CN211874154U - Locking device - Google Patents
Locking device Download PDFInfo
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- CN211874154U CN211874154U CN202020356932.0U CN202020356932U CN211874154U CN 211874154 U CN211874154 U CN 211874154U CN 202020356932 U CN202020356932 U CN 202020356932U CN 211874154 U CN211874154 U CN 211874154U
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- friction welding
- casing
- actuating rod
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Abstract
The utility model belongs to the technical field of the fastener, it discloses a fastener, including the casing, set up the shutting unit in the casing, the shutting unit includes the actuating lever, still includes the ripple sleeve pipe, be equipped with cyclic annular platform on the casing, the actuating lever runs through cyclic annular platform and extends to the casing outside; one end of the corrugated sleeve is hermetically connected with the free end of the actuating rod; the other end of the corrugated sleeve is hermetically connected with the annular table; the corrugated sleeve and the annular table are in sealing connection through a plurality of pairs of first annular grooves and first annular bulges which are in sealing fit with each other. The locking device effectively improves the sealing performance, thereby strengthening the waterproof and dustproof performance of the locking device and prolonging the service life of the locking device.
Description
Technical Field
The utility model relates to a in fastener technical field, specifically be a fastener.
Background
The applicant, Jiangsu Haoyue automobile lock company Limited, proposed a utility model patent publication No. CN02467400U in 2012, which discloses an automobile middle door fastener, comprising a bottom shell, a worm and a sliding rod, wherein a linear speed sealing rubber ring is arranged on the upper part of the wall of the bottom shell, a circuit board is sleeved in the bottom shell, and a motor is arranged on the circuit board; the motor is sequentially provided with a worm spring, a worm and a worm gasket, the worm is meshed with a worm wheel in a duplicate gear, a pinion in the duplicate gear is meshed with a transmission gear, the transmission gear is sleeved on a cylinder of the bottom shell, a transmission gear conical block and two transmission gear contact pressure springs are arranged below the transmission gear, the transmission gear conical block pressure spring and the transmission gear conical block gasket are sequentially arranged below the transmission gear conical block, a transmission gear circuit contact is arranged below the transmission gear contact pressure spring, a sliding rod is sleeved on a round platform above the transmission gear, and the small end of the sliding rod is provided with a protective.
In practice, the locking device is arranged in the vehicle door and is an important component of the vehicle door lock. The controller sends a signal to drive the motor to rotate, the motor drives the gear to rotate, and the rotation of the gear is converted into the telescopic motion of the actuator through the matching of the screw rod and the nut. The fastener is arranged in a vehicle door, the fastener inevitably moves along with the vehicle door, when the vehicle door is opened and closed in various environments, the fastener can cause the situations of water inflow, dust accumulation and the like, and the fastener can affect the work of the fastener and influence the service life of the fastener in the long-term past.
Therefore, the technical problem to be solved by the application is as follows: how to improve the sealing performance of the fastener, thereby improving the waterproof and dustproof performance of the fastener and ensuring the normal operation of the fastener.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fastener, this fastener has improved its sealing performance effectively to strengthened the waterproof dustproof performance of fastener has prolonged the life of fastener.
In order to achieve the above object, the utility model provides a following technical scheme: a locking device comprises a shell and a locking unit arranged in the shell, wherein the locking unit comprises an actuating rod and a corrugated sleeve, an annular table is arranged on the shell, and the actuating rod penetrates through the annular table and extends to the outer side of the shell; one end of the corrugated sleeve is hermetically connected with the free end of the actuating rod; the other end of the corrugated sleeve is hermetically connected with the annular table;
the corrugated sleeve and the annular table are in sealing connection through a plurality of pairs of first annular grooves and first annular bulges which are in sealing fit with each other.
In the fastener, the corrugated sleeve and the annular table are in sealing connection through three pairs of first annular grooves and first annular bulges which are arranged in sequence and are in sealing fit with each other.
In the above-described latch, the outer side of the annular table is provided with 2 first annular projections and a first annular groove between the two first annular projections.
In the above-described closure, the bellows sleeve is tapered.
In the above-mentioned fastener, the bellows sleeve and the free end of the actuating rod are sealingly connected by a plurality of pairs of mutually sealingly cooperating second annular grooves and second annular projections.
In the fastener, the bellows sleeve and the free end of the actuating rod are connected in a sealing manner through three pairs of second annular grooves and second annular bulges which are sequentially arranged and are in sealing fit with each other, and the free end of the actuating rod is provided with 2 second annular grooves and second annular bulges positioned between the two second annular grooves.
In the above locking device, the locking unit further includes a driving module for driving the actuating rod to operate, the housing is provided with a line hole for passing a power supply line electrically connected to the driving module, the line hole is provided with an installation block, and the installation block is provided with an installation hole for passing the power supply line;
the circuit hole is connected with the mounting block through a plurality of pairs of third annular grooves and third annular bulges which are sequentially arranged and connected in a sealing manner.
In the above-mentioned fastener, the housing includes an upper housing and a lower housing, the upper housing and the lower housing are connected by a first connecting unit, the first connecting unit includes a friction welding groove provided on an edge of the lower housing and a friction welding rod provided on an edge of the upper housing and adapted to the friction welding groove, or the friction welding rod provided on an edge of the lower housing and the friction welding groove provided on the upper housing;
the upper shell and the lower shell are connected in a friction welding mode through friction welding to enable the friction welding rod and the friction welding groove to be in a welding connection mode to form an integrated structure.
In the above locking device, a second connection unit is further disposed between the upper casing and the lower casing, and the second connection unit includes a sealing groove disposed at an edge of the upper casing and a sealing bead disposed on the lower casing, or a sealing groove disposed at an edge of the lower casing and a sealing bead disposed on the upper casing;
be equipped with the sealing strip in the seal groove, when last casing and inferior valve body coupling, the sealing layering compresses tightly the sealing strip in the seal groove.
In this scheme, the utility model patent that this department applied earlier can be referred to drive module: patent No. CN201220655757.0, a locking device and an electric door lock using the same.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a corrugated sleeve's setting makes the free end of actuating lever and casing sealing connection, improves the leakproofness that corrugated sleeve is connected with casing, actuating lever through first annular arch and the cooperation of first annular recess, second annular arch and the cooperation of second annular recess, has strengthened effectively the dustproof waterproof performance of fastener in corrugated sleeve department;
the third annular bulge and the third annular groove are matched to form a multi-layer waterproof and dustproof isolating layer, so that the connection tightness between the line hole and the mounting block is ensured;
the fastener effectively improves the overall sealing performance of the fastener, strengthens the waterproof and dustproof performance of the fastener and prolongs the service life of the fastener through the matching of the first annular bulge and the first annular groove, the matching of the second annular bulge and the second annular groove, the matching of the third annular bulge and the third annular groove, the arrangement of the first connecting unit and the arrangement of the second connecting unit.
Drawings
Fig. 1 is a perspective view of embodiment 1 of the present invention;
fig. 2 is a perspective view of a bellows bushing of embodiment 1 of the present invention with the bellows bushing removed;
fig. 3 is a sectional view of a bellows sleeve according to embodiment 1 of the present invention;
fig. 4 is an exploded view of embodiment 1 of the present invention with the drive module removed;
fig. 5 is an exploded view of the drive module of embodiment 1 of the present invention from another angle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, a locking device includes a housing 1, a locking unit 2 disposed in the housing 1, the locking unit 2 including an actuating rod 21 and a corrugated sleeve 22, the housing 1 being provided with an annular platform 11, the actuating rod 21 penetrating the annular platform 11 and extending to the outside of the housing 1; one end of the corrugated sleeve 22 is connected with the free end of the actuating rod 21 in a sealing way; the other end of the corrugated sleeve 22 is hermetically connected with the annular table 11;
in practical application, the operation of the fastener is realized through the telescopic motion of the actuating rod 21, and the premise that the actuating rod 21 realizes the telescopic motion is that a gap for realizing the relative motion of the actuating rod 21 is arranged between the actuating rod 21 and the annular table 11, but the existence of the gap reduces the waterproof and dustproof performance of the fastener; the bellows sleeve 22 is arranged to effectively improve the sealing performance at the actuating rod 21, the bellows sleeve 22 is generally arranged in the prior art, and in order to further enhance the improvement of the sealing performance of the fastener by the bellows sleeve 22, referring to fig. 2 to 3, the bellows sleeve 22 and the annular table 11 are in sealing connection through a plurality of pairs of first annular grooves 3 and first annular protrusions 4 which are in sealing fit with each other.
The number of the first annular grooves 3 and the first annular protrusions 4 which are in sealing fit with each other can be 2 pairs, 3 pairs or more, the present embodiment does not limit this, the more the number of the first annular grooves 3 and the first annular protrusions 4 are, the more the waterproof and dustproof isolation layers formed by the first annular grooves 3 and the first annular protrusions 4 are, the better the sealing performance is, and preferably, the corrugated sleeve 22 and the annular table 11 are in sealing connection through three pairs of the first annular grooves 3 and the first annular protrusions 4 which are sequentially arranged and in sealing fit with each other. The advantage is that the number is moderate, which effectively improves the sealing performance of the connection between the corrugated sleeve 22 and the annular table 11, and at the same time, the corrugated sleeve is easy to process and occupies a small space.
As a specific implementation of the preferred embodiment, the outer side of the annular table 11 is provided with 2 first annular protrusions 4 and a first annular groove 3 located between the two first annular protrusions 4.
Specifically, 2 first annular grooves 3 are formed in one end of the corrugated sleeve 22 connected with the annular table 11, and the first annular protrusions 4 are formed between the 2 first annular grooves 3; the bellows sleeve 22 and the annular table 11 form 3 pairs of connection structures by the cooperation of the first annular groove 3 and the first annular protrusion 4, which effectively improves the sealing performance of the connection of the bellows sleeve 22 and the annular table 11.
This embodiment does not exclude the bellows sleeve 22 being cylindrical or having another shape, and in this embodiment, the bellows sleeve 22 is tapered, which is advantageous in that the cross-sectional area of the free end of the actuating rod 21 in the vertical plane is smaller than the cross-sectional area of the annular table 11 in the horizontal plane, and when the bellows sleeve 22 connects the two, the size of the two ends is matched with the size of the actuating rod 21 and the size of the annular table 11, so that the material of the bellows sleeve 22 is reduced, and the structure of the lock is more compact.
Preferably, the bellows sleeve 22 and the free end of the actuating rod 21 are sealingly connected by a plurality of pairs of mutually sealingly cooperating second annular grooves 5 and second annular ridges 6.
As a specific implementation of the preferred embodiment of the present invention, the bellows sleeve 22 is connected to the free end of the actuating rod 21 in a sealing manner through three pairs of second annular grooves 5 and second annular protrusions 6, which are sequentially arranged and are in sealing fit with each other, the free end of the actuating rod 21 is provided with 2 second annular grooves 5 and second annular protrusions 6 located between the two second annular grooves 5, and the bellows sleeve 22 is provided with 2 second annular protrusions 6 adapted to the second annular grooves 5 on the actuating rod 21 and second annular grooves 5 adapted to the second annular protrusions 6 on the actuating rod 21.
In particular, the present embodiment does not limit the number of pairs of the second annular groove 5 and the second annular projection 6 between the bellows sleeve 22 and the free end of the actuating rod 21.
In this embodiment, referring to fig. 4 to 5, the locking unit 2 further includes a driving module for driving the actuating rod 21 to operate, a line hole 7 for a power supply line electrically connected to the driving module to pass through is formed in the housing 1, an installation block 71 is arranged on the line hole 7, and an installation hole 72 for the power supply line to pass through is formed in the installation block 71;
generally, the fastener drives the actuating rod 21 to perform telescopic motion through a driving module, the driving module uses electricity as a driving source, the driving module is connected with an external power supply device through a power supply line passing through the line hole 7 so as to realize power supply of the driving module, in order to enhance the tightness between the line hole 7 and the power supply line, preferably, a mounting block 71 is arranged on the line hole 7, the power supply line is arranged on a mounting hole 72 of the mounting block 71, and the line hole 7 and the mounting block 71 are hermetically connected through a plurality of pairs of third annular grooves 73 and third annular protrusions 74 which are sequentially arranged and hermetically connected.
Specifically, the number of pairs of the third annular groove 73 and the third annular protrusion 74 is not limited in this embodiment, and the more the number of pairs, the larger the occupied space, the better the sealing performance, and the number of pairs depends on the sealing effect required.
In the present embodiment, referring to fig. 4 to 5, the housing 1 includes an upper housing 12 and a lower housing 13, the upper housing 12 and the lower housing 13 are connected by a first connecting unit 8, the first connecting unit 8 includes a friction welding groove 81 disposed on the edge of the lower housing 13 and a friction welding rod 82 disposed on the edge of the upper housing 12 and adapted to the friction welding groove 81, or the friction welding rod 82 disposed on the edge of the lower housing 13 and the friction welding groove 81 disposed on the upper housing 12;
the upper shell 12 and the lower shell 13 are welded and connected by a friction welding rod 82 and a friction welding groove 81 to form an integrated structure through friction welding.
Specifically, the friction welding groove 81 and the friction welding rod 82 are not limited in the present embodiment, but are disposed opposite to each other, and when they are engaged, the upper housing 12 and the lower housing 13 are formed into an integrated structure by friction welding, and the welding manner may also be laser welding.
Preferably, a second connection unit 9 is further disposed between the upper casing 12 and the lower casing 13, and the second connection unit 9 includes a sealing groove 91 disposed at an edge of the upper casing 12 and a sealing bead 92 disposed on the lower casing 13, or the sealing groove 91 disposed at an edge of the lower casing 13 and the sealing bead 92 disposed on the upper casing 12;
a sealing strip 93 is arranged in the sealing groove 91, and when the upper shell 12 is connected with the lower shell 13, the sealing strip 92 compresses the sealing strip 93 in the sealing groove 91.
Specifically, the present embodiment does not limit the positions of the seal groove 91 and the seal bead 92;
the first connecting unit 8 and the second connecting unit 9 are matched to improve the sealing performance of the connection between the upper shell 12 and the lower shell 13, so that the waterproof and dustproof performance of the fastener is further enhanced.
In this embodiment, in order to further enhance the connection stability between the upper casing 12 and the lower casing 13, a third connection unit is further disposed on the outer wall of the casing 1, the third connection unit includes a connection seat 14 disposed on the upper casing 12 and the lower casing 13, the connection seat 14 is provided with a through hole, and the connection seat 14 disposed on the upper casing 12 and the lower casing 13 is fixedly connected by a bolt or a rivet passing through the through hole.
In this embodiment, the driving module can refer to the utility model patent that this department applied earlier: patent No. CN201220655757.0, a locking device and an electric door lock using the same.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A locking device comprises a shell and a locking unit arranged in the shell, wherein the locking unit comprises an actuating rod and a corrugated sleeve, an annular table is arranged on the shell, and the actuating rod penetrates through the annular table and extends to the outer side of the shell; the device is characterized in that one end of the corrugated sleeve is hermetically connected with the free end of the actuating rod; the other end of the corrugated sleeve is hermetically connected with the annular table;
the corrugated sleeve and the annular table are in sealing connection through a plurality of pairs of first annular grooves and first annular bulges which are in sealing fit with each other.
2. The closure according to claim 1, wherein the bellows sleeve and the annular table are sealingly connected by three pairs of first annular grooves and first annular protrusions arranged one after the other and sealingly engaging each other.
3. The latch according to claim 2 wherein the outer side of the annular table is provided with 2 first annular projections and a first annular groove between two first annular projections.
4. The latch according to claim 1 wherein the bellows sleeve is tapered.
5. The latch according to claim 1 wherein the bellows sleeve is sealingly connected to the free end of the actuator rod by a plurality of pairs of second annular grooves and second annular ridges that sealingly engage one another.
6. The closure according to claim 5, wherein the bellows sleeve is sealingly connected to the free end of the actuating rod by three pairs of second annular grooves and second annular projections arranged one behind the other and sealingly engaging each other, and wherein the free end of the actuating rod is provided with 2 second annular grooves and a second annular projection located between the two second annular grooves.
7. The fastener according to claim 1, wherein the locking unit further comprises a driving module for driving the actuating rod to operate, the housing is provided with a line hole for passing a power supply line electrically connected with the driving module, the line hole is provided with a mounting block, and the mounting block is provided with a mounting hole for passing the power supply line;
the circuit hole is connected with the mounting block through a plurality of pairs of third annular grooves and third annular bulges which are sequentially arranged and connected in a sealing manner.
8. The closure according to claim 1, wherein the housing comprises an upper housing and a lower housing, the upper housing and the lower housing being connected by a first connecting unit, the first connecting unit comprising a friction welding groove provided on an edge of the lower housing and a friction welding rod provided on an edge of the upper housing adapted to the friction welding groove, or a friction welding rod provided on an edge of the lower housing and a friction welding groove provided on the upper housing;
the upper shell and the lower shell are connected in a friction welding mode through friction welding to enable the friction welding rod and the friction welding groove to be in a welding connection mode to form an integrated structure.
9. The latch according to claim 8, wherein a second connecting unit is further provided between the upper casing and the lower casing, and the second connecting unit comprises a sealing groove provided at an edge of the upper casing and a sealing bead provided on the lower casing, or a sealing groove provided at an edge of the lower casing and a sealing bead provided on the upper casing;
be equipped with the sealing strip in the seal groove, when last casing and inferior valve body coupling, the sealing layering compresses tightly the sealing strip in the seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020356932.0U CN211874154U (en) | 2020-03-19 | 2020-03-19 | Locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020356932.0U CN211874154U (en) | 2020-03-19 | 2020-03-19 | Locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211874154U true CN211874154U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020356932.0U Active CN211874154U (en) | 2020-03-19 | 2020-03-19 | Locking device |
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| CN (1) | CN211874154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110845A (en) * | 2022-07-07 | 2022-09-27 | 温州市东风通用机电厂 | Fastener and assembling system thereof |
| WO2023051599A1 (en) * | 2021-09-30 | 2023-04-06 | 长春捷翼汽车零部件有限公司 | Lock rod sealing structure for electronic lock |
-
2020
- 2020-03-19 CN CN202020356932.0U patent/CN211874154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051599A1 (en) * | 2021-09-30 | 2023-04-06 | 长春捷翼汽车零部件有限公司 | Lock rod sealing structure for electronic lock |
| CN115110845A (en) * | 2022-07-07 | 2022-09-27 | 温州市东风通用机电厂 | Fastener and assembling system thereof |
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