Off-gear prevention automobile synchronizer assembly

Abstract

The utility model relates to the technical field of automobile accessories, in particular to an out-of-gear preventing automobile synchronizer assembly which comprises a synchronizer outer shell, a synchronizer gear shell, a synchronizer gear ring and a joint sleeve are installed in the synchronizer outer shell, a plurality of synchronizer springs are installed on the joint sleeve in a surrounding and embedded mode, and the synchronizer springs are connected with the synchronizer gear ring. Electromagnetic adsorption rings are further fixedly clamped to the inner walls of the synchronizer gear rings correspondingly, a plurality of power supply devices are further fixedly installed on the inner edge of the synchronizer outer shell, oil storage cavities are further formed between the inner wall of the synchronizer outer shell and the synchronizer gear shell and between the inner wall of the synchronizer outer shell and the synchronizer gear rings, and a plurality of oil spraying openings are further formed in the oil storage cavities in a surrounding mode. A lubricating oil port is further formed in the outer side of the synchronizer outer shell. According to the utility model, the electromagnetic adsorption ring is arranged at the meshing position, so that the firmness of the meshing position is improved, and the gear-off phenomenon caused by the disengagement of the meshing position is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, concretely is a kind of anti-drop off automobile synchronizer assembly. BACKGROUND

[0002] Automobile synchronizer is the important component in automobile gearbox, its working principle is through the rotational speed of control gear, make it reach consistent before meshing, to realize smooth shift process.In the shift process, the friction cone ring of synchronizer and the gear to be meshed will produce friction, and the rotational speed of the two is gradually synchronized through the friction effect.In this process, synchronizer needs to maintain certain rotational flexibility and precision, to ensure the smoothness and reliability of shift.

[0003] The synchronization process of automobile synchronizer is as follows: when shifting, the speed of the gear position of power output end is faster than the speed of the gear position to be shifted in.The friction cone ring in synchronizer contacts with the gear to be meshed, and the rotational speed of the two is gradually synchronized through the friction effect.When the inner taper surface of synchronization lock ring contacts with the outer taper surface of the gear ring to be meshed, under the action of friction torque, the rotational speed of gear will rapidly decrease or increase to equal to that of synchronization lock ring, and the two rotate synchronously, at this time, the rotational speed of gear relative to synchronization lock ring is zero, and the inertia torque also disappears.At the driving of force, the engagement sleeve will be connected with the gear ring of synchronization lock ring without obstruction, and further connected with the gear ring to be connected, to complete the shift process.

[0004] However, the existing automobile synchronizer assembly has the following disadvantages: 1.In the process of gear shifting, the friction cone ring in synchronizer meshes with the gear ring to be meshed (synchronizer gear ring), and the rotational speed of the two is gradually synchronized through the friction effect, and with the increase of use time, the friction cone ring in synchronizer is easy to disengage with the gear ring to be meshed, that is, the phenomenon of gear drop-off is easy to occur;2.The synchronizer gear ring in synchronizer is subjected to external meshing action, and the meshing groove is easy to wear, so that the smoothness of subsequent meshing is also affected, at this time, the meshing groove of gear ring needs to be lubricated, and the existing synchronizer lacks automatic lubrication system, and manual disassembly and lubrication of synchronizer are needed, which is troublesome.

[0005] Therefore, it is necessary to design an anti-drop-off automobile synchronizer assembly to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an anti-drop-off automobile synchronizer assembly to solve the problems in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] The utility model provides an anti -drop -off automobile synchronizer assembly, including synchronizer outer casing, the inside of synchronizer outer casing installs synchronizer gear casing, synchronizer gear ring and engagement sleeve respectively, still surround embedding installation has a plurality of synchronizer spring on the engagement sleeve, still clamping fixed with electromagnetic adsorption ring on the inner wall of synchronizer gear ring respectively, still fixedly installed with a plurality of power supply device on the inner edge of synchronizer outer casing, still be provided with oil storage cavity between the inner wall of synchronizer outer casing and synchronizer gear casing, synchronizer gear ring, still surround being provided with a plurality of oil injection ports on the oil storage cavity, still be provided with lubricating oil port on the outside of synchronizer outer casing.

[0009] As the preferred scheme of the utility model, the overall shape and size of the electromagnetic adsorption ring match the overall size of the synchronizer gear ring, and each clamping groove of the electromagnetic adsorption ring is clamped into the inner wall meshing groove of the synchronizer gear ring one by one to form a new meshing groove.

[0010] As the preferred scheme of the utility model, the outside of the electromagnetic adsorption ring is electrically connected to the power supply output interface of the power supply device through the power supply circuit, and the inside of the electromagnetic adsorption ring is further provided with an electromagnetic machine body.

[0011] As the preferred scheme of the utility model, an induction sheet is further provided in each meshing groove of each electromagnetic adsorption ring, a control module is further embedded and installed on the side shell of the synchronizer gear casing, the signal output end of the induction sheet is communicatively connected to the signal input end of the control module through a wire, and the output end of the control module is further communicatively connected to the on-off control end of the power supply device.

[0012] As the preferred scheme of the utility model, the lower part of the lubricating oil port is in communication with the inner cavity of the oil storage cavity, and the plurality of oil injection ports are uniformly arranged on the oil storage cavity.

[0013] As the preferred scheme of the utility model, a sealing plug is further fixedly connected to the inside of the lubricating oil port in a threaded manner, and the sealing plug and the inside of the lubricating oil port are in a sealing structure design.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. In the utility model, when the friction cone ring in the synchronizer is engaged with the to-be-engaged gear ring (synchronizer gear ring) during gear shifting, the induction sheet in the meshing groove senses the engagement action, and immediately controls the power supply device to supply power to the electromagnetic machine body in the electromagnetic adsorption ring through the control module, so that the friction cone ring in the synchronizer is attracted and fixed to the to-be-engaged gear ring (synchronizer gear ring) through magnetic action at the moment after the engagement action is completed, thereby preventing the phenomenon of gear drop caused by disengagement.

[0016] 2. The utility model discloses a kind of anti-disengagement automobile synchronizer assembly, before installing automobile synchronizer, lubricating oil is placed in oil storage cavity by lubricating oil port, and the rotating action of each time gear is engaged is used to pour lubricating oil into meshing slot by oil injection port, to reach the effect of automatic lubrication, avoid the wear of meshing position. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the plane structure schematic diagram of the utility model;

[0019] Figure 3 It is the plane structure schematic diagram of synchronizer gear ring of the utility model;

[0020] Figure 4 It is the structure schematic diagram of lubricating system of the utility model.

[0021] In the drawing: 1, synchronizer shell; 2, synchronizer gear housing; 3, synchronizer gear ring; 4, joint cover; 5, synchronizer spring; 6, electromagnetic adsorption ring; 7, power supply device; 8, oil storage cavity; 9, oil injection port; 10, lubricating oil port; 11, power supply circuit; 12, inductive sheet; 13, control module; 14, sealing plug. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] In order to facilitate understanding of the utility model, the utility model will be described more fully with reference to relevant drawings. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described in this paper. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or a middle element can exist. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this paper are only for illustrative purposes.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] For examples, see Figures 1-4 , the utility model provides a technical solution:

[0027] A disengagement-proof automobile synchronizer assembly includes a synchronizer outer shell 1, inside which are respectively installed a synchronizer gear case 2, a synchronizer gear ring 3 and a coupling sleeve 4, a plurality of synchronizer springs 5 ​​are embedded and installed around the coupling sleeve 4, an electromagnetic adsorption ring 6 is respectively fixedly engaged on the inner wall of the synchronizer gear ring 3, a plurality of power supply devices 7 are also fixedly installed on the inner edge of the synchronizer outer shell 1, an oil storage cavity 8 is provided between the inner wall of the synchronizer outer shell 1 and the synchronizer gear case 2 and the synchronizer gear ring 3, a plurality of oil injection ports 9 are also provided around the oil storage cavity 8, and a lubricating oil port 10 is also provided on the outer side of the synchronizer outer shell 1.

[0028] Specifically, the overall shape and size of the electromagnetic attraction ring 6 match the overall size of the synchronizer ring 3, and each slot of the electromagnetic attraction ring 6 (as shown in the attached Figure 3 The B side shown in the figure) are all correspondingly inserted into the inner wall meshing groove of the synchronizer gear ring 3 to form a new meshing groove; the outside of the electromagnetic attraction ring 6 is electrically connected to the power output interface of the power supply device 7 through the power line 11, and the inside of the electromagnetic attraction ring 6 is also provided with an electromagnetic body; inside each meshing groove of each electromagnetic attraction ring 6 (as shown in the figure) Figure 3 The A side shown in the figure is also provided with an induction plate 12, and a control module 13 is also embedded and installed on the side shell of the synchronizer gear housing 2, and the signal output end of the induction plate 12 is communicated with the signal input end of the control module 13 through a wire, and the output end of the control module 13 is also communicated with the start and close control end of the power supply device 7; when shifting, when the friction cone ring in the synchronizer is engaged with the gear ring to be engaged (synchronizer gear ring 3), the induction plate 12 located inside the engagement groove senses the engagement action, and immediately controls the power supply device 7 through the control module 13 to power the electromagnetic body inside the electromagnetic attraction ring 6, so that at the moment the engagement action is completed, the friction cone ring in the synchronizer and the gear ring to be engaged (synchronizer gear ring 3) are attracted and fixed by magnetic action, thereby preventing them from disengaging and causing gear loss.

[0029] Specific, the lower part of the lubricating oil port 10 and the internal cavity of the oil storage cavity 8 are communicated, and several oil injection ports 9 are uniformly arranged on the oil storage cavity 8; the inside of the lubricating oil port 10 is further fixedly connected with a sealing plug 14 in a threaded manner, and the sealing plug 14 and the inside of the lubricating oil port 10 are in a sealing structure design; through the rotating action of each time the gear is engaged, the lubricating oil is sprayed into the meshing groove through the oil injection port 9, so as to achieve the effect of automatic lubrication and avoid wear at the meshing position.

[0030] The working process of the utility model: when the friction cone ring in the synchronizer and the to-be-engaged gear ring (synchronizer gear ring 3) are engaged, the induction sheet 12 in the meshing groove senses the engagement action, and immediately controls the power supply device 7 to supply power to the electromagnetic machine body in the electromagnetic adsorption ring 6 through the control module 13, so that the friction cone ring in the synchronizer and the to-be-engaged gear ring (synchronizer gear ring 3) are attracted and fixed through magnetic action at the moment after the engagement action is completed, thereby preventing the phenomenon of gear drop caused by disengagement, and after the gear shifting is completed, the power supply device 7 stops supplying power, at this time the magnetism disappears, and the reciprocating phenomenon appears again when the next gear shifting occurs; through the rotating action of each time the gear is engaged, the lubricating oil is sprayed into the meshing groove through the oil injection port 9, so as to achieve the effect of automatic lubrication and avoid wear at the meshing position.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A slippage prevention on-off automobile synchronizer assembly comprising a synchronizer outer housing (1), characterized in that: The inner part of the synchronizer outer shell (1) is respectively provided with a synchronizer gear housing (2), a synchronizer gear ring (3) and an engagement sleeve (4), a plurality of synchronizer springs (5) are embedded and installed on the engagement sleeve (4), the inner wall of the synchronizer gear ring (3) is respectively clamped and fixed with an electromagnetic adsorption ring (6), a plurality of power supply devices (7) are fixedly installed on the inner edge of the synchronizer outer shell (1), an oil storage cavity (8) is arranged between the inner wall of the synchronizer outer shell (1) and the synchronizer gear housing (2) and the synchronizer gear ring (3), a plurality of oil injection ports (9) are arranged on the oil storage cavity (8), and a lubricating oil port (10) is arranged on the outer side of the synchronizer outer shell (1).

2. A hold-off automotive synchronizer assembly as set forth in claim 1, further characterized by: The overall shape and size of the electromagnetic adsorption ring (6) matches the overall size of the synchronizer gear ring (3), and each clamping groove of the electromagnetic adsorption ring (6) is clamped into the inner wall engagement groove of the synchronizer gear ring (3) one by one to form a new engagement groove.

3. A slippage prevention gear synchronizer assembly according to claim 1, wherein: The outer part of the electromagnetic adsorption ring (6) is electrically connected to the power supply output interface of the power supply device (7) through a power supply circuit (11), and the inner part of the electromagnetic adsorption ring (6) is further provided with an electromagnetic machine body.

4. A slippage prevention gear synchronizer assembly as set forth in claim 1, further characterized by: An induction sheet (12) is arranged in each engagement groove of each electromagnetic adsorption ring (6), a control module (13) is embedded and installed on the side shell of the synchronizer gear housing (2), the signal output end of the induction sheet (12) is communicatively connected to the signal input end of the control module (13), and the output end of the control module (13) is communicatively connected to the opening and closing control end of the power supply device (7).

5. A slippage prevention gear synchronizer assembly as set forth in claim 1, further characterized by: The lower part of the lubricating oil port (10) is in communication with the inner cavity of the oil storage cavity (8), and a plurality of oil injection ports (9) are uniformly arranged on the oil storage cavity (8).

6. A slippage prevention gear synchronizer assembly as set forth in claim 1, further characterized by: The inner part of the lubricating oil port (10) is further fixedly connected with a sealing plug (14) in a threaded manner, and the sealing plug (14) and the inner part of the lubricating oil port (10) are in a sealed structure design.

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