CN216975745U - Chain transmission case - Google Patents

Chain transmission case Download PDF

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Publication number
CN216975745U
CN216975745U CN202123400009.6U CN202123400009U CN216975745U CN 216975745 U CN216975745 U CN 216975745U CN 202123400009 U CN202123400009 U CN 202123400009U CN 216975745 U CN216975745 U CN 216975745U
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China
Prior art keywords
gear
shaft
push
pull
transmission case
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Active
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CN202123400009.6U
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Chinese (zh)
Inventor
潘佳伟
李伟
李新桥
聂新远
张碧波
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Jiangsu Jinguang Motor Technology Co ltd
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Jiangsu Jinguang Motor Technology Co ltd
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Abstract

The application discloses a chain transmission case, which comprises a transmission case shell, a gear shaft assembly, a transmission gear set and a gear shifting assembly; the gear shifting assembly comprises a push-pull shaft, a shifting fork, a gear shifting sliding block, a force guide ring and a ball plunger; the push-pull shaft is inserted into and slidably positioned on the sliding shaft positioning assembly on the transmission case shell and penetrates out of the transmission case shell, the push-pull shaft is provided with two grooves for being matched with the ball plunger, and the number of the grooves is two; the shifting fork is fixed on the push-pull shaft and used for shifting the shifting sliding block to slide; the main body of the force guide ring is annular and is fixed on the second gear; the gear shifting sliding block is positioned on the three shafts in a sliding mode, synchronously rotates with the three shafts, can be matched with the force guide ring, and can transmit power on the second gear to the three shafts after matching; the ball plunger is positioned on the plunger positioning assembly, plays a role in limiting axial movement of the push-pull shaft in a clamping mode, and realizes switching between a neutral gear and a gear of the forklift by pushing and pulling the push-pull shaft during actual use.

Description

Chain transmission case
Technical Field
The utility model relates to the technical field of gearboxes, in particular to a chain type transmission box.
Background
The transmission case is a box-shaped part that supports and houses various transmission mechanisms.
In the prior art, the speed regulation of the electric forklift is generally realized by regulating the rotating speed of a motor in a voltage regulation or frequency conversion mode, a transmission case of the electric forklift plays the roles of transmitting power, reducing speed and increasing torque, and has no function of gear regulation (neutral gear), so that the forklift is difficult to move when power is off or faults occur, and even the spatial position can be transferred by other forklifts or cranes, which causes unnecessary troubles; although the transmission case of a few electric forklifts has the function of switching neutral gear through the gear shifting button, the gear shifting button can not operate the transmission case to switch neutral gear when the forklifts are not powered or have faults.
Therefore, there is a need for a transmission case that can directly switch a forklift into a neutral state by directly operating on the forklift transmission case.
Disclosure of Invention
The embodiment of the application provides a chain transmission case, has solved among the prior art fork truck transmission case and can't switch the neutral gear and then hinder fork truck to be promoted and march and then increase the technical problem of the degree of difficulty for charging and the maintenance of fork truck when fork truck trouble or do not have the electricity, has realized that the shallow personnel can directly switch the fork truck on the fork truck transmission case and keep off the position technical effect.
The embodiment of the application provides a chain transmission case, which comprises a transmission case shell, a gear shaft assembly, a transmission gear set and a gear shifting assembly;
the gear shaft assembly comprises a second shaft and a third shaft, the transmission gear set comprises a first gear and a second gear, the two gears are meshed with each other, the first gear is fixed on the second shaft, and the second gear is rotatably and fixedly connected on the third shaft;
the gear shifting assembly comprises a push-pull shaft, a shifting fork, a gear shifting sliding block, a force guide ring and a ball plunger;
the push-pull shaft is inserted into and slidably positioned on the sliding shaft positioning assembly on the transmission case shell and penetrates out of the transmission case shell, the push-pull shaft is provided with two grooves for being matched with the ball plunger, and the number of the grooves is two;
the shifting fork is fixed on the push-pull shaft and used for shifting the shifting sliding block to slide;
the main body of the force guide ring is annular and is fixed on the second gear;
the gear shifting sliding block is positioned on the three shafts in a sliding mode, synchronously rotates with the three shafts, can be matched with the force guide ring, and can transmit power on the second gear to the three shafts after being matched with the force guide ring;
the plunger positioning component is a cylindrical bin body, is integrally formed with the transmission case shell and plays a role in accommodating and positioning the ball plunger;
the ball plunger is positioned on the plunger positioning assembly, plays a role in limiting the axial movement of the push-pull shaft in a clamping mode, and realizes the switching between the neutral gear and the gear of the forklift by pushing and pulling the push-pull shaft during actual use.
Furthermore, the two grooves on the push-pull shaft are respectively a first groove body and a second groove body, and compared with the second groove body, the first groove body is closer to the shifting fork.
Preferably, the shift assembly further comprises a pull ring;
a pull ring positioning hole is positioned on the push-pull shaft;
the pull ring is annular and penetrates through the pull ring positioning hole;
the pull ring positioning hole is a through hole and is positioned on the side wall of one end, close to the ball plunger, of the push-pull shaft.
Preferably, the main body of the pull ring is D-shaped, and a tubular buffer rubber body is arranged in the pull ring positioning hole;
the pull ring penetrates through the buffer rubber body;
the inner wall of the buffer rubber body is tightly attached to the pull ring, and the outer wall of the buffer rubber body is tightly attached to the hole wall of the pull ring positioning hole.
Preferably, the device further comprises a neutral warning component;
the neutral gear warning component comprises a warning board, a positioning lever, a torsion spring and a pulling rope;
the fulcrum position of the positioning lever can be rotatably and fixedly connected to the vehicle shell and is of a lever structure;
the warning board is in a plate shape, is positioned on the positioning lever and is marked with warning patterns and/or slogans;
the torsion spring is positioned at the fulcrum position of the positioning lever and used for accumulating and releasing elastic potential energy so as to force the warning board not to be extended out of the shell of the vehicle when the forklift is blocked;
one end of the pulling rope is fixed at one end of the positioning lever, which is far away from the warning board, and the other end of the pulling rope is positioned on the push-pull shaft and is used for guiding force;
when someone utilizes the push-pull shaft to switch the forklift to a non-gear state, the movement of the push-pull shaft can pull the positioning lever to rotate so as to enable the warning board to be out of the shell of the forklift and give a warning.
Furthermore, the sliding shaft positioning assembly is positioned on the inner wall of the transmission case shell and is tubular, and the sliding shaft positioning assembly plays a role in positioning the push-pull shaft.
Furthermore, a through hole for the push-pull shaft to penetrate through the transmission case shell is positioned on the transmission case shell;
and a sealing component is positioned on the through hole and used for preventing oil liquid in the transmission case shell from being exposed from the through hole.
Preferably, the shifting sliding block is a spline shaft, and the shifting fork can be fixedly connected to the shifting sliding block in a rotating manner;
the force guide ring is a spline housing and is positioned on the second gear, and the spline shaft is matched with the spline housing.
Preferably, the shifting sliding block is a gear, and the shifting fork can be rotatably and fixedly connected to the shifting sliding block;
the power transmission ring is an inner gear ring, and the inner gear ring is matched with the gear shifting sliding block.
Furthermore, the transmission case shell is a shell of the transmission case and plays a role in supporting and positioning the gear shaft assembly, the transmission gear set and the gear shifting assembly;
the gear shaft assembly comprises a plurality of gear shafts, the gear shafts are rotatably and fixedly connected to the transmission case shell through bearings, and the gear shafts are positioned inside the transmission case shell in spatial positions and play a role in positioning the transmission gear set;
the gear shaft assembly comprises a first shaft, a second shaft, a third shaft and a fourth shaft; the shaft is a motor shaft and is used for inputting power; the two shafts and the three shafts both play a role in positioning the transmission gear set; the four shafts are output shafts, are connected with a forklift driving system and are used for outputting power;
the transmission gear set is positioned on the gear shaft assembly and is a combination of a plurality of gears, and the functions of transmitting power, reducing speed and increasing torque are achieved.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the gear shifting assembly comprising the push-pull shaft, the shifting fork and the gear shifting sliding block is arranged on the transmission case shell, one end of the push-pull shaft is exposed out of the transmission case shell, the gear shifting sliding block is driven to slide on the gear shaft in the transmission case in a manual pushing and pulling mode, the linkage relation between part of gears and part of gear shafts is changed, and therefore the transmission case is switched between a gear with gear and a neutral gear; the technical problem of among the prior art fork truck transmission case can't switch the neutral gear and then hinder fork truck to be promoted and march and then increase the degree of difficulty for charging and the maintenance of fork truck when fork truck trouble or do not have the electricity is effectively solved, and then realized that the shallow personnel can directly switch the fork truck on the fork truck transmission case and keep off the position technical effect of the position.
Drawings
FIG. 1 is a schematic illustration of the positional relationship of the drive gear set and the shift assembly of the chain drive case of the present invention;
FIG. 2 is a schematic view of the internal structure of the chain drive case of the present invention;
FIG. 3 is a schematic structural view of a transmission housing of the chain transmission case of the present invention;
FIG. 4 is a schematic view of the position relationship of the push-pull shaft and the transmission case housing of the chain transmission case of the present invention;
FIG. 5 is a schematic view of the position relationship of the push-pull shaft and the transmission case housing of the chain transmission case of the present invention;
FIG. 6 is a schematic view of the position relationship between the plunger positioning assembly and the push-pull shaft of the chain transmission case of the present invention;
FIG. 7 is a schematic view of a push-pull shaft of the chain transmission case of the present invention;
FIG. 8 is a schematic view of the construction of the force directing ring of the chain drive case of the present invention;
FIG. 9 is a schematic view of the position relationship between the force guiding ring and the push-pull shaft of the chain transmission case of the present invention;
FIG. 10 is a schematic view of the neutral warning assembly of the chain drive case of the present invention;
fig. 11 is a schematic view showing the extended state of the warning board of the chain transmission case of the present invention.
In the figure:
a transmission housing 100, a plunger positioning assembly 110, a sliding shaft positioning assembly 120;
a gear shaft assembly 200, a secondary shaft 210, a tertiary shaft 220;
a transmission gear set 300, a first gear 310, a second gear 320;
the gear shifting assembly 400, a push-pull shaft 410, a first groove body 411, a second groove body 412, a pull ring positioning hole 413, a pull ring 420, a buffer rubber body 421, a shifting fork 430, a gear shifting sliding block 440, a force guide ring 450 and a ball plunger 460;
neutral warning assembly 500, vehicle housing 510, warning sign 520, positioning lever 530, torsion spring 540, pull cord 550.
Detailed Description
In order to facilitate an understanding of the present invention, the present application will now be described more fully with reference to the accompanying drawings; the preferred embodiments of the present invention are illustrated in the accompanying drawings, but the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is noted that the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1 and fig. 2; the gear shifting assembly 400 comprising the push-pull shaft 410, the shifting fork 430 and the gear shifting sliding block 440 is arranged on the transmission case shell 100, one end of the push-pull shaft is exposed out of the transmission case shell 100, the gear shifting sliding block 440 is driven to slide on gear shafts in the transmission case by manually pushing and pulling the push-pull shaft 410, and then the linkage relation between partial gears and partial gear shafts is changed, and the transmission case is switched between a gear with gear and a neutral gear; the technical problem of among the prior art fork truck transmission case can't switch the neutral gear and then hinder fork truck by promoting to advance and then increase the degree of difficulty for charging and maintaining of fork truck when fork truck trouble or do not have the electricity is solved.
As shown in fig. 1 to 6, the present chain drive case includes a transmission case housing 100, a gear shaft assembly 200, a transmission gear set 300, and a shift assembly 400.
The transmission case shell 100 is a transmission case shell and plays a role in supporting and positioning the gear shaft assembly 200, the transmission gear set 300 and the gear shifting assembly 400; the transmission case shell 100 is provided with 5 mounting holes for fixing the transmission case shell 100 on a driving frame of a forklift;
the gear shaft assembly 200 comprises a plurality of gear shafts which are rotatably and fixedly connected to the transmission case shell 100 through bearings, and are positioned inside the transmission case shell 100 in spatial positions to play a role in positioning the transmission gear set 300; in order to reduce the probability of oil leakage, the gear shaft assembly 200 adopts a single-side oil seal;
further, the gear shaft assembly 200 includes a first shaft, a second shaft 210, a third shaft 220 and a fourth shaft; the shaft is a motor shaft and is used for inputting power; the two shafts 210 and the three shafts 220 both play a role in positioning the transmission gear set 300; the four shafts are output shafts, are connected with a forklift driving system and are used for outputting power;
as shown in fig. 1, the transmission gear set 300 is positioned on the gear shaft assembly 200, and is a combination of a plurality of gears, and plays a role in transmitting power and reducing speed and increasing torque; the transmission gear set 300 includes a first gear 310 and a second gear 320 (the transmission gear set 300 further includes other gears, and the other gears are positioned on the gear shaft assembly 200 for transmitting power, which is irrelevant to the prior art and the utility model of the present application, and will not be described herein again); the first gear 310 is fixed on the second shaft 210, the second gear 320 is rotatably and fixedly connected on the third shaft 220, and the first gear 310 and the second gear 320 are meshed with each other;
as shown in fig. 1, 4 and 6, the shifting assembly 400 is used for shifting gears and comprises a push-pull shaft 410, a shift fork 430, a shift slider 440, a force guide ring 450 and a ball plunger 460; the transmission case 100 comprises a plunger positioning assembly 110 for positioning the ball plunger 460, a sliding shaft positioning assembly 120 for positioning the push-pull shaft 410, and a through hole for the push-pull shaft 410 to penetrate through the transmission case 100;
further, as shown in fig. 3, the sliding shaft positioning assembly 120 is positioned on the inner wall of the transmission case 100, and has a tubular shape, which functions to position the push-pull shaft 410; the plunger positioning component 110 is a cylindrical bin body which is integrally formed with the transmission case shell 100 and plays a role in accommodating and positioning the ball plunger 460;
the axial direction of the push-pull shaft 410 is the same as the axial direction of the gear shaft assembly 200, and the push-pull shaft 410 is inserted into and slidably positioned on the sliding shaft positioning assembly 120, and penetrates out of the transmission case shell 100 through the through hole; as shown in fig. 6; two grooves are positioned on the push-pull shaft 410 and are used for being matched with the ball plunger 460, the two grooves are positioned on the push-pull shaft 410 and are close to the plunger positioning assembly 110, and the two grooves are respectively a first groove body 411 and a second groove body 412 and are used for being matched with the ball plunger 460 to limit the sliding of the push-pull shaft 410;
one end of the shifting fork 430 is fixed on the push-pull shaft 410, and the other end of the shifting fork 430 is clamped on the shifting sliding block 440, so that the shifting sliding block 440 is shifted to slide on the premise of not limiting the rotation of the shifting sliding block 440; the first slot 411 is closer to the fork 430 than the second slot 412;
the shift slider 440 is slidably positioned on the three shafts 220 and rotates synchronously with the three shafts 220;
the main body of the force guiding ring 450 is ring-shaped, fixed on the second gear 320 and coaxial with the second gear 320; the shift sliding block 440 can be matched with the force guiding ring 450, the cross section shape of the matched position of the shift sliding block 440 and the force guiding ring 450 is not a perfect circle, and the shift sliding block 440 and the force guiding ring 450 can transmit the power on the second gear 320 to the three shaft 220 after being matched;
as shown in fig. 7, the ball plunger 460 is positioned on the plunger positioning assembly 110, and as a prior art, the head of the ball plunger is inserted into the first slot 411 or the second slot 412 during use, so as to limit the axial movement of the push-pull shaft 410 in a clamping manner;
preferably, the shift sliding block 440 is a spline shaft, and the shift fork 430 is rotatably and fixedly connected to the shift sliding block 440; the force guiding ring 450 is a spline housing and is positioned on the second gear 320, and the spline shaft is matched with the spline housing;
preferably, the shift sliding block 440 is a gear, and the shift fork 430 is rotatably and fixedly connected to the shift sliding block 440; the power ring 450 is an inner gear ring, and the inner gear ring is matched with the gear shifting sliding block 440.
Preferably, a sealing assembly is positioned on the through hole and is used for preventing oil inside the transmission case shell 100 from being exposed from the through hole; the sealing component is preferably a rubber sealing ring and is positioned on the hole wall of the through hole.
In order to facilitate the pulling action of the push-pull shaft 410, it is preferable that the shifting unit 400 further includes a pull ring 420, as shown in fig. 6; a pull ring positioning hole 413 is positioned on the push-pull shaft 410; the pull ring 420 is annular and penetrates through the pull ring positioning hole 413; the pull ring positioning hole 413 is a through hole and is positioned on the side wall of the push-pull shaft 410 close to one end of the ball plunger 460;
in order to avoid noise generated when the pull ring 420 collides with the push-pull shaft 410 during operation of the forklift, preferably, as shown in fig. 8 and 9, the pull ring 420 has a D-shaped main body, and a tubular buffer rubber body 421 is installed in the pull ring positioning hole 413; the pull ring 420 is inserted into the buffer rubber body 421; the inner wall of the buffer rubber body 421 is tightly attached to the pull ring 420, and the outer wall is tightly attached to the hole wall of the pull ring positioning hole 413.
When the chain transmission case of the embodiment of the application is actually operated: under the normal working state of the forklift, the head of the ball plunger 460 is embedded into the first groove 411, the shift slide block 440 is matched with the force guide ring 450, the second gear 320 transmits the power transmitted by the first gear 310 to the three shafts 220, and the forklift is in a gear state at this time; in the fault or no-power state of the forklift, a driver can enable the head of the ball plunger 460 to be separated from the first groove body 411 and embedded into the second groove body 412 in a mode of pushing the push-pull shaft 410, at the moment, the shift sliding block 440 is separated from the guide ring 450, the rotation action of the second gear 320 cannot be conducted to the three shafts 220, at the moment, the forklift is in a no-gear state, and the forklift can be pushed to move easily; after the forklift is cleared or charged, the forklift can be restored to the gear state only by pulling the push-pull shaft 410 to enable the head of the ball plunger 460 to be embedded into the first groove 411.
In order to further improve the practicability of the chain transmission case and avoid the problem that the driver needs to spend more energy to check the vehicle fault due to the fact that gears are switched by other people under the condition that the driver of the forklift does not know, preferably, as shown in fig. 10 and 11, the chain transmission case further comprises a neutral warning assembly 500, wherein the neutral warning assembly 500 comprises a warning board 520, a positioning lever 530, a torsion spring 540 and a pulling rope 550; the fulcrum position of the positioning lever 530 is rotatably and fixedly connected to the vehicle shell 510 (the vehicle shell 510 is an outer cover plate of a forklift truck), and is of a lever structure; the warning board 520 is shaped like a plate, is positioned on the positioning lever 530, and is marked with warning patterns and/or slogans (showing a non-blocking state); the torsion spring 540 is positioned at the fulcrum position of the positioning lever 530 and used for accumulating and releasing elastic potential energy so as to force the warning board 520 not to protrude out of the vehicle shell 510 when the forklift is in a gear state; one end of the pulling rope 550 is fixed to the end of the positioning lever 530 far away from the warning board 520, and the other end is positioned on the push-pull shaft 410 or the pull ring 420 for guiding force; when a person uses the push-pull shaft 410 to switch the forklift to the non-blocking state, the movement of the push-pull shaft 410 pulls the positioning lever 530 to rotate, so that the warning board 520 protrudes out of the vehicle shell 510 to give a warning.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
the technical problem of among the prior art fork truck transmission case can't switch the neutral gear and then hinder fork truck to be promoted and march and then increase the degree of difficulty for charging and the maintenance of fork truck when fork truck trouble or do not have the electricity is solved, realized that the shallow personnel can directly switch the fork truck on the fork truck transmission case and keep off the position technical effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A chain transmission case comprises a transmission case shell, a gear shaft assembly and a transmission gear set, and is characterized by further comprising a gear shifting assembly;
the gear shaft assembly comprises a second shaft and a third shaft, the transmission gear set comprises a first gear and a second gear, the two gears are meshed with each other, the first gear is fixed on the second shaft, and the second gear is rotatably and fixedly connected on the third shaft;
the gear shifting assembly comprises a push-pull shaft, a shifting fork, a gear shifting sliding block, a force guide ring and a ball plunger;
the push-pull shaft is inserted into and slidably positioned on the sliding shaft positioning assembly on the transmission case shell and penetrates out of the transmission case shell, the push-pull shaft is provided with two grooves for being matched with the ball plunger, and the number of the grooves is two;
the shifting fork is fixed on the push-pull shaft and used for shifting the shifting sliding block to slide;
the main body of the force guide ring is annular and is fixed on the second gear;
the gear shifting sliding block is positioned on the three shafts in a sliding mode, synchronously rotates with the three shafts, can be matched with the force guide ring, and can transmit power on the second gear to the three shafts after being matched with the force guide ring;
the plunger positioning component is a cylindrical bin body, is integrally formed with the transmission case shell and plays a role in accommodating and positioning the ball plunger;
the ball plunger is positioned on the plunger positioning assembly, plays a role in limiting the axial movement of the push-pull shaft in a clamping mode, and realizes the switching between the neutral gear and the gear of the forklift by pushing and pulling the push-pull shaft during actual use.
2. A chain drive case as claimed in claim 1 wherein the two slots in the push-pull shaft are first and second slots respectively, the first slot being closer to the fork than the second slot.
3. The chain drive case of claim 1, wherein said shift assembly further comprises a pull ring;
a pull ring positioning hole is positioned on the push-pull shaft;
the pull ring is annular and penetrates through the pull ring positioning hole;
the pull ring positioning hole is a through hole and is positioned on the side wall of one end, close to the ball plunger, of the push-pull shaft.
4. The chain transmission case of claim 3, wherein the main body of the pull ring is D-shaped, and a tubular cushion rubber body is arranged in the pull ring positioning hole;
the pull ring penetrates through the buffer rubber body;
the inner wall of the buffer rubber body is tightly attached to the pull ring, and the outer wall of the buffer rubber body is tightly attached to the hole wall of the pull ring positioning hole.
5. A chain drive case according to any one of claims 1 to 4 further including a neutral warning assembly;
the neutral gear warning component comprises a warning board, a positioning lever, a torsion spring and a pulling rope;
the fulcrum position of the positioning lever can be fixedly connected to the vehicle shell in a rotating mode and is of a lever structure;
the warning board is in a plate shape, is positioned on the positioning lever and is marked with warning patterns and/or slogans;
the torsion spring is positioned at the fulcrum position of the positioning lever and used for accumulating and releasing elastic potential energy so as to force the warning board not to be extended out of the shell of the vehicle when the forklift is blocked;
one end of the pulling rope is fixed at one end of the positioning lever, which is far away from the warning board, and the other end of the pulling rope is positioned on the push-pull shaft and is used for guiding force;
when someone utilizes the push-pull shaft to switch the forklift to a non-blocking state, the push-pull shaft moves to pull the positioning lever to rotate so as to enable the warning board to be out of the shell of the forklift and give a warning.
6. A chain drive case as claimed in any one of claims 1 to 4 wherein said sliding axle locating assembly is located on an inner wall of said case housing and is tubular to function as a location for said push-pull axle.
7. The chain transmission case according to any one of claims 1 to 4, wherein a through hole for the push-pull shaft to pass through the transmission case is positioned in the transmission case;
and a sealing component is positioned on the through hole and is used for preventing oil inside the transmission case shell from being exposed from the through hole.
8. The chain drive of claim 1 wherein said shift blocks are splined shafts and said shift forks are rotatably fixedly attached to said shift blocks;
the force guide ring is a spline housing and is positioned on the second gear, and the spline shaft is matched with the spline housing.
9. The chain transmission case as set forth in claim 1, wherein said shift slider is a gear, and said shift fork is rotatably and fixedly connected to said shift slider;
the power transmission ring is an inner gear ring, and the inner gear ring is matched with the gear shifting sliding block.
10. The chain drive case of claim 1 wherein said transmission case housing is a transmission case housing that functions to support and position said gear shaft assembly, drive gear set and shift assembly;
the gear shaft assembly comprises a plurality of gear shafts, the gear shafts are rotatably and fixedly connected to the transmission case shell through bearings, and the gear shafts are positioned inside the transmission case shell in spatial positions and play a role in positioning the transmission gear set;
the gear shaft assembly comprises a first shaft, a second shaft, a third shaft and a fourth shaft; the shaft is a motor shaft and is used for inputting power; the two shafts and the three shafts both play a role in positioning the transmission gear set; the four shafts are output shafts, are connected with a forklift driving system and are used for outputting power;
the transmission gear set is positioned on the gear shaft assembly and is a combination of a plurality of gears, and the transmission gear set plays a role in transmitting power, reducing speed and increasing torque.
CN202123400009.6U 2021-12-31 2021-12-31 Chain transmission case Active CN216975745U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123400009.6U CN216975745U (en) 2021-12-31 2021-12-31 Chain transmission case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123400009.6U CN216975745U (en) 2021-12-31 2021-12-31 Chain transmission case

Publications (1)

Publication Number Publication Date
CN216975745U true CN216975745U (en) 2022-07-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123400009.6U Active CN216975745U (en) 2021-12-31 2021-12-31 Chain transmission case

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CN (1) CN216975745U (en)

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