Transmission shaft

Abstract

The utility model relates to the technical field of transmission equipment, in particular to a transmission shaft which comprises a first fixed shaft, a second fixed shaft, a fixed seat, a bolt rod, a butt joint seat, a locking bolt, a movable block, a hydraulic spring, a first gasket, a protection assembly and a universal assembly. At the moment, a moving block extrudes a hydraulic spring, then a locking bolt is tightened, a first gasket can tighten the locking bolt better, the assembling precision is ensured, the contact area of the locking bolt can be increased, the loosening condition is prevented, a universal assembly is used for being connected with transmission equipment, a protection assembly is used for sealing the locking bolt, and the corrosion condition is avoided. And the first fixing shaft and the second fixing shaft are assembled and disassembled in this way, so that workers can carry the fixing shafts conveniently, and the workload of the workers is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission equipment, in particular to a transmission shaft. Background Art

[0002] A drive shaft is a device in a mechanical transmission system that is used to transmit power and torque. It consists of bearings at both ends and a shaft body in the middle. It is connected to other devices, such as transmissions, differentials, drive wheels, and engines, to achieve rotational transmission. Drive shafts are mainly divided into four types: linear drive shafts, directional drive shafts, universal joint drive shafts, and chuck drive shafts. Linear drive shafts and directional drive shafts can only rotate in the same direction, while universal joint drive shafts can transmit force and torque between two shafts with different rotation directions. Chuck drive shafts can meet changes in axial length and can transmit power and torque between two shafts. Drive shafts are generally made of steel, which is relatively bulky and the drive shafts are generally very long, so they are very troublesome to transport and store, and the storage warehouse occupies a large area.

[0003] The current drive shaft is long, which is not convenient for workers to carry, and it is difficult to move and turn in a small space, which is not conducive to improving the production efficiency of the drive shaft. Utility Model Content

[0004] The purpose of the utility model is to provide a transmission shaft, aiming to solve the problem in the prior art that the current transmission shaft is long, inconvenient for workers to carry, difficult to move and turn in a small space, and not conducive to improving the production efficiency of the transmission shaft.

[0005] To achieve the above-mentioned purpose, the utility model provides a transmission shaft, including a first fixed shaft, a second fixed shaft, a fixed seat, a latch rod, a docking seat, a locking bolt, a moving block, a hydraulic spring, a first gasket, a protective assembly and a universal assembly, wherein the fixed seat is fixedly connected to the first fixed shaft and is located at one end of the first fixed shaft, the latch rod is fixedly connected to the fixed seat and is located on one side of the fixed seat, the docking seat is arranged on one side of the fixed seat, the docking seat has a latch hole, the latch hole is slidably matched with the latch rod, the moving block is slidably connected to the docking seat and is located on the inner side wall of the latch hole, the hydraulic spring One end is fixedly connected to the docking seat and is located on the inner wall of the pin hole, the other end of the hydraulic spring is fixedly connected to the moving block and is located on one side of the moving block, the second fixed shaft is fixedly connected to the docking seat and is located on one side of the docking seat, the docking seat and the pin rod respectively have countersunk threaded holes, the countersunk threaded holes are threadedly matched with the locking bolt, the first gasket is detachably connected to the locking bolt and is located on the outer side wall of the locking bolt, and the first gasket is abutted against the docking seat, the protective assembly is arranged on the outer side wall of the docking seat, and the universal assembly is arranged at one end of the first fixed shaft.

[0006] In which, the protection assembly includes a sealing ring, an outer ring, a fixing ring and a fixing bolt, the outer ring is slidingly connected to the second fixed shaft and is located on the outer side wall of the second fixed shaft, the sealing ring is fixedly connected to the outer ring and is located on the inner side wall of the outer ring, and the sealing ring is in contact with the second fixed shaft, the fixing ring is fixedly connected to the fixing seat and is located on the outer side wall of the fixing seat, and the fixing ring is in contact with the outer ring, the fixing ring and the outer ring respectively have screw holes, and the screw holes are threadedly matched with the fixing bolts.

[0007] Wherein, the protection assembly further includes a second gasket, which is detachably connected to the fixing bolt and is located on the outer side wall of the fixing bolt, and the second gasket is in contact with the fixing ring.

[0008] In which, the universal joint assembly includes a base, a rotating shaft, an ear plate and a flange. The base is fixedly connected to the first fixed shaft and is located at one end of the first fixed shaft. The rotating shaft is fixedly connected to the base and is located on the inner wall of the base. The ear plate is rotatably connected to the rotating shaft and is located on the outer wall of the rotating shaft. The flange is fixedly connected to the ear plate and is located on one side of the ear plate.

[0009] Wherein, the transmission shaft further includes a connecting component, and the connecting component is arranged on the outer side wall of the first fixed shaft.

[0010] In which, the connecting assembly includes an oblique ring and a connecting plate, the oblique ring is fixedly connected to the first fixed shaft and is located on the outer side wall of the first fixed shaft, one end of the connecting plate is fixedly connected to the oblique ring and is located on the outer side wall of the oblique ring, and the other end of the connecting plate is fixedly connected to the fixing seat and is located on the outer side wall of the fixing seat.

[0011] The utility model relates to a transmission shaft, wherein the latch rod is aligned with the latch hole so that the fixing seat contacts the docking seat. At this time, the moving block squeezes the hydraulic spring, and then the locking bolt is tightened. The first gasket can better tighten the locking bolt to ensure assembly accuracy, and can also increase the contact area of ​​the locking bolt to prevent loosening. The universal joint assembly is used to connect the transmission equipment, and the protective assembly is used to seal the locking bolt to avoid corrosion. The first fixed shaft and the second fixed shaft are loaded and unloaded in this way, so that the staff can carry them easily, which effectively reduces the workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the present utility model.

[0014] Figure 2 It is an overall front view of the first embodiment of the present utility model.

[0015] Figure 3 This utility model Figure 2 AA line section view.

[0016] Figure 4 This utility model Figure 3 A magnified view of the local structure at point B.

[0017] Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the present utility model.

[0018] Figure 6 It is an overall front view of the second embodiment of the present utility model.

[0019] 101-first fixed shaft, 102-second fixed shaft, 103-fixed seat, 104-latch rod, 105-docking seat, 106-locking bolt, 107-moving block, 108-hydraulic spring, 109-first gasket, 110-protection assembly, 111-universal assembly, 112-sealing ring, 113-outer ring, 114-fixing ring, 115-fixing bolt, 116-second gasket, 117-base, 118-rotating shaft, 119-ear plate, 120-flange, 121-latch hole, 122-countersunk threaded hole, 123-screw hole, 201-connecting assembly, 202-oblique ring, 203-connecting plate. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 4 ,in, Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the present invention. Figure 2 This is a front view of the entire first embodiment of the present invention. Figure 3 This utility model Figure 2 AA line section view, Figure 4 This utility model Figure 3 A magnified view of the local structure at point B.

[0023] The utility model provides a transmission shaft, including a first fixed shaft 101, a second fixed shaft 102, a fixed seat 103, a latch rod 104, a docking seat 105, a locking bolt 106, a moving block 107, a hydraulic spring 108, a first gasket 109, a protective assembly 110 and a universal assembly 111, wherein the protective assembly 110 includes a sealing ring 112, an outer ring 113, a fixing ring 114, a fixing bolt 115 and a second gasket 116, and the universal assembly 111 includes a base 117, a rotating shaft 118, an ear plate 119 and a flange 120, the docking seat 105 has a latch hole 121, the docking seat 105 and the latch rod 104 respectively have a countersunk threaded hole 122, and the fixing ring 114 and the outer ring 113 respectively have a screw hole 123.

[0024] According to this specific embodiment, the fixing seat 103 is fixedly connected to the first fixing shaft 101 and is located at one end of the first fixing shaft 101. The latch rod 104 is fixedly connected to the fixing seat 103 and is located on one side of the fixing seat 103. The docking seat 105 is provided on one side of the fixing seat 103. The docking seat 105 has a latch hole 121. The latch hole 121 is slidably matched with the latch rod 104. The moving block 107 is slidably connected to the docking seat 105 and is located on the latch hole 121. The inner wall of the bolt hole 121, one end of the hydraulic spring 108 is fixedly connected to the docking seat 105 and is located on the inner wall of the bolt hole 121, the other end of the hydraulic spring 108 is fixedly connected to the moving block 107 and is located on one side of the moving block 107, the second fixed shaft 102 is fixedly connected to the docking seat 105 and is located on one side of the docking seat 105, the docking seat 105 and the bolt rod 104 respectively have a countersunk threaded hole 122, and the countersunk threaded hole 122 is threadedly matched with the locking bolt 106, The first washer 109 is detachably connected to the locking bolt 106 and is located on the outer side wall of the locking bolt 106. The first washer 109 abuts against the docking seat 105. The protection component 110 is provided on the outer side wall of the docking seat 105. The universal component 111 is provided at one end of the first fixed axis 101. The latch rod 104 is aligned with the latch hole 121 to make the fixing seat 103 contact the docking seat 105. At this time, the moving block 107 squeezes the hydraulic spring 108, and then tightens Tighten the locking bolt 106, the first gasket 109 can better tighten the locking bolt 106 to ensure assembly accuracy, and can also increase the contact area of ​​the locking bolt 106 to prevent loosening. The universal joint assembly 111 is used to connect the transmission equipment, and the protective assembly 110 is used to seal the locking bolt 106 to avoid corrosion. In this way, the first fixed shaft 101 and the second fixed shaft 102 are assembled and unassembled, which is convenient for staff to carry and effectively reduces the workload of staff.

[0025] Among them, the outer ring 113 is slidably connected to the second fixed shaft 102 and is located on the outer side wall of the second fixed shaft 102, the sealing ring 112 is fixedly connected to the outer ring 113 and is located on the inner side wall of the outer ring 113, and the sealing ring 112 contacts the second fixed shaft 102, the fixing ring 114 is fixedly connected to the fixing seat 103 and is located on the outer side wall of the fixing seat 103, and the fixing ring 114 contacts the outer ring 113, the fixing ring 114 and the outer ring 113 respectively have screw holes 123, and the screw holes 123 are threadedly engaged with the fixing bolts 115, and the outer ring 113 is slid until the outer ring 113 and the fixing ring 114 are abutted. At this time, the sealing ring 112 moves on the second fixed shaft 102, and then the fixing bolts 115 are tightened. In this way, the locking bolts 106 are closed to avoid corrosion and reduce unnecessary cost losses.

[0026] Secondly, the second gasket 116 is detachably connected to the fixing bolt 115 and is located on the outer side wall of the fixing bolt 115. The second gasket 116 contacts the fixing ring 114. The second gasket 116 increases the contact area of ​​the fixing bolt 115 to prevent loosening.

[0027] At the same time, the base 117 is fixedly connected to the first fixed shaft 101 and is located at one end of the first fixed shaft 101. The rotating shaft 118 is fixedly connected to the base 117 and is located on the inner wall of the base 117. The ear plate 119 is rotatably connected to the rotating shaft 118 and is located on the outer wall of the rotating shaft 118. The flange 120 is fixedly connected to the ear plate 119 and is located on one side of the ear plate 119. The frame composed of the base 117, the ear plate 119 and the flange 120 is used to connect the transmission equipment, effectively improving the practicality of the first fixed shaft 101.

[0028] When using the drive shaft of the present invention, align the latch rod 104 with the latch hole 121 to make the fixing seat 103 contact the docking seat 105. At this time, the moving block 107 squeezes the hydraulic spring 108, and then tightens the locking bolt 106. The first gasket 109 can better tighten the locking bolt 106 to ensure assembly accuracy, and can also increase the contact area of ​​the locking bolt 106 to prevent loosening. The base 117, the ear plate 119 and the flange 120 constitute The frame is used to connect the transmission equipment, and the outer ring 113 is slid until the outer ring 113 is in contact with the fixing ring 114. At this time, the sealing ring 112 moves on the second fixed shaft 102, and then the fixing bolt 115 is tightened. In this way, the locking bolt 106 is closed to avoid corrosion and reduce unnecessary cost losses. In this way, the first fixed shaft 101 and the second fixed shaft 102 are loaded and unloaded for the convenience of staff in carrying, which effectively reduces the workload of staff.

[0029] Second embodiment:

[0030] Based on the first embodiment, please refer to Figure 5 and Figure 6 ,in, Figure 5 This is a schematic diagram of the overall structure of the second embodiment of the present invention. Figure 6 It is an overall front view of the second embodiment of the present utility model.

[0031] The utility model provides a transmission shaft, further comprising a connecting assembly 201 , wherein the connecting assembly 201 comprises an oblique ring 202 and a connecting plate 203 .

[0032] For this specific embodiment, the connecting component 201 is arranged on the outer wall of the first fixed shaft 101. The connecting component 201 is added to improve the connectivity between the fixing seat 103 and the first fixed shaft 101, avoid breakage at the connection, and extend the service life of the first fixed shaft 101.

[0033] Among them, the oblique ring 202 is fixedly connected to the first fixed shaft 101 and is located on the outer wall of the first fixed shaft 101. One end of the connecting plate 203 is fixedly connected to the oblique ring 202 and is located on the outer wall of the oblique ring 202. The other end of the connecting plate 203 is fixedly connected to the fixing seat 103 and is located on the outer wall of the fixing seat 103. The cooperation between the oblique ring 202 and the connecting plate 203 improves the connectivity between the fixing seat 103 and the first fixed shaft 101, avoids breakage at the connection, and extends the service life of the first fixed shaft 101.

[0034] When using a transmission shaft of the present invention, the cooperation between the bevel ring 202 and the connecting plate 203 improves the connectivity between the fixing seat 103 and the first fixed shaft 101, avoids breakage at the connection, and extends the service life of the first fixed shaft 101.

[0035] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A transmission shaft, characterized in that: The invention comprises a first fixed shaft, a second fixed shaft, a fixed seat, a latch rod, a docking seat, a locking bolt, a moving block, a hydraulic spring, a first gasket, a protective assembly and a universal assembly, wherein the fixed seat is fixedly connected to the first fixed shaft and is located at one end of the first fixed shaft, the latch rod is fixedly connected to the fixed seat and is located on one side of the fixed seat, the docking seat is arranged on one side of the fixed seat, the docking seat has a latch hole, the latch hole is slidably matched with the latch rod, the moving block is slidably connected to the docking seat and is located on the inner side wall of the latch hole, one end of the hydraulic spring is fixedly connected to the docking seat The cam is fixedly connected to the docking seat and is located on the inner wall of the latch hole. The other end of the hydraulic spring is fixedly connected to the moving block and is located on one side of the moving block. The second fixed shaft is fixedly connected to the docking seat and is located on one side of the docking seat. The docking seat and the latch rod respectively have countersunk threaded holes, and the countersunk threaded holes are threadedly matched with the locking bolt. The first gasket is detachably connected to the locking bolt and is located on the outer side wall of the locking bolt, and the first gasket is abutted against the docking seat. The protective component is arranged on the outer side wall of the docking seat, and the universal component is arranged at one end of the first fixed shaft.

2. The transmission shaft according to claim 1, wherein: The protection assembly includes a sealing ring, an outer ring, a fixing ring and a fixing bolt. The outer ring is slidingly connected to the second fixed shaft and is located on the outer side wall of the second fixed shaft. The sealing ring is fixedly connected to the outer ring and is located on the inner side wall of the outer ring, and the sealing ring is in contact with the second fixed shaft. The fixing ring is fixedly connected to the fixing seat and is located on the outer side wall of the fixing seat, and the fixing ring is in contact with the outer ring. The fixing ring and the outer ring respectively have screw holes, and the screw holes are threadedly matched with the fixing bolts.

3. The transmission shaft according to claim 2, wherein: The protection assembly further includes a second gasket, which is detachably connected to the fixing bolt and is located on the outer side wall of the fixing bolt, and the second gasket is in contact with the fixing ring.

4. The transmission shaft according to claim 3, wherein: The universal joint assembly includes a base, a rotating shaft, an ear plate and a flange. The base is fixedly connected to the first fixed shaft and is located at one end of the first fixed shaft. The rotating shaft is fixedly connected to the base and is located on the inner wall of the base. The ear plate is rotatably connected to the rotating shaft and is located on the outer wall of the rotating shaft. The flange is fixedly connected to the ear plate and is located on one side of the ear plate.

5. The transmission shaft according to claim 4, wherein: The transmission shaft further includes a connecting assembly, and the connecting assembly is arranged on the outer side wall of the first fixed shaft.

6. The transmission shaft according to claim 5, wherein: The connecting assembly includes an oblique ring and a connecting plate. The oblique ring is fixedly connected to the first fixed shaft and is located on the outer side wall of the first fixed shaft. One end of the connecting plate is fixedly connected to the oblique ring and is located on the outer side wall of the oblique ring. The other end of the connecting plate is fixedly connected to the fixing seat and is located on the outer side wall of the fixing seat.

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