CN216665763U

CN216665763U - Accelerator mechanical control device and engineering vehicle

Info

Publication number: CN216665763U
Application number: CN202122634092.7U
Authority: CN
Inventors: 徐伟进
Original assignee: Kato Zhongjun Xiamen Construction Machinery Co ltd
Current assignee: Kato Zhongjun Xiamen Construction Machinery Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-06-03
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to a throttle mechanical control device and an engineering truck, which comprise a bracket, a throttle pull rod, a throttle flexible shaft and a hard shell, wherein the throttle pull rod is fixedly connected with the bracket; the hard shell is fixed on the bracket, and the accelerator flexible shaft can axially and movably penetrate through the hard shell; the middle part of the accelerator pull rod is hinged on the bracket, and one end of the accelerator pull rod is in transmission connection with the accelerator flexible shaft. The accelerator flexible shaft is directly connected with an accelerator pull rod in a transmission way, and when the accelerator soft shaft is used, the accelerator flexible shaft in the hard shell can be pulled by pulling the accelerator pull rod, so that the accelerator control is realized. The control is carried out without electronic control equipment such as an electronic knob, a motor and the like, and the stability is excellent by directly carrying out mechanical control. The technical scheme also has the advantages of simple structure, convenient disassembly and assembly, firmness, durability and low maintenance cost.

Description

Accelerator mechanical control device and engineering vehicle

Technical Field

The utility model relates to the technical field of engineering vehicles, in particular to an accelerator mechanical control device and an engineering vehicle.

Background

The throttle is an operating device for controlling the power (thrust) of the engine, and a throttle control system is widely applied to equipment such as automobiles and engineering vehicles and is used for controlling the oil supply amount of the engine so as to control the work of various equipment. The existing throttle control system is generally controlled electronically and is connected with a throttle flexible shaft through a motor, and a user sends an electric signal to the motor part through an electric control throttle knob to trigger a piston rod on the motor to stretch and pull the throttle flexible shaft so as to control oil feeding. However, in the electronic control device, the electronic accelerator control is affected by the working condition and the severe environment, and the electronic control device is easy to lose efficacy and cannot be used for fuel filling or causes flameout of an engine. In addition, the device has the defects of difficult maintenance, difficult troubleshooting of the electronic throttle and high maintenance cost. For some special mechanical devices, such as engineering vehicles and agricultural machines, the demand for electronization is not high, and therefore, the use of an electrically controlled throttle system for such devices is not suitable enough.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an accelerator mechanical control device and an engineering vehicle for solving the problems of poor stability and inconvenient maintenance of the existing accelerator control system.

A throttle mechanical control device comprises a bracket, a throttle pull rod, a throttle flexible shaft and a hard shell; the hard shell is fixed on the bracket, and the accelerator flexible shaft can axially and movably penetrate through the hard shell; the middle part of the accelerator pull rod is hinged on the bracket, and one end of the accelerator pull rod is in transmission connection with the accelerator flexible shaft.

Furthermore, a protruding block is arranged at the end of the accelerator flexible shaft, and a fixed groove is arranged on the accelerator pull rod; the protruding block is detachably fixed in the fixing groove.

Furthermore, the fixing groove is formed in a fixing block and comprises a longitudinal through hole matched with the shape of the protruding block and a longitudinal moving groove extending downwards from the top of the fixing block to the middle position; the longitudinal moving groove is communicated with the longitudinal through hole.

Furthermore, the convex block is a cylinder, and the end of the accelerator flexible shaft is fixedly connected with the side wall of the cylinder; the longitudinal through hole is a circular through hole matched with the cylinder in size; still be equipped with on the fixed block certainly vertically move horizontal groove of stepping down of groove department horizontal extension to fixed block both sides face, horizontal groove of stepping down also with vertical through-hole switches on mutually.

Furthermore, an inserting shaft is arranged on the convex block, an inserting hole is formed in the end of the inserting shaft, and the convex block is inserted into the inserting hole of the throttle pull rod through the inserting shaft; an inserting rod is inserted into the inserting hole of the inserting shaft so as to be fixed on the accelerator pull rod.

Furthermore, the throttle pull rod comprises a handle part and a lever part which are fixedly connected with each other; the middle part position of lever portion articulates on the support, the both ends of lever portion respectively with handle portion and throttle flexible axle fixed connection.

On the other hand, the utility model also provides a project vehicle controlled by the throttle machinery, wherein the throttle control part of the project vehicle comprises the throttle machinery control device.

In the utility model, the accelerator flexible shaft is directly connected with an accelerator pull rod in a transmission way, and the accelerator flexible shaft in the hard shell can be pulled by pulling the accelerator pull rod when in use, thereby realizing accelerator control. The control is carried out without electronic control equipment such as an electronic knob, a motor and the like, and the stability is excellent by directly controlling through machinery. The technical scheme also has the advantages of simple structure, convenient disassembly and assembly, firmness, durability and low maintenance cost.

Drawings

FIG. 1 is a general schematic view of an embodiment of the throttle mechanical control apparatus of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an exploded view of one embodiment of the oil door mechanical control apparatus shown in FIG. 1;

FIG. 4 is a schematic view of a throttle hose structure of an embodiment of the throttle mechanical control device of the present invention;

FIG. 5 is a schematic view of a fixed block structure of an embodiment of the throttle mechanical control device of the present invention;

fig. 6 is a schematic structural diagram of a lever portion of an embodiment of the mechanical throttle control device of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a throttle lever; 11. a handle portion; 12. a lever portion; 13. a fixed block; 131. a longitudinal through hole; 132. Longitudinally moving the groove; 133. a transverse abdicating groove; 134. inserting a shaft; 135. inserting a rod; 2. a support; 3. a flexible shaft of the accelerator; 31. a raised block; 4. a hard outer shell.

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is understood that the specific details described below are merely exemplary of some embodiments of the utility model, and that the utility model may be practiced in many other embodiments than as described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "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 in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

In an embodiment, please refer to fig. 1, fig. 2 and fig. 3, a mechanical throttle control device includes a bracket 2, a throttle pull rod 1, a throttle flexible shaft 3 and a hard shell 4; the hard shell 4 is fixed on the bracket 2, and the accelerator flexible shaft 3 can axially and movably penetrate through the hard shell 4; the middle part of the accelerator pull rod 1 is hinged on the bracket 2, and one end of the accelerator pull rod is connected with the accelerator flexible shaft 3 in a transmission way. The hard shell 4 is made of hard materials, the accelerator flexible shaft 3 in the hard shell can be bent and is connected with the accelerator pull rod 1 and a component for controlling oil supply of the accelerator, and oil supply is controlled through the accelerator pull rod 1.

In the utility model, the accelerator flexible shaft 3 is directly connected with an accelerator pull rod 1 in a transmission way, and the accelerator flexible shaft 3 in the hard shell 4 can be pulled by pulling the accelerator pull rod 1 when in use, thereby realizing accelerator control. The control is carried out without electronic control equipment such as an electronic knob, a motor and the like, and the stability is excellent by directly controlling through machinery. The technical scheme also has the advantages of simple structure, convenient disassembly and assembly, firmness, durability and low maintenance cost.

Referring to fig. 4 and 5, on the basis of this embodiment, a protruding block 31 is disposed at the end of the accelerator flexible shaft 3, and a fixing groove is disposed on the accelerator pull rod 1; the projection 31 is detachably fixed in the fixing groove.

It can be understood that the accelerator flexible shaft 3 is fixed in the fixing groove through the protruding block 31, so as to realize the transmission connection with the accelerator pull rod 1, and of course, the accelerator flexible shaft may also be in other transmission connection forms, such as being welded and fixed together, being fixed together through a buckle, and the like.

In the embodiment, specifically, the fixing groove is opened on a fixing block 13, and the fixing groove comprises a longitudinal through hole 131 matched with the shape of the convex block 31, and a longitudinal moving groove 132 extending downwards from the top of the fixing block 13 to the middle position; the longitudinal moving groove 132 is in communication with the longitudinal through hole 131.

It can be understood that, when the throttle flexible shaft 3 is disassembled and assembled, the protruding block 31 slides into the fixed block 13 along the longitudinal through hole 131, and the width of the longitudinal moving groove 132 is between the diameter of the throttle hose and the width of the protruding block 31, so that the throttle hose can move in the longitudinal moving groove 132, and the protruding block 31 cannot slide out of the longitudinal through hole 131 through the longitudinal moving groove 132.

On the basis of the above embodiment, further, the bump 31 is a cylinder, and the end of the accelerator flexible shaft 3 is fixedly connected with the side wall of the cylinder; the longitudinal through hole 131 is a circular through hole matched with the size of the cylinder; the fixed block 13 is further provided with a transverse receding groove 133 which transversely extends from the longitudinal moving groove 132 to two side surfaces of the fixed block 13, and the transverse receding groove 133 is also communicated with the longitudinal through hole 131.

It can be understood that the cylinder can rotate in the circular through hole, and at the moment, the accelerator hose rotates and then moves into the transverse abdicating groove 133, so as to pull the accelerator flexible shaft 3 in the hard shell 4.

Specifically, the protruding block 31 is provided with an insertion shaft 134, the end of the insertion shaft 134 is provided with an insertion hole, and the protruding block 31 is inserted into the insertion hole of the throttle lever 1 through the insertion shaft 134; an insert rod 135 is inserted into the insert hole of the insert shaft 134 to fix the insert rod to the throttle lever 1.

The convex block 31 is detachably fixed on the accelerator pull rod 1 in a bolt mode, so that the connection is firm, and the disassembly is convenient. It may of course be fixedly connected by other means, such as a snap connection or the like.

Referring to fig. 6, the throttle lever 1 further includes a handle portion 11 and a lever portion 12 fixedly connected to each other; the middle part position of lever portion 12 articulates on support 2, and the both ends of lever portion 12 respectively with handle portion 11 and throttle flexible axle 3 fixed connection.

It should be noted that, in the present embodiment, the distance from the handle portion 11 to the hinge is greater than the distance from the throttle hose to the hinge; the lever part 12 forms a labor-saving lever by taking the hinged part as a fulcrum, so that the accelerator flexible shaft 3 can be pulled by using smaller force.

On the other hand, the utility model also provides a mechanical accelerator controlled engineering truck, wherein the accelerator control part of the mechanical accelerator controlled engineering truck comprises the mechanical accelerator control device.

Of course, it may be used in throttle control systems of other engines such as agricultural machines, and is not illustrated here.

The scheme realizes the accelerator control in a purely mechanical mode. The control is carried out without electronic control equipment such as an electronic knob, a motor and the like, and the stability is excellent by directly controlling through machinery. The technical scheme also has the advantages of simple structure, convenient disassembly and assembly, firmness, durability and low maintenance cost.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes, substitutions and alterations can be made without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. A throttle mechanical control device, comprising: the accelerator comprises a bracket, an accelerator pull rod, an accelerator flexible shaft and a hard shell; the hard shell is fixed on the bracket, and the accelerator flexible shaft can axially and movably penetrate through the hard shell; the middle part of the accelerator pull rod is hinged on the bracket, and one end of the accelerator pull rod is in transmission connection with the accelerator flexible shaft.

2. The mechanical throttle control device as claimed in claim 1, wherein a protruding block is provided at the end of the throttle flexible shaft, and a fixing groove is provided on the throttle lever; the protruding blocks are detachably fixed in the fixing grooves.

3. The mechanical throttle control device as claimed in claim 2, wherein the fixing groove is formed on a fixing block, and the fixing groove comprises a longitudinal through hole matched with the shape of the protruding block and a longitudinal moving groove extending downwards from the top of the fixing block to a middle position; the longitudinal moving groove is communicated with the longitudinal through hole.

4. The mechanical throttle control device as claimed in claim 3, wherein the bump is a cylinder, and the end of the throttle flexible shaft is fixedly connected to the side wall of the cylinder; the longitudinal through hole is a circular through hole matched with the cylinder in size; still be equipped with on the fixed block certainly vertically move horizontal groove of stepping down of groove department horizontal extension to fixed block both sides face, horizontal groove of stepping down also with vertical through-hole switches on mutually.

5. The mechanical throttle control device as claimed in claim 3, wherein the protruding block is provided with an insertion shaft, the end of the insertion shaft is provided with a plug hole, and the protruding block is inserted into the through hole of the throttle lever through the insertion shaft; an inserting rod is inserted into the inserting hole of the inserting shaft so as to be fixed on the accelerator pull rod.

6. The throttle mechanical control device of claim 1, wherein the throttle lever includes a handle portion and a lever portion fixedly connected to each other; the middle part position of lever portion articulates on the support, the both ends of lever portion respectively with handle portion and throttle flexible axle fixed connection.

7. A throttle machine controlled work vehicle characterized in that a throttle control section thereof comprises the throttle machine control apparatus as claimed in any one of claims 1 to 6.