Gear shifting mechanism convenient to fix

Abstract

The gear shifting mechanism convenient to fix comprises a gear shifting device, a gear shifting handle, a moving groove and a limiting device, the moving groove is formed in the gear shifting device, the gear shifting handle is connected into the moving groove in a sliding mode, and the limiting device comprises a plurality of limiting holes, a limiting pin, a reset sleeve and a reset spring. The multiple limiting holes are formed in the gear shifting device, the limiting pins are slidably connected to the interiors of the limiting holes, one side of the reset sleeve is fixedly connected to one ends of the limiting pins, and the reset spring is arranged at one end of the reset sleeve. According to the gear shifting mechanism convenient and fast to fix, after the gear shifting handle is moved to a proper position in the moving groove, the reset sleeve is pushed through the reset spring, the limiting pin enters the limiting hole, the gear shifting handle is limited, and therefore the stability of the gear shifting handle in the using process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of speed reducer especially relates to a convenient fixed gear shifting mechanism. BACKGROUND

[0002] Speed reducer is a kind of independent component by being enclosed in rigid shell gear drive, worm drive, gear-worm drive is composed, commonly used as the speed reducer transmission device between prime mover and working machine, between prime mover and working machine or actuator, match rotational speed and transmit torque, it is widely used in modern machinery.

[0003] The patent application with the publication number CN221120878U proposed in the prior art can drive the position of the gear shifting shaft on the gear reducer to realize different working modes of the gear reducer, i.e. gear adjustment, by the cooperation of the rotating handle and the positioning notch, which can prevent gear shifting displacement and has the advantages of convenient operation, accurate rotation positioning and strong stability.

[0004] However, after the rotating handle is placed inside the positioning notch, the rotating handle is limited by the positioning notch, and the vibration generated during the use of the speed reducer causes the rotating handle to vibrate and move inside the positioning notch, which is easy to separate from the positioning notch, resulting in low stability during use.

[0005] Therefore, it is necessary to provide a convenient fixed gear shifting mechanism to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of convenient fixed gear shifting mechanism, solve the vibration generated during the use of present speed reducer, rotating handle moves inside the positioning notch, easy to separate from the positioning notch problem.

[0007] To solve the above technical problems, the utility model provides a kind of convenient fixed gear shifting mechanism, including: gear shifting device, gear shifting handle, mobile slot and limiting device;

[0008] The mobile slot is opened in the inside of the gear shifting device, and the gear shifting handle is slidably connected in the inside of the mobile slot.

[0009] The limiting device includes a plurality of limiting holes, a limiting pin, a reset sleeve and a reset spring, a plurality of limiting holes are opened in the inside of the gear shifting device, the limiting pin is slidably connected in the inside of the limiting hole, one side of the reset sleeve is fixedly connected to one end of the limiting pin, and the reset spring is arranged at one end of the reset sleeve.

[0010] Preferably, the surface of the shift handle is fixedly connected with clamping blocks on both sides, and the inside of the reset sleeve is provided with two clamping grooves matched with the clamping blocks.

[0011] Preferably, the surface of the reset sleeve is fixedly connected with a protective sleeve, and the protective sleeve is slidingly connected to the surface of the shift handle.

[0012] Preferably, one side of the shift device is provided with a locking device, the locking device comprises a locking groove, a moving handle, a connecting rod, a moving frame, a moving rod, a supporting rod, a locking piece and a restoring spring, the locking groove is arranged in the inside of the shift device, the moving handle is slidingly connected to the inside of the locking groove, the connecting rod is arranged in the inside of the moving handle, the moving frame is fixedly installed at one end of the connecting rod, the moving rod is arranged in the inside of the moving frame, one end of the supporting rod is arranged at one side of the shift device, one end of the locking piece is fixedly installed at one end of the moving rod, and one end of the restoring spring is fixedly installed on the surface of the moving frame.

[0013] Preferably, the other end of the restoring spring is fixedly installed at one side of the shift device.

[0014] Preferably, one side of the shift device is provided with a fixing device, the fixing device comprises a fixing frame, a fixing block, a fixing pin and a fixing seat, one side of the fixing frame is fixedly connected to one side of the shift device, the fixing block is slidingly connected to the surface of the fixing frame, the fixing pin is screwedly connected to the inside of the fixing block, and the top of the fixing seat is rotatably connected to one end of the fixing pin.

[0015] Preferably, the fixing device further comprises an anti-skid pad, and the top of the anti-skid pad is fixedly connected to the bottom of the fixing seat.

[0016] Compared with the related art, the shift mechanism provided by the utility model has the following beneficial effects:

[0017] The utility model provides a kind of shift mechanism of convenient fixation, by moving to the inside of mobile groove in shift handle to appropriate position, by reset spring push reset sleeve, make limiting pin enter to the inside of limiting hole, limit shift handle, to increase the stability of shift handle when using. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic view of the first embodiment of the shift mechanism of convenient fixation provided by the utility model;

[0019] Figure 2 It is the structure schematic view of the shift mechanism of convenient fixation provided by the utility model; Figure 1 ​

[0020] Figure 3 For Figure 2 The enlarged schematic view of A part shown in figure 1;

[0021] Figure 4 The structure schematic view of the second embodiment of the convenient fixed gear shifting mechanism provided by the utility model;

[0022] Figure 5 For Figure 4 The enlarged schematic view of B part shown in figure 1.

[0023] Mark number in drawing: 1, gear shifting device, 2, gear shifting handle, 3, moving groove, 4, limiting device, 41, limiting hole, 42, limiting pin, 43, reset sleeve, 44, reset spring, 5, locking device, 51, locking groove, 52, moving handle, 53, connecting rod, 54, moving frame, 55, moving rod, 56, support rod, 57, locking piece, 58, recovery spring, 6, protective sleeve, 7, fixing device, 71, fixing frame, 72, fixing block, 73, fixing pin, 74, fixing seat, 75, non-slip pad, 8, clamping block. Specific implementation

[0024] The utility model will be further explained in connection with the drawings and implementation.

[0025] First embodiment

[0026] Please combine with reference to Figure 1 , Figure 2 And Figure 3 Among them, Figure 1 The structure schematic view of the first embodiment of the convenient fixed gear shifting mechanism provided by the utility model; Figure 2 For Figure 1 The structure schematic view of limiting device shown in figure 1; Figure 3 For Figure 2 The enlarged schematic view of A part shown in figure 1. A kind of convenient fixed gear shifting mechanism, including: gear shifting device 1, gear shifting handle 2, moving groove 3 and limiting device 4;

[0027] The moving groove 3 is opened in the inside of the gear shifting device 1, and the gear shifting handle 2 is slidingly connected in the inside of the moving groove 3;

[0028] The limiting device 4 includes multiple limiting holes 41, limiting pins 42, reset sleeves 43 and reset springs 44, multiple limiting holes 41 are opened in the inside of the gear shifting device 1, the limiting pin 42 is slidingly connected in the inside of the limiting hole 41, one side of the reset sleeve 43 is fixedly connected to one end of the limiting pin 42, and the reset spring 44 is arranged at one end of the reset sleeve 43.

[0029] The plurality of limiting holes 41 are arranged in the reverse direction of the circumference of the rotating end of the shift handle 2, so that when the shift handle 2 is rotated to the appropriate position, the limiting pin 42 is inserted into the limiting hole 41 to limit the shift handle 2.

[0030] The reset sleeve 43 is slidingly connected to the surface of the shift handle 2, and the reset spring 44 is sleeved on the surface of the shift handle 2.

[0031] One end of the shift handle 2 is fixedly installed on the input end of the gear shifting device 1, and is used to drive the gear shifting device 1 through the shift handle 2.

[0032] The surface of the shift handle 2 is fixedly connected with the clamping block 8 on both sides, and the inside of the reset sleeve 43 is provided with two clamping grooves matched with the clamping block 8.

[0033] The clamping groove is a through groove, and the clamping block 8 is slidingly connected to the temple of the clamping groove, so that the clamping block 8 cooperates with the clamping groove to prevent the water sleeve 43 from rotating when moving.

[0034] The surface of the reset sleeve 43 is fixedly connected with the protective sleeve 6, and the protective sleeve 6 is slidingly connected to the surface of the shift handle 2.

[0035] The protective sleeve 6 is used to facilitate the user to directly pull the protective sleeve 6 to move the reset sleeve 43, and the shift handle 2 is moved by moving the protective sleeve 6.

[0036] The gear shifting device 1 is provided with a locking device 5 on one side, and the locking device 5 comprises a locking groove 51, a moving handle 52, a connecting rod 53, a moving frame 54, a moving rod 55, a supporting rod 56, a locking piece 57 and a restoring spring 58. The locking groove 51 is arranged in the inside of the gear shifting device 1, the moving handle 52 is slidingly connected to the inside of the locking groove 51, the connecting rod 53 is arranged in the inside of the moving handle 52, the moving frame 54 is fixedly installed on one end of the connecting rod 53, the moving rod 55 is arranged in the inside of the moving frame 54, one end of the supporting rod 56 is arranged on one side of the gear shifting device 1, one end of the locking piece 57 is fixedly installed on one end of the moving rod 55, and one end of the restoring spring 58 is fixedly installed on the surface of the moving frame 54.

[0037] One end of the moving frame 54 is rotatably connected to one side of the gear shifting device 1, and the moving rod 55 is slidingly connected to the inside of the supporting rod 56, so that when the moving frame 54 moves, the moving rod 55 moves, and the moving rod 55 moves in the inside of the supporting rod 56.

[0038] One end of the locking piece 57 is rotatably connected to the surface of the supporting rod 56.

[0039] The shift device 1 is internally provided with a circular rod, the surface of the circular rod is rotationally connected with a rotating ring, one end of the moving handle 52 is rotationally connected to the surface of the rotating ring, so that the one end of the moving handle 52 can be rotated in the left-right position and the up-down position.

[0040] The other end of the restoring spring 58 is fixedly installed on one side of the shift device 1.

[0041] The restoring spring 58 is used for limiting the moving frame 54.

[0042] When the speed reducer needs to be loosened, the moving handle 52 is pressed downward and moved to one side, so as to move to one side in the locking groove 51, when the moving handle 52 moves, the connecting rod 53 connected with the moving frame 54 moves downward, so as to drive the moving rod 55 to move to one side in the supporting rod 56, push one end of the locking piece 57 to move to one side, so that the inner wall surface of the locking piece 57 is separated from the rotating wheel, and when the moving frame 54 moves downward, one end rotates to one side, and the other end drives the restoring spring 58 to stretch.

[0043] When the speed reducer needs to be locked, the moving handle 52 is moved to the other side, so as to drive the connecting rod 53 connected with the moving frame 54 to move to one side, so that the moving rod 55 connected with one end of the locking piece 57 moves, the locking piece 57 tightens the inner wall to contact the surface of the rotating wheel, and is limited, and the restoring spring 58 resets.

[0044] The working principle of the shift mechanism provided by the utility model is as follows:

[0045] When the shift handle 2 needs to be moved, the reset sleeve 43 is moved to one side to drive the limiting pin 42 to move and separate in the limiting hole 41, and the reset sleeve 43 extrudes the reset spring 44.

[0046] After the shift handle 2 is moved to one side and moved to the appropriate position in the moving groove 3, the reset sleeve 43 is loosened, the reset spring 44 pushes the reset sleeve 43 connected with the limiting pin 42 to move to one side into the limiting hole 41, and the shift handle 2 is limited.

[0047] Compared with the related art, the shift mechanism provided by the utility model has the following beneficial effects:

[0048] The utility model provides a kind of conveniently fixed gear shift mechanism, by moving to the inside of moving groove 3 in gear shift handle 2 after being moved to suitable position, by reset spring 44 is pushed reset sleeve 43, limit pin 42 is entered to the inside of limit hole 41, gear shift handle 2 is limited, to increase the stability of gear shift handle when using.

[0049] Second embodiment

[0050] Please see Figure 4 And Figure 5 Based on the first embodiment of the present application, a kind of conveniently fixed gear shift mechanism is provided, and the second embodiment of the present application proposes another kind of conveniently fixed gear shift mechanism. Second embodiment is only the preferred mode of first embodiment, and the implementation of second embodiment does not cause influence to the single implementation of first embodiment.

[0051] Specifically, the difference between the second embodiment of the present application provides a kind of conveniently fixed gear shift mechanism is that a kind of conveniently fixed gear shift mechanism, the side of gear shift device 1 is provided with fixing device 7, the fixing device 7 includes fixed frame 71, fixed block 72, fixed pin 73 and fixed seat 74, the side of the fixed frame 71 is fixedly connected to the side of the gear shift device 1, the fixed block 72 is slidably connected to the surface of the fixed frame 71, the fixed pin 73 is screwedly connected to the inside of the fixed block 72, the top of the fixed seat 74 is rotatably connected to one end of the fixed pin 73.

[0052] Fixed pin 73 reset threaded rod, the inside of fixed block 72 is provided with the screw hole matched with fixed pin 73, for when fixed pin 73 rotates to one side, fixed pin 73 moves in the inside of screw hole.

[0053] One end of fixed pin 73 is fixedly connected with fixed handle, for conveniently rotating fixed pin 73.

[0054] The fixing device 7 further includes anti-skid pad 75, and the top of the anti-skid pad 75 is fixedly connected to the bottom of the fixed seat 74.

[0055] Anti-skid pad 75 is used to increase the friction between fixed seat 74 and protective sleeve 6, so as to increase the fixing effect of fixed seat 74.

[0056] The working principle of the conveniently fixed gear shift mechanism provided by the utility model is as follows:

[0057] In use, the fixed pin 73 is moved to one side to drive the fixed block 72 to move to one side inside the fixed frame 71, when the fixed block 72 is moved to one side to the appropriate position, the fixed pin 73 is rotated to one side to drive the fixed pin 73 to move to one side inside the fixed block 72, thereby driving the fixed seat 74 to move downward to contact the surface of the protective sleeve 6 and then limiting it.

[0058] When the protective sleeve 6 needs to be moved, the fixed pin 73 is reversed to drive the fixed seat 74 to move upward and separate from the surface of the protective sleeve 6.

[0059] Compared with the related art, the shift mechanism provided by the utility model has the following beneficial effects:

[0060] The utility model provides a kind of shift mechanism of convenient fixed, and the stability of limiting device 4 is increased when limiting gear lever 2 by fixed device 7 to limit protective sleeve 6.

[0061] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A shift mechanism which is easily fixed, characterized by Include: Gearshift device, shift handle, moving groove and limiting device; The moving groove is opened in the inside of the gearshift device, and the shift handle is slidingly connected in the inside of the moving groove; The limiting device includes a plurality of limiting holes, a limiting pin, a reset sleeve and a reset spring, a plurality of limiting holes are opened in the inside of the gearshift device, the limiting pin is slidingly connected in the inside of the limiting hole, one side of the reset sleeve is fixedly connected with one end of the limiting pin, and the reset spring is arranged at one end of the reset sleeve.

2. A shift mechanism according to claim 1, wherein Both sides of the surface of the shift handle are fixedly connected with clamping blocks, and the inside of the reset sleeve is provided with two clamping grooves matched with the clamping blocks.

3. A shift mechanism according to claim 2, wherein The surface of the reset sleeve is fixedly connected with a protective sleeve, and the protective sleeve is slidingly connected with the surface of the shift handle.

4. The shift mechanism of claim 1, wherein, One side of the gearshift device is provided with a locking device, the locking device includes a locking groove, a moving handle, a connecting rod, a moving frame, a moving rod, a supporting rod, a locking piece and a recovery spring, the locking groove is opened in the inside of the gearshift device, the moving handle is slidingly connected in the inside of the locking groove, the connecting rod is arranged in the inside of the moving handle, the moving frame is fixedly installed at one end of the connecting rod, the moving rod is arranged in the inside of the moving frame, one end of the supporting rod is arranged on one side of the gearshift device, one end of the locking piece is fixedly installed on one end of the moving rod, and one end of the recovery spring is fixedly installed on the surface of the moving frame.

5. A shift mechanism according to claim 4, wherein The other end of the recovery spring is fixedly installed on one side of the gearshift device.

6. A shift mechanism according to claim 5, wherein One side of the gearshift device is provided with a fixing device, the fixing device includes a fixing frame, a fixing block, a fixing pin and a fixing seat, one side of the fixing frame is fixedly connected with one side of the gearshift device, the fixing block is slidingly connected with the surface of the fixing frame, the fixing pin is threadedly connected in the inside of the fixing block, and the top of the fixing seat is rotatably connected with one end of the fixing pin.

7. A shift mechanism according to claim 6, wherein The fixing device further includes a non-slip pad, and the top of the non-slip pad is fixedly connected with the bottom of the fixing seat.

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