CN219473510U - Buckle and LED street lamp - Google Patents

Abstract

The utility model relates to a padlock, which is provided with a shell, a claw, an operating rod and a positioning cam, wherein the claw is rotatably arranged in the shell and is supported by a first pre-tightening piece to obtain corresponding steady state; the hanging interface of the claw is used for being hung with the buckle to realize buckling and locking; the mounting end of the lever operation is rotatably mounted in the housing, and the operating portion of the lever operation protrudes from the housing; the mounting end is provided with a pressing part, and the pressing part is used for limiting the rotation of the opposite sides of the clamping jaw by abutting against the clamping jaw, so that the clamping buckle is not separated from the hanging interface; the positioning cam is rotatably installed in the shell and supported by the second pretensioner to obtain corresponding steady state, and the positioning clamping teeth are clamped into the positioning grooves of the clamping jaws to determine the space parking position of the hanging interface of the clamping jaws. The LED street lamp has the advantages of reasonable structure, small and exquisite shape, small occupied space, simple disassembly and assembly and hidden buckling points, is effectively protected, can be applied to an LED street lamp, can effectively promote the usability of a street lamp product, and has higher economic benefit.

Description

Buckle and LED street lamp

Technical Field

The utility model relates to the technical field of locks, in particular to a padlock for an LED street lamp.

Background

As shown in fig. 1, after a panel 101 of a current LED street lamp is covered on a lamp holder 100, an edge portion of the panel 101 is locked on the lamp holder 100 by a lock 102, and the lock 102 is a hook lock and is fastened by elastic force. This type of snap lock for LED street lamps has the following drawbacks: 1. relatively large operation space is needed for installation and use, the layout of the lamp is affected, and inconvenience is brought to installation and maintenance. 2. The buckling points are exposed, so that the appearance of the lamp is affected, the lamp is extremely easy to damage by external force, the use stability is insufficient, and the service life is short.

Disclosure of Invention

The utility model aims to provide a padlock and an LED street lamp, which well solve the technical problems, and are reasonable in structure and simple to assemble and disassemble.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a clasp lock, comprising:

the outer shell of the shell is provided with a plurality of grooves,

a jaw having a hooking port and a positioning groove, rotatably installed in the housing and supported by a first pretensioner to obtain a corresponding steady state; the hanging interface is used for being hung with the buckle to realize buckling and locking, and the buckle extends into the shell from outside and impacts the claw by external force or self so that the claw correspondingly rotates to finish hanging;

an operation lever having a mounting end and an operation portion extending from the mounting end, the mounting end of the operation lever being rotatably mounted in the housing, and the operation portion protruding from the housing; the mounting end is provided with a pressing part which is used for limiting the rotation of the opposite sides of the clamping jaw by abutting against the clamping jaw, so that the clamping buckle is not separated from the hanging interface;

a positioning cam having positioning teeth rotatably installed in the housing and supported by the second pretensioner to obtain a corresponding steady state, such that the positioning teeth are snapped into positioning grooves of the jaws to determine a spatial parking position of the hanging interface of the jaws; the positioning groove for positioning the latch to withdraw from the claw is realized by driving the positioning cam through the operating rod.

The above scheme is further, the shell is the horizontal framework of side standing, the shell has front end and rear end, the inside first basic shaft and the second basic shaft that is equipped with front and back parallel arrangement and cross over connection shell left and right sides wall of shell, the action bars forms about with the jack catch and stacks on the first basic shaft of installation, the interface of hanging of jack catch is towards the front end of shell, and the location cam is installed on the second basic shaft and is kept away from the interface of hanging, the jack catch has the afterbody towards the location cam, the constant head tank sets up on the afterbody, the portion of supporting of action bars restricts the rotation of jack catch opposite side through supporting the upside of this afterbody.

The technical scheme is that the operating rod is connected with the positioning cam through the linkage plate, and the linkage plate transmits the power of the operating rod to the positioning cam to drive the positioning cam by the operating rod; the linkage plate is installed on one side in the shell and is provided with a first guide groove at the front end, a second guide groove at the rear end and a shoulder part positioned between the first guide groove and the second guide groove, the first guide groove and the second guide groove are respectively correspondingly matched with a first base shaft and a second base shaft to guide the linkage plate to move, a push top is arranged at the installation end of the operating rod, the push top rotates along with the installation end and drives the linkage plate to move backwards through the push shoulder part, and the linkage plate rotates along with the positioning cam, so that the positioning latch is led to exit the positioning groove of the claw.

The linkage plate is further formed by a front folded plate section, a rear folded plate section and a shoulder part connecting the front folded plate section and the rear folded plate section together, a 'character' geometric body is formed, the front folded plate section is flatly attached to the corresponding inner side wall of the shell, the first guide groove is formed in the front folded plate section, the second guide groove is formed in the rear folded plate section, a tooth opening is formed in the lower side of the rear folded plate section, the tooth opening is in supporting contact with a preset stop arm on the positioning cam, the stop arm is a protruding block protruding along the axial direction of the second base shaft, and the linkage relation of the linkage plate rotating along the positioning cam is achieved through the tooth opening cooperation of the stop arm.

The above scheme is further that the hanging connector is a U-shaped fork, and the corresponding steady state is obtained under the support of the first pretension piece, wherein the hanging connector faces downwards and partially extends out of the shell.

The above scheme is further that the first pre-tightening piece and the second pre-tightening piece are torsion springs.

The lamp cap of the LED street lamp comprises the buckling lock, and the lampshade on the lamp cap is locked through the buckling lock.

The lock catch provided by the utility model integrates the claw, the operating rod and the positioning cam in the shell, the claw extends into the shell from outside and is impacted by external force or the claw itself, so that the claw can correspondingly rotate to complete the hanging, the lock catch is realized, the structure is reasonable, the body shape is small, the occupied space is small, the disassembly and assembly are simple, the buckling point is hidden, the lamp appearance is effectively protected, the lamp appearance is not influenced, and the service life is long. The LED street lamp is applied to the LED street lamp, can effectively promote the usability of street lamp products, and has higher economic benefit.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic view of an embodiment of the lock catch of the present utility model;

FIG. 3 is an exploded view of the embodiment of FIG. 2;

FIG. 4 is a schematic view of a partial structural assembly of the embodiment of FIG. 2;

FIG. 5 is an exploded view of the embodiment of FIG. 4;

FIG. 6 is a schematic diagram of the assembly of the pawl, lever, positioning cam, and linkage plate set of the embodiment of FIG. 2;

FIG. 7 is a schematic diagram of an embodiment of the utility model applied to an LED street lamp;

fig. 8 is a partially exploded view of fig. 7.

Detailed Description

The conception, specific structure, and technical effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

Referring to fig. 2, 3, 4, 5 and 6, a preferred embodiment of the present utility model is shown, and the present utility model relates to a lock latch having a housing 1, a claw 2, an operating lever 4, a buckle 5 and a positioning cam 6. The jaw 2 has a hooking mouth 21 and a positioning slot 22, the jaw 2 being rotatably mounted in said housing 1 and being supported by a first pretensioner 31 to obtain a corresponding steady state, preferably a torsion spring, the first pretensioner 31 acting on the jaw 2 at one end and being connected to the housing 1 at the other end. The hanging interface 21 of the claw 2 is used for being hung with the buckle 5 to realize buckling and locking, and the buckle 5 extends into the shell 1 from outside and impacts the claw 2 by external force or self, so that the claw 2 correspondingly rotates to finish hanging. The operating lever 4 has a mounting end 41 and an operating portion 42 extending from the mounting end, the mounting end 41 of the operating lever 4 is rotatably mounted in the housing 1, and the operating portion 42 protrudes from the housing 1 for manual operation. The mounting end 41 is provided with a pressing part 43, and the pressing part 43 is used for limiting the rotation of the opposite sides of the clamping jaw 2 by abutting against the clamping jaw 2, so that the buckle 5 is not separated from the hanging interface 21, and stable buckling is achieved. The positioning cam 6 has a positioning latch 61 and is rotatably mounted in the housing 1 and is supported by a second pretensioner 32 to obtain a corresponding steady state, so that the positioning latch 61 is snapped into the positioning slot 22 of the claw 2 to determine the spatial parking position of the hanging interface 21 of the claw, preferably the second pretensioner 32 is a torsion spring, and the structure is simple and the assembly is convenient. The positioning of the teeth 61 out of the positioning groove 22 of the jaws 2 is achieved by the operating lever 4 driving the positioning cam 6.

Referring to fig. 2, 3, 4, 5, and 6, in this embodiment, the housing 1 is a horizontal frame body that stands on one side, and further, for convenience in assembly, the housing 1 is configured by enclosing left and right parts; the shell 1 is provided with a front end and a rear end, a first base shaft 11 and a second base shaft 12 which are arranged in parallel front and back and are bridged on the left side wall and the right side wall of the shell are arranged in the shell 1, and the operating rod 4 and the clamping jaw 2 are arranged on the first base shaft 11 in a left-right lamination mode, so that the structure is compact and reasonable. The hanging connector 21 of the claw 2 faces the front end of the shell, the hanging connector 21 is a U-shaped fork, and the corresponding steady state is obtained under the support of the first pretensioner 31, namely the hanging connector 21 faces downwards and partially extends out of the shell 1, so that the buckle 5 is released in a self-adapting way; the positioning cam 6 is arranged on the second base shaft 12 and far away from the hanging port 21, the claw 2 is provided with a tail part 23 facing the positioning cam 6, the positioning groove 22 is arranged on the tail part 23, the pressing part 43 of the operating rod 4 overcomes the acting force of the first pre-tightening piece 31 by abutting against the upper side of the tail part 23, so that the claw 2 rotates, the hanging port 21 retracts into the shell 1 and hooks the buckle 5 to form a hanging buckle; while the abutment 43 also limits the rotation of the opposite side of the jaw 2 by abutting against the upper side of the tail 23, preventing accidental release. The operating rod 4 is connected with the positioning cam 6 through a linkage plate 7, and the linkage plate 7 transmits the power of the operating rod 4 to the positioning cam 6 to drive the positioning cam 6 by the operating rod 4. The linkage plate 7 is installed in the housing 1 in a side-standing manner, and is provided with a first guide groove 71 at the front end, a second guide groove 72 at the rear end and a shoulder part 73 positioned between the first guide groove 71 and the second guide groove 72, the first guide groove 71 and the second guide groove 72 correspondingly cooperate with the first base shaft 11 and the second base shaft 12 respectively to guide the movement of the linkage plate 7, and the installation end 41 of the operating lever 4 is provided with a push top part 44. When the operating portion 42 of the operating lever 4 is lifted (rotated counterclockwise in fig. 2), the push portion 44 rotates following the mounting end 41 and drives the link plate 7 to move backward by pushing the shoulder 73, the link plate 7 rotates along with the positioning cam 6, overcomes the force of the second pretensioner 32, and causes the positioning latch 61 to withdraw from the positioning groove 22 of the claw 2, and the pressing portion 43 of the operating lever 4 also gives up pressing the tail portion 23 of the claw 2, at which time the claw 2 is reset, i.e., the hanging port 21 is directed downward and partially protrudes out of the housing 1, at the force of the first pretensioner 31, so that the buckle 5 is released adaptively.

In the drawing, the linkage plate 7 is composed of a front flap section 74, a rear flap section 75 and a shoulder section 73 connecting the front flap section 74 and the rear flap section 75 together, a' word shape geometry is formed, the shoulder section 73 is vertically arranged, the front flap section 74 is horizontally attached to the corresponding inner side wall of the shell 1, installation and positioning are obtained, a first guide groove 71 is formed in the front flap section 74, a second guide groove 72 is formed in the rear flap section 75, a tooth mouth 751 is formed in the lower side of the rear flap section 75, the tooth mouth 751 is in supporting contact with a stop arm 62 preset on the positioning cam 6, the stop arm 62 is a protruding block protruding along the axial direction of the second base shaft 12, and the tooth mouth 751 cooperates with the stop arm 62 to achieve linkage relation that the linkage plate 7 rotates along the positioning cam 6. The pushing part 44 of the operating rod 4 is in the form of a protruding block protruding from the mounting end 41, when the operating part 42 of the operating rod 4 is lifted upwards (anticlockwise in fig. 2), the mounting end 41 rotates around the first base shaft 11, the pushing part 44 pushes the shoulder 73 while the pushing part 44 follows the rotation of the mounting end 41, so that the linkage plate 7 moves backwards, the stop arm 62 is driven to move through the tooth mouth 751, the positioning cam 6 rotates, and the positioning latch 61 is retracted from the positioning groove 22 of the claw 2; at the same time, after the operating portion 42 of the operating lever 4 is lifted up, the pressing portion 43 of the operating lever 4 also withdraws from the restriction of the tail 23 of the claw 2, and at this time, the first pretensioner 31 drives the claw 2 to rotate and reset, the hanging port 21 faces downward, and the buckle 5 is released.

As shown in fig. 7 and 8, the present utility model further provides an LED street lamp, where the lamp cap of the LED street lamp includes the above-mentioned latch, the lamp shade 201 on the lamp cap 200 is locked by the latch, the lamp shade 201 is assembled on the lower side, i.e. the light emitting side, of the lamp cap 200, and one end of the lamp shade 201 is hinged to the lamp cap 200, so that the other opposite end of the lamp shade 201 forms a free opening end capable of approaching to or separating from the lamp cap 200, the free opening end is assembled with the buckle 5, the housing 1 is installed on the upper side of the lamp cap 200 and can be embedded in the heat dissipation groove, and the claw 2, the operating rod 4 and the positioning cam 6 are assembled on the housing 1. The lock catch of the utility model has smaller body shape and smaller operation space, thereby being convenient to install and use and having good practicability.

There are two situations in which the lamp shade 201 is closed:

1. the operation part 42 of the operation rod 4 is pressed down to be in place, the pressing part 43 of the operation rod 4 presses the tail part 23 of the claw 2, the claw 2 is rotated against the acting force of the first pretensioner 31, the hanging port 21 is retracted into the shell 1, at the moment, the positioning cam 6 is also supported by the second pretensioner 32 to obtain corresponding steady state, and the positioning latch 61 is clamped into the positioning groove 22 of the claw 2 to determine the space parking position of the hanging port 21 of the claw; at this time, the lampshade 201 is closed forcefully, the buckle 5 moves along with the lampshade 201, and the claw 2 overcomes the acting force of the first pretension piece 31 and the limit of the positioning latch 61 by striking the claw 2 by itself through the through hole preset on the lamp cap 200, so that the claw 2 correspondingly rotates, and the buckle 5 extends into the shell 1 from outside and is hung into the hanging port 21. The pressing part 43 of the operating rod 4 is used for pressing the tail part 23 of the claw 2, and the positioning teeth 61 are clamped into the positioning grooves 22 of the claw 2 to position, so that the buckle 5 is stably hung with the hanging port 21, and the lampshade 201 is closed and fixed.

As described above, when the operating portion 42 of the operating lever 4 is lifted up (rotated counterclockwise in fig. 2), the hanging port 21 is supported by the first pretensioner 31 and partially protrudes out of the housing 1, the lamp shade 201 is closed, the buckle 5 is protruded into the housing 1 from outside and freely protrudes into the hanging port 21, then the operating portion 42 of the operating lever 4 is depressed again, the pressing portion 43 of the operating lever 4 also presses down the tail 23 of the claw 2, so that the claw 2 rotates, the hanging port 21 rotates following the rotation and hooks the buckle to retract into the housing, at the same time, the pushing portion 44 of the operating lever 4 releases the shoulder 73, the positioning cam 6 returns under the pretensioning force of the second pretensioner 32, the linkage plate 7 moves following forward, the tooth mouth 751 moves following back, the positioning tooth 61 of the positioning cam 6 returns to the positioned position, and is snapped into the positioning groove 22, and positioning is given. At this time, the buckle 5 and the hanging interface 21 are stably hung, so that the lampshade 201 is closed and fixed.

The lamp shade 201 open operation condition:

when the lampshade 201 needs to be opened, the operating part 42 of the operating rod 4 needs to be lifted upwards (anticlockwise in fig. 2), the first pretensioner 31 drives the clamping jaw 2 to reset, the hanging interface 21 pops up and the opening faces downwards, and then the buckle 5 is released, so that the lampshade 201 can be opened.

The lock catch provided by the utility model integrates the claw, the operating rod and the positioning cam in the shell, the claw extends into the shell from outside and is impacted by external force or the claw itself, so that the claw can correspondingly rotate to complete the hanging, the lock catch is realized, the structure is reasonable, the body shape is small, the occupied space is small, the disassembly and assembly are simple, the buckling point is hidden, the lamp appearance is effectively protected, the lamp appearance is not influenced, and the service life is long. The LED street lamp is applied to the LED street lamp, can effectively promote the usability of street lamp products, and has higher economic benefit.

While the preferred embodiments of the present utility model have been described above with reference to the accompanying drawings, the present utility model should not be limited to the exact same structure and operation as described above and illustrated, but many equivalent modifications and changes may be made to the above embodiments by one skilled in the art without departing from the spirit and scope of the utility model, through logic analysis, reasoning or limited experimentation, and all such modifications and changes are believed to be within the scope of the utility model as claimed.

Claims (7)

1. A latch, comprising:

a housing (1),

a jaw (2), the jaw (2) having a hooking mouth (21) and a positioning slot (22), the jaw (2) being rotatably mounted in the housing (1) and being supported by a first pretensioner (31) to obtain a corresponding steady state; the hanging interface (21) is used for being hung with the buckle (5) to realize buckling and locking, and the buckle (5) extends out of the inside of the shell (1) and impacts the claw (2) by external force or self so that the claw (2) correspondingly rotates to finish hanging;

an operation lever (4), wherein the operation lever (4) has a mounting end (41) and an operation portion (42) extending from the mounting end, the mounting end (41) of the operation lever (4) is rotatably mounted in the housing (1), and the operation portion (42) protrudes from the housing (1); the mounting end (41) is provided with a pressing part (43), and the pressing part (43) is used for limiting the rotation of the opposite sides of the clamping jaw (2) by abutting against the clamping jaw (2) so as not to separate the clamping buckle (5) from the hanging interface (21);

a positioning cam (6), wherein the positioning cam (6) is provided with a positioning latch (61) and is rotatably arranged in the shell (1) and is supported by a second pretensioner (32) to obtain corresponding steady state, and the positioning latch (61) is clamped into a positioning groove (22) of the claw (2) to determine the space parking position of a hanging interface (21) of the claw; the positioning teeth (61) are withdrawn from the positioning grooves (22) of the clamping jaws (2) and are realized by driving the positioning cams (6) through the operating rod (4).

2. A lock according to claim 1, wherein the housing (1) is a horizontal frame body standing sideways, the housing (1) has a front end and a rear end, the housing (1) is internally provided with a first base shaft (11) and a second base shaft (12) which are arranged in parallel front and back and bridge the left and right side walls of the housing, the operating lever (4) and the claw (2) are arranged on the first base shaft (11) in a left and right stacked manner, the hanging port (21) of the claw (2) faces the front end of the housing, the positioning cam (6) is arranged on the second base shaft (12) and is far away from the hanging port (21), the claw (2) has a tail portion (23) facing the positioning cam (6), the positioning groove (22) is arranged on the tail portion (23), and the pressing portion (43) of the operating lever (4) restricts the rotation of the opposite side of the claw (2) by abutting against the upper side of the tail portion (23).

3. A lock according to claim 1 or 2, wherein the operating lever (4) is connected with the positioning cam (6) through a linkage plate (7), and the linkage plate (7) transmits the power of the operating lever (4) to the positioning cam (6) to realize that the operating lever (4) drives the positioning cam (6); the linkage plate (7) is installed in the shell (1) in a side-standing mode and is provided with a first guide groove (71) at the front end, a second guide groove (72) at the rear end and a shoulder part (73) located between the first guide groove (71) and the second guide groove (72), the first guide groove (71) and the second guide groove (72) are correspondingly matched with the first base shaft (11) and the second base shaft (12) respectively to guide the linkage plate (7) to move, a push top (44) is arranged on the installation end (41) of the operating rod (4), the push top (44) rotates along with the installation end (41) and drives the linkage plate (7) to move backwards through pushing the table shoulder part (73), and the linkage plate (7) rotates along the positioning cam (6) to enable the positioning latch (61) to withdraw from the positioning groove (22) of the claw (2).

4. A lock according to claim 3, wherein the linkage plate (7) is formed by a front flap section (74), a rear flap section (75) and a shoulder section (73) connecting the front flap section (74) and the rear flap section (75) together, a' zigzag geometry is formed, the front flap section (74) is flush against the corresponding inner side wall of the housing (1), the first guide groove (71) is formed in the front flap section (74), the second guide groove (72) is formed in the rear flap section (75), and the lower side of the rear flap section (75) is provided with a tooth (751), the tooth (751) is in bearing contact with a stop arm (62) preset on the positioning cam (6), the stop arm (62) is a protruding block protruding in the axial direction of the second base shaft (12), and the linkage plate (7) is brought into a linkage relationship with the rotation of the positioning cam (6) by the tooth (751) cooperating with the stop arm (62).

5. A clasp lock according to claim 1 or 2, wherein the hanging interface (21) is a U-shaped fork, and the corresponding steady state is obtained with the first pretensioning member (31) supported such that the hanging interface (21) is directed downwards and partly protrudes out of the housing (1).

6. A clasp lock according to claim 1, wherein the first pretensioning member (31) and the second pretensioning member (32) are torsion springs.

7. An LED street lamp, characterized in that the lamp cap of the LED street lamp comprises the lock catch according to any one of claims 1 to 6, and the lamp shade on the lamp cap is locked by the lock catch.