4. A shock resistant loader arm as set forth in claim 1, characterized in that: The limiting mechanism (13) comprises a second annular groove (131), the interior of the second annular groove (131) is slidably connected with a sliding block (132), one end of the sliding block (132) away from the second annular groove (131) is fixedly connected with a supporting ring (133), the outer side of the second rocker arm assembly (2) is fixedly connected with a connecting seat (136), the interior of the connecting seat (136) is provided with a spring (137), the fixing sleeve (12) is in contact with the connecting seat (136), the connecting seat (136) is slidably connected with the sliding block (132).

5. A shock absorbing loader arm as defined in claim 4 wherein: One side of the supporting ring (133) away from the sliding block (132) is fixedly connected with a pull rod (134), one end of the pull rod (134) away from the supporting ring (133) is fixedly connected with a pull block (135).

6. A shock absorbing loader arm as defined in claim 4 wherein: One end of the spring (137) is fixedly connected with the supporting ring (133), the other end of the spring (137) is fixedly connected with the connecting seat (136).

7. A shock resistant loader arm as set forth in claim 4 wherein: The interior of the connecting seat (136) is slidably connected with the pull rod (134), the pull rod (134) is made of iron material.

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