CN210508796U

CN210508796U - Entrance guard decelerator

Info

Publication number: CN210508796U
Application number: CN201920830967.0U
Authority: CN
Inventors: 吴丹
Original assignee: Chongqing Danamico New Energy Technology Co Ltd
Current assignee: Chongqing Danamico New Energy Technology Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-05-12
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses an entrance guard's reduction gear, including reduction gears and door installation axle, reduction gears includes the casing and rotationally installs the output shaft in the casing, door installation axle inserts through shaft coupling and output shaft behind the casing, the shaft coupling includes elastic buffer block and two connection pads, elastic buffer block includes the buffer block base member and follows the cubic arch of circumference distribution on the buffer block base member outer wall, be formed with the first installation breach and the second installation breach of arranging in turn between each cubic arch, two connection pads are respectively solid cover on door installation axle and output shaft, all be provided with the lug that is the annular and distribute in the connection pad is close to one side quotation of elastic buffer block, the lug of one of them connection pad inserts respectively in the first installation breach that corresponds, the lug of another connection pad inserts respectively in the second installation breach that corresponds. By adopting the structure, the motor is stable and reliable, has long service life, can adopt a motor with smaller power, and reduces the production cost.

Description

Entrance guard decelerator

Technical Field

The utility model belongs to the technical field of transmission system, concretely relates to entrance guard's reduction gear.

Background

The access control system is also called an access management control system, and is an intelligent management system for managing the access of personnel. Because the quality of door is heavier, appears easily after long-term the use or light or heavy biasing problem, leads to the axis of door installation axle no longer to coincide with the axis of reduction gear output shaft thereupon, has accelerated the wearing and tearing of internals, causes entrance guard's reduction gear unsatisfactory all the time. Therefore, the existing access control reducer adopts a solution method of enhancing the connection rigidity of the door mounting shaft and the output shaft, and even integrally forming the door mounting shaft and the output shaft into a shaft to avoid the door from generating the offset problem. However, the door has a quality much higher than that of the door control reducer, so that the door still has a bias problem after being used for a long time, and the door control reducer is still easy to damage and still cannot achieve the expected effect of people. It is urgent to solve the above problems.

SUMMERY OF THE UTILITY MODEL

For solving entrance guard's reduction gear fragile, the short technical problem of life, the utility model provides an entrance guard's reduction gear.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

an access control speed reducer comprises a speed reducing mechanism and a door mounting shaft, wherein the speed reducing mechanism comprises a shell and an output shaft which is rotatably arranged in the shell, the door mounting shaft is inserted into the shell and then is connected with the output shaft through a coupler, the coupler comprises an elastic buffer block and two connecting discs which are respectively arranged at two sides of the elastic buffer block, the elastic buffer block comprises a buffer block base body and block-shaped bulges distributed on the outer wall of the buffer block base body along the circumferential direction, first mounting notches and second mounting notches which are alternately arranged are formed among the block-shaped bulges, the two connecting discs are fixedly sleeved on the door mounting shaft and the output shaft respectively, the disk surface of one side of the connecting disk, which is close to the elastic buffer block, is provided with a plurality of annularly distributed convex blocks, the convex blocks of one connecting disc are respectively inserted into the corresponding first mounting notches, and the convex blocks of the other connecting disc are respectively inserted into the corresponding second mounting notches.

Structure more than adopting, door installation axle and output shaft respectively link to each other with a different connection pad, be provided with the elastic buffer piece between two connection pads, when one of them connection pad takes place the beat under the drive of door installation axle, the elastic buffer piece can be compressed, make the gesture of another connection pad and output shaft remain unchanged, thereby can not change the relation of connection and the cooperation relation between other drive disk assembly in the entrance guard reduction gear, thereby the life of entrance guard reduction gear has been improved by a wide margin, can effectively reduce the load of motor simultaneously, adopt the lower motor of power to drive, access control system's manufacturing cost has been reduced.

Preferably, the method comprises the following steps: an input shaft parallel to the output shaft is arranged in the shell, an input gear is fixedly sleeved on the input shaft, and an output gear meshed with the input gear is fixedly sleeved on the output shaft. By adopting the structure, the structure is simple, stable and reliable, and the effects of reducing speed, reducing speed and increasing torque are realized.

Preferably, the method comprises the following steps: the input shaft is connected with a planetary speed reducing mechanism. By adopting the structure, the structure is simple, stable and reliable, the entrance guard speed reducer has two-stage speed reduction, and the effects of speed reduction, speed reduction and torque increase are further improved.

Preferably, the method comprises the following steps: the casing includes base plate, inner cup and outer end cover, the inner cup lock is on the base plate to enclose with the base plate and form first installation cavity, the shaft coupling is installed in first installation cavity, outer end cover lock is covered including, and encloses with interior lock and form the second installation cavity, input gear and output gear install in the second installation cavity. By adopting the structure, the components such as the input shaft, the output shaft, the input gear, the output gear, the coupling and the like can be more reliably positioned and installed through the design of the two installation cavities.

Preferably, the method comprises the following steps: be provided with input shaft mounting hole and output shaft mounting hole on the outer end cover, have first connecting seat, second connecting seat, third connecting seat and the fourth connecting seat of inside lid bending type formation in the outer fringe of this outer end cover, first connecting seat and second connecting seat are located the both sides of input shaft mounting hole respectively, third connecting seat and fourth connecting seat are the annular distribution around the output shaft mounting hole, be formed with first opening of stepping down between first connecting seat and the fourth connecting seat, be formed with the second opening of stepping down between third connecting seat and the fourth connecting seat, be formed with the third opening of stepping down between second connecting seat and the third connecting seat. By adopting the structure, the door control speed reducer can adopt a larger output gear while ensuring the small and compact integral structure, so that the output gear and the input gear have larger reduction ratio, and the effects of reducing speed and increasing torque are improved; and, when guaranteeing structural strength, realized lightweight design.

Preferably, the method comprises the following steps: the door installation axle includes integrated into one piece's linkage segment, spacing section and four directions head, the linkage segment is arranged in the casing to with the buffer block base member key-type connection that corresponds, spacing section is located outside the casing, and the diameter is greater than the diameter of linkage segment, four directions head is the cuboid structure that the cross-section is the square to lie in the one end that the linkage segment was kept away from to spacing section, the width of this four directions head is less than the diameter of spacing section. The structure more than adopting can enough guarantee door installation axle and the reliable connection of shaft coupling through the structure of linkage segment, can realize limiting displacement again through spacing section, can also be connected with the door reliably through square head.

Preferably, the method comprises the following steps: and one end of the output shaft penetrates out of the shell and is provided with an angle sensor for detecting the rotation angle of the output shaft. By adopting the structure, the rotation angle of the door can be accurately controlled.

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

adopt the utility model provides an entrance guard's reduction gear, novel structure easily realizes, even the door takes place the normal work that the biasing problem also can not influence entrance guard's reduction gear, reliable and stable, long service life has reduced the load of motor simultaneously, can adopt the motor that power is littleer, has reduced manufacturing cost.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

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

FIG. 3 is a schematic structural view of an outer end cap;

FIG. 4 is a schematic structural view of the coupling;

FIG. 5 is a schematic structural view of an elastic buffer block;

FIG. 6 is a schematic diagram of a land structure.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1, the access control speed reducer comprises a speed reducing mechanism and a door mounting shaft 1, wherein the speed reducing mechanism comprises a housing 2, an input shaft 5 and an output shaft 3 which are parallel to each other are arranged in the housing 2, one end of the input shaft 5 is connected with an output end of a planetary speed reducing mechanism 8, an input end of the planetary speed reducing mechanism 8 is connected with a motor a, an input gear 6 is fixedly sleeved on the input shaft 5, and an output gear 7 which is meshed with the input gear 6 is fixedly sleeved on the output shaft 3.

Therefore, when the motor a is started, the motor shaft of the motor a drives the planetary reduction mechanism 8, the planetary reduction mechanism 8 drives the input shaft 5 to rotate, the input shaft 5 drives the input gear 6 to rotate synchronously therewith, the input gear 6 drives the output gear 7 to rotate, and the output gear 7 drives the output shaft 3 to rotate synchronously therewith.

Referring to fig. 1, the door mounting shaft 1 is inserted into the housing 2 and then connected to the output shaft 3 through the coupling 4, i.e., the output shaft 3 can drive the door mounting shaft 1 to rotate synchronously with the door mounting shaft through the coupling 4.

Referring to fig. 1 to 3, the housing 2 includes a base plate 21, an inner cover 22, and an outer end cover 23, the inner cover 22 is fastened to the base plate 21 and surrounds the base plate 21 to form a first mounting cavity 24, the coupling 4 is mounted in the first mounting cavity 24 by a bearing, the outer end cover 23 is fastened to the inner cover 22 and surrounds the inner cover 22 to form a second mounting cavity 25, and the input gear 6 and the output gear 7 are mounted in the second mounting cavity 25 by a bearing. The planetary speed reducing mechanism 8 is fixedly mounted on the substrate 21, one end of the planetary speed reducing mechanism 8 is located in the first mounting cavity 24, the other end of the planetary speed reducing mechanism is located outside the substrate 21, one end, penetrating out of the substrate 21, of the planetary speed reducing mechanism 8 is connected with the motor A, one end, located in the first mounting cavity 24, of the planetary speed reducing mechanism 8 is connected with one end of the input shaft 5, the other end of the input shaft 5 is located in the second mounting cavity 25, and the input gear 6 is fixedly sleeved on the other end of the input shaft 5. One end of the output shaft 3 is located outside the outer end cover 23, the other end of the output shaft passes through the second mounting cavity 25 and then is inserted into the first mounting cavity 24 and is connected with the coupler 4, the output gear 7 is fixedly sleeved on the part, located in the second mounting cavity 25, of the output shaft 3, one end of the door mounting shaft 1 is inserted into the second mounting cavity 25, and the other end of the door mounting shaft is located outside the base plate 21.

Referring to fig. 2 and 3, an input shaft mounting hole 231 and an output shaft mounting hole 232 are provided on the outer end cover 23, the input gear 6 is bearing-mounted in the input shaft mounting hole 231, and the output shaft 3 is bearing-mounted in the output shaft mounting hole 232. The outer edge of the outer end cap 23 is provided with a first connecting seat 233, a second connecting seat 234, a third connecting seat 235 and a fourth connecting seat 236 which are bent towards the inner cap 22, the first connecting seat 233 and the second connecting seat 234 are respectively positioned at two sides of the input shaft mounting hole 231, and the third connecting seat 235 and the fourth connecting seat 236 are annularly distributed around the output shaft mounting hole 232. Further, one end of the outer end cap 23 is smaller and the other end is larger, the first connection seat 233 and the second connection seat 234 are located on both sides of the smaller end of the outer end cap 23, and the third connection seat 235 and the fourth connection seat 236 are located on both sides of the larger end of the outer end cap 23.

A first yielding opening 237 is formed between the first connecting seat 233 and the fourth connecting seat 236, a second yielding opening 238 is formed between the third connecting seat 235 and the fourth connecting seat 236, a third yielding opening 239 is formed between the second connecting seat 234 and the third connecting seat 235, and the first yielding opening 237, the second yielding opening 238 and the third yielding opening 239 are arranged in a triangular shape. Moreover, while the structural strength of the outer end cover 23 is ensured, a plurality of lightening grooves 230 are arranged on the outer end cover 23, so as to further reduce the weight of the outer end cover 23 and realize a light-weight design.

Referring to fig. 4 to 6, the coupling 4 includes an elastic buffer block 42 and two connection pads 41 respectively disposed at two sides of the elastic buffer block 42, the elastic buffer block 42 includes a buffer block base 421 and block-shaped protrusions 422 uniformly distributed on an outer wall of the buffer block base 421 along a circumferential direction, first mounting notches 423 and second mounting notches 423 'alternately arranged are formed between the block-shaped protrusions 422, the two connection pads 41 are respectively fixedly sleeved on the door mounting shaft 1 and the output shaft 3, circular and uniformly distributed protrusions 411 are disposed on a disk surface of one side of the connection pads 41 close to the elastic buffer block 42, the protrusions 411 of one connection pad 41 are respectively inserted into the corresponding first mounting notches 423, and the protrusions 411 of the other connection pad 41 are respectively inserted into the corresponding second mounting notches 423'. The elastic buffer block 42 is made of nylon material and can be compressed and deformed, so that one of the connecting discs 41 can be biased relative to the other connecting disc 41. A connecting hole 412 is machined in the axis position of the connecting disc 41, and an internal spline 413 is machined on the hole wall of the connecting hole 412.

Referring to fig. 1, the door mounting shaft 1 includes a connecting section 11, a limiting section 12 and a square head section 13, which are integrally formed, the connecting section 11 is located in the housing 2, the connecting section 11 is a cylindrical structure, and an external spline adapted to the internal spline 413 is processed on an outer wall of the connecting section 11, so that the connecting section 11 is in key connection with the corresponding buffer block base 421, and the door mounting shaft is simple in structure, stable, reliable and easy to implement. The limiting section 12 is located outside the shell 2 and is also of a cylindrical structure, and the diameter of the limiting section 12 is larger than that of the connecting section 11, so that a good limiting effect is achieved. The square head section 13 is a cuboid structure with a square cross section and is positioned at one end of the limiting section 12 far away from the connecting section 11, and the width of the square head section 13 is smaller than the diameter of the limiting section 12.

Referring to fig. 1, an angle sensor 9 for detecting a rotation angle of the output shaft 3 is installed after one end of the output shaft 3 penetrates through the housing 2. The angle sensor 9 adopts a Hall sensor, permanent magnets 10 which are uniformly distributed in an annular shape are arranged on the shell 2, and when the output shaft 3 rotates, the rotating angle of the output shaft 3 can be measured through the cooperation of the Hall sensor and each permanent magnet 10, so that the rotating angle of the door can be controlled.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. The utility model provides an entrance guard's reduction gear, includes reduction gears and door installation axle (1), its characterized in that: the speed reducing mechanism comprises a shell (2) and an output shaft (3) rotatably installed in the shell (2), the door installation shaft (1) is connected with the output shaft (3) through a coupler (4) after being inserted into the shell (2), the coupler (4) comprises an elastic buffer block (42) and two connecting discs (41) respectively arranged on two sides of the elastic buffer block (42), the elastic buffer block (42) comprises a buffer block base body (421) and block-shaped bulges (422) distributed on the outer wall of the buffer block base body (421) along the circumferential direction, first installation notches (423) and second installation notches (423') alternately arranged are formed between the block-shaped bulges (422), the two connecting discs (41) are respectively and fixedly sleeved on the door installation shaft (1) and the output shaft (3), and protruding blocks (411) which are annularly distributed are arranged on the disc surface of one side, close to the elastic buffer block (42), of the connecting discs (41), the convex blocks (411) of one connecting disc (41) are respectively inserted into the corresponding first mounting notches (423), and the convex blocks (411) of the other connecting disc (41) are respectively inserted into the corresponding second mounting notches (423').

2. The door access retarder of claim 1, wherein: an input shaft (5) parallel to the output shaft (3) is arranged in the shell (2), an input gear (6) is fixedly sleeved on the input shaft (5), and an output gear (7) meshed with the input gear (6) is fixedly sleeved on the output shaft (3).

3. The door access retarder of claim 2, wherein: the input shaft (5) is connected with a planetary speed reducing mechanism (8).

4. The door access retarder of claim 2, wherein: casing (2) include base plate (21), inner cup (22) and outer end cover (23), inner cup (22) lock is on base plate (21) to surround with base plate (21) and form first installation cavity (24), install in first installation cavity (24) shaft coupling (4), outer end cover (23) lock is on inner cup (22) to surround with inner cup (22) and form second installation cavity (25), install in second installation cavity (25) input gear (6) and output gear (7).

5. The door access retarder of claim 4, wherein: an input shaft mounting hole (231) and an output shaft mounting hole (232) are arranged on the outer end cover (23), the outer edge of the outer end cover (23) is provided with a first connecting seat (233), a second connecting seat (234), a third connecting seat (235) and a fourth connecting seat (236) which are formed by bending towards the inner cover (22), the first connecting seat (233) and the second connecting seat (234) are respectively positioned at two sides of the input shaft mounting hole (231), the third connecting seat (235) and the fourth connecting seat (236) are annularly distributed around the output shaft mounting hole (232), a first abdicating opening (237) is formed between the first connecting seat (233) and the fourth connecting seat (236), a second abdicating opening (238) is formed between the third connecting seat (235) and the fourth connecting seat (236), a third abdicating opening (239) is formed between the second connecting seat (234) and the third connecting seat (235).

6. The door access retarder of claim 2, wherein: door installation axle (1) includes integrated into one piece's linkage segment (11), spacing section (12) and four directions head (13), linkage segment (11) are arranged in casing (2) to with buffer block base member (421) key-type connection that corresponds, spacing section (12) are arranged in outside casing (2), and the diameter is greater than the diameter of linkage segment (11), four directions head (13) are the cuboid structure of square for the cross-section to lie in spacing section (12) and keep away from the one end of linkage segment (11), the width of this four directions head (13) is less than the diameter of spacing section (12).

7. The door access retarder of claim 1, wherein: and one end of the output shaft (3) penetrates out of the shell (2) and then is provided with an angle sensor (9) for detecting the rotation angle of the output shaft (3).