CN214424894U - Double-hook synchronous opening and closing lock - Google Patents

Abstract

The utility model discloses a double-hook synchronous opening and closing lock, which comprises a lock body and a lock block; the lock body comprises a mounting base, a left clamping hook, a right clamping hook, a shifting piece and a mounting cover; the mounting cover is fixedly connected with the mounting base, the mounting base is provided with a mounting groove with an opening at the top, and the left clamping hook and the right clamping hook are oppositely arranged in the mounting groove at intervals and can rotate relative to the mounting base; the poking piece comprises a guide block and a hook steering push block fixedly connected with the guide block; the poking piece is movably connected with the left hook and the right hook, and the hook steering push block of the poking piece is positioned in the interval area of the left hook and the right hook; the mounting cover is provided with a movable window, and the guide block is positioned in the movable window and can move up and down along the movable window. The utility model drives the two hooks to open and close rotationally through the up-and-down movement of the toggle piece, and ensures the synchronous movement of the two hooks; the double-clamping hook design enables the stress to be more balanced, the locking block can slide into the clamping hooks more smoothly, and the two clamping hooks can be clamped simultaneously more stably and firmly during locking.

Description

Double-hook synchronous opening and closing lock

Technical Field

The utility model relates to a self-locking mechanism, the more specifically synchronous lock that opens and shuts of double cassette hooks that says so.

Background

With the vigorous development of the electronic product industry and the rapid advance of scientific technology, the industrial production technology industry and the test equipment industry are also rapidly developed. Various motion mechanisms are common in industrial and test equipment, and are important and even central components of the equipment. In the moving process, a plurality of node positions exist in the moving mechanism to complete certain procedures or actions, and the node positions are limited by a self-locking mechanism. The smooth and reliable self-locking mechanism is very important for the operation of the whole equipment.

At present, main self-locking devices in the market comprise a seesaw type single-hook lock and a wedge-shaped block sliding lock, and the self-locking devices have the defects of unsmooth locking action and infirm locking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide the synchronous lock that opens and shuts of double cassette hooks.

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

the double-hook synchronous opening and closing lock comprises a lock body and a lock block which are respectively fixed on two relative moving objects; the lock body comprises an installation base, a left clamping hook, a right clamping hook, a shifting piece and an installation cover; the mounting cover is fixedly connected with the mounting base, the mounting base is provided with a mounting groove with an opening at the top, and the left clamping hook and the right clamping hook are oppositely arranged in the mounting groove at intervals and can rotate relative to the mounting base; the poking piece comprises a guide block and a hook steering push block fixedly connected with the guide block; the poking piece is movably connected with the left hook and the right hook, and the hook steering push block of the poking piece is positioned in the interval area of the left hook and the right hook; the mounting cover is provided with a movable window, and the guide block is positioned in the movable window and can move up and down along the movable window; when the locking is needed, the guide block is pushed upwards to the locking position, the poking piece drives the left clamping hook and the right clamping hook to synchronously rotate towards the inner side so as to be clamped with the locking block, and when the unlocking is needed, the guide block is pushed downwards to the unlocking position, and the poking piece drives the left clamping hook and the right clamping hook to synchronously rotate towards the outer side so as to be separated from the locking block.

The further technical scheme is as follows: the device is characterized by further comprising a compression spring, a spring hole is formed in the bottom of the hook steering push block, the upper end of the compression spring is installed in the spring hole, and the lower end of the compression spring abuts against the bottom of the installation groove.

The further technical scheme is as follows: the device also comprises a left clamping hook rotating shaft and a right clamping hook rotating shaft; the mounting base is provided with a left rotating shaft mounting hole and a right rotating shaft mounting hole, the left clamping hook is provided with a left rotating shaft hole, and the right clamping hook is provided with a right rotating shaft hole; the inner end of the left hook rotating shaft is fixed in the left rotating shaft mounting hole, and the left hook rotating shaft penetrates into the left rotating shaft hole to form rotary connection between the left hook and the mounting base; the inner end of the right hook rotating shaft is fixed in the right rotating shaft mounting hole, and the right hook rotating shaft penetrates into the right rotating shaft hole to form the rotating connection of the right hook and the mounting base.

The further technical scheme is as follows: the device also comprises a left sliding rod and a right sliding rod; the guide block is provided with a left slide bar mounting hole and a right slide bar mounting hole, the left clamping hook is provided with a left slide groove for the movement of the left slide bar, and the right clamping hook is provided with a right slide groove for the movement of the right slide bar; the inner end of the left sliding rod is fixed in the left sliding rod mounting hole, and the outer end of the left sliding rod penetrates into the left sliding groove; the inner end of the right sliding rod is fixed in the right sliding rod mounting hole, and the outer end of the right sliding rod penetrates into the right sliding groove.

The further technical scheme is as follows: the left sliding chute and the right sliding chute are waist-shaped sliding chutes which are obliquely arranged; when the left sliding rod moves to the bottom of the left sliding groove and the right sliding rod moves to the bottom of the right sliding groove, the left clamping hook and the right clamping hook are in a separation state from the locking block; when the left sliding rod moves to the top of the left sliding groove and the right sliding rod moves to the top of the right sliding groove, the left clamping hook and the right clamping hook are in a clamping state with the locking block.

The further technical scheme is as follows: a left clamping groove is formed in one surface, opposite to the right clamping hook, of the upper end of the left clamping hook, and a right clamping groove is formed in one surface, opposite to the left clamping hook, of the upper end of the right clamping hook; the left side of locking piece be equipped with left joint groove joint complex left side arch, the right side of locking piece be equipped with right joint groove joint complex right side arch.

The further technical scheme is as follows: the left clamping groove is positioned above the left rotating shaft hole, and the left sliding groove is positioned below the left rotating shaft hole; the right clamping groove is located above the right-turning shaft hole, and the right sliding groove is located below the right-turning shaft hole.

The further technical scheme is as follows: the mounting groove is rectangular.

The further technical scheme is as follows: and the mounting cover is provided with screw holes for fixing the lock body on other objects.

The further technical scheme is as follows: the screw hole is a waist-shaped hole.

Compared with the prior art, the utility model beneficial effect be: the utility model drives the two hooks to open and close rotationally through the up-and-down movement of the toggle piece, and ensures the synchronous movement of the two hooks; the double-clamping-hook design enables the stress to be more balanced, the locking block can slide into the clamping hooks more smoothly, the two clamping hooks can be clamped simultaneously more stably and firmly during locking, and the design and installation are very convenient.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

FIG. 1 is an assembly view of an embodiment of the dual-hook synchronous opening and closing lock of the present invention;

fig. 2 is an exploded view of an embodiment of the dual-hook synchronous opening and closing lock of the present invention;

fig. 3 is an assembly view of the embodiment of the double-hook synchronous opening and closing lock of the present invention (the state of the installation cover is omitted);

fig. 4 is a schematic structural view of a toggle member in an embodiment of the dual-hook synchronous opening and closing lock of the present invention.

Reference numerals

A lock body; 11. installing a base; 111. mounting grooves; 112. a left rotating shaft mounting hole; 1121. a left hook rotating shaft; 113. a right rotating shaft mounting hole; 1131. a right hook rotating shaft; 12. installing a cover; 121. an active window; 122. a screw hole; 13. a toggle piece; 131. a guide block; 1311. a left slide bar mounting hole; 13111. a left slide bar; 1312. a right slide bar mounting hole; 13121. a right slide bar; 132. the hook turns to the push block; 1321. a spring hole; 14. a left hook; 141. a left clamping groove; 142. a left-turn axle hole; 143. A left chute; 15. a right hook; 151. a right clamping groove; 152. a right-turn axle hole; 153. a right chute; 16. compressing the spring.

Detailed Description

In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the following specific embodiments, but not limited thereto.

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 those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," some embodiments, "" an example, "" a specific example, "" or "some examples," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

The utility model is suitable for a test equipment and industrial equipment field introduce through specific embodiment below the utility model discloses.

Referring to fig. 1-3, the double-hook synchronous open-close lock includes a lock body 1 and a lock block respectively fixed on two relatively moving objects; the lock body 1 comprises a mounting base 11, a left hook 14, a right hook 15, a shifting piece 12, a mounting cover 12 and a compression spring 16; the mounting cover 12 is fixedly connected with the mounting base 11 through screws, the mounting base is provided with a mounting groove 111 with an opening at the top, and the left hook 14 and the right hook 15 are arranged in the mounting groove 111 at intervals and can rotate relative to the mounting base 11; the toggle piece 12 comprises a guide block 131 and a hook steering push block 132 fixedly connected with the guide block 131; the toggle piece 12 is movably connected with the left hook 14 and the right hook 15, and the hook turning push block 132 of the toggle piece 12 is positioned in the interval area of the left hook 14 and the right hook 15; the mounting cover 12 is provided with a movable window 121, and the guide block 131 is positioned in the movable window 121 and can move up and down along the movable window 121; the bottom of the hook turning push block 132 is provided with a spring hole 1321, the upper end of the compression spring 16 is installed in the spring hole 1321, and the lower end of the compression spring 16 is stopped against the bottom of the installation groove 111.

When the lock needs to be locked, the lock body 1 and the lock block are kept in a matched range, when the guide block 131 is pushed upwards to the locking position, the poking part 12 can simultaneously drive the left hook 14 and the right hook 15 to synchronously rotate towards the inner side, so that the left hook 14 and the right hook 15 can be clamped with the lock block, when the lock needs to be unlocked, the guide block 131 is pushed downwards to the unlocking position, and due to the existence of the hook steering push block 132, the hook steering push block 132 can force the left hook 14 and the right hook 15 to synchronously rotate towards the outer side when moving downwards, so that the left hook 14 and the right hook 15 can be separated from the lock block. Since the compression spring 16 is provided, when no external force acts on the toggle member 12, the compression spring 16 hooks the upper hook and turns to the push block 132, so that the guide block 131 is in the locked state, and can be always tightly engaged with the lock block, thereby forming a self-locking state.

Further, referring to fig. 2, the lock body 1 further includes a left hook rotating shaft 1121 and a right hook rotating shaft 1131; the mounting base 11 is provided with a left rotating shaft mounting hole 112 and a right rotating shaft mounting hole 113, the left hook 14 is provided with a left rotating shaft hole 142, and the right hook 15 is provided with a right rotating shaft hole 152; the inner end of the left hook rotating shaft 1121 is fixed in the left rotating shaft mounting hole 112, and the left hook rotating shaft 1121 penetrates into the left rotating shaft hole 142 to form a rotating connection of the left hook 14 and the mounting base 11; the inner end of the right hook rotating shaft 1131 is fixed in the right rotating shaft mounting hole 113, and the right hook rotating shaft 1131 penetrates into the right rotating shaft hole 152 to form a rotating connection between the right hook 15 and the mounting base 11.

Further, please refer to fig. 4, further comprising a left sliding bar 13111 and a right sliding bar 13121; a left slide bar mounting hole 1311 and a right slide bar mounting hole 1312 are arranged on the guide block 131, a left slide groove 143 for moving the left slide bar 13111 is arranged on the left hook 14, and a right slide groove 153 for moving the right slide bar 13121 is arranged on the right hook 15; the inner end of the left sliding bar 13111 is fixed in the left sliding bar mounting hole 1311, and the outer end of the left sliding bar 13111 penetrates into the left sliding groove 143; the inner end of the right sliding rod 13121 is fixed in the right sliding rod mounting hole 1312, and the outer end of the right sliding rod penetrates into the right sliding groove 153. Specifically, the left chute 143 and the right chute 153 are waist-shaped chutes which are obliquely arranged; when the left sliding rod 13111 moves to the bottom of the left sliding groove 143 and the right sliding rod 13121 moves to the bottom of the right sliding groove 153, the left hook 14 and the right hook 15 are in a separation state from the locking block; when the left sliding bar 13111 moves to the top of the left sliding groove 143 and the right sliding bar 13121 moves to the top of the right sliding groove 153, the left hook 14 and the right hook 15 are in the engaged state with the lock block.

Further, referring to fig. 2, a left clamping groove 141 is formed on the upper end of the left hook 14 opposite to the right hook 15, and a right clamping groove 151 is formed on the upper end of the right hook 15 opposite to the left hook 14; the left side of locking piece is equipped with left joint groove 141 joint complex left arch, the right side of locking piece be equipped with right joint groove 151 joint complex right arch.

In this embodiment, the left engaging groove 141 is located above the left pivot hole 142, and the left sliding groove 143 is located below the left pivot hole 142; the right engaging groove 151 is located above the right pivot hole 152, and the right sliding groove 153 is located below the right pivot hole 152. The mounting groove 111 has a rectangular shape.

Further, the mounting cover 12 is provided with a screw hole 122 for fixing the lock body 1 to another object. Preferably, the screw hole 122 is a kidney-shaped hole. In practical use, the locking block and the lock body 1 are respectively fixed on two objects which move relatively through screws. Because the screw hole 122 on the lock body 1 is a waist-shaped hole, the position of the lock body 1 can be adjusted according to actual conditions, so that the left hook 14 and the right hook 15 can be accurately meshed with the lock block, and self-locking fastening is not easy to loosen.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims (10)

1. The double-hook synchronous opening and closing lock is characterized by comprising a lock body and a lock block which are respectively fixed on two relative moving objects; the lock body comprises an installation base, a left clamping hook, a right clamping hook, a shifting piece and an installation cover; the mounting cover is fixedly connected with the mounting base, the mounting base is provided with a mounting groove with an opening at the top, and the left clamping hook and the right clamping hook are oppositely arranged in the mounting groove at intervals and can rotate relative to the mounting base; the poking piece comprises a guide block and a hook steering push block fixedly connected with the guide block; the poking piece is movably connected with the left hook and the right hook, and the hook steering push block of the poking piece is positioned in the interval area of the left hook and the right hook; the mounting cover is provided with a movable window, and the guide block is positioned in the movable window and can move up and down along the movable window; when the locking is needed, the guide block is pushed upwards to the locking position, the poking piece drives the left clamping hook and the right clamping hook to synchronously rotate towards the inner side so as to be clamped with the locking block, and when the unlocking is needed, the guide block is pushed downwards to the unlocking position, and the poking piece drives the left clamping hook and the right clamping hook to synchronously rotate towards the outer side so as to be separated from the locking block.

2. The lock of claim 1, further comprising a compression spring, wherein a spring hole is formed at the bottom of the steering pushing block of the hook, the upper end of the compression spring is installed in the spring hole, and the lower end of the compression spring abuts against the bottom of the installation groove.

3. The lock of claim 1, further comprising a left hook shaft and a right hook shaft; the mounting base is provided with a left rotating shaft mounting hole and a right rotating shaft mounting hole, the left clamping hook is provided with a left rotating shaft hole, and the right clamping hook is provided with a right rotating shaft hole; the inner end of the left hook rotating shaft is fixed in the left rotating shaft mounting hole, and the left hook rotating shaft penetrates into the left rotating shaft hole to form rotary connection between the left hook and the mounting base; the inner end of the right hook rotating shaft is fixed in the right rotating shaft mounting hole, and the right hook rotating shaft penetrates into the right rotating shaft hole to form the rotating connection of the right hook and the mounting base.

4. The double-hook synchronous opening and closing lock according to claim 3, further comprising a left slide bar and a right slide bar; the guide block is provided with a left slide bar mounting hole and a right slide bar mounting hole, the left clamping hook is provided with a left slide groove for the movement of the left slide bar, and the right clamping hook is provided with a right slide groove for the movement of the right slide bar; the inner end of the left sliding rod is fixed in the left sliding rod mounting hole, and the outer end of the left sliding rod penetrates into the left sliding groove; the inner end of the right sliding rod is fixed in the right sliding rod mounting hole, and the outer end of the right sliding rod penetrates into the right sliding groove.

5. The double-hook synchronous opening and closing lock according to claim 4, wherein the left chute and the right chute are waist-shaped chutes which are obliquely arranged; when the left sliding rod moves to the bottom of the left sliding groove and the right sliding rod moves to the bottom of the right sliding groove, the left clamping hook and the right clamping hook are in a separation state from the locking block; when the left sliding rod moves to the top of the left sliding groove and the right sliding rod moves to the top of the right sliding groove, the left clamping hook and the right clamping hook are in a clamping state with the locking block.

6. The lock of claim 5, wherein the upper end of the left hook is provided with a left engaging groove on the side opposite to the right hook, and the upper end of the right hook is provided with a right engaging groove on the side opposite to the left hook; the left side of locking piece be equipped with left joint groove joint complex left side arch, the right side of locking piece be equipped with right joint groove joint complex right side arch.

7. The lock of claim 6, wherein the left snap groove is located above the left pivot hole, and the left sliding groove is located below the left pivot hole; the right clamping groove is located above the right-turning shaft hole, and the right sliding groove is located below the right-turning shaft hole.

8. The lock of claim 1, wherein the mounting slot is rectangular in shape.

9. The lock of claim 1, wherein the mounting cover has a screw hole for fixing the lock body to other objects.

10. The lock of claim 9, wherein the screw hole is a kidney-shaped hole.

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