CN210565636U - Anti-drop bolt - Google Patents
Anti-drop bolt Download PDFInfo
- Publication number
- CN210565636U CN210565636U CN201921157864.9U CN201921157864U CN210565636U CN 210565636 U CN210565636 U CN 210565636U CN 201921157864 U CN201921157864 U CN 201921157864U CN 210565636 U CN210565636 U CN 210565636U
- Authority
- CN
- China
- Prior art keywords
- card
- elastic
- clamping piece
- bolt
- drop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses an anti-drop bolt, include: the screw sleeve, the movable screw and the elastic clamping piece; the screw sleeve consists of a threaded section and a non-threaded section, and the non-threaded section is provided with a card ejection port matched with the elastic card so that the elastic card can be ejected from the card ejection port; the elastic clamping piece is in threaded connection with the movable screw rod, so that the movable screw rod pushes the elastic clamping piece to slide along the length direction of the thread sleeve pipeline, and the elastic clamping piece and the movable screw rod are detachable; the elastic card is extruded into a V-shaped shape and is not extruded into a straight shape. The utility model discloses an installation and the dismantlement of anti-drop bolt are all very convenient, swift, and the elasticity card locks through increase frictional force or the mode of hanging upside down, can prevent effectively that the swivel nut from droing, can also realize the whole or partial recovery and cyclic utilization of bolt. In addition, the elastic card can also give out a card bar prompt sound and vibration which can be sensed by human bodies to prompt an operator that the bolt is locked or unlocked.
Description
Technical Field
The utility model relates to a mechanical equipment technical field particularly, relates to an anti-drop bolt.
Background
In the field of mechanical technology, a threaded connection is the most common connection mode, and a bolt is one of the most common fasteners, and in practical application, two or more parts needing to be fastened together are generally fastened by using the bolt.
The existing bolt generally comprises a bolt head, a bolt rod and the like, wherein the bolt rod is fixedly connected with the bolt head, and threads are arranged on the bolt rod. In use, the bolt rod passes through the through hole of two or more parts to be fastened together, and the nut is screwed on the thread of the bolt rod, so that the two or more parts to be fastened together are fastened together.
However, when the existing bolt is used, the bolt is often used in environments such as jolting, vibrating and shaking, and due to the influence of shaking, stress and the like, the bolt is loosened slowly after a long time, the nut is loosened and falls off after a long time, connection and fixation failure is caused, the connection device or the assembly is easy to drop, certain potential safety hazards exist, and even safety accidents are serious.
In the face of the problem of loosening and falling of the bolt, an effective technical means is lacked in the prior art. Therefore, the technology for preventing the bolt from loosening and falling off is still in need of further improvement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses an anti-drop bolt, this bolt includes: the screw sleeve (100), the movable screw rod (200) and the elastic clamping piece (300) are arranged in the screw sleeve (100);
the screw sleeve (100) is composed of a threaded section (110) and a non-threaded section (120), and the non-threaded section (120) is provided with a card ejection opening (121) matched with the elastic card (300) so that the elastic card (300) can be ejected from the card ejection opening (121);
the elastic clamping piece (300) is in threaded connection with the movable screw (200), so that the movable screw (200) pushes the elastic clamping piece (300) to slide along the length direction of the pipeline of the screw sleeve (100), and the elastic clamping piece (300) and the movable screw (200) can be detached;
the elastic card (300) is extruded into a V shape and is not extruded into a straight shape.
Optionally, the card ejection opening (121) is provided with a locking prompt slider (130).
Optionally, the card ejection opening (121) is provided with an unlocking prompt slider (140).
Optionally, the locking prompt slider (130) and the unlocking prompt slider (140) are arranged in opposite directions.
Optionally, the card ejection opening (121) is fitted with a dust cap.
Optionally, the card ejection openings (121) are arranged in a plurality and symmetrically distributed.
Optionally, the movable screw (200) is provided with scale marks.
Optionally, the elastic card (300) is elastic metal or plastic.
Compared with the prior art, the utility model discloses an anti-drop bolt's beneficial effect is as follows at least:
1. the utility model discloses an anti-drop bolt's installation and dismantlement are all very convenient, swift.
During installation, the threaded sleeve (100) can be fixed together with a screw hole or a nut and other threads needing to be fixed, the movable screw (200) pushes the elastic card (300) to slide to the card ejection port (121) along the length direction of the pipeline of the threaded sleeve (100), the elastic card (300) can be ejected from the card ejection port (121), the elastic card (300) is locked in a friction force increasing or reverse hanging mode, and the threaded sleeve (100) is effectively prevented from falling off;
when the screw sleeve is disassembled, the movable screw rod (200) is only needed to be pressed to complete unlocking, and then the screw sleeve (100) is rotated to be unscrewed to complete the disassembly.
2. The utility model discloses can realize the whole or partial recovery and cyclic utilization of bolt.
And (3) integral recovery: after the disassembly is finished, the movable screw (200) is continuously pressed until the elastic clamping piece (300) completely slides out of the screw sleeve (100), and then the screw (200) and the elastic clamping piece (300) can be taken out, and the bolt can be reused later;
and (3) partial recovery: the elastic clamping piece (300) is in threaded connection with the movable screw (200) and can be detached, so that the movable screw (200) can be independently recovered, and the production cost is reduced.
3. The card ejection opening (121) is provided with a locking prompt slider (130), when the elastic card (300) slides to the card ejection opening (121), the locking prompt slider (130) can firstly compress the elastic card (300) and then eject from the card ejection opening (121) after the elastic card (300) is pressed, so that a card bar prompt sound and vibration which can be sensed by a human body can be emitted to prompt an operator that the bolt is locked;
the card ejection opening (121) is provided with an unlocking prompt slider (140), when the elastic card (300) slides out of the card ejection opening (121), the unlocking prompt slider (140) firstly presses the elastic card (300) to enable the elastic card (300) to be changed into a V shape from a straight shape, so that a prompt sound of a card bar and vibration which can be felt by a human body can be sent out to prompt an operator that the bolt is unlocked;
the locking prompt slider (130) and the unlocking prompt slider (140) are arranged in opposite directions, so that the prompt sound of the card bar is further increased, and the vibration amplitude sensed by a human body is increased.
4. The card ejection port (121) is matched with a dustproof cap, and has the functions of dust prevention, rust prevention and spiral protection;
the card ejection openings (121) are symmetrically distributed, so that the locking force can be improved, and the bolts can be kept integrally balanced during locking;
the movable screw (200) is provided with scale marks, so that the pushing depth can be prompted, and the convenience and the rapidness are realized;
the elastic card (300) is made of elastic metal or plastic, has wide sources and is beneficial to reducing the preparation cost.
5. The utility model discloses an anti-drop bolt's simple structure, installation and dismantlement are just swift just, not only can effectively prevent not hard up and drop of bolt, but also can realize the whole or partial recovery of bolt, can recycle repeatedly, have gained good comprehensive benefit, can satisfy many-sided demand, thereby make the utility model discloses an anti-drop bolt has more extensive application scope and huge market spreading value more.
The technical features and advantageous technical effects of the present invention will be further explained in the following sections.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a sectional view of an anti-drop bolt according to an embodiment of the present invention;
fig. 2 is a schematic view of a locking operation state of the anti-drop bolt according to the embodiment of the present invention;
fig. 3 is a schematic view of an unlocking operation state of the anti-drop bolt according to the embodiment of the present invention;
fig. 4 is a schematic view of a detached state of the anti-drop bolt according to the embodiment of the present invention.
Reference numerals:
100-thread sleeve, 110-thread section, 120-non-thread section, 121-card ejection port, 130-locking prompt slider, 140-unlocking prompt slider, 200-movable screw and 300-elastic card.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In addition, the embodiments are exemplary only, and are not to be construed as limiting the invention.
The utility model discloses an anti-drop bolt. According to an embodiment of the present invention, as shown in fig. 1, the anti-falling bolt includes a threaded sleeve (100), a movable screw (200) and an elastic clip (300), wherein the movable screw (200) and the elastic clip (300) are both disposed inside the threaded sleeve (100);
as shown in fig. 1, the screw sleeve (100) is composed of a threaded section (110) and an unthreaded section (120), the unthreaded section (120) is provided with a card ejection opening (121) matched with the elastic card (300), and as shown in fig. 2, the elastic card (300) can be ejected from the card ejection opening (121);
as shown in fig. 1, the elastic clamping piece (300) is in threaded connection with the movable screw (200), so that the movable screw (200) can push the elastic clamping piece (300) to slide along the length direction of the pipeline of the screw sleeve (100), and the elastic clamping piece (300) and the movable screw (200) can be detached;
the resilient card (300) is compressed into a "V" shape, as shown in fig. 1, and is not compressed into a "straight" shape, as shown in fig. 2.
According to the utility model discloses an embodiment, the utility model discloses an anti-drop bolt can also be as follows further improve:
(1) the card ejection opening (121) is provided with a locking prompt slider (130).
(2) The card ejection opening (121) is provided with an unlocking prompt slider (140).
(3) The locking prompt sliding block (130) and the unlocking prompt sliding block (140) are arranged in opposite directions.
(4) The card ejection opening (121) is fitted with a dust cap.
(5) The card ejection openings (121) are arranged in a plurality and are symmetrically distributed.
(6) The movable screw rod (200) is provided with scale marks.
(7) The elastic card (300) is elastic metal or plastic.
Of course, the present invention can be utilized with the help of all available prior art, and these changes all fall within the protection scope of the present invention.
The technical principle and the working process of the utility model
1. Mounting of
(1) As shown in fig. 1, the screw sleeve (100) is brought into contact with a screw hole or a nut to be fixed, and after the screw sleeve (100) is screwed, the threaded section (110) through which the screw sleeve (100) passes can be screwed with the screw hole or the nut to be fixed and fixed.
(2) As shown in the direction of an arrow in figure 1, when the movable screw rod (200) is pressed, the movable screw rod (200) can push the elastic card (300) to slide along the length direction of the pipeline of the screw sleeve (100), and at the moment, the elastic card (300) is extruded into a V shape.
(3) As shown in fig. 2, when the elastic card (300) slides along the screw sleeve (100) to the position of the card ejection opening (121), the elastic card (300) can be ejected from the card ejection opening (121), at this time, the elastic card (300) is not extruded into a shape like a Chinese character 'yi', and the elastic card (300) can be locked by the following two action modes to prevent the screw sleeve (100) from loosening and falling off:
first, friction is increased to prevent falling off. The elastic clamping piece (300) can tightly abut against the inner walls of the screw hole or the nut and the like to be fixed, so that the friction force is increased, and the aim of preventing the screw sleeve (100) from loosening and falling off is fulfilled;
and secondly, the falling-off is prevented by hanging the hook upside down. The elastic clamping piece (300) can be hung upside down on a screw hole or a nut and the like which need to be fixed, so that the aim of preventing the screw sleeve (100) from loosening and falling off is fulfilled.
And is disassembled
Optionally, if the bolt needs to be detached, as shown by an arrow in fig. 3, the movable screw (200) is continuously pressed, at this time, the elastic clamping piece (300) is extruded into a V shape, and the movable screw (200) can push the elastic clamping piece (300) to continuously slide along the length direction of the pipeline of the screw sleeve (100), so that the elastic clamping piece (300) leaves the clamping piece ejection opening (121), and unlocking is completed;
after the screw sleeve (100) is unscrewed by rotation, the thread section (110) of the screw sleeve (100) can be separated from a screw hole or a nut and the like to be fixed, and the disassembly is finished.
And recycled and reused
(1) And (3) partial recovery:
because threaded connection is used between the elastic clamping piece (300) and the movable screw (200), the movable screw (200) can not only push the elastic clamping piece (300) to slide, but also can be detached between the movable screw (200) and the elastic clamping piece (300), so that the movable screw (200) can be recovered independently, and the production cost is reduced.
(2) And (3) integral recovery:
if the bolt needs to be integrally recovered and recycled, after the disassembly is completed, as shown by an arrow in fig. 4, the movable screw (200) is continuously pressed, the movable screw (200) can push the elastic card (300) to continuously slide along the length direction of the pipeline of the screw sleeve (100) until the elastic card (300) completely slides out of the screw sleeve (100), and then the screw (200) and the elastic card (300) can be taken out, so that the bolt can be reused later.
The beneficial technical effects of the utility model
1. The utility model discloses an anti-drop bolt's installation and dismantlement are all very convenient, swift.
During installation, the threaded sleeve (100) can be fixed together with a screw hole or a nut and other threads needing to be fixed, the movable screw (200) pushes the elastic card (300) to slide to the card ejection port (121) along the length direction of the pipeline of the threaded sleeve (100), the elastic card (300) can be ejected from the card ejection port (121), the elastic card (300) is locked in a friction force increasing or reverse hanging mode, and the threaded sleeve (100) is effectively prevented from falling off;
when the screw sleeve is disassembled, the movable screw rod (200) is only needed to be pressed to complete unlocking, and then the screw sleeve (100) is rotated to be unscrewed to complete the disassembly.
2. The utility model discloses can realize the whole or partial recovery and cyclic utilization of bolt.
And (3) integral recovery: after the disassembly is finished, the movable screw (200) is continuously pressed until the elastic clamping piece (300) completely slides out of the screw sleeve (100), and then the screw (200) and the elastic clamping piece (300) can be taken out, and the bolt can be reused later;
and (3) partial recovery: the elastic clamping piece (300) is in threaded connection with the movable screw (200) and can be detached, so that the movable screw (200) can be independently recovered, and the production cost is reduced.
3. The card ejection opening (121) is provided with a locking prompt slider (130), when the elastic card (300) slides to the card ejection opening (121), the locking prompt slider (130) can firstly compress the elastic card (300) and then eject from the card ejection opening (121) after the elastic card (300) is pressed, so that a card bar prompt sound and vibration which can be sensed by a human body can be emitted to prompt an operator that the bolt is locked;
similarly, the card ejection opening (121) is provided with an unlocking prompt slider (140), when the elastic card (300) slides out of the card ejection opening (121), the unlocking prompt slider (140) firstly presses the elastic card (300) to change the shape of the elastic card (300) from a straight shape to a V shape, so that a prompt sound of a card bar and vibration sensed by a human body can be sent out to prompt an operator that the bolt is unlocked;
the locking prompt slider (130) and the unlocking prompt slider (140) are arranged in opposite directions, so that the prompt sound of the card bar is further increased, and the vibration amplitude sensed by a human body is increased.
4. The card ejection port (121) is matched with a dustproof cap, and has the functions of dust prevention, rust prevention and spiral protection;
the card ejection openings (121) are symmetrically distributed, so that the locking force can be improved, and the bolts can be kept integrally balanced during locking;
the movable screw (200) is provided with scale marks, so that the pushing depth can be prompted, and the convenience and the rapidness are realized;
the elastic card (300) is made of elastic metal or plastic, has wide sources and is beneficial to reducing the preparation cost.
5. The utility model discloses an anti-drop bolt's simple structure, installation and dismantlement are just swift just, not only can effectively prevent not hard up and drop of bolt, but also can realize the whole or partial recovery of bolt, can recycle repeatedly, have gained good comprehensive benefit, can satisfy many-sided demand, thereby make the utility model discloses an anti-drop bolt has more extensive application scope and huge market spreading value more.
It should be specifically noted that technical features and advantages which are known in the prior art or already described are easily understood by those skilled in the art and are not described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A drop-preventing bolt, characterized in that it comprises: the screw sleeve (100), the movable screw rod (200) and the elastic clamping piece (300) are arranged in the screw sleeve (100);
the thread insert (100) is composed of a threaded section (110) and an unthreaded section (120), and the unthreaded section (120) is provided with a card ejection opening (121) matched with the elastic card (300) so that the elastic card (300) can be ejected from the card ejection opening (121);
the elastic clamping piece (300) is in threaded connection with the movable screw (200), so that the movable screw (200) pushes the elastic clamping piece (300) to slide along the length direction of the pipeline of the screw sleeve (100), and the elastic clamping piece (300) and the movable screw (200) can be detached;
the elastic card (300) is extruded into a V shape and is not extruded into a straight shape.
2. The drop-preventing bolt according to claim 1, wherein the card ejection opening (121) is provided with a locking prompt slider (130).
3. The drop-preventing bolt according to claim 2, wherein the card ejection opening (121) is provided with an unlocking prompt slider (140).
4. The anti-drop bolt according to claim 3, wherein the locking prompt slider (130) and the unlocking prompt slider (140) are both disposed in opposite directions.
5. The drop-preventing bolt according to claim 1, wherein the card ejection port (121) is fitted with a dust cap.
6. A drop bolt according to any one of claims 1-5, wherein the card ejection opening (121) is provided in plurality and symmetrically distributed.
7. The drop-preventing bolt according to claim 6, wherein the movable screw (200) is provided with scale marks.
8. The drop-preventing bolt according to claim 6, wherein the elastic clamp (300) is elastic metal or plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157864.9U CN210565636U (en) | 2019-07-23 | 2019-07-23 | Anti-drop bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157864.9U CN210565636U (en) | 2019-07-23 | 2019-07-23 | Anti-drop bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565636U true CN210565636U (en) | 2020-05-19 |
Family
ID=70630507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921157864.9U Active CN210565636U (en) | 2019-07-23 | 2019-07-23 | Anti-drop bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565636U (en) |
-
2019
- 2019-07-23 CN CN201921157864.9U patent/CN210565636U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210565636U (en) | Anti-drop bolt | |
| CN201934477U (en) | Anti-vibration and anti-falling fastener | |
| CN210715518U (en) | Screw with high fastening performance | |
| CN209569255U (en) | Stop screw component and fastening structure including the component | |
| CN208885743U (en) | A kind of bolt | |
| CN108999871A (en) | It is a kind of to expand locking anti-theft bolt | |
| CN206134194U (en) | Printable flex advertisement stand convenient to dismouting stable in structure | |
| CN213575084U (en) | Screw with good fastening effect | |
| CN215333909U (en) | Novel anti-drop bolt structure | |
| CN210118332U (en) | Anti-drop bolt | |
| CN210461354U (en) | Novel connecting bolt | |
| CN216812457U (en) | Stainless steel fastener with excellent reinforcing effect | |
| CN208702868U (en) | A kind of fastener | |
| CN211850984U (en) | Safety knot hook for fixing plain net | |
| CN106112891A (en) | A kind of polytypic spanner being easy to storage | |
| CN217539280U (en) | Novel bolt with elastic limit | |
| AU2017101751A4 (en) | Quick-Release Structure For a Grease Gun | |
| CN108844403B (en) | Quick clamping support with improved structure on sighting telescope | |
| CN219774580U (en) | Anti-loose screw | |
| EP1653090A2 (en) | Device and clamp for coupling elements to guide rails | |
| CN214742853U (en) | Engine and generator connecting structure easy to assemble and disassemble | |
| CN109483478A (en) | A kind of screw withdrawing device | |
| CN215155386U (en) | Novel bicycle stem | |
| CN210849187U (en) | A closing device for short section of thick bamboo part of irregular outward appearance | |
| CN220791715U (en) | Built-in fitting bolt stable in connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |