CN219975107U - Bolt sleeve with anti-loosening function - Google Patents
Bolt sleeve with anti-loosening function Download PDFInfo
- Publication number
- CN219975107U CN219975107U CN202321533981.7U CN202321533981U CN219975107U CN 219975107 U CN219975107 U CN 219975107U CN 202321533981 U CN202321533981 U CN 202321533981U CN 219975107 U CN219975107 U CN 219975107U
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- CN
- China
- Prior art keywords
- sleeve
- bolt
- limiting
- elastic
- blank holder
- 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.)
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Links
- 230000035939 shock Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 230000005489 elastic deformation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model relates to the field of fasteners and provides a bolt sleeve with a locking function, which comprises a sleeve and an elastic blank holder connected to the end part of the sleeve; the sleeve is used for allowing a stud of a bolt to pass through, at least one limiting part is arranged on the outer periphery side of the sleeve, and the limiting part is used for limiting the sleeve to rotate relative to equipment; when the bolt is fastened, the elastic pressing edge is elastically deformed. Based on this, utilize the elastic deformation of elasticity blank holder, force the screw tooth of double-screw bolt and nut to support each other tightly, realize the locking effect of bolt, utilize spacing portion to make the sleeve card in the hole on equipment simultaneously, firm telescopic position improves the elasticity blank holder and removes and scrape the problem of colored equipment outward appearance, when realizing the bolt locking, compromise the convenience of structure installation.
Description
Technical Field
The utility model relates to the field of fasteners, in particular to a bolt sleeve with a locking function.
Background
The connection and fixation of mechanical devices are various, and the connection and fixation by bolts is one of them. In order to enable the equipment to be well connected, the spring pad is sleeved on the stud of the bolt when the bolt is fixed, the stud penetrates through the hole of the equipment, the nut is sleeved on the stud and rotated, and the anti-loosening performance of the bolt is improved by the aid of the reaction force of the spring pad. However, when the bolt is screwed, the spring pad is easy to rotate along with the bolt, so that the paint layer on the surface of the equipment is scraped and rubbed by the spring pad to be peeled off, and the appearance of the equipment is scraped. In order not to damage the appearance of the equipment, a flat pad and other structures are usually used between the spring pad and the equipment, the spring pad and the flat pad are placed in sequence, and meanwhile, when protective tools such as gloves are worn, the spring pad and the flat pad are inconvenient to pick up, and the anti-loosening structure of the mounting bolt is troublesome.
Disclosure of Invention
In order to realize the anti-loosening of the bolt and simultaneously achieve the convenience of structural installation, the utility model provides the bolt sleeve with the anti-loosening function.
The utility model provides a bolt sleeve with a locking function, which adopts the following technical scheme:
a bolt sleeve with a locking function comprises a sleeve and an elastic blank holder connected to the end part of the sleeve; the sleeve is used for allowing a stud of a bolt to pass through, at least one limiting part is arranged on the outer periphery side of the sleeve, and the limiting part is used for limiting the sleeve to rotate relative to equipment; when the bolt is fastened, the elastic pressing edge is elastically deformed.
Through adopting above-mentioned technical scheme, when the fastening bolt equipment is needed, insert the sleeve earlier and locate in the hole of equipment, utilize spacing portion firm sleeve in the position on equipment, then pass the sleeve with the double-screw bolt of bolt, overlap the nut of bolt on the double-screw bolt and rotate again, when fastening the bolt, elasticity blank pressing will take place elastic deformation. Through the elastic deformation of elasticity blank holder, force the screw thread of double-screw bolt and nut to support each other tightly, further, utilize spacing portion to make the sleeve card in the hole on equipment, firm telescopic position, thereby indirectly firm elasticity blank holder's position, when the screw bolt is being rotated, improve elasticity blank holder and remove and scrape the problem of colored equipment outward appearance, and compare in traditional flat pad, even when wearing protective gear such as gloves, also more easily take the sleeve, the locking structure of installation of being convenient for, thereby when realizing that the bolt is locking, compromise the convenience of structural installation.
Optionally, the spacing portion includes along the bead that sleeve axial extension set up, the both ends of bead all are provided with the chamfer.
Through adopting above-mentioned technical scheme, utilize the bead that has the chamfer, make the sleeve can block in the hole of equipment, make transition fit between sleeve and the equipment, at bolt pivoted in-process, reduce the risk of elasticity blank pressing scratch equipment outward appearance.
Optionally, the limiting part comprises a deformation strip and a limiting bump; the periphery of the sleeve is provided with a deformation groove in a penetrating way, and the deformation strip is positioned in the deformation groove; the limiting salient points are arranged on the surface of the deformation strip, which is away from the inner cavity of the sleeve; when the stud of the bolt passes through the sleeve, the stud forces the deformation strip to elastically deform, and the limit protruding point is propped away from the axis of the sleeve.
By adopting the technical scheme, the sleeve is convenient to plug into the hole of the equipment, and after the sleeve is installed in place, when the stud passes through the sleeve, the stud can force the limiting protruding point to abut against the hole wall of the equipment, so that the position of the sleeve is fixed. Utilize deformation strip and spacing bump, the installation in the earlier stage of sleeve and the dismantlement in later stage of being convenient for improve the dismouting efficiency of locking structure.
Optionally, the edge of the elastic pressing edge is provided with a flexible sealing edge.
By adopting the technical scheme, the risk of the appearance of the shaving equipment when the elastic blank holder moves is further reduced.
Optionally, the elastic pressing edge and the flexible sealing edge are both arranged along the circumferential extension of the sleeve.
By adopting the technical scheme, the contact surface between the flexible blank holder and the equipment is increased, and stress concentration is reduced, so that the risk of the appearance of the shaving equipment when the elastic blank holder moves is further reduced.
Optionally, the elastic pressing edge is provided with a shock absorbing ring, and the shock absorbing ring is used for being abutted by the head of the bolt or the nut.
Through adopting above-mentioned technical scheme, inhale the introduction of shake circle, when equipment vibrations, further reduce the bolt and become flexible, the nut moves back the risk of detaining.
Optionally, a ring groove is formed in the surface of the elastic pressing edge, and the shock absorbing ring is inserted into the ring groove.
Through adopting above-mentioned technical scheme, on the one hand, be convenient for inhale the connection of shake circle and elasticity blank holder, on the other hand, when rotating bolt or nut, make the power that elasticity blank holder removed change into inhale the driving force that shake the circle and remove in the annular to further reduce the risk of elasticity blank holder and scrape the flower equipment outward appearance.
Optionally, the limiting groove has been seted up to the inside wall of annular, the limiting groove is followed telescopic circumference extends and sets up, the lateral wall of shock absorbing circle is provided with the convex part, the convex part slide connect in the limiting groove.
Through adopting above-mentioned technical scheme, reduce and inhale the risk that shake the circle breaks away from elasticity blank holder in the transportation, improve and inhale the connection stability of shake circle and elasticity blank holder.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the elastic deformation of the elastic pressing edge forces the screw teeth of the stud and the nut to be mutually abutted, and further, the position of the sleeve is stabilized by utilizing the limiting part, so that the position of the elastic pressing edge is indirectly stabilized, the problem that the elastic pressing edge moves to scrape the appearance of the equipment is solved when the bolt is screwed, and compared with a traditional flat pad, the sleeve is easier to take even when protective tools such as gloves are worn, the anti-loosening structure is convenient to install, and the convenience of structural installation is also realized when the bolt is anti-loosening;
2. the risk of the appearance of the shaving equipment when the elastic blank holder moves is further reduced through the flexible edge sealing;
3. through inhaling the circle that shakes, when equipment shakes, further reduce the bolt and become flexible, the nut moves back the risk of detaining to when the rotation bolt, through the annular, inhale the circle and can also unload the power to elasticity blank holder, make the power that elasticity blank holder removed change into the driving force that inhales the circle and remove in the annular, thereby further reduce the risk of elasticity blank holder and scratch the appearance of equipment.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1.
Fig. 2 is a schematic view for showing a state in which the entire structure of embodiment 1 is mounted on an apparatus.
Fig. 3 is a schematic overall structure of embodiment 2.
Fig. 4 is a schematic overall structure of embodiment 3.
Fig. 5 is a schematic view for showing a state in which the shock absorbing ring of embodiment 3 is separated from the elastic bead.
Reference numerals illustrate: 1. a sleeve; 11. a deformation groove; 2. elastic edge pressing; 21. a ring groove; 22. a limit groove; 3. a limit part; 31. a rib; 32. a deformation strip; 33. limiting protruding points; 4. flexible edge sealing; 5. a shock absorbing ring; 51. a convex part.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-5.
The embodiment of the utility model discloses a bolt sleeve with a locking function.
Example 1
Referring to fig. 1 and 2, a bolt housing having a locking function includes a sleeve 1 and an elastic press edge 2 connected to an end of the sleeve 1, the sleeve 1 being for a stud of a bolt to pass through, and at least one limiting portion 3 being provided at an outer circumferential side of the sleeve 1. When the fastening bolt is used, the sleeve 1 is clamped in a hole on the device by the limiting part 3, the sleeve 1 is firmly positioned on the device, then the bolt is screwed, and the elastic pressing edge 2 is elastically deformed between the bolt and the device, so that the screw teeth of the screw bolt and the screw nut of the bolt are mutually abutted tightly, and the anti-loosening performance of the bolt is realized.
Specifically, the elastic bead 2 is disposed to extend along the circumferential direction of the sleeve 1, and it is understood that the elastic bead 2 is a bowl-shaped gasket coaxially fixed to the end of the sleeve 1. Furthermore, it should be noted that the elastic pressing edge 2 may be abutted against a head of a bolt or abutted against a nut, so long as the elastic pressing edge 2 is forced to deform during the process of screwing the bolt, and the utility model is not limited thereto.
The spacing portion 3 includes the bead 31 that extends along sleeve 1 axial and sets up, and the both ends of bead 31 all are provided with the chamfer, through the chamfer, in the hole of equipment is plugged into to sleeve 1 that is convenient for have bead 31, makes transition fit between sleeve 1 and the equipment. When the number of the limiting parts 3 is greater than or equal to two, the plurality of limiting parts 3 are arranged at intervals along the circumferential direction of the sleeve 1.
The implementation principle of the embodiment 1 is as follows: the elastic deformation of the elastic pressing edge 2 forces the screw teeth of the screw bolt and the screw nut to mutually abut against, so that the anti-loosening performance during fastening the screw bolt is realized. Furthermore, the position of the sleeve 1 is stabilized by the limiting part 3, so that the position of the elastic pressing edge 2 is indirectly stabilized, and the problem that the elastic pressing edge 2 moves to scratch the appearance of the equipment is solved when the bolt is screwed. And even when wearing protective equipment such as gloves, also more easily take this locking structure, realize that the bolt is locking, compromise the convenience of structure installation.
Example 2
Referring to fig. 3, the present embodiment is different from embodiment 1 in that the limiting portion 3 includes a deformation bar 32 and a limiting bump 33, the deformation groove 11 is formed on the circumferential side of the sleeve 1 in a penetrating manner, and the deformation bar 32 is located in the deformation groove 11. The limit protruding points 33 are arranged on the surface of the deformation strip 32, which is away from the inner cavity of the sleeve 1. It will be appreciated that in the normal state (the stud has not passed through the sleeve 1) the deformed strip 32 is curved into an arc towards the interior cavity of the sleeve 1. When the stud of the bolt passes through the sleeve 1, the stud forces the deformation strip 32 to elastically deform, and pushes the limit bump 33 away from the axis of the sleeve 1.
The implementation principle of the embodiment 2 is as follows: when the bolt equipment is required to be fastened, the sleeve 1 is inserted into a hole of the equipment, the elastic pressing edge 2 is abutted against the surface of the equipment, then the stud penetrates through the sleeve 1, and the stud forces the limit protruding point 33 to be abutted against the hole wall of the equipment, so that the position of the sleeve 1 on the equipment is fixed. Utilize deformation strip 32 and spacing bump 33, be convenient for sleeve 1 earlier stage installation and later stage dismantlement equipment on equipment, improve the dismouting efficiency of locking structure.
Example 3
Referring to fig. 4, this embodiment is different from embodiment 1 in that the edge of the elastic crimp 2 is provided with a flexible sealing edge 4, the flexible sealing edge 4 being arranged extending in the circumferential direction of the sleeve 1. The flexible sealing edge 4 may be made of epoxy resin or rubber, which is not limited to this.
Referring to fig. 5, the surface of the elastic blank holder 2 is provided with a ring groove 21, and the ring groove 21 is coaxially arranged with the sleeve 1. The limiting groove 22 is formed in the inner side wall of the annular groove 21, and the limiting groove 22 extends along the circumferential direction of the sleeve 1. The elastic pressing edge 2 is provided with a shock absorbing ring 5 inserted in the annular groove 21, the side wall of the shock absorbing ring 5 is integrally formed with a convex part 51, and the convex part 51 is connected in the limiting groove 22 in a sliding manner along the circumferential direction of the annular groove 21. The surface of the shock absorbing ring 5 is provided with a lubricant to reduce the rotational resistance of the shock absorbing ring 5 in the ring groove 21.
It should be noted that the shock absorbing ring 5 may be used for abutting the head of the bolt or the nut, and the utility model is not limited thereto. When the bolt or the nut is screwed, the shock absorbing ring 5 rotates in the annular groove 21, so that the force of the movement of the elastic blank holder 2 is converted into the driving force of the movement of the shock absorbing ring 5 in the annular groove 21, and the flexible edge sealing 4 is matched, so that the risk of the appearance of the elastic blank holder 2 shaving equipment is further reduced.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a bolt cover with locking function which characterized in that: comprises a sleeve (1) and an elastic blank holder (2) connected with the end part of the sleeve (1); the sleeve (1) is used for allowing a stud of a bolt to pass through, at least one limiting part (3) is arranged on the outer periphery side of the sleeve (1), and the limiting part (3) is used for limiting the sleeve (1) to rotate relative to equipment; when the bolt is fastened, the elastic pressing edge (2) deforms elastically.
2. A bolt housing with anti-loosening function according to claim 1, wherein: the limiting part (3) comprises a convex rib (31) which extends axially along the sleeve (1), and chamfer angles are arranged at two ends of the convex rib (31).
3. A bolt housing with anti-loosening function according to claim 1, wherein: the limiting part (3) comprises a deformation strip (32) and limiting protruding points (33); a deformation groove (11) is formed in the peripheral side of the sleeve (1) in a penetrating manner, and the deformation strip (32) is positioned in the deformation groove (11); the limiting protruding points (33) are arranged on the surface, deviating from the inner cavity of the sleeve (1), of the deformation strip (32); when the stud of the bolt passes through the sleeve (1), the stud forces the deformation strip (32) to elastically deform, and the limit protruding point (33) is propped away from the axle center of the sleeve (1).
4. A bolt housing having a locking function according to any one of claims 1 to 3, characterized in that: the edge of the elastic pressing edge (2) is provided with a flexible sealing edge (4).
5. The bolt housing with anti-loosening function as claimed in claim 4, wherein: the elastic blank holder (2) and the flexible sealing edge (4) are arranged along the circumferential extension of the sleeve (1).
6. A bolt housing with anti-loosening function according to claim 1, wherein: the elastic pressing edge (2) is provided with a shock absorbing ring (5), and the shock absorbing ring (5) is used for being abutted by the head of a bolt or a nut.
7. The bolt housing with anti-loosening function as claimed in claim 6, wherein: the surface of the elastic blank holder (2) is provided with a ring groove (21), and the shock absorbing ring (5) is inserted into the ring groove (21).
8. The bolt housing with anti-loosening function as claimed in claim 7, wherein: the inner side wall of the ring groove (21) is provided with a limit groove (22), the limit groove (22) extends along the circumferential direction of the sleeve (1), the side wall of the shock absorbing ring (5) is provided with a convex part (51), and the convex part (51) is connected in the limit groove (22) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321533981.7U CN219975107U (en) | 2023-06-15 | 2023-06-15 | Bolt sleeve with anti-loosening function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321533981.7U CN219975107U (en) | 2023-06-15 | 2023-06-15 | Bolt sleeve with anti-loosening function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975107U true CN219975107U (en) | 2023-11-07 |
Family
ID=88594241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321533981.7U Active CN219975107U (en) | 2023-06-15 | 2023-06-15 | Bolt sleeve with anti-loosening function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975107U (en) |
-
2023
- 2023-06-15 CN CN202321533981.7U patent/CN219975107U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |