CN216241919U

CN216241919U - Around car synchronous ware ring gear

Info

Publication number: CN216241919U
Application number: CN202123002120.XU
Authority: CN
Inventors: 张月明
Original assignee: Jingjiang Yuanchao Forging Co ltd
Current assignee: Jingjiang Yuanchao Forging Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-08
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a synchronizer gear ring surrounding an automobile, belonging to the technical field of synchronizer gear rings, comprising: a synchronizer ring gear; and the threaded sleeve is arranged on the inner wall of the synchronizer gear ring. According to the utility model, the fixing mechanism is arranged, after the threaded sleeve is installed, the connecting block is manually rotated to drive the screw rod to rotate, the first trapezoidal block is driven to drive the second sliding block to move towards one end, when the first trapezoidal block is in contact with the two groups of second trapezoidal blocks, the second trapezoidal blocks are respectively pushed to extrude the spring to move towards one end, the second trapezoidal blocks are inserted into the fixing holes in the inner wall of the toothed ring of the synchronizer, the positioning blocks and the toothed ring of the synchronizer are fixed, so that the threaded sleeve is fixed on the inner wall of the toothed ring of the synchronizer, the function of quickly fixing the threaded sleeve is realized through the matching of the above multiple groups of parts, the steps are reversely operated, the threaded sleeve is quickly separated from the toothed ring of the synchronizer, the threaded sleeve is disassembled to be replaced, and the replacement cost of the toothed ring of the synchronizer is reduced.

Description

Around car synchronous ware ring gear

Technical Field

The utility model relates to the technical field of synchronizer gear rings, in particular to an automobile synchronizer gear ring.

Background

The gear shifting of the old transmission adopts a mode of 'two-foot clutch', the gear is shifted up and stays at a neutral position for a moment, but the clutch needs to be lifted, the purpose is that a clutch plate needs to be synchronous with a flywheel, the rotating speed needs to be consistent to smoothly shift, if the gear shifting is slow, the rotating speed falls to an idle speed and cannot be shifted in, the gear is shifted down and stays at the neutral position, and meanwhile, the clutch is lifted up and a refueling door is kept to reduce the rotating speed difference of the gear, but the operation is complex and is difficult to master accurately. Designers have therefore created "synchronizers" by which the gears to be engaged are brought to a consistent rotational speed for smooth engagement, and the ring gear is one of the important parts of the synchronizer.

The thread that current synchronizer ring gear set up through the inner wall increases and the friction between other parts, and when synchronizer ring gear in the in-process of long-time use, synchronizer ring gear inner wall screw thread causes wearing and tearing easily, needs wholly change synchronizer ring gear, and required replacement cost is great, causes the waste of resource simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a toothed ring surrounding a synchronizer of an automobile, which aims to solve the problem of high replacement cost of the toothed ring of the synchronizer proposed in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a wraparound automotive synchronizer ring comprising:

a synchronizer ring gear;

the threaded sleeve is mounted on the inner wall of the synchronizer gear ring;

the auxiliary mechanism is positioned on the outer wall of the threaded sleeve and used for enabling the threaded sleeve to be rapidly aligned and spliced with the synchronizer gear ring;

and the fixing mechanism is positioned in the fixing mechanism and is used for quickly fixing the threaded sleeve and the synchronizer gear ring.

Preferably, the auxiliary mechanism comprises a positioning block, a bolt and a guide groove, the positioning block is installed on the outer wall of the threaded sleeve, the bolt is rotatably connected to the inner wall of the positioning block, and the guide groove is formed in the inner wall of the synchronizer gear ring.

Preferably, the fixing mechanism comprises a connecting block, a lead screw, a first trapezoid block, a second trapezoid block, a spring, a first slider and a second slider, the lead screw is rotatably connected inside the positioning block, the first trapezoid block is slidably connected to the outer wall of the lead screw, the second slider is fixedly connected to the outer wall of the first trapezoid block, the connecting block is fixedly connected to the top end of the lead screw, the second trapezoid block is slidably connected inside the positioning block, the first slider is fixedly connected to the outer wall of the second trapezoid block, one end of the spring is fixedly connected to the outer wall of the first slider, and the other end of the spring is fixedly connected to the inside of the positioning block.

Preferably, the bolts are provided with a plurality of groups, the inner wall of the positioning block is provided with thread grooves matched with the plurality of groups of bolts, and the inner wall of the thread sleeve is provided with thread grooves matched with the bolts.

Preferably, the guide groove is matched with the positioning block, and a fixing hole matched with the second trapezoidal block is formed in the inner wall of the synchronizer gear ring.

Preferably, the inner wall of the positioning block is provided with a groove matched with the connecting block, and one end of the screw rod extends into the groove in the inner wall of the positioning block and is fixedly connected with the connecting block.

Preferably, the inner wall of the positioning block is provided with a limiting groove matched with the second slider, the first trapezoidal block is connected with the positioning block in a sliding mode through the second slider, the inner wall of the positioning block is provided with a limiting groove matched with the first slider, and the second trapezoidal block is connected with the positioning block in a sliding mode through the first slider.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the auxiliary mechanism is arranged, the positioning block is installed with the threaded sleeve through the bolt, then the positioning block is inserted into the guide groove, so that the threaded sleeve is installed on the inner wall of the synchronizer gear ring, the function of quickly installing the threaded sleeve is realized through the matching of the plurality of groups of parts, and the operation of workers is facilitated;

2. according to the utility model, the fixing mechanism is arranged, after the threaded sleeve is installed, the connecting block is manually rotated to drive the screw rod to rotate, the first trapezoidal block is driven to drive the second sliding block to move towards one end, when the first trapezoidal block is in contact with the two groups of second trapezoidal blocks, the second trapezoidal blocks are respectively pushed to extrude the spring to move towards one end, the second trapezoidal blocks are inserted into the fixing holes in the inner wall of the toothed ring of the synchronizer, the positioning blocks and the toothed ring of the synchronizer are fixed, so that the threaded sleeve is fixed on the inner wall of the toothed ring of the synchronizer, the function of quickly fixing the threaded sleeve is realized through the matching of the above multiple groups of parts, the steps are reversely operated, the threaded sleeve is quickly separated from the toothed ring of the synchronizer, the threaded sleeve is disassembled to be replaced, and the replacement cost of the toothed ring of the synchronizer is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the synchronizer ring and the locating block of the present invention;

FIG. 3 is an enlarged view of the utility model at A;

fig. 4 is an exploded view of the synchronizer ring and the threaded sleeve of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-synchronizer gear ring, 2-thread bushing, 3-connecting block, 4-positioning block, 5-bolt, 6-screw rod, 7-first trapezoidal block, 8-second trapezoidal block, 9-spring, 10-first slide block, 11-second slide block and 12-guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution around a synchronizer ring of an automobile: a wraparound automotive synchronizer ring comprising:

a synchronizer ring gear 1;

the thread bush 2 is arranged on the inner wall of the synchronizer gear ring 1;

the auxiliary mechanism is positioned on the outer wall of the threaded sleeve 2 and used for enabling the threaded sleeve 2 to be quickly aligned and spliced with the synchronizer gear ring 1;

and the fixing mechanism is positioned inside the fixing mechanism and is used for quickly fixing the threaded sleeve 2 with the synchronizer gear ring 1.

The auxiliary mechanism comprises a positioning block 4, a bolt 5 and a guide groove 12, the positioning block 4 is installed on the outer wall of the threaded sleeve 2, the bolt 5 is rotatably connected to the inner wall of the positioning block 4, the guide groove 12 is formed in the inner wall of the synchronizer gear ring 1, and the function of quickly installing the threaded sleeve 2 is achieved through the matching of the multiple groups of parts.

Wherein, fixed establishment includes connecting block 3, lead screw 6, first trapezoidal piece 7, second trapezoidal piece 8, spring 9, first slider 10 and second slider 11, lead screw 6 rotates the inside of connecting at locating

piece

4, 7 sliding connection of first trapezoidal piece are at the outer wall of

lead screw

6, 11 fixed connection of second slider are at the outer wall of first

trapezoidal piece

7, 3 fixed connection of connecting block are on the top of

lead screw

6, 8 sliding connection of second trapezoidal piece are in the inside of locating

piece

4, 10 fixed connection of first slider are at the outer wall of second trapezoidal piece 8, the one end fixed connection of spring 9 is at the outer wall of first slider 10, and spring 9's other end fixed connection is in the inside of locating piece 4, the function of 2 quick fixes of thread bush has been realized through the cooperation of above multiunit part.

Wherein, bolt 5 is provided with the multiunit, so the inner wall of locating piece 4 seted up with the multiunit so 5 assorted thread grooves of bolt, the inner wall of thread bush 2 seted up with 5 assorted thread grooves of bolt, the locating piece 4 of being convenient for installs through multiunit bolt 5 and thread bush 2.

Wherein, the guide way 12 is matched with the locating piece 4, and the inner wall of the synchronizer gear ring 1 is provided with a fixing hole matched with the second trapezoidal block 8, so that the threaded sleeve 2 can be conveniently installed.

Wherein, the inner wall of locating piece 4 seted up with connecting block 3 assorted recess, the one end of lead screw 6 extends to the inside and connecting block 3 fixed connection of 4 inner wall recesses of locating piece, the staff of being convenient for rotates connecting block 3 and drives the lead screw 6 rotatory.

Wherein, the inner wall of locating piece 4 seted up with second slider 11 assorted spacing groove, first trapezoidal piece 7 through

second slider

11 and 4 sliding connection of locating piece, the inner wall of locating piece 4 seted up with first slider 10 assorted spacing groove, second trapezoidal piece 8 through

first slider

10 and 4 sliding connection of locating piece, be convenient for first trapezoidal piece 7 slides at 4 inner walls of locating piece, second trapezoidal piece 8 slides at 4 inner walls of locating piece.

The working principle is as follows: firstly, a positioning block 4 is installed with a threaded sleeve 2 through a bolt 5, then the positioning block 4 is inserted into a guide groove 12, so that the threaded sleeve 2 is installed on the inner wall of a synchronizer gear ring 1, the function of quickly installing the threaded sleeve 2 is realized through the matching of the plurality of groups of parts, after the threaded sleeve 2 is installed, a lead screw 6 is driven to rotate through manually rotating a connecting block 3, a first trapezoidal block 7 is driven to drive a second slider 11 to move towards one end, when the first trapezoidal block 7 is contacted with two groups of second trapezoidal blocks 8, the second trapezoidal blocks 8 are respectively pushed to extrude a spring 9 to move towards one end, so that the second trapezoidal blocks 8 are inserted into fixing holes in the inner wall of the synchronizer gear ring 1, the positioning block 4 and the synchronizer gear ring 1 are fixed, so that the threaded sleeve 2 is fixed on the inner wall of the synchronizer gear ring 1, and the function of quickly fixing the threaded sleeve 2 is realized through the matching of the plurality of groups of parts, and (3) reversing the steps to quickly separate the threaded sleeve 2 from the synchronizer gear ring 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A ring gear for surrounding a synchronizer ring of an automobile, comprising:

a synchronizer ring gear (1);

the threaded sleeve (2) is mounted on the inner wall of the synchronizer gear ring (1);

the auxiliary mechanism is positioned on the outer wall of the threaded sleeve (2) and is used for enabling the threaded sleeve (2) to be rapidly spliced with the synchronizer gear ring (1) in an aligned mode;

and the fixing mechanism is positioned inside the fixing mechanism and used for rapidly fixing the threaded sleeve (2) and the synchronizer gear ring (1).

2. A ring gear for surrounding a synchronizer of an automobile according to claim 1, wherein: the auxiliary mechanism comprises a positioning block (4), a bolt (5) and a guide groove (12), the positioning block (4) is installed on the outer wall of the threaded sleeve (2), the bolt (5) is rotatably connected to the inner wall of the positioning block (4), and the guide groove (12) is formed in the inner wall of the synchronizer gear ring (1).

3. A ring gear for surrounding a synchronizer of an automobile according to claim 2, wherein: the fixing mechanism comprises a connecting block (3), a screw rod (6), a first trapezoidal block (7), a second trapezoidal block (8), a spring (9), a first sliding block (10) and a second sliding block (11), the screw rod (6) is rotatably connected inside the positioning block (4), the first trapezoidal block (7) is slidably connected with the outer wall of the screw rod (6), the second sliding block (11) is fixedly connected with the outer wall of the first trapezoidal block (7), the connecting block (3) is fixedly connected with the top end of the screw rod (6), the second trapezoidal block (8) is connected in the positioning block (4) in a sliding manner, the first sliding block (10) is fixedly connected with the outer wall of the second trapezoidal block (8), one end of the spring (9) is fixedly connected with the outer wall of the first sliding block (10), and the other end of the spring (9) is fixedly connected inside the positioning block (4).

4. A ring gear for surrounding a synchronizer of an automobile according to claim 2, wherein: the bolt (5) is provided with a plurality of groups, the inner wall of the positioning block (4) is provided with thread grooves matched with the plurality of groups of bolts (5), and the inner wall of the thread sleeve (2) is provided with thread grooves matched with the bolts (5).

5. A ring gear for surrounding a synchronizer of an automobile according to claim 3, wherein: the guide groove (12) is matched with the positioning block (4), and a fixing hole matched with the second trapezoidal block (8) is formed in the inner wall of the synchronizer gear ring (1).

6. A ring gear for surrounding a synchronizer of an automobile according to claim 3, wherein: the inner wall of the positioning block (4) is provided with a groove matched with the connecting block (3), and one end of the screw rod (6) extends into the groove in the inner wall of the positioning block (4) and is fixedly connected with the connecting block (3).

7. A ring gear for surrounding a synchronizer of an automobile according to claim 3, wherein: the inner wall of the positioning block (4) is provided with a limiting groove matched with the second sliding block (11), the first trapezoidal block (7) is connected with the positioning block (4) in a sliding mode through the second sliding block (11), the inner wall of the positioning block (4) is provided with a limiting groove matched with the first sliding block (10), and the second trapezoidal block (8) is connected with the positioning block (4) in a sliding mode through the first sliding block (10).