CN216836913U - Brake release device and electromagnet - Google Patents
Brake release device and electromagnet Download PDFInfo
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- CN216836913U CN216836913U CN202122978132.XU CN202122978132U CN216836913U CN 216836913 U CN216836913 U CN 216836913U CN 202122978132 U CN202122978132 U CN 202122978132U CN 216836913 U CN216836913 U CN 216836913U
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- handle
- brake release
- ejector rod
- release device
- groove
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- 238000010030 laminating Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a brake release device and an electromagnet, wherein the brake release device comprises a handle and an ejector rod, a through groove is formed in the ejector rod, the through groove extends along the radial direction of the ejector rod, and the handle penetrates through the through groove; the handle comprises a limiting part and a limiting part, and the limiting part are respectively positioned at two ends of the handle; the handle includes user state and withdraws the state, when the handle is in user state, spacing portion is close to the ejector pin, when the handle is in the state of withdrawing, the locating part is close to the ejector pin. According to the brake release device, the through groove for the handle to penetrate through is formed in the ejector rod, the limiting part and the limiting part are respectively arranged at the two ends of the handle, and when the brake release device is used, the handle is obliquely pulled upwards until the limiting part is close to the ejector rod for limiting, so that the handle is in a use state; after the handle is used, the handle is directly pushed downwards obliquely until the limiting part is close to the ejector rod for limiting, so that the handle is in a withdrawing state and is positioned in a safe area, and safety accidents caused by mistaken brake release are avoided.
Description
Technical Field
The utility model belongs to the technical field of electromagnets, and particularly relates to a brake releasing device of an electromagnet and the electromagnet comprising the brake releasing device.
Background
An electromagnet is a device for generating electromagnetism by electrifying, and has extremely wide application in daily life. The brake release wrench of the tractor brake electromagnet in the prior art is two independent parts with the electromagnet body, the brake release wrench is connected with a brake release ejector rod and then installed on the electromagnet body, the brake release wrench extends upwards in an inclined mode, the length of the brake release wrench extending out of the electromagnet body is long, if the brake release wrench is still kept in the same state after being used, the brake release wrench can easily cause mistaken brake release due to the self gravity of the wrench and other factors, and life safety accidents are caused once.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to overcome the defects of the prior art, the present invention provides an improved brake releasing device and an electromagnet, which are used to solve the problem that a brake releasing wrench is extended too long out of an electromagnet body to cause a mistaken brake release, which may result in a safety accident.
In order to achieve the purpose, the utility model adopts the following technical scheme:
on one hand, the utility model provides a brake release device which is fixedly connected with an electromagnet body and comprises a handle and an ejector rod, wherein a through groove is formed in the ejector rod, the through groove extends along the radial direction of the ejector rod, and the handle penetrates through the through groove; the handle comprises a limiting part and a limiting part, and the limiting part are respectively positioned at two ends of the handle; the handle includes user state and state of withdrawing, the handle is in when user state, spacing portion is close to the ejector pin, the handle is in when state of withdrawing, the locating part is close to the ejector pin.
The ejector rod is fixedly connected with the electromagnet body, is positioned on the circumferential side surface of the electromagnet body and is arranged in the middle, a through groove for the handle to penetrate through is formed in the ejector rod, and the two ends of the handle are respectively provided with a limiting part and a limiting part, so that the manual brake release of the electromagnet is realized, and the handle is pulled upwards in an inclined way when in use, namely the handle is in a use state; after the handle is used, the handle is directly pushed downwards obliquely to the position limiting part to be close to the ejector rod without taking down the handle, so that the handle is located in a safe area and cannot extend upwards obliquely for a long distance, and safety accidents caused by mistaken brake release are avoided.
According to a preferred implementation aspect of the utility model, the handle comprises a handle body, the limiting part comprises a first part, a second part and a limiting ring sleeved on the periphery of the second part, and two ends of the second part are respectively fixedly connected with the handle body and the first part. In some embodiments of the present invention, the limiting part is located at the lower end of the handle, the limiting part is located at the upper end of the handle, and the limiting part are respectively disposed at two ends of the handle body to form the whole handle.
According to a preferred aspect of the utility model, the diameter of the first portion is equal to the diameter of the handle body, and the diameter of the second portion is smaller than the diameter of the first portion. The outer diameter of the limiting ring is larger than the diameter of the first portion and the diameter of the through groove, the inner diameter of the limiting ring is smaller than the diameter of the first portion, and the inner wall of the limiting ring is attached to the outer wall of the second portion. In some embodiments of the utility model, the diameter of the second part is smaller than that of the first part, after the limiting ring is sleeved on the second part, the inner wall of the limiting ring is attached to the outer wall of the second part, and the outer diameter of the limiting ring is larger than the diameters of the first part and the through groove, so that when the handle is pulled obliquely upwards, the lower end part of the handle is limited, and the situation that the handle cannot be fixed with the ejector rod when being used and the brake release is influenced because the lower end part is directly pulled out of the through groove is avoided.
According to a preferred aspect of the present invention, the through slot is used for providing a passage for the handle to move back and forth, so that the handle is in the using state or the retracting state; the outer wall of the handle body is attached to the inner wall of the through groove. The handle body is of the same diameter and can move back and forth in the through groove, and when the handle is required to be used, the handle body moves obliquely upwards in the through groove; after the use, the handle body moves to the oblique below in leading to the groove. No matter the handle body is in the removal in-process, still is in user state or withdraws the state, the outer wall of handle body all with lead to the inner wall laminating of groove, the diameter that leads to the groove does not set up too big for the handle body just can remove, laminate each other between the two when removing, can guarantee the stability of handle, can not rock at will.
According to a preferred implementation aspect of the present invention, the limiting member is sleeved at one end of the handle far away from the limiting portion, and the limiting member includes a third portion and a fourth portion connected to the third portion; the outer diameter of the third portion gradually increases from one end far away from the fourth portion to one end close to the fourth portion, and the outer diameter of the fourth portion is equal to that of one end of the third portion close to the fourth portion. In some embodiments of the utility model, the limiting member is directly sleeved on the upper end of the handle, and the interior of the limiting member is a cavity, so that the limiting member is conveniently sleeved. The limiting piece is arranged, on one hand, a user can conveniently hold the handle, the part of the limiting piece is directly held to pull out or push down the handle when the handle is used or used up, the part holding the handle body is not needed to be pushed and pulled, generally, the outer wall of the handle body is smooth, the handle body is of the same diameter, and sometimes, the hand can slip when the handle body is pulled out in the oblique direction. In addition, because the outer wall of handle body and the laminating of the inner wall that leads to the groove, and the external diameter of third portion is by keeping away from the one end of fourth portion to the one end crescent that is close to the fourth portion, when using up the back with handle below propelling movement to one side, the third portion can play limiting displacement to the downward movement of handle, avoids the handle to drop downwards, also can make the handle stably be in the state of withdrawing simultaneously, and need not to take off the handle after the use, easy operation.
According to a preferred embodiment of the present invention, when the handle is in the retracted state, a distance between the limiting member and the bottom of the electromagnet body is smaller than a height of the electromagnet body. When the handle is ensured to be in a withdrawing state, the handle cannot extend upwards in an inclined mode for a long distance, and the position where the top surface of the electromagnet body is located is avoided being exceeded, so that safety accidents caused by mistaken brake release are avoided.
According to a preferred implementation aspect of the utility model, when the handle is in the use state, the limit ring is abutted with the ejector rod; when the handle is in the retraction state, one end of the third part, which is far away from the fourth part, is abutted against the ejector rod. The handle is upwards inclined to one side through the spacing portion of below and the locating part of top respectively and carries on spacingly when pushing away downwards for the handle can be connected with the ejector pin all the time, avoids dropping.
According to a preferred embodiment of the present invention, an included angle is formed between the length extending direction of the through groove and the horizontal plane, and the included angle between the length extending direction of the through groove and the horizontal plane is equal to the included angle between the handle and the horizontal plane. In some embodiments of the present invention, the angle between the longitudinal extension of the channel and the horizontal plane is preferably 55-65 °.
In another aspect, the utility model also provides an electromagnet comprising the brake release device.
Compared with the prior art, the utility model has the advantages that: the brake releasing device is reasonable in structural design, the through groove for the handle to penetrate through is formed in the ejector rod, the two ends of the handle are respectively provided with the limiting part and the limiting part, the handle is upwards pulled to the limiting part in an inclined mode to be close to the ejector rod for limiting when the brake releasing device is used, the handle is in a use state, and manual brake releasing of the electromagnet is achieved; the handle is not required to be taken down after the use, the handle is directly pushed downwards obliquely to the position limiting part to be close to the ejector rod for limiting, the handle is made to be in a withdrawing state, the handle is located in a safe area, and safety accidents caused by mistaken brake release are avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a sectional view of the handle of the brake release device in the use state according to the preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the handle of the brake release device in a retracted state in accordance with the preferred embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a side view of the carrier rod in a preferred embodiment of the utility model;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
wherein: the handle-1, the limiting part-11, the first part-111, the second part-112, the limiting ring-113, the limiting part-12, the third part-121, the fourth part-122, the handle body-13, the ejector rod-2, the through groove-21 and the electromagnet body-3.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the electromagnet of the present embodiment includes an electromagnet body 3, and a brake release device fixed to the electromagnet body 3. The brake release device in the embodiment comprises a mandril 2 and a handle 1 connected with the mandril 2. Wherein, the mandril 2 is positioned on the circumferential side surface of the electromagnet body 3 and arranged in the middle; a through groove 21 (fig. 4-5) is formed in the ejector rod 2, the through groove 21 extends along the radial direction of the ejector rod 2, the handle 1 penetrates through the through groove 21, the handle 1 comprises a use state and a retraction state, and the handle 1 can be in the use state or the retraction state through the movement of the handle 1 in the through groove 21 so as to use the handle 1 or push the handle back to a safe area.
As shown in fig. 1-3, the handle 1 of the present embodiment includes a handle body 13, a position-limiting portion 11 connected to a lower end of the handle body 13, and a position-limiting member 12 sleeved on an upper end of the handle body 13; lie in the handle body 13 part that leads to the inslot 21, its outer wall and the laminating of the inner wall that leads to groove 21 for handle body 13 just can lead to the inslot 21 removal can, when removing laminate each other between the two, can guarantee handle 1's stability, can not rock at will. The limiting part 11 is located at the lower end of the handle 1, and the limiting part 12 is located at the upper end of the handle 1. The position-limiting portion 11 includes a first portion 111, a second portion 112, and a position-limiting ring 113 disposed around the second portion 112. The second portion 112 has two ends fixedly connected to the handle body 13 and the first portion 111, respectively. The diameter of the first portion 111 is equal to that of the handle body 13, and the diameter of the second portion 112 is smaller than that of the first portion 111; the outer diameter of the limiting ring 113 is larger than the diameter of the first portion 111 and the diameter of the through groove 21, the inner diameter of the limiting ring 113 is smaller than the diameter of the first portion 111, and the inner wall of the limiting ring 113 is attached to the outer wall of the second portion 112. The lower end part of the handle 1 is limited, and the situation that the lower end part is directly pulled out from the through groove 21 and cannot be fixed with the ejector rod 2 when the handle 1 is used to influence brake release is avoided.
As shown in fig. 1-2, the limiting member 12 includes a third portion 121 and a fourth portion 122 connected to the third portion 121. The outer diameter of the third portion 121 is gradually increased from the end far away from the fourth portion 122 to the end close to the fourth portion 122, and when the handle 1 is pushed obliquely downwards after being used, the third portion 121 can limit the downward movement of the handle 1, so that the handle 1 is prevented from falling downwards, meanwhile, the handle 1 can be stably retracted, the handle 1 does not need to be taken down after being used, and the operation is simple. The outer diameter of the fourth portion 122 is equal to the outer diameter of the third portion 121 at the end near the fourth portion 122. The limiting piece 12 is arranged, on one hand, a user can hold the handle 1 conveniently, and when the handle is used or used up, the handle 1 can be pulled out or pushed down by directly holding the limiting piece 12, the part holding the handle body 13 is not needed to be pushed and pulled, generally, the outer wall of the handle body 13 is smooth, and the situation that the hand slips when the handle is pulled out in the inclined direction can be prevented.
As shown in fig. 1, the handle 1 is in a use state, the limit ring 113 is abutted against the top rod 2 for limiting, and the handle 1 cannot move upwards any more; as shown in fig. 2, the handle 1 is in a retracting state, the end of the third portion 121 far away from the fourth portion 122 is abutted to the ejector rod 2 for limiting, the handle 1 cannot move downwards any more, and the distance from the limiting member 12 to the bottom of the electromagnet body 3 is smaller than the height of the electromagnet body 3, namely, the top surface of the electromagnet body 3 is higher than the plane where the top end of the limiting member 12 is located, so that when the handle 1 is in the retracting state, the handle 1 cannot extend upwards in an inclined manner for a long distance, and the position where the top surface of the electromagnet body 3 is located is avoided being exceeded, thereby avoiding safety accidents caused by mistaken brake release. From the state of fig. 1 to fig. 2 (the use state to the retraction state), the handle 1 is pushed obliquely downward along the angle of the handle; similarly, from the state shown in fig. 2 to fig. 1 (the retracted state to the use state), the handle 1 is pushed obliquely upward along the angle of the handle. When the handle 1 is in a use state or a retraction state, the extending direction of the handle 1 always keeps an included angle of 60 degrees with the horizontal plane.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the utility model, and not to limit the scope of the utility model, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. A brake releasing device is fixedly connected with an electromagnet body and is characterized by comprising a handle and an ejector rod, wherein a through groove is formed in the ejector rod, the through groove extends along the radial direction of the ejector rod, and the handle penetrates through the through groove; the handle comprises a limiting part and a limiting part, and the limiting part are respectively positioned at two ends of the handle; the handle comprises a use state and a retraction state, the limiting part is close to the ejector rod when the handle is in the use state, and the limiting part is close to the ejector rod when the handle is in the retraction state.
2. The brake release device according to claim 1, wherein the handle comprises a handle body, the limiting portion comprises a first portion, a second portion and a limiting ring sleeved on the outer periphery of the second portion, and two ends of the second portion are fixedly connected with the handle body and the first portion respectively.
3. The brake release device of claim 2, wherein the first portion has a diameter equal to a diameter of the handle body, and the second portion has a diameter less than the diameter of the first portion.
4. The brake release device according to claim 2, wherein an outer diameter of the retainer ring is larger than a diameter of the first portion and a diameter of the through groove, an inner diameter of the retainer ring is smaller than the diameter of the first portion, and an inner wall of the retainer ring is attached to an outer wall of the second portion.
5. The brake release device of claim 2, wherein the through slot is configured to provide a passage for the handle to move back and forth, thereby placing the handle in the use state or the retracted state; the outer wall of the handle body is attached to the inner wall of the through groove.
6. The brake release device according to claim 5, wherein the stopper is sleeved on an end of the handle away from the stopper, and the stopper comprises a third portion and a fourth portion connected to the third portion; the outer diameter of the third portion gradually increases from one end far away from the fourth portion to one end close to the fourth portion, and the outer diameter of the fourth portion is equal to that of one end of the third portion close to the fourth portion.
7. The brake release device according to claim 1, wherein the distance between the stopper and the bottom of the electromagnet body is smaller than the height of the electromagnet body when the handle is in the retracted state.
8. The brake release device according to claim 6, wherein when the handle is in the use state, the limit ring abuts against the ejector rod; when the handle is in the retraction state, one end of the third part, which is far away from the fourth part, is abutted against the ejector rod.
9. The brake release device according to claim 1, wherein an included angle is formed between the length extending direction of the through groove and a horizontal plane, and the included angle between the length extending direction of the through groove and the horizontal plane is equal to the included angle between the handle and the horizontal plane.
10. An electromagnet comprising the brake release device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122978132.XU CN216836913U (en) | 2021-11-30 | 2021-11-30 | Brake release device and electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122978132.XU CN216836913U (en) | 2021-11-30 | 2021-11-30 | Brake release device and electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216836913U true CN216836913U (en) | 2022-06-28 |
Family
ID=82103796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122978132.XU Active CN216836913U (en) | 2021-11-30 | 2021-11-30 | Brake release device and electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216836913U (en) |
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2021
- 2021-11-30 CN CN202122978132.XU patent/CN216836913U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215122 1 Exhibition Hall Road, Suzhou Industrial Park, Jiangsu Patentee after: Suzhou Xili Technology Co.,Ltd. Country or region after: China Address before: 215122 1 Exhibition Hall Road, Suzhou Industrial Park, Suzhou, Jiangsu Patentee before: SUZHOU SJEC OPTO-MECHANTRONICS TECHNOLOGY Co.,Ltd. Country or region before: China |