CN212690802U

CN212690802U - double-H transmission control assembly and double-H transmission

Info

Publication number: CN212690802U
Application number: CN202020963382.9U
Authority: CN
Inventors: 陈文仁; 章刚; 张发勇; 严鉴铂; 刘义
Original assignee: Xian Fast Auto Drive Co Ltd
Current assignee: Xian Fast Auto Drive Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-12
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a two H derailleur control assembly and two H derailleurs, including controlling the casing, be provided with horizontal gear level in controlling the casing, the overhead cover of horizontal gear level has the hollow gear level, and the overhead cover of hollow gear level has the shifting hand piece, and has seted up rectangular hole along the axial on the hollow gear level, and horizontal gear level passes through the locating pin with the shifting hand piece and is connected, and the locating pin is located rectangular hole; a groove with an opening gradually reduced inwards is formed on the lower side surface of the gear shifting head; a double-gear valve is arranged on the control shell and opposite to the lower side surface of the gear shifting block, the double-gear valve comprises a first ejector rod and a second ejector rod, and the first ejector rod and the second ejector rod are matched with the lower side surface of the gear shifting block; when the first ejector rod is positioned in the groove, the second ejector rod is compressed; when the second ejector pin is positioned in the groove, the first ejector pin is compressed. The utility model discloses can make the derailleur high-low gear switch and select shelves power symmetry, optimize and select to keep off and feel.

Description

double-H transmission control assembly and double-H transmission

Technical Field

The utility model belongs to the technical field of the derailleur, concretely relates to two H derailleurs control assembly and two H derailleurs.

Background

The increase of the gear number of the automobile transmission can improve the power utilization rate of an engine, the fuel economy and the average speed of the automobile, the transmission with the rear auxiliary box can double the gear of the traditional transmission, the operation of the transmission is divided into a single H type and a double H type, and the operation of the double H type is simpler and more convenient than that of the single H type. With the continuous increase of the automobile holding capacity, the road traffic condition deteriorates day by day, and the requirement of a user on the gear shifting quality of the mechanical transmission is higher and higher due to frequent gear shifting operations.

At present, double H valves (single-head valves) are mostly used for controlling high-low gear switching for the operation of the double H structure speed changer, the high-low gear switching force of the speed changer is asymmetrical, and the gear selecting hand feeling is not good.

Disclosure of Invention

To the technical problem among the prior art, the utility model provides a two H derailleur are controlled assembly and two H derailleurs can make the derailleur high-low gear switch to select shelves power symmetry, optimize to select to keep off and feel.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a double-H transmission control assembly comprises a control shell, wherein a transverse gear shifting rod is arranged in the control shell, a hollow gear shifting shaft is sleeved on the transverse gear shifting rod, a gear shifting block is sleeved on the hollow gear shifting shaft, a long hole is formed in the hollow gear shifting shaft along the axial direction, the transverse gear shifting rod is connected with the gear shifting block through a positioning pin, and the positioning pin is located in the long hole; a groove with an opening gradually reduced inwards is formed in the lower side surface of the gear shifting head; a gear doubling valve is arranged on the control shell and is opposite to the lower side surface of the gear shifting block, the gear doubling valve comprises a first ejector rod and a second ejector rod, and the first ejector rod and the second ejector rod are matched with the lower side surface of the gear shifting block; when the first ejector rod is positioned in the groove, the second ejector rod is compressed; when the second ejector pin is positioned in the groove, the first ejector pin is compressed.

Furthermore, a gear shifting booster is connected to the transverse gear shifting rod and fixed to the control shell.

Furthermore, one end of the transverse gear shifting rod extends out of the operation shell, a dust cover is sleeved on the extending end of the transverse gear shifting rod, and the dust cover is connected with the operation shell.

Further, an oil seal is provided between the lateral shift lever and the manipulation case.

Furthermore, a self-locking mechanism is arranged at a position, opposite to the upper side face of the gear shifting block, on the control shell, and the self-locking mechanism is matched with the upper side face of the gear shifting block.

Further, a vent plug is arranged on the operating shell and communicated with the inner cavity of the operating shell.

Furthermore, a positioning mechanism and a reverse gear lock are arranged on the control shell, and the positioning mechanism and the reverse gear lock are respectively matched with the transverse gear shifting rod.

Further, an end cap is provided at an end of the manipulation case.

The utility model provides a two H derailleurs uses the control assembly.

Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model provides a pair of two H derailleur control assembly, when selecting to keep off, when horizontal gear level removed the removal along the axial, can drive the shifting block of shifting and remove the removal together and realize selecting the shelves. A groove with an opening gradually reduced inwards is formed on the lower side surface of the gear shifting head; a double-gear valve is arranged on the operating shell and is opposite to the lower side surface of the gear shifting block, the double-gear valve comprises a first ejector rod and a second ejector rod, namely a double-head valve structure, the first ejector rod and the second ejector rod are matched with the lower side surface of the gear shifting block, and in the gear selecting process, when the first ejector rod is positioned in the groove, the second ejector rod is compressed by the gear shifting block; when the second ejector rod is located in the groove, the first ejector rod is compressed by the gear shifting block. That is to say, the utility model discloses can be so that the high-low gear of derailleur end switches the selection shelves power symmetry, optimize the selection and keep off and feel.

Further, the utility model discloses the booster that matches to shift reduces the power of shifting, promotes to shift and feels, improves the market competition of the special two H structure gearboxes of law.

Furthermore, a dust cover is sleeved on the extending end of the transverse gear shifting rod in the hollow mode, and dust can be effectively prevented from entering the operating shell.

Furthermore, an oil seal is arranged between the transverse gear shifting rod and the control shell, so that oil leakage is prevented.

Furthermore, a self-locking mechanism is arranged on the control shell and opposite to the upper side face of the gear shifting block, the self-locking mechanism is matched with the upper side face of the gear shifting block, self-locking is carried out after gear shifting, and automatic gear jumping is prevented.

Furthermore, a vent plug is arranged on the operating shell, and the vent plug is communicated with the inner cavity of the operating shell and used for exhausting gas in the operating shell.

The utility model discloses a two H derailleurs select shelves power symmetry when high-low grade switches, select to keep off and feel good.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a dual H transmission operating assembly of the present invention;

FIG. 2 is a schematic diagram of a dual H-valve high-low altitude switching process in the prior art;

FIG. 3 is a schematic diagram of a dual H-valve high-low altitude switching process in the prior art;

FIG. 4 is a schematic view of the switching process of the double-stop valve in the high-low position;

fig. 5 is the schematic view of the high-low altitude switching process of the double-stop valve of the present invention.

1-a gear shift booster; 2-booster connecting bolt; 3-a dust cover; 4-a lateral shift lever; 5-oil sealing; 6-cylindrical pin; 7-a limiting mechanism; 8-a positioning mechanism; 9-hollow gear shift shaft; 10-a self-locking mechanism; 11-a gear shifting head; 110-a groove; 12-a locating pin; 13-a vent plug; 14-an end cap; 15-bolt; 16-reverse gear lock; 17-double shift valve; 170-first top bar; 171-a second ejector rod; 18-steering housing.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are 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.

As a certain embodiment of the utility model, as shown in fig. 1, a two H derailleur control assembly, including controlling casing 18, be provided with horizontal gear level 4 in the manipulation casing 18, horizontal gear level 4 overhead cover has hollow gear level 9, hollow gear level 9 with control 18 mating holes clearance fit of casing, hollow gear level 9 overhead cover has the shifting hand piece 11 of shifting, and has seted up the rectangular hole along the axial on the hollow gear level 9, horizontal gear level 4 passes through locating pin 12 clearance fit with shifting hand piece 11 and is connected, locating pin 12 is located rectangular downthehole. That is, during gear selection, when the transverse shift lever 4 moves left and right along the axial direction, the shift dial 11 can be driven to move left and right together to realize gear selection; during gear shifting, when the transverse gear shifting rod 4 rotates along the axial direction, the gear shifting head 11 and the hollow gear shifting shaft 9 can rotate axially together with the transverse gear shifting rod 4 to realize gear shifting.

As shown in fig. 1, 4 and 5, a groove 110 with an inward opening gradually decreasing is formed on the lower side surface of the shift knob 11, and specifically, the cross section of the groove 110 is an isosceles trapezoid. A double-gear valve 17 is arranged on the operating shell 18 opposite to the lower side surface of the gear shifting block 11, the double-gear valve 17 is connected with the operating shell 18 through a bolt, the double-gear valve 17 comprises a first push rod 170 and a second push rod 171, and the first push rod 170 and the second push rod 171 are matched with the lower side surface of the gear shifting block 11. As shown in fig. 4 and 5, during the high neutral to low neutral shift, the second ram 171 is compressed when the first ram 170 is located within the recess 110; when the second ejector pin 171 is located in the groove 110, the first ejector pin 170 is compressed. That is, the double-gear valve 17 is formed by combining two small valves, and when the high altitude is switched to the low altitude and the low altitude is switched to the high altitude, the positions of the two valve push rods are symmetrical, and both one push rod is compressed and the other push rod is released, so that the high-low gear switching and gear selecting forces are symmetrical.

As shown in fig. 1, one end of the lateral shift lever 4 extends out of the operating case 18, and a dust cover 3 is fitted over the extended end, and the dust cover 3 is connected to the operating case 18. As the utility model discloses a preferred embodiment is connected with booster 1 of shifting on the position that is close to the end that stretches out on horizontal gear level 4, specific theory, shift booster 1 and control and be connected through booster connecting bolt 2 between the casing 18, 6 one ends of cylindric lock with shift booster 1 mating holes interference connection, the other end with horizontal gear level 4 on U type cooperation groove axial sliding connection.

An oil seal 5 is arranged between the transverse gear shifting lever 4 and the operating shell 18, an end cover 14 is arranged at the end part of the operating shell 18, specifically, the oil seal 5 is pressed into a matching hole of the operating shell 18, and the end cover 14 is connected with the operating shell 18 through a bolt 15.

As shown in fig. 1, a self-locking mechanism 10 is disposed on the operating housing 18 at a position facing the upper side of the shift knob 11, and the self-locking mechanism 10 is engaged with the upper side of the shift knob 11. The operating shell 18 is provided with a vent plug 13, and the vent plug 13 is communicated with the inner cavity of the operating shell 18. The actuating housing 18 is provided with a positioning device 8 and a reverse gear lock 16, the positioning device 8 and the reverse gear lock 16 being respectively engaged with the lateral shift lever 4. The limiting mechanism 7, the positioning mechanism 8, the self-locking mechanism 10, the vent plug 13 and the reverse gear lock 16 are in threaded connection with the operating shell 18.

Gear selecting and shifting work: when the gear is selected, the gear shifting head 11 and the transverse gear shifting rod 4 move axially together to realize the gear selection. During the gear shift, shift the shifting block 11 with horizontal gear level 4 and hollow gear level 9 together axial rotation realize shifting, shift the shifting block 11 and compress self-locking mechanism 10 and produce and shift and feel, shift simultaneously booster 1 and drive horizontal gear level 4 and produce the helping hand to shift the shifting block 11, stop gear 7 carries out limiting displacement to shifting, reverse gear 16 cooperation horizontal gear level 4 produces and reverses when selecting reverse gear and feels.

High-low gear switching work: according to the operation states of the figures 4 and 5, the initial position is a low neutral position in the free state, the transverse gear shifting rod 4 drives the gear shifting block 11 to shift to a left gear, namely the low neutral position to switch to a high neutral position, and conversely, the gear shifting block to shift to the right gear is the high neutral position to switch to the low neutral position, and meanwhile, in the process of shifting to the high and low gears, the positioning mechanism 8 and the transverse gear shifting rod 4 jointly act to position the high and low neutral positions.

Comparing fig. 2 and 3 with fig. 4 and 5, the symmetry of the high-low altitude gear selection force of the present invention will be further explained: as shown in fig. 2 and 3, in the double-H valve high-low altitude switching process, the air valve mandril is compressed when the low altitude is switched to high altitude gear selection, and conversely, the air valve mandril is released when the low altitude is switched to low altitude, so that the low altitude switching high altitude gear selection force is obviously greater than the high altitude switching low altitude value. As shown in fig. 4 and 5, the high-low level switching process of the double-gear valve is realized, the double-gear valve is formed by combining two small valves, the positions of the two valve push rods are symmetrical when the high altitude is switched to the low altitude and the low altitude is switched to the high altitude, and both one push rod is compressed and the other push rod is released, so that the high-low level switching gear selecting force is symmetrical.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The double-H transmission control assembly is characterized by comprising a control shell (18), wherein a transverse shift lever (4) is arranged in the control shell (18), a hollow shift shaft (9) is sleeved on the transverse shift lever (4), a shift shifting block (11) is sleeved on the hollow shift shaft (9), a long strip hole is formed in the hollow shift shaft (9) along the axial direction, the transverse shift lever (4) is connected with the shift shifting block (11) through a positioning pin (12), and the positioning pin (12) is located in the long strip hole; a groove (110) with an opening gradually reduced inwards is formed in the lower side surface of the gear shifting head (11); a double gear valve (17) is arranged at a position, opposite to the lower side surface of the gear shifting block (11), on the operating shell (18), the double gear valve (17) comprises a first ejector rod (170) and a second ejector rod (171), and the first ejector rod (170) and the second ejector rod (171) are matched with the lower side surface of the gear shifting block (11); the second ejector pin (171) is compressed when the first ejector pin (170) is located within the recess (110); the first plunger (170) is compressed when the second plunger (171) is located within the recess (110).

2. A dual H-transmission actuation assembly according to claim 1, characterized in that a shift booster (1) is connected to the transverse shift lever (4), said shift booster (1) being fixed to the actuation housing (18).

3. The dual H-transmission operating assembly according to claim 1, wherein one end of the lateral shift lever (4) extends out of the operating housing (18), and a dust cover (3) is sleeved on the extending end, and the dust cover (3) is connected with the operating housing (18).

4. A twin H-transmission operating assembly according to claim 1, characterised in that an oil seal (5) is provided between the lateral shift lever (4) and the operating housing (18).

5. The double-H transmission operating assembly according to claim 1, characterized in that a self-locking mechanism (10) is arranged on the operating housing (18) opposite to the upper side surface of the gear shifting block (11), and the self-locking mechanism (10) is matched with the upper side surface of the gear shifting block (11).

6. A twin H-variator operating assembly as claimed in claim 1, characterised in that a breather plug (13) is provided on the operating housing (18), the breather plug (13) communicating with the operating housing (18) internal cavity.

7. A double H-transmission operating assembly according to claim 1, characterized in that a positioning mechanism (8) and a reverse gear lock (16) are provided on the operating housing (18), the positioning mechanism (8) and the reverse gear lock (16) being respectively engaged with the lateral shift lever (4).

8. A twin H-variator operating assembly as claimed in claim 1, characterised in that the end of the operating housing (18) is provided with an end cap (14).

9. A double H transmission, characterized in that a steering assembly according to any one of claims 1 to 8 is applied.