CN214888712U - Transmission mechanism of speed changer - Google Patents

Abstract

The utility model discloses a transmission mechanism, which relates to the technical field of transmissions, and comprises an engine driving rod, wherein an engine gear is fixedly connected to the outer wall of the engine driving rod and is engaged with a gear; an anti-abrasion mechanism is arranged on the engine gear; the anti-abrasion mechanism comprises an anti-abrasion sleeve sleeved on the engine gear, and the anti-abrasion sleeve is arranged at the sawtooth part of the engine gear; the wear-resistant sleeve is additionally arranged at the sawtooth part of the engine gear, the wear-resistant sleeve can avoid the direct contact between the engine gear and the gear, prevent the friction between the engine gear and the gear, prolong the service life of the engine gear and the gear and reduce the cost; wherein when later maintenance, drive the fixture block and the draw-in groove non-contact of dead lever one end through rotating the pivot and can dismantle wear-resisting cover, need not dismantle whole gear train, easy operation reduces the unnecessary amount of labour, is convenient for raise the efficiency.

Description

Transmission mechanism of speed changer

Technical Field

The utility model relates to a derailleur technical field specifically is derailleur drive mechanism.

Background

A transmission is a mechanism for changing the speed and torque from an engine, which can change the ratio of the output shaft to the input shaft, either fixed or in steps, also known as a gearbox. The speed variator consists of speed-changing transmission mechanism and control mechanism, and some vehicles also have power output mechanism. The transmission mechanism is mainly driven by common gears and also driven by planetary gears. The common gear transmission speed change mechanism generally uses a sliding gear, a synchronizer and the like, when gears are meshed to work, the teeth of the gears rub against each other, and the gears can be damaged when the gears work for a long time;

the existing gear lacks a corresponding protection mechanism, so that the service life of the gear is greatly reduced, the damage is thorough, the gear needs to be integrally replaced, the labor amount is large, the cost is high, and therefore, a transmission mechanism of the speed changer is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a derailleur drive mechanism to solve the above-mentioned during operation of gear engagement that proposes among the background art, mutual friction between the sawtooth department of gear may cause the damage of gear at long-term during operation, current gear lacks corresponding protection mechanism, makes the life greatly reduced of gear, and this kind of damage is thorough, needs whole change gear, and the amount of labour is great, the higher problem of cost.

In order to achieve the above object, the utility model provides a following technical scheme:

a variator drive mechanism comprising:

the integral mechanism comprises an engine driving rod, wherein an engine gear is fixedly connected to the outer wall of the engine driving rod and is engaged with a gear;

and an anti-abrasion mechanism is arranged on the engine gear.

As a further aspect of the present invention, the wear-resistant mechanism includes a wear-resistant sleeve that is sleeved on the engine gear, the wear-resistant sleeve is disposed at the teeth of the engine gear.

As a further scheme of the utility model, the two side walls of the engine gear are both provided with a clamping groove, the wear-resistant sleeve is provided with a fixed rod, and one end of the fixed rod is fixedly connected with a rotating shaft;

the other end of the fixed rod is rotatably connected with a clamping block.

As a further proposal of the utility model, the fixed ring which is connected with the wear-resistant sleeve in butt joint with the fixed rod is positioned on the fixed rod.

As a further proposal of the utility model, the utility model also comprises a strengthening mechanism which comprises strengthening strips respectively and fixedly connected on two side walls of the engine gear;

the outer wall of the engine driving rod is fixedly connected with a connecting plate, one end of the connecting plate, which is close to the engine gear, is fixedly connected with a reinforcing plate, and the other end of the reinforcing plate is fixedly connected with the engine gear;

the reinforcing plate is triangular.

As a further scheme of the utility model, the number of the reinforcing strips is eight, and every four reinforcing strips are equidistantly distributed on the side wall of the engine gear;

the reinforcing plate is provided with four, and four the reinforcing plate distributes along engine actuating lever outer wall equidistance.

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

the wear-resistant sleeve is additionally arranged at the sawtooth part of the engine gear, the wear-resistant sleeve can avoid the direct contact between the engine gear and the gear, prevent the friction between the engine gear and the gear, prolong the service life of the engine gear and the gear and reduce the cost; when later maintenance is performed, only the wear-resistant sleeve needs to be maintained, the wear-resistant sleeve can be disassembled by rotating the rotating shaft to drive the clamping block at one end of the fixed rod to be in non-contact with the clamping groove, the whole gear set does not need to be disassembled, the operation is simple, the unnecessary labor amount is reduced, and the efficiency is convenient to improve;

the utility model discloses an equal fixedly connected with enhancement strip on engine gear both sides wall, it can increase the structural strength of engine gear to strengthen the strip, prevent that engine gear from taking place deformation at the during operation, prevent that engine gear from breaking, can effectively improve engine gear's life, it is not influenced to guarantee engine gear's work efficiency, wherein through connecting plate cooperation reinforcing plate and engine gear fixed connection, and the reinforcing plate is the triangle-shaped shape, the reinforcing plate can improve the intensity of engine actuating lever and engine gear junction, prevent that engine gear root from producing bending stress, avoid engine gear to break.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of a slot in the present invention;

fig. 4 is a schematic view of a connection structure of the fixing rod and the fixture block in the present invention.

In the figure: 100. an integral mechanism; 101. an engine drive shaft; 102. an engine gear; 103. a gear wheel; 200. a reinforcing mechanism; 201. a reinforcing strip; 202. a connecting plate; 203. a reinforcing plate; 300. an anti-wear mechanism; 301. a wear-resistant sleeve; 302. a card slot; 303. a clamping block; 304. fixing the rod; 305. a rotating shaft; 306. and (4) fixing the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1, 3 and 4, the present invention provides a technical solution: the transmission mechanism is an integral mechanism 100 and comprises an engine driving rod 101, an engine gear 102 is fixedly connected to the outer wall of the engine driving rod 101, and the engine gear 102 is meshed with a gear 103;

an anti-abrasion mechanism 300 is arranged on the engine gear 102, the anti-abrasion mechanism 300 comprises a wear-resistant sleeve 301 sleeved on the engine gear 102, the wear-resistant sleeve 301 is arranged at a sawtooth position of the engine gear 102, clamping grooves 302 are formed in two side walls of the engine gear 102, a fixing rod 304 penetrates through the wear-resistant sleeve 301, and one end of the fixing rod 304 is fixedly connected with a rotating shaft 305; the other end of the fixed rod 304 is rotatably connected with a clamping block 303, and a fixed ring 306 which is abutted with the wear-resistant sleeve 301 is screwed on the fixed rod 304.

Specifically, when the wear-resistant sleeve 301 is used, firstly, the wear-resistant sleeve 301 is additionally arranged at the sawtooth position of the engine gear 102, the wear-resistant sleeve 301 can avoid direct contact between the engine gear 102 and the gear shift 103, friction between the engine gear 102 and the gear shift 103 is prevented, the service lives of the engine gear 102 and the gear shift 103 are prolonged, cost input is reduced, when later maintenance is performed, only the wear-resistant sleeve 301 needs to be maintained, when the wear-resistant sleeve 301 is disassembled, a user rotates the rotating shaft 305, the rotating shaft 305 drives the fixing rod 304 to move on the wear-resistant sleeve 301, the clamping block 303 at one end of the fixing rod 304 is taken out of the clamping groove 302, fixation of the wear-resistant sleeve 301 can be released, the user can take the wear-resistant sleeve 301 off from the engine gear 102 again, the whole gear set does not need to be disassembled, the operation is simple, unnecessary labor amount is reduced, and efficiency is improved conveniently.

Example 2:

referring to fig. 1-3, the present invention provides a technical solution: the transmission mechanism further comprises a reinforcing mechanism 200, wherein the reinforcing mechanism 200 comprises reinforcing strips 201 which are fixedly connected to two side walls of the engine gear 102 respectively;

the outer wall of the engine driving rod 101 is fixedly connected with a connecting plate 202, one end of the connecting plate 202, which is close to the engine gear 102, is fixedly connected with a reinforcing plate 203, and the other end of the reinforcing plate 203 is fixedly connected with the engine gear 102; the reinforcing plate 203 is triangular, eight reinforcing strips 201 are arranged, and every four reinforcing strips 201 are equidistantly distributed on the side wall of the engine gear 102; the reinforcing plates 203 are provided in four, and the four reinforcing plates 203 are equally distributed along the outer wall of the engine driving shaft 101.

Specifically, when using, strengthen strip 201 through equal fixedly connected with on engine gear 102 both sides wall, strengthen strip 201 can increase engine gear 102's structural strength, prevent that engine gear 102 from taking place deformation at the during operation, prevent that engine gear 102 from breaking, can effectively improve engine gear 102's life, guarantee that engine gear 102's work efficiency is not influenced, wherein cooperate reinforcing plate 203 and engine gear 102 fixed connection through connecting plate 202, and reinforcing plate 203 is the triangle-shaped shape, reinforcing plate 203 can improve the intensity of engine actuating lever 101 and engine gear 102 junction, prevent that engine gear 102 root from producing bending stress, avoid engine gear 102 to break.

The working principle is as follows: for the utility model, when in use, firstly, the wear-resistant sleeve 301 is arranged at the sawtooth position of the engine gear 102, when in installation, a user can sleeve the wear-resistant sleeve 301 at the sawtooth position of the engine gear 102, then the rotating shaft 305 is rotated, the rotating shaft 305 drives the fixed rod 304 to move on the wear-resistant sleeve 301, after the clamping block 303 rotationally connected with one end of the fixed rod 304 is clamped with the clamping groove 302 on the engine gear 102, the fixation of the wear-resistant sleeve 301 can be completed, the wear-resistant sleeve 301 is additionally arranged at the sawtooth position of the engine gear 102, the wear-resistant sleeve 301 can avoid the direct contact between the engine gear 102 and the gear shift 103, the friction between the engine gear 102 and the gear shift 103 can be prevented, the service lives of the engine gear 102 and the gear shift 103 can be prolonged, the cost investment can be reduced, wherein, when in later maintenance, only the wear-resistant sleeve 301 needs to be maintained, when the wear-resistant sleeve 301 is disassembled, the user rotates the rotating shaft 305, the rotating shaft 305 drives the fixing rod 304 to move on the wear-resistant sleeve 301, the fixture block 303 at one end of the fixing rod 304 is taken out of the clamping groove 302, so that the fixation of the wear-resistant sleeve 301 can be released, the user can take the wear-resistant sleeve 301 off the engine gear 102 again without disassembling the whole gear set, the operation is simple, the unnecessary labor amount is reduced, the efficiency is improved, finally, the reinforcing strips 201 are fixedly connected to the two side walls of the engine gear 102, the structural strength of the engine gear 102 can be improved by the reinforcing strips 201, the deformation of the engine gear 102 during working is prevented, the fracture of the engine gear 102 is prevented, the service life of the engine gear 102 can be effectively prolonged, the working efficiency of the engine gear 102 is not affected, the connecting plate 202 is fixedly connected with the engine gear 102 in a manner of being matched with the reinforcing plate 203, and the reinforcing plate 203 is in a triangular shape, the reinforcing plate 203 can improve the strength of the joint of the engine driving rod 101 and the engine gear 102, prevent the root of the engine gear 102 from generating bending stress, and avoid the engine gear 102 from breaking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A variator drive mechanism, comprising:

the integral mechanism (100) comprises an engine driving rod (101), an engine gear (102) is fixedly connected to the outer wall of the engine driving rod (101), and the engine gear (102) is meshed with a gear (103);

an anti-wear mechanism (300) is arranged on the engine gear (102).

2. A transmission gear mechanism according to claim 1, characterised in that the wear protection mechanism (300) comprises a wear sleeve (301) which is sleeved on the engine gear (102), the wear sleeve (301) being arranged at the teeth of the engine gear (102).

3. The transmission mechanism of claim 2, wherein two side walls of the engine gear (102) are provided with clamping grooves (302), the wear-resistant sleeve (301) is provided with a fixing rod (304) in a penetrating manner, and one end of the fixing rod (304) is fixedly connected with a rotating shaft (305);

the other end of the fixed rod (304) is rotatably connected with a clamping block (303).

4. A variator transmission as claimed in claim 3, characterised in that a fixed ring (306) is screwed onto the fixed rod (304) in abutment with the wear sleeve (301).

5. A variator transmission as claimed in claim 1, further comprising a stiffening mechanism (200), the stiffening mechanism (200) comprising stiffening strips (201) fixedly attached to both side walls of the engine gear (102), respectively;

the outer wall of the engine driving rod (101) is fixedly connected with a connecting plate (202), one end, close to the engine gear (102), of the connecting plate (202) is fixedly connected with a reinforcing plate (203), and the other end of the reinforcing plate (203) is fixedly connected with the engine gear (102);

the reinforcing plate (203) is triangular in shape.

6. A variator transmission as claimed in claim 5, characterized in that the reinforcing bars (201) are provided in eight and the eight reinforcing bars (201) are equally distributed in groups of four each on the engine gear (102) side wall;

the reinforcing plate (203) is provided with four, and four reinforcing plate (203) are along engine driving pole (101) outer wall equidistance distribution.

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