CN218068019U

CN218068019U - Speed switch with forced closing function

Info

Publication number: CN218068019U
Application number: CN202222380155.5U
Authority: CN
Inventors: 张海滨; 王健
Original assignee: Qingdao Haiyulong Electronics Co ltd
Current assignee: Qingdao Haiyulong Electronics Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-12-16
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a speed switch field just discloses a speed switch with close function by force, including the device casing the holding tank has been seted up respectively to the inner wall of device casing and has been accomodate the groove, the inner wall fixedly connected with speed detection sensor of holding tank, the inside of speed detection sensor is provided with the connecting axle, one side fixedly connected with activity ratchet of connecting axle, the outer wall fixedly connected with fixed axle of activity ratchet, the outer wall fixedly connected with swirl spring of fixed axle, the outer wall fixedly connected with activity shifting block of swirl spring, the first reset spring of bottom fixedly connected with of activity shifting block. This speed switch with close function by force is favorable to taking place when the abnormal rotation such as extremely fast rotation, carries out emergency braking for close the rotation by force, and then improved the security, solved the problem that the rotation such as abnormal leads to equipment to take place to damage.

Description

Speed switch with forced closing function

Technical Field

The utility model relates to a speed switch technical field specifically is a speed switch with close function by force.

Background

Along with the continuous development of society, scientific and technical is also making continuous progress, and people are more and more skillful in using various production machines, and the machine classification is many, wherein partial machines are mainly driven by inputting power through a motor.

The existing machinery for realizing driving through the rotation of a motor is inconvenient to detect the rotating speed of a rotating shaft when in use, so that the rotating shaft is easy to damage machinery once abnormal rotation occurs, a speed switch with a forced closing function is needed to detect the rotating speed of the machinery, and emergency braking is performed when the rotating speed is rotated at an extremely high speed, so that the rotation is forcibly closed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a speed switch with close function by force possesses automatic emergency braking, has solved the problem among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a speed switch with close function by force, includes the device casing the holding tank has been seted up respectively and the groove is accomodate to the inner wall of device casing, the inner wall fixedly connected with speed detection sensor of holding tank, the inside of speed detection sensor is provided with the connecting axle, one side fixedly connected with activity ratchet of connecting axle, the outer wall fixedly connected with fixed axle of activity ratchet, the outer wall fixedly connected with swirl spring of fixed axle, the outer wall fixedly connected with activity shifting block of swirl spring.

The bottom fixedly connected with first reset spring of activity shifting block, first reset spring's bottom fixedly connected with supporting shoe, the supporting shoe is fixed in movable ratchet's outer wall, accomodate the inner wall fixedly connected with fixed block in groove, the bottom fixedly connected with second reset spring of fixed block, second reset spring's bottom fixedly connected with movable block, one side fixedly connected with connecting rod of movable block, the outer wall swing joint of connecting rod has movable ratchet, the through-hole has been seted up to the inner wall of activity ratchet, is favorable to when taking place the abnormal rotation such as extremely fast rotation, carries out emergency braking for close the rotation by force, and then improved the security, solved the problem that abnormal rotation such as wait to lead to equipment to take place the damage.

Preferably, the movable shifting block forms a rotating structure with the fixed shaft through the vortex spring, so that the vortex spring drives the movable shifting block to reset and rotate conveniently.

Preferably, the movable shifting block and the supporting block form a telescopic structure through a first return spring, and the movable shifting block is rotatably connected with the movable ratchet wheel through a fixed shaft, so that the first return spring drives the movable shifting block to reset and slide conveniently.

Preferably, the movable block and the fixed block form a telescopic structure through a second reset spring, and an interval is arranged between the movable block and the movable ratchet wheel, so that the second reset spring drives the movable block to reset and slide.

Preferably, the connecting rod passes through the movable ratchet through the through hole, and the front view of the connecting rod is of a T-shaped structure, so that the connecting rod can drive the movable ratchet to slide through the through hole conveniently.

Preferably, the movable ratchet is matched with the movable ratchet wheel, and a distance is arranged between the movable ratchet wheel and the movable ratchet wheel, so that normal rotation of the movable ratchet wheel is ensured, and the movable ratchet wheel is meshed with the movable ratchet wheel when the movable ratchet wheel rotates abnormally, so that the movable ratchet wheel is blocked.

Preferably, the first hinge of opening part one side fixedly connected with of holding tank, and the first dodge gate of one side fixedly connected with of first hinge, made things convenient for and opened and close inside the holding tank.

Preferably, one side of the opening of the accommodating groove is fixedly connected with a second hinge, and one side of the second hinge is fixedly connected with a second movable door, so that the inside of the accommodating groove can be conveniently opened and closed.

Advantageous effects

Compared with the prior art, the utility model provides a speed switch with close function by force possesses following beneficial effect:

1. this speed switch with close function by force, through the device casing that sets up, the holding tank, accomodate the groove, speed detection sensor, the connecting axle, the activity ratchet, the fixed axle, the swirl spring, the activity shifting block, first reset spring, the supporting shoe, the fixed block, second reset spring, the movable block, the connecting rod, activity ratchet and through-hole, be favorable to when taking place the abnormal rotation such as extremely fast rotation, carry out emergency braking, make close the rotation by force, and then improved the security, the problem of the damage takes place for rotatory equipment that leads to of abnormal wait has been solved.

2. This speed switch with close function by force, through first hinge, second hinge, first dodge gate and the second dodge gate that sets up, made things convenient for the work of opening to inside, and then be favorable to maintaining the maintenance to inside, solved inconvenient maintenance and repair's problem, ensured the effective of going on of work.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of the right side cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the left side of the utility model;

FIG. 4 is a front view of the present invention;

fig. 5 is the utility model discloses a structural diagram that cuts open downwards.

In the figure: 1. a device housing; 2. accommodating grooves; 3. a receiving groove; 4. a speed detection sensor; 5. a connecting shaft; 6. a movable ratchet wheel; 7. a fixed shaft; 8. a swirl spring; 9. a movable shifting block; 10. a first return spring; 11. a support block; 12. a fixed block; 13. a second return spring; 14. a movable block; 15. a connecting rod; 16. a movable ratchet; 17. a through hole; 18. a first hinge; 19. a second hinge; 20. a first movable door; 21. a second movable door.

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 efforts all belong to the protection scope of the present invention.

Example 1

The preferred embodiment of the speed switch with forced closing function provided by the present invention is shown in fig. 1 to 5: the utility model provides a speed switch with close function by force, including device casing 1's inner wall seted up holding tank 2 respectively and accomodate groove 3, holding tank 2's inner wall fixedly connected with speed detection sensor 4, speed detection sensor 4's inside is provided with connecting axle 5, one side fixedly connected with activity ratchet 6 of connecting axle 5, the outer wall fixedly connected with fixed axle 7 of activity ratchet 6, the outer wall fixedly connected with swirl spring 8 of fixed axle 7, swirl spring 8's outer wall fixedly connected with activity shifting block 9.

The first reset spring 10 of bottom fixedly connected with of activity shifting block 9, the bottom fixedly connected with supporting shoe 11 of first reset spring 10, supporting shoe 11 is fixed in the outer wall of activity ratchet 6, accomodate the inner wall fixedly connected with fixed block 12 of groove 3, the bottom fixedly connected with second reset spring 13 of fixed block 12, the bottom fixedly connected with movable block 14 of second reset spring 13, one side fixedly connected with connecting rod 15 of movable block 14, the outer wall swing joint of connecting rod 15 has movable ratchet 16, through-hole 17 has been seted up to the inner wall of movable ratchet 16, be favorable to when taking place the abnormal rotation such as extremely fast rotation, carry out emergency braking, make and close rotatoryly by force, and then the security has been improved, the problem that the rotation leads to equipment emergence damage such as abnormal has been solved.

In this embodiment, activity shifting block 9 passes through swirl spring 8 and constitutes revolution mechanic with fixed axle 7, has made things convenient for swirl spring 8 to drive activity shifting block 9 and has reset the rotation.

Furthermore, the movable shifting block 9 and the supporting block 11 form a telescopic structure through the first return spring 10, and the movable shifting block 9 is rotatably connected with the movable ratchet 6 through the fixed shaft 7, so that the first return spring 10 drives the movable shifting block 9 to reset and slide.

Furthermore, the movable block 14 and the fixed block 12 form a telescopic structure through the second return spring 13, and a space is arranged between the movable block 14 and the movable ratchet 6, so that the second return spring 13 drives the movable block 14 to reset and slide.

Furthermore, the connecting rod 15 penetrates through the movable ratchet 16 through the through hole 17, and the connecting rod 15 is in a T-shaped structure, so that the connecting rod 15 can drive the movable ratchet 16 to slide through the through hole 17 conveniently.

Furthermore, the movable ratchet 16 is matched with the movable ratchet 6, and a distance is arranged between the movable ratchet 16 and the movable ratchet 6, so that normal rotation of the movable ratchet 6 is ensured, and the movable ratchet 16 is meshed with the movable ratchet 6 when the movable ratchet 6 rotates abnormally, so that the movable ratchet 16 is blocked.

Example 2

On the basis of embodiment 1, the preferred embodiment of the speed switch with forced closing function provided by the present invention is shown in fig. 1 to 5: one side of the opening of the accommodating groove 2 is fixedly connected with a first hinge 18, and one side of the first hinge 18 is fixedly connected with a first movable door 20, so that the inside of the accommodating groove 2 can be conveniently opened and closed.

In this embodiment, one side of the opening of the storage groove 3 is fixedly connected with the second hinge 19, and one side of the second hinge 19 is fixedly connected with the second movable door 21, so that the storage groove 3 is conveniently opened and closed.

When the device is used, the device shell 1 is firstly installed to a proper position, the connecting shaft 5 is connected with an output shaft of the motor, the motor is started to synchronously drive the connecting shaft 5 to rotate, at the moment, the rotating speed of the motor is detected through the speed detection sensor 4, the connecting shaft 5 drives the movable ratchet 6 to rotate, when the motor rotates at the highest speed, the centrifugal force generated by the rotation of the movable shifting block 9 driven by the movable ratchet 6 is increased, the movable shifting block 9 is enabled to greatly rotate after being released from the pressure of the first reset spring 10 and the vortex spring 8, then the movable shifting block 9 can be contacted with the movable block 14, the movable shifting block 14 is further enabled to stir the movable block 9 to slide, after the movable block 14 drives the second reset spring 13 to compress, the connecting rod 15 is driven to slide in the through hole 17, when the connecting rod 15 slides to the top of the through hole 17, the movable ratchet 14 continues to slide at the moment, the movable ratchet 16 is driven to synchronously slide, the movable ratchet 16 is meshed with the movable ratchet 6, and the movable ratchet 6 is further enabled to brake, the movable ratchet 6 cannot rotate, and forced closing is achieved.

In conclusion, the speed switch with the forced closing function is beneficial to realizing the function of emergency braking when the extremely-fast rotation occurs, so that the rotation is forced to be closed, and the safety of mechanical operation is further improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A speed switch with forced turn-off function, comprising a device housing (1), characterized in that: an accommodating groove (2) and an accommodating groove (3) are respectively formed in the inner wall of the device shell (1), a speed detection sensor (4) is fixedly connected to the inner wall of the accommodating groove (2), a connecting shaft (5) is arranged inside the speed detection sensor (4), a movable ratchet wheel (6) is fixedly connected to one side of the connecting shaft (5), a fixing shaft (7) is fixedly connected to the outer wall of the movable ratchet wheel (6), a vortex spring (8) is fixedly connected to the outer wall of the fixing shaft (7), and a movable shifting block (9) is fixedly connected to the outer wall of the vortex spring (8);

the movable ratchet wheel is characterized in that a first return spring (10) is fixedly connected to the bottom of the movable shifting block (9), a supporting block (11) is fixedly connected to the bottom of the first return spring (10), the supporting block (11) is fixed to the outer wall of the movable ratchet wheel (6), a fixed block (12) is fixedly connected to the inner wall of the accommodating groove (3), a second return spring (13) is fixedly connected to the bottom of the fixed block (12), a movable block (14) is fixedly connected to the bottom of the second return spring (13), a connecting rod (15) is fixedly connected to one side of the movable block (14), a movable ratchet (16) is movably connected to the outer wall of the connecting rod (15), and a through hole (17) is formed in the inner wall of the movable ratchet (16).

2. A speed switch with forced turn-off according to claim 1, wherein: the movable shifting block (9) and the fixed shaft (7) form a rotating structure through a vortex spring (8).

3. A speed switch with forced turn-off according to claim 1, wherein: the movable shifting block (9) and the supporting block (11) form a telescopic structure through a first return spring (10), and the movable shifting block (9) is rotatably connected with the movable ratchet wheel (6) through a fixed shaft (7).

4. A speed switch with forced turn-off according to claim 1, wherein: the movable block (14) and the fixed block (12) form a telescopic structure through a second return spring (13), and a space is arranged between the movable block (14) and the movable ratchet wheel (6).

5. A speed switch with forced turn-off according to claim 1, wherein: the connecting rod (15) penetrates through the movable ratchet (16) through the through hole (17), and the connecting rod (15) is of a T-shaped structure in front view.

6. A speed switch with forced turn-off according to claim 1, wherein: the movable ratchet (16) is matched with the movable ratchet wheel (6), and a space is arranged between the movable ratchet (16) and the movable ratchet wheel (6).

7. A speed switch with forced turn-off functionality according to claim 1, characterized in that: one side of the opening of the accommodating groove (2) is fixedly connected with a first hinge (18), and one side of the first hinge (18) is fixedly connected with a first movable door (20).

8. A speed switch with forced turn-off functionality according to claim 1, characterized in that: one side of the opening of the accommodating groove (3) is fixedly connected with a second hinge (19), and one side of the second hinge (19) is fixedly connected with a second movable door (21).