CN210087949U

CN210087949U - Novel rack type mechanical transmission device

Info

Publication number: CN210087949U
Application number: CN201920932778.4U
Authority: CN
Inventors: 罗霁; 邢永翔; 沙春; 徐媛媛; 周杰; 许宁萍; 冒爱琴
Original assignee: Nantong Institute of Technology
Current assignee: Nantong Institute of Technology
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-02-18
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a novel rack formula mechanical transmission device, including base plate, reset spring and slip subassembly, spacing hole has evenly been seted up in the front of base plate, and the inside arrangement in spacing hole has the tooth, reset spring installs in the bottom of tooth, the slip subassembly sets up in the bottom of base plate, and the slip subassembly comprises slider and slide rail, the connecting hole has been seted up to the one end of base plate, and the other end of base plate is fixed with the link. This novel rack formula mechanical transmission can compatible motion and fixed two kinds of modes, and the inside that sets up the base plate is in the cavity state to in order to deposit graphite powder, be favorable to in whole device course of operation, in time for rack and gear provide graphite powder and lubricate, thereby effectively weaken the noise that gear and rack during operation produced, set up and can also splice the use between the multistage rack, and connect closely, be difficult for the disjointing, connect simultaneously simply, easily operation.

Description

Novel rack type mechanical transmission device

Technical Field

The utility model relates to the technical field of mechanical device, specifically a novel rack formula mechanical transmission device.

Background

Mechanical transmission is widely applied in mechanical engineering, mainly refers to transmission for transmitting power and motion in a mechanical mode, and is divided into two types: the rack is a special gear with teeth distributed on the strip-shaped body, and the rack is also divided into a straight toothed rack and a helical toothed rack which are respectively matched with a straight toothed spur gear and a helical toothed spur gear for use.

In the existing rack transmission device on the market, a rack and a gear are difficult to fix and move in the using process, and meanwhile, when the rack and the gear are meshed with each other, a lubricant is not convenient to add, and the noise is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel rack formula mechanical transmission to solve the rack gear on the existing market who proposes in the above-mentioned background art, rack and gear are in the use, and the rack is difficult to fix and moves the use of two kinds of modes, and rack and gear are not convenient for add emollient, the great problem of noise when intermeshing simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel rack formula mechanical transmission, includes base plate, reset spring and slip subassembly, spacing hole has evenly been seted up in the front of base plate, and the inside arrangement in spacing hole has the tooth, reset spring installs in the bottom of tooth, the slip subassembly sets up in the bottom of base plate, and the slip subassembly comprises slider and slide rail, the connecting hole has been seted up to the one end of base plate, and the other end of base plate is fixed with the link.

Preferably, the structure of the base plate is a hollow structure, and the rodents are distributed along the vertical direction of the base plate at equal intervals.

Preferably, a sliding block is fixed on the lower surface of the base plate, a sliding rail is connected to the outer side of the lower end of the sliding block, and the sliding block and the sliding rail are matched with each other to form a sliding structure.

Preferably, a through hole is formed between the adjacent rodents, and the through hole penetrates through the inner part of the substrate.

Preferably, the engaging tooth is tightly attached to the limiting hole, and the engaging tooth forms an elastic structure with the substrate through the return spring.

Preferably, the outer surface of the sliding block is provided with a positioning hole, the positioning hole penetrates through the inside of the sliding block, and the inside of the positioning hole is in threaded connection with a fixing bolt.

Preferably, the inner wall of the connecting hole and the outer wall of the connecting joint are both provided with threads, and the sizes of the threads between the connecting hole and the connecting joint are matched.

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

1. the novel rack type mechanical transmission device is provided with the base plate, the graphite powder is stored in the base plate, the graphite powder is favorably provided for the racks and the gears for lubrication, the noise generated when the gears and the racks work is favorably weakened, and meanwhile, the pore distance between every two meshed teeth is equal to the size of the meshed teeth, so that the two racks can be meshed in the reverse direction, the meshed teeth of the racks are favorably protected from being damaged, and the service life of the whole device is prolonged;

2. the through hole is communicated with the inside of the substrate, so that graphite powder in the substrate can flow out through the through hole, and the rodent can stretch out and draw back in the limiting hole by utilizing the elastic action of the reset spring, thereby being beneficial to extruding the graphite powder in the substrate and accelerating the graphite powder to flow out of the through hole;

3. set up sliding assembly and realize that whole device can carry out two kinds of using-way of motion mode and fixed mode, the practicality is stronger, all has connecting hole and link on every section rack simultaneously, realizes splicing the use between the multistage rack, connects closely, is difficult for the disjointing, connects simultaneously simply easily the operation.

Drawings

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

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

FIG. 3 is a schematic diagram of the structure of the right side view of the present invention;

fig. 4 is a schematic view of the structure of the connection hole and the connection joint of the present invention.

In the figure: 1. a substrate; 2. a limiting hole; 3. a rodent; 4. a through hole; 5. a return spring; 6. a sliding assembly; 7. a slider; 8. a slide rail; 9. positioning holes; 10. fixing the bolt; 11. connecting holes; 12. and (4) connecting joints.

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 a technical solution: a novel rack type mechanical transmission device comprises a base plate 1, a limiting hole 2, a tooth 3, a through hole 4, a reset spring 5, a sliding assembly 6, a sliding block 7, a sliding rail 8, a positioning hole 9, a fixing bolt 10, a connecting hole 11 and a connecting joint 12, wherein the limiting hole 2 is uniformly formed in the front of the base plate 1, the tooth 3 is arranged in the limiting hole 2, the base plate 1 is of a hollow structure, the tooth 3 is equidistantly distributed along the vertical direction of the base plate 1, the interior of the base plate 1 is arranged in a hollow state so as to be convenient for storing graphite powder for lubricating racks and gears, the graphite powder can be timely supplied to the racks and the gears for lubrication in the working process of the whole device, meanwhile, the pore distance between every two tooth 3 is equal to the size of the tooth 3, therefore, when the whole device is not used, the two racks can be reversely meshed, the tooth 3 of the racks can be protected from being damaged, the through holes 4 are formed between the adjacent teeth 3 and penetrate through the base plate 1, and the through holes 4 are communicated with the inside of the base plate 1, so that graphite powder in the base plate 1 can flow out through the through holes 4, the purpose of lubricating the teeth 3 is achieved, and noise generated during working of the gear and the rack can be reduced;

the reset spring 5 is arranged at the bottom of the grinding tooth 3, the grinding tooth 3 is tightly attached to the limiting hole 2, the grinding tooth 3 forms an elastic structure with the base plate 1 through the reset spring 5, the reset spring 5 is arranged and connected between the grinding tooth 3 and the base plate 1, so that the grinding tooth 3 can stretch out and draw back in the limiting hole 2 by utilizing the elastic action of the reset spring 5, the extrusion of graphite powder in the base plate 1 is facilitated, the graphite powder can be accelerated to flow out from the through hole 4, the sliding assembly 6 is arranged at the bottom of the base plate 1, the sliding assembly 6 consists of a sliding block 7 and a sliding rail 8, the sliding block 7 is fixed on the lower surface of the base plate 1, the sliding rail 8 is connected to the outer side of the lower end of the sliding block 7, the sliding structure is formed by the mutual matching of the sliding block 7 and the sliding rail 8 in the sliding assembly 6 arranged at the bottom, when the gear is in a fixed state, the tooth 3 is meshed with the gear, and the substrate 1 can be pushed to slide along the direction of the sliding rail 8;

one end of the substrate 1 is provided with a connecting hole 11, the other end of the substrate 1 is fixed with a connecting joint 12, the outer surface of the sliding block 7 is provided with a positioning hole 9, the positioning hole 9 penetrates through the inside of the sliding block 7, the inner thread of the positioning hole 9 is connected with a fixing bolt 10, when the fixing bolt 10 is arranged to be connected with the positioning hole 9, the sliding block 7 and the sliding rail 8 can be fixed, so that the sliding block 7 and the sliding rail 8 cannot slide, and the fixing mode of the rack is convenient to realize, when the rack is in a fixing state, the tooth 3 is meshed with the gear, the gear can move along the rack, the inner wall of the connecting hole 11 and the outer wall of the connecting joint 12 are both provided with threads, the thread sizes between the connecting hole 11 and the connecting joint 12 are matched, the connecting hole 11 and the connecting joint 12 are arranged on each section of the rack, so, the realization is to splicing use between the multistage rack, connects closely, is difficult for the disjointing, connects simultaneously simply easily the operation.

The working principle is as follows: for the novel rack type mechanical transmission device, firstly, the fixed mode of the whole device is operated, firstly, a proper amount of graphite powder is injected into the base plate 1 from the through hole 4, the graphite powder is used as a lubricant, at the moment, the gear meshed with the rack is in a movable state, the gear is placed on the base plate 1, the gear is meshed with the mesh 3, then the gear is operated to roll along the base plate 1, meshing action is generated between the gear and the mesh 3, meanwhile, the gear generates certain extrusion to the mesh 3 in the movement process, the pressure acts on the top end of the mesh 3 to push the mesh 3 to move downwards, the mesh 3 moves downwards in the limiting hole 2 to extrude the graphite powder in the base plate 1, the graphite powder flows out from the through hole 4 to lubricate between the mesh 3 and the gear, meanwhile, the return spring 5 is extruded by the mesh 3 and is in a compressed state, the return spring 5 generates a reverse acting force, when the gear does not extrude the engaging tooth 3 any more, the return spring 5 rebounds and extends to drive the engaging tooth 3 to extend upwards from the limiting hole 2 and restore to the initial state;

then the movement mode of the whole device is operated for use, the fixing bolt 10 is firstly unscrewed, the thread action is generated between the fixing bolt 10 and the positioning hole 9, then the fixing bolt 10 is drawn out from the positioning hole 9, so that the sliding block 7 and the sliding rail 8 in the sliding assembly 6 can slide mutually, at the moment, the gear meshed with the rack is in a fixed state, the sliding rail 8 is fixed relative to the gear, then the gear is operated to rotate, the gear and the grinding tooth 3 are engaged, the gear drives the sliding block 7 at the bottom of the base plate 1 to slide along the direction of the sliding rail 8, the base plate 1 moves relative to the fixed gear and the sliding rail 8, meanwhile, the grinding tooth 3 also compresses graphite powder to flow out of the through hole 4, the gear 3 and the gear are lubricated, so that the noise generated when the gear and the gear 3 work is reduced, and the use process of the whole novel rack type mechanical transmission device is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, alterations and variations may 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 novel rack formula mechanical transmission, includes base plate (1), reset spring (5) and sliding assembly (6), its characterized in that: spacing hole (2) have evenly been seted up in the front of base plate (1), and the inside arrangement of spacing hole (2) has rodent (3), reset spring (5) are installed in the bottom of rodent (3), slip subassembly (6) set up in the bottom of base plate (1), and slip subassembly (6) comprise slider (7) and slide rail (8), connecting hole (11) have been seted up to the one end of base plate (1), and the other end of base plate (1) is fixed with link (12).

2. The novel rack-and-pinion mechanical transmission of claim 1, wherein: the structure of base plate (1) is hollow structure, and rodent (3) along the vertical direction equidistance distribution of base plate (1).

3. The novel rack-and-pinion mechanical transmission of claim 1, wherein: the lower surface of base plate (1) is fixed with slider (7), and the lower extreme outside of slider (7) is connected with slide rail (8) to mutually support between slider (7) and slide rail (8) and constitute sliding construction.

4. The novel rack-and-pinion mechanical transmission of claim 1, wherein: a through hole (4) is formed between the adjacent rodent teeth (3), and the through hole (4) penetrates through the substrate (1).

5. The novel rack-and-pinion mechanical transmission of claim 1, wherein: the engaging tooth (3) is tightly attached to the limiting hole (2), and the engaging tooth (3) forms an elastic structure with the substrate (1) through the reset spring (5).

6. The novel rack-and-pinion mechanical transmission of claim 1, wherein: the outer surface of the sliding block (7) is provided with a positioning hole (9), the positioning hole (9) penetrates through the inside of the sliding block (7), and the inner thread of the positioning hole (9) is connected with a fixing bolt (10).

7. The novel rack-and-pinion mechanical transmission of claim 1, wherein: the inner wall of the connecting hole (11) and the outer wall of the connecting joint (12) are both provided with threads, and the sizes of the threads between the connecting hole (11) and the connecting joint (12) are identical.