CN218806071U

CN218806071U - Worm steering shaft with coupler

Info

Publication number: CN218806071U
Application number: CN202223592400.5U
Authority: CN
Inventors: 王斌; 陈豪
Original assignee: Hangzhou Hongwu Automobile Parts Co ltd
Current assignee: Hangzhou Hongwu Automobile Parts Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-07
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to a car steering spindle technical field specifically is a worm steering spindle with shaft coupling, including drawing together worm main part, top block board fixed mounting is in the bottom of worm main part, the bottom of top block board is provided with the shaft coupling structure, cylindrical logical groove has been seted up to the inside of shaft coupling structure, the structural first gag lever post of installing that runs through of shaft coupling, the structural second gag lever post of installing that runs through of shaft coupling, the utility model discloses a be provided with shaft coupling structure, first gag lever post, second gag lever post, in the in-service use, the first gag lever post and the second gag lever post of crisscross installation can guarantee to carry out spacing fixedly to not unidimensional motor or member, avoid it to rock, have effectively solved the worm structure that discloses in the background art and have the shaft coupling module size to be restricted, consequently can only connect its size supporting member mechanism in order to guarantee rigid connection, the relatively poor problem of suitability.

Description

Worm steering shaft with coupler

Technical Field

The utility model relates to an auto steering axle technical field specifically is a worm steering spindle with shaft coupling.

Background

The worm steering spindle is widely applied to the field of automobile steering, thereby being connected with different link mechanisms to drive the automobile in a steering manner, for example, the worm disclosed by the patent No. CN202220123997.X is provided with a claw-shaped shaft coupling, the worm structure can extract a connecting claw disc on one side of a main rod to the outside according to the connection requirement between devices to replace a conversion block, one side of the conversion block is provided with a trapezoidal protruding structure to be clamped into a trapezoidal groove of a limiting block, one end of a motor spindle is clamped with the conversion block, so that the motor is directly used with a turbine clamp, when the worm is not used, the connecting claw disc and a metal claw disc can be clamped to connect other devices, the purposes of replacement and use according to different requirements are achieved, and the practicability of the device is improved.

However, the worm structure has the following defects: the coupling module of the worm is limited in size, so that only rod mechanisms matched with the worm in size can be used for connection in order to ensure rigid connection, and the adaptability is poor.

In view of the above, it is necessary to design a worm steering shaft with a coupling to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a worm steering spindle with shaft coupling to the coupling module size of this worm that proposes in solving above-mentioned background art is restricted, consequently can only use in its supporting member mechanism of size to connect, the relatively poor problem of suitability in order to guarantee rigid connection.

In order to achieve the above purpose, the utility model provides a following technical scheme: a worm steering shaft with a coupler comprises a worm main body, wherein a top mounting rod is fixedly mounted at the top end of the worm main body, and clamping teeth are fixedly formed in the outer surface of the worm main body;

the top clamping plate is fixedly installed at the bottom of the worm main body, a coupling structure is arranged at the bottom of the top clamping plate, a cylindrical through groove is formed in the coupling structure, a first limiting rod is installed on the coupling structure in a penetrating mode, a second limiting rod is installed on the coupling structure in a penetrating mode, the height of the second limiting rod is lower than that of the first limiting rod, the second limiting rod and the first limiting rod are installed in a staggered mode, and the second limiting rod and the first limiting rod are identical in material, size and size.

Preferably, four clamping grooves are formed in the bottom end of the top clamping plate, limiting clamping blocks are movably mounted in the clamping grooves of the top clamping plate, mounting plates are fixedly mounted at the bottom ends of the limiting clamping blocks, and second threaded rods are mounted on the limiting clamping blocks in a penetrating mode.

Preferably, at least two supporting flange plates are movably arranged at the bottom end of the mounting plate.

Preferably, all run through on the support ring flange and install first threaded rod, the quantity of first threaded rod is four, two first threaded rod is a set of, and every group the installation direction of first threaded rod is all opposite.

Preferably, the worm main body, the coupling structure, the first limiting rod and the second limiting rod are all made of carbon manganese steel, and a layer of alumina film is uniformly plated on the outer surface of the worm main body and the inner wall of the coupling structure.

Preferably, four reinforcing ribs are fixedly mounted on the outer surface of the top clamping plate, and the material of the reinforcing ribs is the same as that of the top clamping plate.

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

1. through being provided with the coupling structure, first gag lever post, the second gag lever post, can establish the motor or the member that need connect with the coupling structure cover in-service use, use first gag lever post and second gag lever post to carry on spacingly it simultaneously, and first gag lever post and the second gag lever post of crisscross installation can guarantee to carry out spacing fixed to motor or the member of not unidimensional, avoid it to rock, it has effectively been solved the worm structure that discloses among the background art and has had the coupling module size to be restricted, consequently can only use its supporting member mechanism of size to connect in order to guarantee rigid connection, the relatively poor problem of suitability.

2. By arranging the limiting clamping block and the second threaded rod, the top clamping plate and the mounting plate can be connected more tightly in actual use, and the structure is prevented from falling off in the movement process; further through being provided with a plurality of support ring flanges, because different connecting rod length is also different in the in-service use, consequently can add or reduce the support ring flange according to user and current work demand to change worm main part and shaft coupling structure's overall length.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a schematic bottom perspective view of the structure of the present invention;

FIG. 3 is a schematic front view of the structure of the present invention;

fig. 4 is a schematic top view of the structure of the present invention.

In the figure: 100. a worm body; 110. a top mounting bar; 111. a coupling structure; 112. a first limit rod; 113. a second limiting rod; 114. a top clamping plate; 115. mounting a plate; 116. a limiting clamping block; 117. supporting the flange plate; 118. a first threaded rod; 119. a second threaded rod; 120. and (5) reinforcing ribs.

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.

Referring to fig. 1-4, the present invention provides an embodiment:

a worm steering shaft with a coupling comprises a worm main body 100, all electrical appliances used in the application are products which can be directly purchased in the market, the principle and the connection mode of the worm steering shaft are the prior art well known to the technical personnel in the field, so the details are not repeated, a top mounting rod 110 is fixedly installed at the top end of the worm main body 100, and clamping teeth are fixedly arranged on the outer surface of the worm main body 100;

the connecting structure comprises a top clamping plate 114, the top clamping plate 114 is fixedly installed at the bottom end of the worm main body 100, a coupling structure 111 is arranged at the bottom end of the top clamping plate 114, a cylindrical through groove is formed in the coupling structure 111, a first limiting rod 112 penetrates through the coupling structure 111, a second limiting rod 113 penetrates through the coupling structure 111, the height of the second limiting rod 113 is lower than that of the first limiting rod 112, the second limiting rod 113 and the first limiting rod 112 are installed in a staggered mode, the material, the size and the dimension of the second limiting rod 113 and the material, the size and the dimension of the first limiting rod 112 are the same, through the arrangement of the structure, in actual use, a motor or a rod piece needing to be connected can be sleeved with the coupling structure 111, meanwhile, the first limiting rod 112 and the second limiting rod 113 are used for limiting, the first limiting rod 112 and the second limiting rod 113 which are installed in a staggered mode can guarantee that motors or rod pieces with different sizes can be limited and fixed, shaking is avoided, and the problem that the size of the coupling module disclosed in the worm structure in the background technology is limited is effectively solved, and therefore, the worm structure can only be used for rigid connection of the rod pieces, and the rod piece matching mechanism can only carry out size adaptation and the rod pieces is relatively poor in the rigid connection is achieved.

Four draw-in grooves have been seted up to the bottom of top snap-fit plate 114, and all movable mounting has spacing fixture block 116 in the draw-in groove of top snap-fit plate 114, and the bottom of spacing fixture block 116 all fixed mounting has mounting panel 115, all runs through on the spacing fixture block 116 and installs second threaded rod 119, through the setting of above-mentioned structure, can be inseparabler with being connected of top snap-fit plate 114 and mounting panel 115 in the in-service use, avoid causing the structure to drop in the motion process.

At least two supporting flange discs 117 are movably placed at the bottom end of the mounting plate 115, and through the arrangement of the structure, in the practical use, because the lengths of different connecting rods are different, the supporting flange discs 117 can be added or reduced according to the user and the current working requirement, so that the overall length of the worm main body 100 and the coupling structure 111 can be changed.

All run through on the support ring flange 117 and install first threaded rod 118, the quantity of first threaded rod 118 is four, and two first threaded rods 118 are a set of, and the installation direction of each set of first threaded rod 118 is all opposite, through the setting of above-mentioned structure, can utilize two sets of first threaded rods 118 of reverse installation to further strengthen the connection between the support ring flange 117 in the in-service use.

The worm main body 100, the coupling structure 111, the first limiting rod 112 and the second limiting rod 113 are all made of carbon manganese steel, the outer surface of the worm main body 100 and the inner wall of the coupling structure 111 are both uniformly plated with a layer of alumina film, through the arrangement of the materials, the use strength of the worm main body 100, the coupling structure 111, the first limiting rod 112 and the second limiting rod 113 can be effectively enhanced in actual use, and meanwhile, the alumina film can effectively prevent the outer surface of the workpiece from being oxidized.

Four reinforcing ribs 120 are fixedly mounted on the outer surface of the top engaging plate 114, and the material of the reinforcing ribs 120 is the same as that of the top engaging plate 114, so that the structural strength of the top engaging plate 114 can be enhanced and the deformation thereof can be avoided in actual use by the above-described arrangement.

The working principle is as follows: in practical use, firstly, two through insertion holes are formed in a rod connected with the coupling structure 111, the positions of the insertion holes are strictly aligned with the positions of the first limiting rod 112 and the second limiting rod 113, then the rod is inserted into the groove of the coupling structure 111, the first limiting rod 112 and the second limiting rod 113 are sequentially installed in a penetrating manner, then the first limiting rod 112 and the second limiting rod 113 are screwed and fixed by a screwdriver, at the moment, the rod sleeved in the coupling structure 111 can be firmly limited due to the fact that the first limiting rod 112 and the second limiting rod 113 are installed in a high-low-cross manner, and the rod with the size smaller than that of the coupling structure 111 can move in the coupling structure 111, the coupling structure 111 utilizing the structure can be adapted to rods with any diameter smaller than that of the groove of the coupling structure 111, and then the number of the support flange discs 117 is increased or reduced according to the requirements of use places to change the overall length of the worm main body 100 and the top mounting rod 110, so that the length of the top mounting rod 110 is adapted to different use situations, and the worm shaft adaptability of the steering shaft is enhanced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A worm steering shaft with a coupling, comprising:

the worm gear comprises a worm main body (100), wherein a top mounting rod (110) is fixedly mounted at the top end of the worm main body (100), and clamping teeth are fixedly formed in the outer surface of the worm main body (100);

top block board (114), top block board (114) fixed mounting is in the bottom of worm main part (100), the bottom of top block board (114) is provided with coupling structure (111), cylindrical logical groove has been seted up to the inside of coupling structure (111), run through on coupling structure (111) and install a first gag lever post (112), run through on coupling structure (111) and install a second gag lever post (113), the height that highly is less than first gag lever post (112) of second gag lever post (113), second gag lever post (113) and first gag lever post (112) crisscross installation, the material, size, the size of second gag lever post (113) and first gag lever post (112) are all the same.

2. The worm steering shaft with the coupling according to claim 1, characterized in that: four draw-in grooves have been seted up to the bottom of top block board (114), all movable mounting has spacing fixture block (116) in the draw-in groove of top block board (114), the bottom of spacing fixture block (116) all fixed mounting have mounting panel (115), all run through on spacing fixture block (116) and install second threaded rod (119).

3. The worm steering shaft with the coupling according to claim 2, characterized in that: at least two supporting flange discs (117) are movably arranged at the bottom end of the mounting plate (115).

4. The worm steering shaft with the coupling according to claim 3, characterized in that: all install first threaded rod (118) through on support flange dish (117), the quantity of first threaded rod (118) is four, two first threaded rod (118) are a set of, and every group the installation direction of first threaded rod (118) is all opposite.

5. The worm steering shaft with the coupling according to claim 1, characterized in that: the worm main body (100), the coupling structure (111), the first limiting rod (112) and the second limiting rod (113) are all made of carbon manganese steel, and a layer of alumina film is uniformly plated on the outer surface of the worm main body (100) and the inner wall of the coupling structure (111).

6. The worm steering shaft with the coupling according to claim 1, characterized in that: four reinforcing ribs (120) are fixedly mounted on the outer surface of the top clamping plate (114), and the material of the reinforcing ribs (120) is the same as that of the top clamping plate (114).