Zinc alloy transmission gear set

Abstract

The utility model discloses a zinc alloy transmission gear set, which relates to the technical field of transmission gear sets and comprises a gear box, a rotating shaft is movably inserted into the lower end of the interior of the gear box, a first gear is fixedly mounted at the upper end of the rotating shaft, and a limiting structure is arranged at the lower end of the first gear. A transmission rod is movably inserted into one side of the gearbox in a penetrating mode, a second gear is installed at one end of the transmission rod, the second gear is meshed with the first gear, when the first gear and the second gear need to be connected, a user rotates an adjusting ring, the adjusting ring drives an adjusting block to move along a limiting groove, and when the adjusting ring moves to the position of a sliding groove, the second gear is meshed with the first gear. A clamping rod can move upwards under the action of a reset spring, a user rotates a rotating shaft, the rotating shaft drives a first gear to rotate, when a limiting hole moves to the upper end of a clamping column, the clamping column is inserted into the limiting hole under the action of the reset spring, the first gear is limited, and accurate meshing of a second gear and the first gear is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmission gear set technical field, concretely is zinc alloy transmission gear set. BACKGROUND

[0002] In valve control, be generally used bevel gear assembly to carry out manual control to valve rod, can make manual control more labor-saving through change gear ratio;

[0003] Through the retrieval, disclosed the bevel gear assembly for valve of publication number CN217898989U, its technical scheme main points include box, the lower side of box is rotatably connected with first bevel gear, first bevel gear lower end is connected with valve rod, is connected with manual assembly on the upper side of first bevel gear, the manual assembly includes with the lateral wall of box rotatably connected adjusting lever, adjusting lever is rotatably connected with the hand wheel at the end away from first bevel gear, is rotatably connected with the hand wheel in adjusting lever, is rotatably connected with the hand wheel in adjusting lever, the utility model has the function that is not easy to change valve state after hand wheel false touch;

[0004] The existing bevel gear assembly for valve in the process of using, through the movement adjustment of transmission rod, prevent hand wheel false touch change valve state, but because bevel gear is located in the inside of gear box, the user can not observe the state of bevel gear, when the hand wheel is false touch by external force, make the bevel gear of transmission rod one end rotate, can make the tooth block of this bevel gear not with gear block very good meshing, influence the transmission between gears. UTILITY MODEL CONTENTS

[0005] In view of the deficiency of prior art, the utility model provides zinc alloy transmission gear set, solves the problem that the existing bevel gear assembly for valve in the process of using, through the movement adjustment of transmission rod, prevent hand wheel false touch change valve state, but because bevel gear is located in the inside of gear box, the user can not observe the state of bevel gear, when the hand wheel is false touch by external force, make the bevel gear of transmission rod one end rotate, can make the tooth block of this bevel gear not with gear block very good meshing, influence the transmission between gears.

[0006] In order to realize above-mentioned purpose, the utility model discloses zinc alloy transmission gear set through following technical scheme: zinc alloy transmission gear set, including gear box, the lower end of gear box inside movablely inserts rotating shaft, the upper end of rotating shaft is fixedly installed with first gear, the lower end of first gear is provided with limiting structure, one side of gear box movablely inserts transmission rod, one end of transmission rod is installed with second gear, second gear is engaged with first gear, one side of gear box is rotatably installed with hand wheel, the surface of hand wheel is provided with handle, one side of gear box is provided with identification block, transmission rod movablely inserts in the inside of hand wheel, adjusting structure is arranged between transmission rod and hand wheel.

[0007] Preferably, the adjusting structure comprises a connecting groove, the connecting groove is arranged on the surface of the transmission rod, both sides of the inner wall of the hand wheel are provided with a connecting block, and the connecting block is movably inserted into the connecting groove.

[0008] Preferably, one side of the hand wheel is fixedly provided with a fixing ring, one end of the fixing ring is rotatably provided with an adjusting sleeve, the adjusting sleeve is movably arranged on the surface of the transmission rod, and the adjusting sleeve is in threaded connection with the transmission rod.

[0009] Preferably, the outer side of the fixing ring is fixedly provided with a clamping gear, the outer side of the adjusting sleeve is fixedly provided with a mounting ring, both sides of the surface of the mounting ring are movably inserted with clamping rods, one end of the clamping rod is fixedly provided with a clamping gear sleeve, and the clamping gear sleeve is clamped with the clamping gear.

[0010] Preferably, the other end of the clamping rod is fixedly provided with a pulling sleeve, the inner wall of the pulling sleeve is movably provided with a movable block, both sides of the surface of the adjusting sleeve are provided with a movable groove, the movable block is in sliding connection with the movable groove, and the surface of the clamping rod is provided with a compression spring connected with the mounting ring and the pulling sleeve.

[0011] Preferably, the inner side of the gear box is fixedly provided with two supporting seats, the transmission rod is movably inserted into the inner side of the supporting seat, the surface of the transmission rod is fixedly provided with a moving ring, one side of the moving ring is rotatably provided with a movable ring, and the surface of the transmission rod is provided with a supporting spring connected with the movable ring and the supporting seat.

[0012] Preferably, the limiting structure comprises a mounting seat, the mounting seat is fixedly arranged in the inner side of the gear box and below the first gear, the lower end of the first gear is provided with a limiting hole, the inner side of the mounting seat is provided with a mounting groove, a clamping column is arranged in the inner side of the mounting groove, the upper end of the clamping column is movably inserted into the inner side of the limiting hole, a moving block is fixedly arranged on the surface of the clamping column, the lower end of the moving block is rotatably provided with a rotating ring, and the surface of the clamping column is provided with a reset spring connected with the rotating ring.

[0013] Preferably, the lower end of the gear box is fixedly provided with a mounting sleeve, both sides of the mounting sleeve are provided with a sliding groove, one end of the sliding groove is provided with a limiting groove, the sliding groove and the limiting groove are arranged in L shape, the lower end of the clamping column is movably inserted into the inner side of the mounting sleeve, both sides of the lower end of the clamping column are fixedly provided with adjusting blocks, and the adjusting blocks are provided with adjusting rings penetrating through the sliding grooves.

[0014] Compared with the prior art, the zinc alloy transmission gear set has the following beneficial effects:

[0015] 1、In the utility model, when the first gear and the second gear need to be connected, the user rotates the adjusting ring, the adjusting ring drives the adjusting block to move along the limiting groove, the adjusting ring moves to the position of the sliding groove, the clamping rod can move upward under the action of the reset spring, the user rotates the rotating shaft, the rotating shaft drives the first gear to rotate, when the limiting hole moves to the upper end of the clamping column, the clamping column is inserted into the inside of the limiting hole under the action of the reset spring, the first gear is limited, the accurate meshing of the second gear and the first gear is convenient.

[0016] 2、In the utility model, the user rotates the adjusting nut, the connecting groove and the connecting block cooperate, the transmission rod moves under the action of the screw thread along with the rotation of the adjusting nut, the transmission rod drives the second gear to move, the second gear is separated from the first gear, the hand wheel can be prevented from being touched by mistake, the valve use is influenced, when being connected, the first gear is limited under the action of the limiting structure, the user rotates the hand wheel through the handle, the handle is coincident with the identification block, the tooth block of the second gear and the tooth block of the first gear are in the cooperation state at this time, the user rotates the adjusting nut, the transmission rod moves, the first gear and the second gear are meshed, thereby the accurate meshing effect can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is device surface structure schematic view of the utility model;

[0018] Figure 2 It is device bottom structure schematic view of the utility model;

[0019] Figure 3 It is device half cut structure schematic view of the utility model;

[0020] Figure 4 It is device Figure 3 A place enlarged structure schematic view of the utility model;

[0021] Figure 5 It is device Figure 3 B place enlarged structure schematic view of the utility model.

[0022] In the drawing: 1, gear box;2, mounting seat;3, first gear;4, rotating shaft;5, hand wheel;6, identification block;7, transmission rod;8, mounting sleeve;9, limiting groove;10, sliding groove;11, second gear;12, support seat;13, movable ring;14, support spring;15, limiting hole;16, clamping column;17, moving block;18, rotating ring;19, reset spring;20, adjusting ring;21, fixed ring;22, clamping gear;23, adjusting nut;24, mounting ring;25, pull sleeve;26, clamping tooth sleeve;27, clamping rod;28, compression spring. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] Please refer to Figures 1 to 5 , the zinc alloy drive gear set, including gear box 1, the lower end of gear box 1 inside movable insertion rotating shaft 4, the upper end of rotating shaft 4 is fixedly installed with first gear 3, the lower end of first gear 3 is provided with limit structure, one side of gear box 1 movable insertion has transmission rod 7, one end of transmission rod 7 is installed with second gear 11, second gear 11 is engaged with first gear 3, one side of gear box 1 is rotatably installed with hand wheel 5, the surface of hand wheel 5 is provided with handle, one side of gear box 1 is provided with identification block 6, transmission rod 7 movable insertion is in the inside of hand wheel 5, adjustment structure is arranged between transmission rod 7 and hand wheel 5, adjustment structure includes connecting groove, connecting groove is opened in the surface of transmission rod 7, both sides of the inner wall of hand wheel 5 are provided with connecting block, connecting block movable insertion is in the inside of connecting groove, one side of hand wheel 5 is fixedly installed with fixed ring 21, one end of fixed ring 21 is rotatably installed with adjusting sleeve 23, adjusting sleeve 23 movable sleeve is set in the surface of transmission rod 7, adjusting sleeve 23 is threadedly connected with transmission rod 7;

[0025] In the embodiment, the user rotates the adjusting sleeve 23, the connecting groove and the connecting block cooperate, the transmission rod 7 moves under the action of the thread, the transmission rod 7 moves with the rotation of the adjusting sleeve 23, the transmission rod 7 drives the second gear 11 to move, so that the second gear 11 is disengaged from the first gear 3, which can prevent the hand wheel 5 from being touched by mistake and affect the use of the valve. When connected, the first gear 3 is limited by the limit structure, the user rotates the hand wheel 5 by the handle, so that the handle coincides with the identification block 6, at this time, the tooth block of the second gear 11 and the tooth block of the first gear 3 are in a cooperating state, the user rotates the adjusting sleeve 23, the transmission rod 7 moves, so that the first gear 3 and the second gear 11 are engaged, so that the effect of precise engagement can be achieved.

[0026] Please refer to Figure 3 and Figure 5The outer side of the fixed ring 21 is fixedly provided with a clamping gear 22, the outer side of the adjusting sleeve 23 is fixedly provided with a mounting ring 24, both sides of the surface of the mounting ring 24 are movably inserted with clamping rods 27, one end of the clamping rod 27 is fixedly provided with a clamping gear sleeve 26, the clamping gear sleeve 26 is clamped with the clamping gear 22, the other end of the clamping rod 27 is fixedly provided with a pulling sleeve 25, the inner wall of the pulling sleeve 25 is movably provided with a movable block, both sides of the surface of the adjusting sleeve 23 are provided with movable grooves, the movable block is slidably connected with the movable grooves, the surface of the clamping rod 27 is provided with a compression spring 28 connected with the mounting ring 24 and the pulling sleeve 25;

[0027] In the embodiment, the compression spring 28 pulls the pulling sleeve 25, the pulling sleeve 25 supports the clamping gear sleeve 26 through the clamping rod 27, the clamping gear sleeve 26 is clamped with the clamping gear 22, when the hand wheel 5 rotates, the transmission rod 7 can be driven to rotate synchronously through the connecting block and the connecting groove, so that the second gear 11 can be driven to rotate, thereby preventing the transmission effect from being affected.

[0028] The inside of the gear box 1 is fixedly provided with two support seats 12, the transmission rod 7 is movably inserted into the inside of the support seat 12, the surface of the transmission rod 7 is fixedly provided with a moving ring, one side of the moving ring is rotatably provided with an activity ring 13, the surface of the transmission rod 7 is provided with a support spring 14 connected with the activity ring 13 and the support seat 12, when the transmission rod 7 moves to the outside of the gear box 1, the transmission rod 7 drives the moving ring to move, the support spring 14 is compressed, and the moving range of the transmission rod 7 can be limited under the action of the moving ring.

[0029] Please refer to Figures 1 to 4 The limiting structure comprises a mounting seat 2, the mounting seat 2 is fixedly installed in the inside of the gear box 1 and below the first gear 3, the lower end of the first gear 3 is provided with a limiting hole 15, the inside of the mounting seat 2 is provided with a mounting groove, the inside of the mounting groove is penetrated by a clamping column 16, the upper end of the clamping column 16 is movably inserted into the inside of the limiting hole 15, the surface of the clamping column 16 is fixedly provided with a moving block 17, the lower end of the moving block 17 is rotatably provided with a rotating ring 18, the surface of the clamping column 16 is provided with a reset spring 19 connected with the rotating ring 18, the lower end of the gear box 1 is fixedly provided with a mounting sleeve 8, both sides of the mounting sleeve 8 are provided with sliding grooves 10, one end of the sliding groove 10 is provided with a limiting groove 9, the sliding groove 10 and the limiting groove 9 are L-shapedly distributed, the lower end of the clamping column 16 is movably inserted into the inside of the mounting sleeve 8, both sides of the lower end of the clamping column 16 are fixedly provided with adjusting blocks, one end of the adjusting block is penetrated by the sliding groove 10 and is provided with an adjusting ring 20;

[0030] In this embodiment, when the first gear 3 and the second gear 11 need to be connected, the user rotates the adjusting ring 20, the adjusting ring 20 drives the adjusting block to move along the limiting groove 9, when the adjusting ring 20 moves to the position of the sliding groove 10, the clamping rod 27 can move upward under the action of the reset spring 19, the user rotates the rotating shaft 4, the rotating shaft 4 drives the first gear 3 to rotate, when the limiting hole 15 moves to the upper end of the clamping column 16, the clamping column 16 is inserted into the inside of the limiting hole 15 under the action of the reset spring 19, the first gear 3 is limited, and the accurate meshing of the second gear 11 and the first gear 3 is facilitated.

[0031] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

Claims

1. A set of zinc alloy transmission gears comprising a gear box (1), characterised in that: The lower end of the gear box (1) is movably inserted into a rotating shaft (4), the upper end of the rotating shaft (4) is fixedly installed with a first gear (3), the lower end of the first gear (3) is provided with a limiting structure, one side of the gear box (1) is movably inserted into a transmission rod (7), one end of the transmission rod (7) is installed with a second gear (11), the second gear (11) is engaged with the first gear (3), one side of the gear box (1) is rotatably installed with a hand wheel (5), the surface of the hand wheel (5) is provided with a handle, one side of the gear box (1) is provided with an identification block (6), the transmission rod (7) is movably inserted into the inside of the hand wheel (5), and the transmission rod (7) and the hand wheel (5) are provided with an adjusting structure.

2. The zinc alloy drive gear set of claim 1, wherein: The adjusting structure comprises a connecting groove, the connecting groove is opened in the surface of the transmission rod (7), and the both sides of the inner wall of the hand wheel (5) are provided with connecting blocks movably inserted into the inside of the connecting groove.

3. The zinc alloy drive gear set of claim 2, wherein: One side of the hand wheel (5) is fixedly installed with a fixed ring (21), one end of the fixed ring (21) is rotatably installed with an adjusting sleeve (23), the adjusting sleeve (23) is movably sleeved on the surface of the transmission rod (7), and the adjusting sleeve (23) is in threaded connection with the transmission rod (7).

4. The zinc alloy drive gear set of claim 3, wherein: The outer side of the fixed ring (21) is fixedly installed with a clamping gear (22), the outer side of the adjusting sleeve (23) is fixedly installed with a mounting ring (24), the both sides of the surface of the mounting ring (24) are movably inserted with clamping rods (27), one end of the clamping rod (27) is fixedly installed with a clamping gear sleeve (26), and the clamping gear sleeve (26) is clamped with the clamping gear (22).

5. The set of zinc alloy transmission gears according to claim 4, characterized in that: The other end of the clamping rod (27) is fixedly installed with a pulling sleeve (25), the inner wall of the pulling sleeve (25) is movably installed with a movable block, the both sides of the surface of the adjusting sleeve (23) are opened with movable grooves, the movable block is in sliding connection with the movable grooves, and the surface of the clamping rod (27) is sleeved with a compression spring (28) connected with the mounting ring (24) and the pulling sleeve (25).

6. The zinc alloy drive gear set of claim 5, wherein: The inside of the gear box (1) is fixedly installed with two supporting seats (12), the transmission rod (7) is movably inserted into the inside of the supporting seat (12), the surface of the transmission rod (7) is fixedly installed with a moving ring, one side of the moving ring is rotatably installed with an activity ring (13), and the surface of the transmission rod (7) is sleeved with a supporting spring (14) connected with the activity ring (13) and the supporting seat (12).

7. The zinc alloy drive gear set of claim 6, wherein: The limiting structure comprises a mounting seat (2) fixedly installed inside the gear box (1) below the first gear (3), the lower end of the first gear (3) is provided with a limiting hole (15), the inside of the mounting seat (2) is provided with a mounting groove, the inside of the mounting groove is penetrated by a clamping column (16), the upper end of the clamping column (16) is movably inserted into the inside of the limiting hole (15), the surface of the clamping column (16) is fixedly installed with a moving block (17), the lower end of the moving block (17) is rotatably installed with a rotating ring (18), the surface of the clamping column (16) is sleeved with a reset spring (19) connected with the rotating ring (18).

8. The zinc alloy drive gear set of claim 7, wherein: The lower end of the gear box (1) is fixedly installed with a mounting sleeve (8), both sides of the mounting sleeve (8) are provided with a sliding groove (10), one end of the sliding groove (10) is provided with a limiting groove (9), the sliding groove (10) and the limiting groove (9) are L-shaped, the lower end of the clamping column (16) is movably inserted into the inside of the mounting sleeve (8), both sides of the lower end of the clamping column (16) are fixedly installed with an adjusting block, one end of the adjusting block is penetrated by the sliding groove (10) and installed with an adjusting ring (20).

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