Brake releasing device for braking home elevator

By setting up structures such as sliders, plugs and positioning rods in the household elevator releasing device, the automatic reset of the releasing rod is achieved, which solves the problem of failure to reset the releasing device in time, ensuring the normal operation and safety of the elevator.

CN223201393UActive Publication Date: 2025-08-08NINGBO FENGHUA BINGXIANG MACHINERY PARTS MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422592584.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-26
Publication Date
2025-08-08
Estimated Expiration
2034-10-26

AI Technical Summary

Technical Problem

The existing household elevator gate releasing device is not reset in time after use, which will affect the elevator start and stop functions, which may cause problems such as shaking, stalling or inability to accurately stop, posing safety hazards.

Method used

A loosening device for home elevator braking is designed, including the main component and the release component. By setting up structures such as sliders, insertions, positioning rods and springs, the release rods can only be connected or disconnected in a fixed position to ensure that the loosening rods return to their original position and achieve automatic reset.

Benefits of technology

Effectively prevent the unreset gate device from being reset, ensure the normal operation and safety of the elevator, and avoid problems such as jitter or stall caused by not reset.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of elevator equipment, and discloses a brake release device for braking a home elevator, which comprises a main body assembly, a brake, a brake release rod, a brake release device and a brake release device, the release assembly is arranged on the brake release rod and comprises a sliding block sliding in the brake release rod, an insertion block is fixed to one side of the sliding block, a first spring is fixed in the sliding block, the other end of the first spring is fixed to the inner wall of the brake release rod, a connector is arranged on one side of the brake release rod, a positioning rod is fixed in the connector, and the positioning rod is fixed to the inner wall of the brake release rod. A releasing rod is fixed to one side of the connector, a clamping groove is formed in the positioning rod, and the inserting block can be inserted into the clamping groove. The brake release device has the advantages that the release rod can be connected with or disconnected from the brake release rod only when the release rod is located at a fixed position by arranging the release assembly, and therefore the brake release rod must be driven to restore to the original position when the release rod needs to be separated from the brake release rod after use is completed.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevator equipment, in particular to a brake release device for a household elevator. Background Art

[0002] The elevator brake release device, also known as the emergency brake release device, is mainly used to release the brake to safely stop or move the elevator car when an elevator malfunctions or an emergency occurs. It is one of the key devices to ensure the safety of elevator passengers. In some cases, rescuers may need to manually operate the brake release device to move the elevator car to a level position in order to rescue trapped passengers.

[0003] However, after the existing brake release device is used, if the rescue personnel do not reset it, the elevator's braking system may not be fully restored, thereby affecting the elevator's starting and stopping functions. This may cause the elevator to shake, stall, or fail to stop accurately during operation, causing discomfort and safety hazards to passengers, and may lead to serious accidents when the elevator is in use. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] In view of the above-mentioned and / or existing problems in the existing brake release device for household elevators, the present utility model is proposed.

[0006] Therefore, the problem to be solved by the present invention is that the existing brake release device has a phenomenon of not being reset in time after use.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a brake release device for a household elevator, comprising:

[0008] A main assembly, comprising a brake and a release lever, wherein the release lever is located on one side of the brake;

[0009] A release assembly is provided on the release rod and includes a slider sliding in the release rod, an insert block is fixed on one side of the slider, a first spring is fixed in the slider, the other end of the first spring is fixed to the inner wall of the release rod, a connector is provided on one side of the release rod, a positioning rod is fixed in the connector, a release rod is fixed on one side of the connector, a slot is provided in the positioning rod, and the insert block can be inserted into the slot.

[0010] As a preferred solution of the brake release device for a home elevator described in the utility model, the release assembly further includes a positioning member, which is arranged in the brake release rod and includes an insertion rod sliding in the brake release rod, and a driving rod is fixed to one side of the insertion rod.

[0011] As a preferred solution of the brake release device for a home elevator described in the utility model, the positioning member further includes a second spring whose end is fixed to one side of the driving rod, and the other end of the second spring is fixed to the inner wall of the brake release rod.

[0012] As a preferred solution of the brake release device for a home elevator described in the utility model, the positioning member also includes a positioning block, the positioning block is fixed to one side of the driving rod, an extrusion block is fixed to one side of the brake, and a driving groove is provided on one side of the extrusion block.

[0013] As a preferred solution of the brake release device for a home elevator described in the utility model, the release assembly also includes a reset part, which is arranged in the connecting head and includes a reset rod sliding in the positioning rod, and a push rod is fixed to the end of the reset rod.

[0014] As a preferred solution of the brake release device for a home elevator described in the utility model, the reset member also includes a reset disk, which slides in the connecting head, and a third spring is fixed to one side of the reset disk, and the other end of the third spring is fixed to the inner wall of the connecting head.

[0015] As a preferred solution of the brake release device for a home elevator of the utility model, the reset member further includes a push rod sliding in the release rod, and a push plate is fixed to the end of the push rod.

[0016] As a preferred solution of the brake release device for a home elevator described in the utility model, the reset member also includes a fixed ring fixed in the release rod, a fourth spring is fixed to the top of the fixed ring, a movable ring is fixed to the other end of the fourth spring, and the movable ring slides in the release rod.

[0017] As a preferred solution of the brake release device for a home elevator described in the utility model, a positioning groove is provided on one side of the brake release rod, and the positioning rod can be inserted into the positioning groove.

[0018] As a preferred solution of the brake release device for a home elevator described in the utility model, the end of the positioning rod is chamfered.

[0019] The beneficial effect of the utility model is that by setting the release assembly, the release rod can be connected to or disconnected from the brake release rod only in a fixed position, so that when the release rod needs to be separated from the brake release rod after use, it must drive the brake release rod to return to its original position. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0021] Figure 1 This is a structural diagram of the brake release device for home elevators.

[0022] Figure 2 This is a structural diagram of the connector and release rod connection of a brake release device for a home elevator.

[0023] Figure 3 This is a structural diagram of the connection between the positioning block and the extrusion block of the brake release device for home elevators.

[0024] Figure 4 This is a cross-sectional structural diagram of the plunger of the brake release device for home elevators.

[0025] Figure 5 This is a cross-sectional structural diagram of the fixed ring of the brake release device for home elevators. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. Example

[0029] Reference Figures 1 to 5, which is the first embodiment of the utility model, provides a brake release device for a household elevator. The brake release device for a household elevator includes a main body assembly 100, including a brake 101 and a release rod 102, and the release rod 102 is located on one side of the brake 101.

[0030] By driving the brake release lever 102 to rotate, the brake 101 can be released, so that the elevator car can be stopped or moved safely.

[0031] The release assembly 200 is arranged on the release rod 102, and includes a slider 201a sliding in the release rod 102, an insert block 201b is fixed on one side of the slider 201a, a first spring 201c is fixed in the slider 201a, and the other end of the first spring 201c is fixed to the inner wall of the release rod 102, a connector 201d is provided on one side of the release rod 102, a positioning rod 201e is fixed in the connector 201d, a release rod 201f is fixed on one side of the connector 201d, a slot 201e-1 is provided in the positioning rod 201e, and the insert block 201b can be inserted into the slot 201e-1.

[0032] By pressing down the release rod 201f, the release rod 201f can drive the connecting head 201d to move to the surface of the release rod 102, so that the positioning rod 201e moves into the release rod 102. At this time, the end of the positioning rod 201e will squeeze the plug 201b, so that the plug 201b moves into the release rod 102. When the slot 201e-1 moves to the side of the plug 201b, the plug 201b will be inserted into the slot 201e-1 under the action of the reset elastic force of the first spring 201c.

[0033] At this time, by bending the release lever 201f, the release lever 201f can drive the brake release lever 102 to rotate through the connecting head 201d, so that the brake release lever 102 releases the brake 101.

[0034] Specifically, the release assembly 200 further includes a positioning member 202 disposed in the release rod 102 , including an insertion rod 202 a sliding in the release rod 102 , with a driving rod 202 b fixed to one side of the insertion rod 202 a .

[0035] The insertion rod 202a can be inserted into one side of the slider 201a, thereby limiting the slider 201a, so that the insertion block 201b cannot enter the release rod 102. By moving the driving rod 202b, the insertion rod 202a can be driven to move, so that the insertion rod 202a is away from the slider 201a.

[0036] Preferably, the positioning member 202 further includes a second spring 202 c having an end portion fixed to one side of the driving rod 202 b , and the other end of the second spring 202 c is fixed to the inner wall of the brake release rod 102 .

[0037] The second spring 202c is in a stretched state, and is used to pull the driving rod 202b.

[0038] Preferably, the positioning member 202 further includes a positioning block 202d, which is fixed to one side of the driving rod 202b. A squeezing block 202e is fixed to one side of the brake 101, and a driving groove 202e-1 is provided on one side of the squeezing block 202e.

[0039] The positioning block 202d is in the shape of a triangular prism. By squeezing the tip of the positioning block 202d with the squeezing block 202e, the positioning block 202d can squeeze the driving rod 202b. The setting of the driving groove 202e-1 facilitates the positioning block 202d to move to the protrusion of the squeezing block 202e. Example

[0040] Reference Figure 1 、 Figure 4 and Figure 5 , which is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment:

[0041] Preferably, the release assembly 200 further includes a reset member 203, which is disposed in the connector 201d and includes a reset rod 203a that slides in the positioning rod 201e, and a push rod 203b is fixed to the end of the reset rod 203a.

[0042] The reset rod 203a is used to squeeze the insert block 201b, so that the insert block 201b moves into the release rod 102, thereby releasing the limit on the positioning rod 201e, and the push rod 203b is used to push the reset rod 203a.

[0043] Preferably, the reset member 203 further includes a reset disk 203c, which slides in the connector 201d. A third spring 203d is fixed to one side of the reset disk 203c, and the other end of the third spring 203d is fixed to the inner wall of the connector 201d.

[0044] The reset disk 203c is used to push the push rod 203b. The third spring 203d is in a compressed state. The reset elastic force of the third spring 203d can make the reset disk 203c drive the push rod 203b to move, so that the push rod 203b pulls the reset rod 203a.

[0045] Preferably, the reset member 203 further includes a push rod 203e sliding in the release rod 201f, and a push plate 203f is fixed to the end of the push rod 203e.

[0046] By pushing the push plate 203f, the push plate 203f can be squeezed against the push rod 203e, so that the push rod 203e squeezes the reset plate 203c, thereby further compressing the third spring 203d. At this time, the reset plate 203c pushes the push rod 203b, so that the push rod 203b pushes the reset rod 203a, and the reset rod 203a squeezes the insert block 201b, so that the insert block 201b moves into the release rod 102, thereby releasing the limit on the positioning rod 201e.

[0047] Specifically, the reset member 203 further includes a fixed ring 203g fixed in the release rod 201f, a fourth spring 203h is fixed on the top of the fixed ring 203g, and a movable ring 203i is fixed at the other end of the fourth spring 203h, and the movable ring 203i slides in the release rod 201f.

[0048] The fixed ring 203g is used to support the fourth spring 203h, and the fourth spring 203h is in a compressed state. The movable ring 203i is fixed to the surface of the push rod 203e, and is used to drive the push rod 203e to reset.

[0049] Specifically, a positioning groove 102 - 1 is provided on one side of the brake release rod 102 , and the positioning rod 201 e can be inserted into the positioning groove 102 - 1 .

[0050] The positioning rod 201e is inserted into the positioning groove 102-1, so that when the release rod 201f is bent, the connector 201d can drive the release rod 102 to move through the positioning rod 201e, thereby preventing the release rod 102 and the release rod 201f from loosening.

[0051] Preferably, the end of the positioning rod 201e is chamfered.

[0052] The chamfered end of the positioning rod 201e can make it easier for the positioning rod 201e to move into the positioning groove 102-1.

[0053] During use, when the brake release rod 102 needs to be driven, the staff can hold the release rod 201f so that the connecting head 201d is located at the end of the brake release rod 102. At this time, pressing the release rod 201f downward can make the release rod 201f drive the connecting head 201d to move to the surface of the brake release rod 102, so that the positioning rod 201e moves into the brake release rod 102. At this time, the end of the positioning rod 201e will squeeze the plug 201b, so that the plug 201b moves into the brake release rod 102. When the slot 201e-1 moves to the side of the plug block 201b, the plug block 201b will be inserted into the slot 201e-1 under the action of the return elastic force of the first spring 201c, so that the plug block 201b limits the positioning rod 201e, so that the release rod 201f and the brake release rod 102 are stably connected. At this time, the release rod 201f can be bend to drive the brake release rod 102 to rotate, thereby releasing the brake 101, so that the elevator car can be safely stopped or moved.

[0054] After using the release rod 102, the staff needs to remove the release rod 201f. At this time, since the release rod 102 is rotated, the positioning block 202d is away from the squeezing block 202e. At this time, under the reset tension of the second spring 202c, the driving rod 202b can drive the insertion rod 202a to be inserted into the side of the slider 201a, thereby limiting the slider 201a, so that the insertion block 201b cannot enter the release rod 102. At this time, even if the push plate 203f is pressed, the reset rod 203a cannot squeeze the insertion block 201b into the release rod 102, thereby unable to release the limit of the positioning rod 201e, making the release rod 201f unable to be removed.

[0055] If the release rod 201f needs to be removed, the release rod 201f needs to be bent in the opposite direction to make the brake release rod 102 reset and move, so that the squeezing block 202e squeezes the positioning block 202d, so that the insertion rod 202a moves away from the slider 201a, and the limit on the slider 201a is released. At this time, the push plate 203f is pressed, so that the push rod 203e squeezes the reset plate 203c, thereby further compressing the third spring 203d. At this time, the reset plate 203c pushes the push rod 203b, so that the push rod 203b pushes the reset rod 203a, and the reset rod 203a squeezes the insertion block 201b, so that the insertion block 201b moves into the brake release rod 102, thereby releasing the limit on the positioning rod 201e. At this time, the release rod 201f can be removed, so that the staff will not forget to reset the brake release rod 102.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A brake release device for a household elevator, characterized in that: include, A main body assembly (100) comprises a brake (101) and a brake release lever (102), wherein the brake release lever (102) is located on one side of the brake (101); A release assembly (200) is arranged on the brake release rod (102), comprising a slider (201a) sliding in the brake release rod (102), an insert (201b) fixed on one side of the slider (201a), a first spring (201c) fixed in the slider (201a), the other end of the first spring (201c) fixed to the inner wall of the brake release rod (102), a connector (201d) provided on one side of the brake release rod (102), a positioning rod (201e) fixed in the connector (201d), a release rod (201f) fixed on one side of the connector (201d), a slot (201e-1) provided in the positioning rod (201e), and the insert (201b) can be plugged into the slot (201e-1).

2. The brake release device for a home elevator according to claim 1, characterized in that: The release assembly (200) further comprises a positioning member (202) disposed in the brake release rod (102), comprising an insertion rod (202a) sliding in the brake release rod (102), and a driving rod (202b) being fixed to one side of the insertion rod (202a).

3. The brake release device for a home elevator according to claim 2, characterized in that: The positioning member (202) further comprises a second spring (202c) whose end is fixed to one side of the driving rod (202b), and the other end of the second spring (202c) is fixed to the inner wall of the brake release rod (102).

4. The brake release device for a home elevator according to claim 3, wherein: The positioning member (202) further comprises a positioning block (202d), the positioning block (202d) being fixed to one side of the driving rod (202b), an extrusion block (202e) being fixed to one side of the brake (101), and a driving groove (202e-1) being provided on one side of the extrusion block (202e).

5. The brake release device for a home elevator according to claim 3 or 4, characterized in that: The release assembly (200) further includes a reset member (203), which is arranged in the connector (201d) and includes a reset rod (203a) sliding in the positioning rod (201e), and a push rod (203b) is fixed to the end of the reset rod (203a).

6. The brake release device for a home elevator according to claim 5, characterized in that: The reset member (203) further comprises a reset disk (203c), the reset disk (203c) sliding in the connector (201d), a third spring (203d) being fixed on one side of the reset disk (203c), and the other end of the third spring (203d) being fixed to the inner wall of the connector (201d).

7. The brake release device for a home elevator according to claim 6, characterized in that: The reset member (203) further comprises a push rod (203e) sliding in the release rod (201f), and a push plate (203f) is fixed to the end of the push rod (203e).

8. The brake release device for a home elevator according to claim 7, characterized in that: The reset member (203) further comprises a fixed ring (203g) fixed in the release rod (201f), a fourth spring (203h) being fixed on the top of the fixed ring (203g), a movable ring (203i) being fixed at the other end of the fourth spring (203h), and the movable ring (203i) sliding in the release rod (201f).

9. The brake release device for a home elevator according to claim 8, characterized in that: A positioning groove (102-1) is provided on one side of the brake release rod (102), and the positioning rod (201e) can be inserted into the positioning groove (102-1).

10. The brake release device for a home elevator according to claim 9, characterized in that: The end of the positioning rod (201e) is provided with a chamfer.