CN215567679U

CN215567679U - Straight stroke actuating mechanism

Info

Publication number: CN215567679U
Application number: CN202121682945.8U
Authority: CN
Inventors: 李耀坤; 秦铮铮
Original assignee: Zhejiang Sinpous Measurement And Control Technology Co ltd
Current assignee: Zhejiang Sinpous Measurement And Control Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-18
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a straight stroke execution mechanism which comprises a box body, wherein an installation cavity is arranged in the box body, a worm wheel and a worm are arranged in the installation cavity, the worm wheel and the worm are mutually meshed, a heat conduction layer is arranged in the installation cavity, the heat conduction layer is fixed on the inner wall of the box body, the straight stroke execution mechanism also comprises a first heat dissipation hole and a second heat dissipation hole, the first heat dissipation hole and the second heat dissipation hole are communicated with the installation cavity, the first heat dissipation hole is distributed on the side wall of the box body at intervals, the second heat dissipation hole is distributed on the top wall of the box body at intervals, a dust guard plate is arranged on the side wall of the box body, one end of the dust guard plate is positioned above the first heat dissipation hole, the other end of the dust guard plate extends towards the first heat dissipation hole and covers the first heat dissipation hole, and the height of the dust guard plate is sequentially reduced along the direction towards the first heat dissipation hole to form an inclined dust guard side wall. The utility model has the following advantages and effects: the heat dispersion that can improve the box prevents that the heat from piling up in the box is inside, leads to the normal operating to the worm-gear case to produce the influence.

Description

Straight stroke actuating mechanism

Technical Field

The utility model relates to the field of worm gear cases, in particular to a straight stroke execution mechanism.

Background

The worm gear box is also called as a worm gear reduction box or a worm gear reduction box. The worm gear box mainly comprises an actuating mechanism and a case, wherein the actuating mechanism is generally a worm gear, a worm or a gear, a shaft and a bearing, and the actuating mechanism is supported by the case, so that the case has enough rigidity to prevent the case from deforming after being loaded so as to reduce the transmission quality. The worm gear reduction box has the characteristics of durability, large transmission ratio, small volume, strong self-locking capability, simple structure, easy manufacture and the like, so the worm gear reduction box is widely applied, but the transmission efficiency is lower.

However, when the existing worm gear box runs, an execution mechanism in the worm gear box can generate a large amount of heat, and the heat is difficult to dissipate in the machine box, so that the running of the worm gear box can be greatly influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a linear actuator that solves the problems set forth in the background of the utility model.

The technical purpose of the utility model is realized by the following technical scheme: a straight stroke execution mechanism comprises a box body, wherein an installation cavity is arranged in the box body, a worm wheel and a worm are arranged in the installation cavity, and the worm wheel and the worm are meshed with each other; the method is characterized in that:

a heat conduction layer is arranged in the mounting cavity, the heat conduction layer is fixed on the inner wall of the box body, and the shape of the heat conduction layer is matched with that of the inner wall of the box body;

still include first louvre and second louvre, first louvre with the second louvre all with installation cavity UNICOM, first louvre be a plurality of and interval distribution in the lateral wall of box, the second louvre be a plurality of and interval distribution in the roof of box, be equipped with the dust guard on the lateral wall of box, dust guard one end is located the top of first louvre, the other end orientation first louvre extends and will first louvre covers, the dust guard is along the orientation the dustproof lateral wall of slope is highly reduced in proper order and forms to the direction of first louvre.

The further setting is that: the detachable dustproof sleeve is arranged in the second radiating hole and matched with the second radiating hole in shape, and a filter screen is arranged in the dustproof sleeve and provided with a plurality of filtering holes.

The further setting is that: the dustproof sleeve is provided with a limiting ring at one end far away from the second heat dissipation hole, the limiting sleeve is fixed at the periphery of the dustproof sleeve, and when the dustproof sleeve is assembled on the second heat dissipation hole, the bottom of the limiting ring is abutted against the top wall of the box body to form limiting fit between the dustproof sleeve and the box body.

The further setting is that: the dustproof cover is located to be close to the one end of second louvre is equipped with the sealing washer, the sealing washer suit is fixed in the periphery of dustproof cover, the sealing washer is the elasticity material, the top of box is equipped with the sunken seal groove that forms, the seal groove with seal ring shape looks adaptation, works as the dustproof cover assemble in when the second louvre, the sealing washer butt in constitute sealed cooperation between them in the seal groove.

The further setting is that: the heat conducting layer is made of copper.

The further setting is that: the inner wall of the box body is respectively provided with a worm gear groove and a worm groove which are formed in a sunken mode, the worm gear groove is matched with the worm gear in shape, and the worm groove is matched with the worm in shape.

The further setting is that: the box body is characterized by further comprising a base, and the base is fixed to the bottom of the box body.

The utility model has the beneficial effects that:

1. owing to set up first louvre, second louvre and heat-conducting layer, this first louvre and second louvre all with the installation cavity UNICOM, the heat that produces in the installation cavity can be derived from the installation cavity through first louvre and second louvre respectively when worm wheel and worm during operation, and the heat conductivility through the heat-conducting layer can be faster lead to first louvre and second louvre respectively with the heat, and derive by first louvre and second louvre respectively, so, the effectual technical problem that current worm-gear case heat is difficult to derive in the box when the operation, and then can improve the radiating effect of box, prevent to cause the influence to the normal operating of worm wheel and worm.

2. Because the dust guard board extending towards the first heat dissipation hole is arranged above the first heat dissipation hole, the height of the dust guard board is sequentially reduced along the direction towards the first heat dissipation hole and forms an inclined dust guard side wall, so that external dust can be blocked by the dust guard side wall, thereby preventing the dust from entering the installation cavity through the first heat dissipation hole, and a detachable dust guard sleeve is arranged in the second heat dissipation hole, a filter screen is arranged in the dust guard sleeve, the external dust can be filtered through the filter screen, thereby preventing the dust from entering the installation cavity through the second heat dissipation hole, therefore, the technical problem that the external dust enters the installation cavity through the first heat dissipation hole or the second heat dissipation hole is effectively solved through the matching of the dust guard board and the dust guard sleeve, further, the heat dissipation effect of the first heat dissipation hole and the second heat dissipation hole can be improved, and meanwhile, the entering of the dust can be reduced, and affects the normal operation of the worm wheel and worm.

3. Because the periphery at the dirt proof boot has set up the spacing ring, after the second louvre is packed into to the dirt proof boot, the spacing cooperation between the two can the butt in the roof constitution of box in the bottom of spacing ring, and this spacing ring has certain thickness, when needs take out the dirt proof boot from the second louvre in to clear up the filter screen, and this spacing ring outer wall can be convenient for carry out the application of force when taking out as the application of force part, so, the effectual technical problem who has solved inconvenient taking out after the second louvre is packed into to the dirt proof boot.

4. Because the periphery at the dirt proof boot has set up the sealing washer, this sealing washer is the elasticity material, the top of box is equipped with the seal groove of sunken formation, the shape looks adaptation of this seal groove and sealing washer, when the second louvre is packed into to the dirt proof boot, the sealing washer can be by the extrusion production deformation, after pushing the sealing washer into the seal groove, the sealing washer shape resumes and constitutes sealed cooperation with the mutual extrusion of seal groove, thereby can further make the dirt proof boot pack into behind the second louvre more stable, and can prevent that external dust from entering into the installation cavity from the junction of dirt proof boot and second louvre.

5. Because the inner wall of the box body is respectively provided with the worm wheel groove matched with the shape of the worm wheel and the worm groove matched with the shape of the worm, the worm wheel and the worm are more stable when being arranged in the installation cavity.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the embodiment;

FIG. 2 is a schematic view of the internal structure of the embodiment;

FIG. 3 is an enlarged partial view of the embodiment at A;

fig. 4 is a schematic top view of the dust boot in the embodiment.

In the figure: 1. a box body; 2. a mounting cavity; 3. a worm gear; 4. a worm; 5. a heat conductive layer; 6. a first heat dissipation hole; 7. a second heat dissipation hole; 8. a dust-proof plate; 81. a dust-proof side wall; 9. a dust-proof sleeve; 10. filtering with a screen; 11. a limiting ring; 12. a seal ring; 13. a base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in the attached drawings 1 to 4, the straight stroke execution mechanism comprises a box body 1, wherein a mounting cavity 2 is arranged in the box body 1, a worm wheel 3 and a worm 4 are arranged in the mounting cavity 2, and the worm wheel 3 and the worm 4 are meshed with each other;

a heat conduction layer 5 is arranged in the mounting cavity 2, the heat conduction layer 5 is fixed on the inner wall of the box body 1, and the shape of the heat conduction layer 5 is matched with that of the inner wall of the box body 1;

still include first louvre 6 and second louvre 7, first louvre 6 and second louvre 7 all with installation cavity 2 UNICOM, first louvre 6 is a plurality of and interval distribution in the lateral wall of box 1, second louvre 7 is a plurality of and interval distribution in the roof of box 1, be equipped with dust guard 8 on the lateral wall of box 1, dust guard 8 one end is located the top of first louvre 6, the other end extends and covers first louvre 6 towards first louvre 6, dust guard 8 highly reduces in proper order and forms the dustproof lateral wall 81 of slope along the direction towards first louvre 6.

Be equipped with detachable dirt proof boot 9 in the second louvre 7, the shape looks adaptation of dirt proof boot 9 and second louvre 7 is equipped with filter screen 10 in the dirt proof boot 9, and filter screen 10 is equipped with a plurality of filtration pores.

The dust cover 9 is located the one end of keeping away from second louvre 7 and is equipped with spacing ring 11, and spacing suit is fixed in the periphery of dust cover 9, and when the dust cover 9 assembled in second louvre 7, spacing cooperation between the top wall constitution of box 1 was supported in the bottom butt of spacing ring 11.

The one end that the dirt proof boot 9 is located and is close to second louvre 7 is equipped with sealing washer 12, and the periphery that the sealing washer 12 suit was fixed in dirt proof boot 9, and sealing washer 12 is the elasticity material, and the top of box 1 is equipped with the sunken seal groove that forms, seal groove and the adaptation of sealing washer 12 shape, and when dirt proof boot 9 assembled in second louvre 7, sealing washer 12 butt constitutes sealed cooperation between them in the seal groove.

The heat conducting layer 5 is made of copper.

The inner wall of the box body 1 is respectively provided with a worm wheel 3-shaped groove and a worm 4-shaped groove which are formed by sinking, the worm wheel 3-shaped groove is matched with the worm wheel 3 in shape, and the worm 4-shaped groove is matched with the worm 4 in shape.

The box body is characterized by further comprising a base 13, wherein the base 13 is fixed at the bottom of the box body 1.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A straight stroke execution mechanism comprises a box body (1), wherein a mounting cavity (2) is arranged in the box body (1), a worm wheel (3) and a worm (4) are arranged in the mounting cavity (2), and the worm wheel (3) and the worm (4) are meshed with each other; the method is characterized in that:

a heat conduction layer (5) is arranged in the mounting cavity (2), the heat conduction layer (5) is fixed on the inner wall of the box body (1), and the heat conduction layer (5) is matched with the shape of the inner wall of the box body (1);

still include first louvre (6) and second louvre (7), first louvre (6) with second louvre (7) all with installation cavity (2) UNICOM, first louvre (6) be a plurality of and interval distribution in the lateral wall of box (1), second louvre (7) be a plurality of and interval distribution in the roof of box (1), be equipped with dust guard (8) on the lateral wall of box (1), dust guard (8) one end is located the top of first louvre (6), the other end orientation first louvre (6) extend and will first louvre (6) cover, dust guard (8) are along the orientation the dustproof lateral wall (81) of slope is highly reduced in proper order and form in the direction of first louvre (6).

2. A linear actuator according to claim 1, wherein: be equipped with detachable dirt proof boot (9) in second louvre (7), dirt proof boot (9) with the shape looks adaptation of second louvre (7), be equipped with filter screen (10) in dirt proof boot (9), filter screen (10) are equipped with a plurality of filtration pores.

3. A linear actuator according to claim 2, wherein: the dustproof sleeve (9) is located and is kept away from one end of the second heat dissipation hole (7) and is provided with a limiting ring (11), the limiting ring (11) is fixed on the periphery of the dustproof sleeve (9), and when the dustproof sleeve (9) is assembled on the second heat dissipation hole (7), the bottom of the limiting ring (11) is abutted to the top wall of the box body (1) to form limiting fit between the top wall and the top wall.

4. A linear actuator according to claim 3, wherein: the dustproof sleeve (9) is located and is close to one end of the second heat dissipation hole (7) is provided with a sealing ring (12), the sealing ring (12) is sleeved and fixed on the periphery of the dustproof sleeve (9), the sealing ring (12) is made of elastic materials, the top of the box body (1) is provided with a sealing groove formed in a concave mode, the sealing groove is matched with the sealing ring (12) in a shape, and the sealing ring (12) is abutted to the sealing groove to form sealing fit between the sealing groove and the sealing groove.

5. A linear actuator according to claim 1, wherein: the heat conduction layer (5) is made of copper.

6. A linear actuator according to claim 1, wherein: the box is characterized in that a worm wheel (3) groove and a worm (4) groove which are formed in a sunken mode are formed in the inner wall of the box body (1) respectively, the worm wheel (3) groove is matched with the worm wheel (3) in shape, and the worm (4) groove is matched with the worm (4) in shape.

7. A linear actuator according to claim 1, wherein: the box body is characterized by further comprising a base (13), wherein the base (13) is fixed at the bottom of the box body (1).