Adjustable driven wheel

Abstract

The utility model relates to the technical field of mechanical parts, in particular to an adjustable driven wheel which comprises a fixing plate, a driving wheel, an adjusting assembly, a driven wheel body and a transmission belt, the driving wheel is rotationally connected with the fixing plate and located on the outer side of the fixing plate, the adjusting assembly comprises an adjusting disc, a driving piece, a sliding piece and a detaching piece, and the adjusting disc is fixedly connected with the driving piece. The driving part is fixedly connected with the fixed plate and located in the fixed plate, the sliding part is in threaded connection with the driving part and located on the outer side of the driving part, the detaching part is in threaded connection with the sliding part and located on the outer side of the sliding part, and the driven wheel is detachably connected with the sliding part and located on the outer side of the fixed plate. And the driving belt is arranged on the outer sides of the driving wheel and the driven wheel in a sleeving mode, so that the crawler belt is conveniently and rapidly installed, adjustment can be conducted according to the tensioning force of the crawler belt after assembly is completed, the derailing rate of the device is reduced, and the using effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical accessories, in particular to an adjustable driven wheel. Background Art

[0002] The driving wheel is the wheel that provides power, outputs torque and power, and the driven wheel is the wheel that does not provide power, outputs power and torque. When the driven wheel transmits power to the driving wheel, it often twists and moves due to lateral force, affecting the transmission of power from the driving wheel.

[0003] To solve the above problems, the prior art patent (CN206487851U) discloses a driven wheel, including a driven wheel body, an upper shaft sleeve is arranged on the upper part of the driven wheel body, a middle shaft sleeve is arranged in the middle part of the driven wheel body, a lower shaft sleeve is arranged at the bottom of the driven wheel body, a retaining ring is arranged at the lower part of the middle shaft sleeve, and a bearing is arranged at the lower part of the retaining ring; the utility model has a simple structure, and the arrangement of the bearing can make the driven wheel body rotate stably on the center line without displacement; the arrangement of the retaining ring can prevent the driven wheel body from being displaced due to lateral force when twisting, thereby ensuring the transmission reliability; the addition of the upper shaft sleeve, the middle shaft sleeve and the lower shaft sleeve effectively prevents the radial runout of the driven wheel body and increases the stability of the transmission.

[0004] However, in the above-mentioned prior art, the driven wheel is fixed, which is not convenient for quick installation of the crawler track during assembly, and is not convenient for tensioning and adjusting after assembly, which easily leads to derailment of the crawler track. Utility Model Content

[0005] The utility model aims to provide an adjustable driven wheel, which solves the technical problems in the prior art that the driven wheel is fixed, it is not convenient to quickly install the crawler during assembly, it is not convenient to perform tension adjustment after assembly, and it is easy to cause the crawler to derail.

[0006] To achieve the above-mentioned purpose, the utility model adopts an adjustable driven wheel, including a fixed plate, a driving wheel, an adjusting assembly, a driven wheel and a transmission belt. The driving wheel is rotatably connected to the fixed plate and is located on the outside of the fixed plate. The adjusting assembly includes an adjusting disk, a driving member, a sliding member and a disassembling member. The adjusting disk is fixedly connected to the driving member and is located on the outside of the fixed plate. The driving member is fixedly connected to the fixed plate and is located inside the fixed plate. The sliding member is threadedly connected to the driving member and is located on the outside of the driving member. The disassembling member is threadedly connected to the sliding member and is located on the outside of the sliding member. The driven wheel is detachably connected to the sliding member and is located on the outside of the fixed plate. The transmission belt is sleeved on the outside of the driving wheel and the driven wheel.

[0007] Wherein, the driving member includes a fixing seat and a driving rod, the fixing seat is fixedly connected to the fixing plate and is located inside the fixing plate, the driving rod is rotatably connected to the fixing seat and is located outside the fixing seat, and the driving rod has threads.

[0008] Among them, the sliding member includes a moving block, two sliding blocks and a clamping seat, the moving block is threadedly connected to the driving rod and is located on the outside of the driving rod, and the driving rod passes through the moving block, the two sliding blocks are symmetrically arranged, the sliding block is fixedly connected to the moving block and is located on the outside of the moving block, and the clamping seat is rotationally connected to the moving block and is located on the outside of the moving block.

[0009] Wherein, the disassembly part includes a nut and a threaded rod, the nut is fixedly connected to the threaded rod and is located on the outside of the driven wheel, the threaded rod is threadedly connected to the driven wheel and is located inside the driven wheel, and the threaded rod passes through the clamping seat.

[0010] Wherein, the fixed plate has an adjusting groove adapted to the moving block, and the driven wheel has a clamping groove adapted to the clamping seat.

[0011] Wherein, the adjustable driven wheel also includes a rotating handle and an anti-slip cover, the rotating handle is rotatably connected to the adjusting disk and is located outside the adjusting disk, and the anti-slip cover is detachably connected to the rotating handle and is located outside the rotating handle.

[0012] The utility model discloses an adjustable driven wheel, wherein the driving member is fixedly connected to the fixing plate, the sliding member is threadedly connected to the driving member, and the disassembling member is threadedly connected to the sliding member. When in use, the disassembling member fixes the driven wheel to the outer side of the sliding member, the transmission belt is sleeved on the outer sides of the driving wheel and the driven wheel, and the adjusting disk is rotated, so that the driving member drives the sliding member to move, thereby adjusting the operation of the driven wheel according to the tensioning force of the transmission belt. This method can effectively solve the problem of inconvenience in quick installation and tension adjustment of the crawler track. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0015] Figure 2 It is a top view of the first embodiment of the utility model.

[0016] Figure 3 The utility model Figure 2 AA line structural section view.

[0017] Figure 4 It is a partial structural schematic diagram of the first embodiment of the utility model.

[0018] Figure 5 It is a structural schematic diagram of the second embodiment of the utility model.

[0019] 101-fixed plate, 102-driving wheel, 103-driven wheel, 104-transmission belt, 105-adjusting disk, 106-fixed seat, 107-driving rod, 108-moving block, 109-sliding block, 110-clamping seat, 111-nut, 112-threaded rod, 113-adjusting slot, 114-clamping slot, 201-rotating handle, 202-anti-slip sleeve. DETAILED DESCRIPTION

[0020] 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] The first embodiment of the present application is:

[0022] See also Figure 1 to Figure 4 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 is a top view of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line structural section view, Figure 4 It is a partial structural schematic diagram of the first embodiment of the utility model.

[0023] The utility model provides an adjustable driven wheel, including a fixed plate 101, a driving wheel 102, an adjusting component, a driven wheel 103 and a transmission belt 104, the adjusting component includes an adjusting disk 105, a driving member, a sliding member and a disassembling member, the driving member includes a fixed seat 106 and a driving rod 107, the sliding member includes a moving block 108, two sliding blocks 109 and a clamping seat 110, and the disassembling member includes a nut 111 and a threaded rod 112. The above scheme solves the problem that the driven wheel 103 is fixed, which is not convenient for quick installation of the crawler during assembly, and is not convenient for tensioning adjustment after assembly, which easily leads to derailment of the crawler.

[0024] According to the present specific embodiment, the driving wheel 102 is rotatably connected to the fixed plate 101 and is located on the outside of the fixed plate 101. The adjusting assembly includes an adjusting disk 105, a driving member, a sliding member and a disassembling member. The adjusting disk 105 is fixedly connected to the driving member and is located on the outside of the fixed plate 101. The driving member is fixedly connected to the fixed plate 101 and is located inside the fixed plate 101. The sliding member is threadedly connected to the driving member and is located on the outside of the driving member. The disassembling member is threadedly connected to the sliding member and is located on the outside of the sliding member. The driven wheel 103 is detachably connected to the sliding member and is located on the outside of the fixed plate 101. The transmission belt 1 04 is sleeved on the outer side of the driving wheel 102 and the driven wheel 103, the driving wheel 102 rotates on the outer side of the fixing plate 101, the disassembling part fixes the driven wheel 103 on the outer side of the sliding part, and the position of the driven wheel 103 is adjusted by the adjusting disk 105 to facilitate the installation of the transmission belt 104, the transmission belt 104 is sleeved on the outer side of the driving wheel 102 and the driven wheel 103, and the adjusting disk 105 is rotated again, and the driving part drives the sliding part to move, thereby adjusting the working position of the driven wheel 103 according to the tensioning force of the transmission belt 104. This method can effectively solve the problem of inconvenience in quick installation and tension adjustment of the crawler track.

[0025] Among them, the fixed seat 106 is fixedly connected to the fixed plate 101 and is located in the fixed plate 101, the driving rod 107 is rotatably connected to the fixed seat 106 and is located on the outside of the fixed seat 106, and the driving rod 107 has a thread, the adjusting disk 105 drives the driving rod 107 to rotate in the fixed seat 106, and the fixed seat 106 is fixed in the fixed plate 101.

[0026] Secondly, the moving block 108 is threadedly connected to the driving rod 107 and is located on the outside of the driving rod 107, and the driving rod 107 passes through the moving block 108. The two sliding blocks 109 are symmetrically arranged, and the sliding blocks 109 are fixedly connected to the moving block 108 and are located on the outside of the moving block 108. The clamping seat 110 is rotationally connected to the moving block 108 and is located on the outside of the moving block 108. The driving rod 107 drives the moving block 108 to move. The two sliding blocks 109 prevent the moving block 108 from offsetting when moving. The clamping seat 110 is used to be detachably connected to the driven wheel 103, and the clamping seat 110 has a connecting shaft inside, which is convenient for the clamping seat 110 to be rotationally connected to the moving block 108, thereby effectively improving the stability of the device when in use.

[0027] At the same time, the nut 111 is fixedly connected to the threaded rod 112 and is located on the outside of the driven wheel 103. The threaded rod 112 is threadedly connected to the driven wheel 103 and is located inside the driven wheel 103. The threaded rod 112 passes through the clamping seat 110. After the driven wheel 103 is clamped with the clamping seat 110, the nut 111 is rotated to connect the driven wheel 103 with the clamping seat 110 through the threaded rod 112, thereby fixing the driven wheel 103 to the outside of the moving block 108, so as to facilitate the disassembly and replacement of the driven wheel 103 and improve the convenience of the device.

[0028] In addition, the fixed plate 101 has an adjustment groove 113 adapted to the moving block 108, and the driven wheel 103 has a slot 114 adapted to the clamping seat 110. The moving block 108 is adjusted in the adjustment groove 113, and the driven wheel 103 is connected to the clamping seat 110 via the slot 114, which facilitates the disassembly and replacement of the driven wheel 103.

[0029] An adjustable driven wheel of the present embodiment is used, by setting a driving wheel 102, an adjusting assembly, a driven wheel 103 and a transmission belt 104. When it is used, the driving wheel 102 rotates on the outer side of the fixing plate 101, and the driven wheel 103 is connected to the clamping seat 110 through the clamping groove 114. The nut 111 is rotated, and the threaded rod 112 connects the driven wheel 103 to the clamping seat 110, so that the driven wheel 103 is fixed to the outer side of the moving block 108. The adjusting disk 105 is rotated to shrink the distance between the driven wheel 103 and the driving wheel 102, and the transmission belt 104 is sleeved on the outer sides of the driving wheel 102 and the driven wheel 103. The adjusting disk 105 is rotated, and the driving rod 107 rotates in the fixing seat 106. The driving rod 107 drives the moving block 108 to move. The two sliding blocks 109 prevent the moving block 108 from being offset when moving, thereby driving the driven wheel 103 to move outward, and adjusting the working position of the driven wheel 103 according to the tension of the transmission belt 104. After the assembly is completed, the driving wheel 102 drives the driven wheel 103 to rotate through the transmission belt 104, and the clamping seat 110 rotates with the driven wheel 103, so as to facilitate the rapid installation of the crawler track, and can be adjusted according to the tension of the crawler track after the assembly, thereby reducing the derailment rate of the device and improving the use effect.

[0030] The second embodiment of the present application is:

[0031] Based on the first embodiment, please refer to Figure 5 , Figure 5 It is a structural schematic diagram of the second embodiment of the utility model.

[0032] The utility model provides an adjustable driven wheel which also includes a rotating handle 201 and an anti-slip sleeve 202 .

[0033] According to this specific embodiment, the rotating handle 201 is rotatably connected to the adjusting disk 105 and is located on the outside of the adjusting disk 105. The anti-slip cover 202 is detachably connected to the rotating handle 201 and is located on the outside of the rotating handle 201. The rotating handle 201 facilitates continuous rotation of the adjusting disk 105, and the anti-slip cover 202 prevents slipping when the rotating handle 201 is rotated.

[0034] An adjustable driven wheel of the present embodiment is used, by providing a rotating handle 201 and an anti-slip cover 202. When in actual use, the rotating handle 201 facilitates continuous rotation of the adjustment disk 105, and the anti-slip cover 202 prevents slipping when the rotating handle 201 is rotated, thereby improving the convenience of use of the structure.

[0035] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. An adjustable driven wheel, comprising a fixing plate, characterized in that: The invention also includes a driving wheel, an adjusting assembly, a driven wheel and a transmission belt. The driving wheel is rotatably connected to the fixed plate and is located on the outer side of the fixed plate. The adjusting assembly includes an adjusting disk, a driving member, a sliding member and a disassembling member. The adjusting disk is fixedly connected to the driving member and is located on the outer side of the fixed plate. The driving member is fixedly connected to the fixed plate and is located inside the fixed plate. The sliding member is threadedly connected to the driving member and is located on the outer side of the driving member. The disassembling member is threadedly connected to the sliding member and is located on the outer side of the sliding member. The driven wheel is detachably connected to the sliding member and is located on the outer side of the fixed plate. The transmission belt is sleeved on the outer sides of the driving wheel and the driven wheel.

2. The adjustable driven wheel according to claim 1, characterized in that: The driving member includes a fixing seat and a driving rod, wherein the fixing seat is fixedly connected to the fixing plate and is located inside the fixing plate, and the driving rod is rotatably connected to the fixing seat and is located outside the fixing seat, and the driving rod has threads.

3. The adjustable driven wheel according to claim 2, characterized in that: The sliding member includes a moving block, two sliding blocks and a clamping seat. The moving block is threadedly connected to the driving rod and is located on the outside of the driving rod, and the driving rod passes through the moving block. The two sliding blocks are symmetrically arranged. The sliding block is fixedly connected to the moving block and is located on the outside of the moving block. The clamping seat is rotationally connected to the moving block and is located on the outside of the moving block.

4. The adjustable driven wheel according to claim 3, characterized in that: The disassembly member includes a nut and a threaded rod, wherein the nut is fixedly connected to the threaded rod and is located outside the driven wheel, the threaded rod is threadedly connected to the driven wheel and is located inside the driven wheel, and the threaded rod passes through the clamping seat.

5. The adjustable driven wheel according to claim 4, characterized in that: The fixed plate has an adjusting groove matched with the moving block, and the driven wheel has a clamping groove matched with the clamping seat.

6. The adjustable driven wheel according to claim 5, characterized in that: The adjustable driven wheel also includes a rotating handle and an anti-skid sleeve, wherein the rotating handle is rotatably connected to the adjusting disk and is located outside the adjusting disk, and the anti-skid sleeve is detachably connected to the rotating handle and is located outside the rotating handle.

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