Forklift telescopic steering wheel capable of being adjusted front and back

Abstract

The forklift telescopic steering wheel capable of being adjusted front and back relates to the technical field of steering wheels and comprises a connecting box, a through hole is formed in the middle of the interior of the connecting box in a penetrating mode, and a first transmission shaft is movably installed at the upper end of the interior of the through hole in a penetrating mode. A user can pull the steering wheel body up and down to achieve height adjustment of the steering wheel body, and then the user can control the steering wheel and the connecting box to conduct front-back adjustment with the fixing rod as the axis so that the user can adjust the angle and the height of the steering wheel body according to the situation of the user. The angle and height of the steering wheel body are adjusted to meet the using work of users of various figures, then after angle and height adjustment is completed, the user only needs to rotate through a rotary knob block, then a positive and negative lead screw can control a movable plate to move relatively through threads, a clamping block is driven to clamp and position the movable plate, and the positioning work of the steering wheel body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steering wheel technical field, specifically, relate to a forward and backward adjustable forklift telescopic steering wheel. BACKGROUND

[0002] ‌Forklift is industrial handling vehicle, is mainly used to the loading and unloading, stacking and short distance transport operation of piece pallet goods, and in the operation process of forklift, steering wheel as the key control component, its adaptability with operating personnel has important influence to operating experience and work efficiency, but because the traditional forklift steering wheel is usually fixedly installed in specific position, height and spacing with operating personnel cannot be flexibly adjusted, this leads to different body type operating personnel when using forklift, difficult to find the most comfortable driving posture, the operating personnel with higher physique may feel cramped because steering wheel position is too low, distance is too close, and the body stretch is limited when operating, and the operating personnel with smaller physique may need to struggle to reach steering wheel, and fatigue is easy to produce after long time operation, and then influence work efficiency and safety, therefore we propose a forward and backward adjustable forklift telescopic steering wheel to solve the above problems. SUMMARY

[0003] The utility model discloses a main purpose at providing a forward and backward adjustable forklift telescopic steering wheel, solves because the traditional forklift steering wheel is usually fixedly installed in specific position, height and spacing with operating personnel cannot be flexibly adjusted, this leads to different body type operating personnel when using forklift, difficult to find the most comfortable driving posture, the operating personnel with higher physique may feel cramped because steering wheel position is too low, distance is too close, and the body stretch is limited when operating, and the operating personnel with smaller physique may need to struggle to reach steering wheel, and fatigue is easy to produce after long time operation, and then influence work efficiency and safety problem.

[0004] To achieve the above object, the utility model takes the technical scheme for:

[0005] A forward and backward adjustable forklift telescopic steering wheel, including the connecting box, the inside intermediate of connecting box is equipped with through -hole, the inside upper end of through -hole is equipped with the first transmission shaft that moves and installs, the upper end of first transmission shaft is installed with steering wheel body, and the first transmission shaft is installed with auxiliary mechanism between connecting box, the inside lower end of first transmission shaft is equipped with the movable slot, the movable slot is equipped with the second transmission shaft that moves and installs with the inside lower end of through -hole, the outer side of the stem of second transmission shaft is equipped with a plurality of limit slot, the inside movable slot is equipped with a plurality of limit board, and the limit board is respectively installed in the inside of limit slot.

[0006] As preferred, the auxiliary mechanism comprises a recess, which is arranged on the inner upper end of the through hole, a movable disc is movably arranged in the recess, a connecting disc is arranged on the outer side of the rod body of the first transmission shaft, and the connecting disc is clampedly arranged in the inner side of the movable disc.

[0007] As preferred, the inner sides of both ends of the recess are respectively provided with connecting grooves, movable plates are movably arranged in the connecting grooves, clamping blocks are respectively arranged on the sides of the movable plates close to each other, the ends of the clamping blocks close to each other are movably arranged in the inner sides of the recess and are attached to the outer sides of the movable disc, and friction pads are arranged on the sides of the clamping blocks close to the movable disc.

[0008] As preferred, the inner sides of both ends of the lower side of the connecting box are respectively provided with fixed rods, support frames are movably arranged in the inner sides of both ends of the lower side of the connecting box, the rod bodies of the fixed rods are movably arranged through the inner upper ends of the support frames, transmission blocks are movably arranged in the inner lower ends of the connecting grooves, the upper surfaces of the transmission blocks are attached to the lower ends of the movable plates, abutting rods are fixedly arranged on the lower ends of the transmission blocks, the rod bodies of the abutting rods are movably arranged through the inner sides of the connecting grooves and are attached to the support frames, and springs are arranged on the outer sides of the rod bodies of the abutting rods between the transmission blocks and the connecting grooves.

[0009] As preferred, the inner sides of both ends of the connecting box are respectively provided with extension grooves, and the extension grooves are connected through the connecting grooves, the front and rear ends of the movable plates are movably arranged in the inner sides of the extension grooves, a guide rod is fixedly arranged in the inner side of the extension groove on the rear side, and the rod bodies of the guide rod are movably arranged through the inner sides of the movable plates.

[0010] As preferred, a forward and reverse screw rod is movably arranged in the inner side of the extension groove on the front end, the rod bodies of the forward and reverse screw rod are threadedly arranged through the inner sides of the movable plates, a worm wheel is arranged on the rod body of the forward and reverse screw rod, a rotating shaft is movably arranged through the inner lower end of the extension groove on the front end, a worm is arranged on the outer side of the rod body of the rotating shaft in the extension groove, the worm is meshingly connected with the worm wheel, and a knob block is arranged on the front end of the rotating shaft.

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

[0012] (1) The utility model discloses a user can pull up and down steering wheel body, realize the height adjustment of steering wheel body, then the user can also be through the control steering wheel and the connecting box with fixed rod as the axle center and adjust before and after, to let the user adjust the angle and height of steering wheel body according to own condition, to satisfy the use of various body users, then after angle and height adjustment are completed, the user only needs to rotate through knob block, then can let positive and negative screw rod move relatively through the thread control movable plate, drive clamping block to clamp and position movable disc simultaneously, also let push transmission block and abutting rod move down to be closely attached with support frame, realize the positioning work of steering wheel body, improve the stability in the whole use process. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment;

[0014] Figure 2 It is front view structure schematic diagram of the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment;

[0015] Figure 3 It is side view structure schematic diagram of the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment;

[0016] Figure 4 It is the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment Figure 2 It is the section structure schematic diagram of A-A place in;

[0017] Figure 5 It is the section structure schematic diagram of B-B place in of the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment; Figure 2

[0018] Figure 6 It is the section structure schematic diagram of C-C place in of the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment; Figure 3

[0019] Figure 7 It is the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment Figure 4 It is the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment

[0020] Figure 8 It is the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment Figure 6 It is the utility model discloses a telescopic steering wheel of forklift of front -to -back adjustment

[0021] ​​In the figure: 1, the connecting box; 2, the steering wheel body; 3, the auxiliary mechanism; 301, the recess; 302, the movable disc; 303, the connecting disc; 304, the movable plate; 305, the connecting groove; 306, the clamping block; 307, the fixed rod; 308, the support frame; 309, the transmission block; 310, the abutting rod; 311, the spring; 312, the extension groove; 313, the guide rod; 314, the positive and negative screw rod; 315, the worm wheel; 316, the worm; 317, the rotating shaft; 318, the knob block; 4, the first transmission shaft; 5, the through hole; 6, the movable groove; 7, the second transmission shaft; 8, the limiting plate; 9, the limiting groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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] As Figures 1 to 8 shown in the utility model embodiment, a front and rear adjustable forklift telescopic steering wheel is provided, which comprises a connecting box 1, a through hole 5 is arranged in the middle of the inside of the connecting box 1, a first transmission shaft 4 is movably arranged in the upper end of the inside of the through hole 5, a steering wheel body 2 is arranged on the upper end of the first transmission shaft 4, an auxiliary mechanism 3 is arranged between the first transmission shaft 4 and the connecting box 1, a movable groove 6 is arranged in the lower end of the inside of the first transmission shaft 4, a second transmission shaft 7 is movably arranged in the lower end of the inside of the through hole 5, a plurality of limiting grooves 9 are arranged on the outer side of the rod body of the second transmission shaft 7, a plurality of limiting plates 8 are arranged in the inside of the movable groove 6, and the limiting plates 8 are clamped and arranged in the inside of the limiting grooves 9 respectively.

[0024] As Figures 4 to 8As shown, another embodiment of the utility model, the auxiliary mechanism 3 includes recess 301, recess 301 is located in the inside upper end of through -hole 5, the inside movable mounting of recess 301 has movable disc 302, the outer side of the stem of first transmission shaft 4 is installed with connecting disc 303, connecting disc 303 is clamped and installed in the inside of movable disc 302, the inside both ends of recess 301 are equipped with connecting groove 305, the inside of connecting groove 305 is respectively movable mounting has movable plate 304, movable plate 304 mutually close one side is respectively installed with clamping block 306, the end of clamping block 306 mutually close is respectively movable in the inside of recess 301, and with the outside of movable disc 302 is pasted, the side of clamping block 306 close movable disc 302 is installed with friction pad, the inside both ends of connecting box 1 lower side is respectively installed with fixed rod 307, the inside both ends of connecting box 1 lower side is respectively movable mounting has support frame 308, and the stem of fixed rod 307 is respectively movable and passes through and is installed in the inside upper end of support frame 308, the inside lower end of connecting groove 305 is respectively movable mounting has transmission block 309, the upper surface of transmission block 309 and the lower end of movable plate 304 are pasted, the lower end of transmission block 309 is respectively fixed mounting has abutting rod 310, the stem lower end of abutting rod 310 is respectively movable and passes through the inside of connecting groove 305 and with support frame 308 is pasted, the stem outside of abutting rod 310 between transmission block 309 and connecting groove 305 is respectively installed with spring 311, the inside front and rear ends of connecting box 1 are respectively equipped with extension groove 312, and extension groove 312 and connecting groove 305 are connected through, the inside of extension groove 312 is respectively movable mounting at the front and rear ends of movable plate 304, the inside fixed mounting of rear extension groove 312 has guide rod 313, the stem of guide rod 313 is respectively movable and passes through and is installed in the inside of movable plate 304, the inside movable mounting of front extension groove 312 has positive and negative screw rod 314, the stem of positive and negative screw rod 314 is respectively through screw through and is installed in the inside of movable plate 304, the stem of positive and negative screw rod 314 is installed with worm wheel 315, the inside lower end movable penetration and install of front extension groove 312 has rotating shaft 317, the outer side of the stem of rotating shaft 317 in the inside of extension groove 312 is installed with worm 316, worm 316 and worm wheel 315 are engagedly connected, the front end of rotating shaft 317 is installed with knob block 318.

[0025] When the height and angle of the steering wheel body 2 need to be adjusted, the user first reverses the knob block 318, and then the knob block 318 drives the rotating shaft 317 and the worm 316 to rotate, and then the worm 316 drives the positive and negative lead screw 314 to rotate through the worm gear 315, and then the positive and negative lead screw 314 drives the movable plate 304 to move in the opposite direction through the thread, so that the movable plate 304 drives the clamping block 306 and the movable disc 302 to separate, and at the same time, with the movement of the movable plate 304, the spring 311 also pushes the transmission block 309 to move upward, so that the transmission block 309 moves upward through the inclined surface, and drives the abutting rod 310 and the support frame 308 to separate, and then the user can stretch the steering wheel body 2, so that the steering wheel body 2 drives the movable disc 302 to move along the groove 301, and the height of the steering wheel body 2 is adjusted, and then the user controls the connecting box 1 to rotate around the fixed rod 307 as the axis, so that the steering wheel body 2 and the connecting box 1 rotate around the fixed rod 307 as the axis, to control the distance between the steering wheel body 2 and the user, and then the user controls the knob block 318 to rotate in the positive direction, and then the knob block 318 drives the positive and negative lead screw 314 to rotate in the positive direction through the worm 316 and the worm gear 315, and then the positive and negative lead screw 314 drives the movable plate 304 to move relatively through the thread, and then the movable plate 304 drives the clamping block 306 to be clamped into the inside of the groove 301, and the movable disc 302 is clamped and positioned, and at the same time, the lower end of the movable plate 304 also pushes the transmission block 309 to move downward through the inclined surface, so that the transmission block 309 extrudes the spring 311, and also pushes the abutting rod 310 to move downward, so that the abutting rod 310 fixes the support frame 308, to ensure the stability of the connecting box 1 and the steering wheel body 2, and to realize the overall adjustment work.

[0026] The connecting disc 303 is used to assist the rotation of the first transmission shaft 4, and also cooperates with the movable disc 302 to adjust the height of the first transmission shaft 4 and the steering wheel body 2, so as to complement each other.

[0027] Through the cooperation of the limiting groove 9 and the limiting plate 8, the second transmission shaft 7 can still be stably driven to rotate during the height adjustment of the first transmission shaft 4.

[0028] The working principle of the telescopic forklift steering wheel which can be adjusted forward and backward is as follows:

[0029] In use, first, when the height and angle of the steering wheel body 2 needs to be adjusted, the user reverses the knob block 318, and then the knob block 318 drives the rotating shaft 317 and the worm 316 to rotate, and then the worm 316 drives the positive and negative screw rod 314 to rotate through the worm gear 315, and then the positive and negative screw rod 314 drives the movable plate 304 to move in the opposite direction through the thread, so that the movable plate 304 drives the clamping block 306 and the movable disc 302 to separate, and at the same time, with the movement of the movable plate 304, the spring 311 also pushes the transmission block 309 to move upward, so that the transmission block 309 moves upward through the inclined surface and drives the abutting rod 310 and the support frame 308 to separate, and then the user can stretch the steering wheel body 2, so that the steering wheel body 2 drives the movable disc 302 to move along the groove 301, and the height of the steering wheel body 2 is adjusted, and then the user controls the connecting box 1 to rotate around the fixed rod 307, so that the steering wheel body 2 and the connecting box 1 are adjusted forward and backward around the fixed rod 307, and the distance between the steering wheel body 2 and the user is controlled, and then the user controls the knob block 318 to rotate in the positive direction, and then the knob block 318 controls the positive and negative screw rod 314 to rotate in the positive direction through the worm 316 and the worm gear 315, and then the positive and negative screw rod 314 controls the movable plate 304 to move relatively through the thread, and then the movable plate 304 drives the clamping block 306 to be clamped in the inside of the groove 301, and the movable disc 302 is clamped and positioned, and at the same time, the lower end of the movable plate 304 also pushes the transmission block 309 to move downward through the inclined surface, so that the transmission block 309 extrudes the spring 311, and at the same time, the abutting rod 310 is pushed downward, so that the abutting rod 310 fixes the support frame 308, and the stability of the connecting box 1 and the steering wheel body 2 is ensured, and the overall adjustment work is realized.

[0030] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not limitations on the embodiments of the utility model. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made, and all the embodiments cannot be exhausted here, and all the embodiments of the utility model are still within the protection scope of the utility model.

Claims

1. A back-adjustable forklift telescopic steering wheel comprising a connecting box (1), characterized in that: The inside of the connecting box (1) is provided with a through hole (5), the upper end of the inside of the through hole (5) is movably provided with a first transmission shaft (4), the upper end of the first transmission shaft (4) is provided with a steering wheel body (2), the first transmission shaft (4) and the connecting box (1) are provided with an auxiliary mechanism (3), the lower end of the inside of the first transmission shaft (4) is provided with a movable groove (6), the lower end of the inside of the through hole (5) is movably provided with a second transmission shaft (7), the outer side of the rod body of the second transmission shaft (7) is provided with a plurality of limiting grooves (9), the inside of the movable groove (6) is provided with a plurality of limiting plates (8), and the limiting plates (8) are clamped and installed in the inside of the limiting grooves (9) respectively.

2. A telescoping tiller for a front- or rear- adjustable fork truck as defined in claim 1, wherein: The auxiliary mechanism (3) comprises a groove (301), the groove (301) is arranged at the upper end of the inside of the through hole (5), the inside of the groove (301) is movably provided with a movable disc (302), the outer side of the rod body of the first transmission shaft (4) is provided with a connecting disc (303), and the connecting disc (303) is clamped and installed in the inside of the movable disc (302).

3. A fore and aft adjustable fork truck telescoping wheel as defined in claim 2 wherein: The inside of the groove (301) is provided with a connecting groove (305) at both ends respectively, the inside of the connecting groove (305) is movably provided with a movable plate (304) respectively, the side of the movable plate (304) close to each other is respectively provided with a clamping block (306), the end of the clamping block (306) close to each other is movably arranged in the inside of the groove (301), and the outer side of the movable disc (302) is attached, the side of the clamping block (306) close to the movable disc (302) is provided with a friction pad.

4. A fore and aft adjustable fork truck telescoping wheel according to claim 3 wherein: The inside of both ends of the lower side of the connecting box (1) is respectively provided with a fixed rod (307), the inside of both ends of the lower side of the connecting box (1) is movably provided with a support frame (308), the rod body of the fixed rod (307) is movably arranged in the upper end of the inside of the support frame (308) respectively, the lower end of the inside of the connecting groove (305) is movably provided with a transmission block (309) respectively, the upper surface of the transmission block (309) is attached to the lower end of the movable plate (304), the lower end of the transmission block (309) is fixedly provided with a pressing rod (310) respectively, the rod body of the pressing rod (310) is movably arranged in the inside of the connecting groove (305) and attached to the support frame (308) respectively, the outer side of the rod body of the pressing rod (310) between the transmission block (309) and the connecting groove (305) is respectively provided with a spring (311).

5. A fore and aft adjustable fork truck telescoping wheel according to claim 4 wherein: The inside of the connecting box (1) is provided with an extension groove (312) at the front and rear ends respectively, and the extension groove (312) is connected through the connecting groove (305), the front and rear ends of the movable plate (304) are movably arranged in the inside of the extension groove (312), the inside of the extension groove (312) on the rear side is fixedly provided with a guide rod (313), and the rod body of the guide rod (313) is movably arranged in the inside of the movable plate (304).

6. A fore and aft adjustable fork truck telescoping wheel as defined in claim 5 wherein: The front end of the extension slot (312) is movably installed with a positive and negative screw rod (314), the rod body of the positive and negative screw rod (314) is respectively installed in the inside of the movable plate (304) through screw thread, the rod body of the positive and negative screw rod (314) is installed with a worm gear (315), the inside lower end of the front end of the extension slot (312) is movably installed with a rotating shaft (317), the rotating shaft (317) is installed with a worm (316) outside the rod body in the inside of the extension slot (312), the worm (316) and the worm gear (315) are meshed and connected, and the front end of the rotating shaft (317) is installed with a knob block (318).

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