CN217475800U

CN217475800U - Left-right-handed double-headed worm with long service life

Info

Publication number: CN217475800U
Application number: CN202221303701.9U
Authority: CN
Inventors: 鲍文凯; 卢梅智
Original assignee: Ruian Dingfeng Metallurgical Equipment Co ltd
Current assignee: Ruian Dingfeng Metallurgical Equipment Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-23
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a practical long-lived control revolves double-end worm, including the mobile jib, the internally mounted of mobile jib has to support tight device. This practical life is long revolves double-ended worm about, through the mobile jib, the dog, mutually support between horizontal pole and the spring isotructure, install in mobile jib department after the worm, the dog passes through the elasticity performance of spring can support the worm tightly, thereby just improved the stability of worm in mobile jib department, through the worm, the bolt, first disc, mutually support between gasket and the second disc isotructure, when the screw hole of worm is aligned with the screw hole of mobile jib, can fix the worm in mobile jib department through bolt and second disc, thereby made things convenient for and installed the worm.

Description

Left-right-handed double-headed worm with long service life

Technical Field

The utility model relates to a worm technical field specifically is a practical long-life controls and revolves double-end worm.

Background

The worm is a gear which is provided with one or more spiral teeth and is meshed with a worm wheel to form a staggered shaft gear pair, the indexing curved surface of the worm can be a cylindrical surface, a conical surface or a circular surface, the worm transmission is composed of the worm and the worm wheel and is used for transmitting motion and power between staggered shafts, the staggered angle of the two shafts is 90 degrees usually, the left-right-handed double-headed worm is one of the worms, and the left-right-handed double-headed worm in the prior art is low in stability and easy to wear after being connected with a main rod, so that the service life is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a practical long-life revolves double-ended worm about to solve and propose among the above-mentioned background art and revolve double-ended worm about among the prior art and be connected the back stability ratio lower with the mobile jib, take place wearing and tearing easily, just so reduced life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a left-right-handed double-ended worm with long service life comprises a main rod, wherein a resisting device is arranged inside the main rod;

the abutting device comprises a stop block, a cross rod and a spring;

the outer wall of dog and the through-hole department inner wall clearance fit of mobile jib, the right side welding of dog has the horizontal pole, and the outer wall of horizontal pole and the circular slot department inner wall clearance fit of mobile jib, the spring is installed to the outer wall of horizontal pole, and the both ends outer wall of spring laminate with dog and mobile jib respectively mutually.

Preferably, the left side of the stop block is provided with a connecting device;

the connecting device comprises a worm, forward spiral teeth and reverse spiral teeth;

the right side outer wall of the worm is tightly attached to the outer wall of the stop block, the outer wall of the worm is in clearance fit with the inner wall of the through hole of the main rod, and the left side and the middle outer wall of the worm are respectively provided with forward spiral teeth and reverse spiral teeth.

Preferably, the forward helical teeth and the reverse helical teeth are of symmetrical design.

Preferably, the outer wall of the worm is provided with a fixing device;

the fixing device comprises a first disc, a gasket and a second disc;

the inner part of the first disc is fixedly connected with the outer wall of the worm, a gasket is tightly attached between the first disc and the main rod, the inner wall of the through hole of the gasket is in clearance fit with the outer wall of the worm, a plurality of second discs are arranged on the right side of the first disc, and the inner parts of the second discs are fixedly connected with the outer wall of the main rod.

Preferably, the groove of the second disc is connected with the worm through a bolt in a threaded manner, and the outer wall of the bolt is in clearance fit with the inner wall of the bolt hole of the main rod, so that the worm can be fixed through the second disc, the bolt and the like.

Compared with the prior art, the beneficial effects of the utility model are that: according to the left-right-handed double-ended worm with long practical service life, the main rod, the stop block, the cross rod, the spring and other structures are matched with each other, and when the worm is installed at the main rod, the stop block can tightly support the worm through the elastic performance of the spring, so that the stability of the worm at the main rod is improved;

through mutual matching of the structures such as the worm, the bolt, the first disc, the gasket and the second disc, when the threaded hole of the worm is aligned with the threaded hole of the main rod, the worm can be fixed at the main rod through the bolt and the second disc, and therefore the worm can be conveniently installed.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the cross bar, the stop and the spring of FIG. 2;

fig. 4 is a schematic structural view of the first disk, the bolt and the worm in fig. 2.

In the figure: 1. the device comprises a main rod, 2, a bolt, 3, a butting device, 301, a stop block, 302, a cross rod, 303, a spring, 4, a connecting device, 401, a worm, 402, a forward spiral tooth, 403, a reverse spiral tooth, 5, a fixing device, 501, a first disc, 502, a gasket, 503 and a second disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 a technical solution: the utility model provides a double-end worm revolves about utility life is long, including mobile jib 1, the left side of mobile jib 1 and inside processing respectively have through-hole and 8 screw holes, and the right-hand member processing of through-hole has the circular recess, the internally mounted of mobile jib 1 has supports tight device 3, it includes dog 301 to support tight device 3, horizontal pole 302 and spring 303, the outer wall of dog 301 and the through-hole department inner wall clearance fit of mobile jib 1, the right side welding of dog 301 has horizontal pole 302, can drive horizontal pole 302 through dog 301 and remove, and the outer wall of horizontal pole 302 and the circular recess department inner wall clearance fit of mobile jib 1, spring 303 is installed to the outer wall of horizontal pole 302, and the both ends outer wall of spring 303 laminates with dog 301 and mobile jib 1 respectively, spring 303 can take place elastic deformation when dog 301 removes to the right side.

Connecting device 4 is installed in the left side of dog 301, connecting device 4 includes worm 401, forward spiral tooth 402 and reverse spiral tooth 403, worm 401's right side outer wall closely laminates with dog 301's outer wall, worm 401's outer wall and the through-hole department inner wall clearance fit of mobile jib 1, worm 401's right side outer wall processing has 8 screw holes, can drive dog 301 through worm 401 and remove, worm 401's left side and middle outer wall are processed forward spiral tooth 402 and reverse spiral tooth 403 respectively, forward spiral tooth 402 and reverse spiral tooth 403 are the symmetrical design.

Fixing device 5 is installed to the outer wall of worm 401, fixing device 5 includes first disc 501, gasket 502 and second disc 503, the inside of first disc 501 links to each other with the outer wall of worm 401 is fixed, it has gasket 502 to closely laminate between first disc 501 and the mobile jib 1, and the through-hole department inner wall of gasket 502 and the outer wall clearance fit of worm 401, can improve fixed effect through gasket 502, the right side of first disc 501 is equipped with 2 second discs 503, the outer wall processing of second disc 503 has 4 recesses, and the inside of second disc 503 and the outer wall looks rigid coupling of mobile jib 1, the groove of second disc 503 passes through bolt 2 and links to each other with worm 401 screw thread, and the outer wall of bolt 2 and the bolt hole department inner wall clearance fit of mobile jib 1.

In this embodiment, when an operator needs to use a left-handed and right-handed double-headed worm with a long practical life, the operator firstly processes a forward spiral tooth 402 and a reverse spiral tooth 403 on the left side and the middle outer wall of the worm 401 respectively, so as to improve the use effect of the worm 401, when the worm 401 needs to be connected with the main rod 1, the gasket 502 can be installed on the worm 401, then the worm 401 is driven to move to the through hole of the main rod 1, the stop block 301 is driven by the worm 401 to move to the right side, so that the stop block 301 drives the cross rod 302 to move, meanwhile, the stop block 302 can extrude the spring 303 by matching with the main rod, so that the spring 303 generates elastic deformation, when the threaded hole on the worm 401 is aligned with the threaded hole on the main rod 1, the position of the worm 401 can be fixed by the bolt 2, and meanwhile, the stop block 301 can tightly abut against the worm 401 through the elastic performance of the spring 303, so as to improve the stability of the worm 401 at the main rod 1, the friction between the worm 401 and the main rod 1 due to loosening is prevented, and the service life of the worm 401 is further prolonged.

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

1. The utility model provides a long service life's left-right turn double-end worm, includes mobile jib (1), its characterized in that: a propping device (3) is arranged in the main rod (1);

the abutting device (3) comprises a stop block (301), a cross rod (302) and a spring (303);

the outer wall of dog (301) and the through-hole department inner wall clearance fit of mobile jib (1), the right side welding of dog (301) has horizontal pole (302), and the outer wall of horizontal pole (302) and the circular recess department inner wall clearance fit of mobile jib (1), spring (303) are installed to the outer wall of horizontal pole (302), and the both ends outer wall of spring (303) laminate with dog (301) and mobile jib (1) respectively mutually.

2. A right-left-hand double-ended worm with long useful life according to claim 1, characterized in that: a connecting device (4) is arranged on the left side of the stop block (301);

the connecting device (4) comprises a worm (401), a forward spiral tooth (402) and a reverse spiral tooth (403);

the right side outer wall of worm (401) closely laminates with the outer wall of dog (301), the outer wall of worm (401) and the through-hole department inner wall clearance fit of mobile jib (1), the left side of worm (401) and middle outer wall are processed forward helical tooth (402) and reverse helical tooth (403) respectively.

3. A right-left-hand double-ended worm with long useful life according to claim 2, characterized in that: the forward helical teeth (402) and the reverse helical teeth (403) are symmetrically designed.

4. A right-left-hand double-ended worm with long useful life according to claim 2, characterized in that: a fixing device (5) is arranged on the outer wall of the worm (401);

the fixing device (5) comprises a first disc (501), a spacer (502) and a second disc (503);

the inside of first disc (501) links to each other with the outer wall of worm (401) is fixed, it has gasket (502) to closely laminate between first disc (501) and mobile jib (1), and the through-hole department inner wall of gasket (502) and the outer wall clearance fit of worm (401), the right side of first disc (501) is equipped with a plurality of second discs (503), and the inside of second disc (503) and the outer wall looks rigid coupling of mobile jib (1).

5. The right-left-handed double-ended worm with long service life according to claim 4, wherein: the groove of the second disc (503) is in threaded connection with the worm (401) through a bolt (2), and the outer wall of the bolt (2) is in clearance fit with the inner wall of the bolt hole of the main rod (1).