CN212867194U

CN212867194U - Forced lock catch

Info

Publication number: CN212867194U
Application number: CN202021268020.4U
Authority: CN
Inventors: 方必坤
Original assignee: Guangdong Shangkun Industrial Technology Co ltd
Current assignee: Guangdong Shangkun Industrial Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-02
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to a forced lock catch, which comprises a carrier, a handle seat, a handle, a rotating shaft, a rotating block, a first connecting rod, a second connecting rod, a first inserted link and a second inserted link, wherein the handle is assembled on the carrier through the handle seat and can rotate; one end of the rotating shaft is connected with the handle and rotates around the central axis of the rotating shaft along with the handle; the rotating block is assembled on the rotating shaft and rotates together, the first hinge part and the second hinge part on the periphery of the rotating block are respectively connected with the first connecting rod and the second connecting rod, and the other ends of the first connecting rod and the second connecting rod are respectively connected with the first inserting rod and the second inserting rod. The utility model discloses a buckle and the unblock that first inserted bar and second inserted bar were realized to handle drive pivot and turning block rotation, utilize the motion change activity of first connecting rod and second connecting rod to compel tight efficiency simultaneously, simple structure, compactness, and light in operation, laborsaving. The door body is suitable for a sealing door of a box body or a cabinet body, and the door body obtains a fastening and locking effect, so that the door body achieves a leakage-proof effect after being sealed.

Description

Forced lock catch

Technical Field

The utility model belongs to the technical field of hardware fitting technique and specifically relates to a compel tight hasp for sealing door.

Background

With the development of the industry, the types, different performances and functions of industrial boxes or cabinets are greatly changed, and the most obvious point is that the requirements on the environment in the boxes or cabinets are higher and higher. For example, some cases require a sealing function, and some cases require high temperature, high pressure and the like. The door lock matched with the door lock can not meet the requirements if the door lock is matched with the door lock in the prior art.

The existing tightening device is provided, the handle is used for driving the tightening hook to be locked, the door body obtains a tightening lock catch effect, the door body achieves a leakage-proof effect after being sealed, and the tightening device is particularly used for preventing hot air or cold air in the box body or the cabinet body from leaking outwards. The door handle of traditional box or cabinet body needs great power just can realize closing when using, especially to the large-scale freezer, because the reaction force of sealing strip, will close sealing door then needs relatively big strength, and present compels tight device at this moment and exists and use loaded down with trivial details, inconvenience.

Disclosure of Invention

An object of the utility model is to provide a compel tight hasp solves above-mentioned technical problem well, simple structure, compactness, and easy operation, laborsaving.

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

a snap lock, comprising:

a carrier, a carrier and a water-soluble polymer,

a handle base fixed to the carrier;

a handle assembled on the handle seat and capable of rotating relative to the handle seat;

one end of the rotating shaft is connected with the handle and rotates around the central axis of the rotating shaft along with the handle;

the rotating block is assembled on the rotating shaft, the rotating shaft drives the rotating block to rotate, a first hinge part and a second hinge part are arranged on the periphery of the rotating block, the first hinge part and the second hinge part are symmetrically arranged with the center of the rotating block, and the distances from the center of the rotating block to the first hinge part and the second hinge part are equal and are defined as a first distance;

the first connecting rod is provided with a first connecting end and a second connecting end, the first connecting end is hinged with the first hinging part of the rotating block, the second connecting end is far away from the rotating block, and the second connecting end is provided with a third hinging part; the second connecting rod is provided with a third connecting end and a fourth connecting end, the third connecting end is hinged with the second hinge part of the rotating block, the fourth connecting end is far away from the rotating block, and the fourth connecting end is provided with a fourth hinge part; the length of the first connecting rod and the length of the second connecting rod are greater than a first distance;

the first inserted link and the second inserted link are supported on the carrier through a guide system, so that the first inserted link and the second inserted link can be stretched in a set linear direction; one end of the first inserted bar is hinged with the third hinge part of the first connecting rod, and the other end of the first inserted bar forms a first lock tongue; one end of the second inserted bar is hinged with the fourth hinging part of the second connecting bar, and the other end of the second inserted bar forms a second bolt.

The rotating shaft is a square shaft, a square hole matched with the shape of the rotating shaft is formed in the rotating block, and the rotating block is sleeved with the rotating shaft through the square hole; the rotating block is in a diamond shape, and the first hinge part and the second hinge part are arranged on the opposite angles of the diamond shape.

Above-mentioned scheme is further, the carrier is the door body, and turning block, first connecting rod, second connecting rod, first inserted bar and second inserted bar hide in the inside cavity that provides of carrier together, and the carrier is inside to be equipped with the guide ring, and the guide ring is arranged according to the axial interval of first inserted bar and second inserted bar respectively, and the first spring bolt of first inserted bar stretches out the carrier upwards and comes the buckle, and the second spring bolt of second inserted bar stretches out the carrier downwards and comes the buckle.

According to the scheme, the first hinge part, the second hinge part, the third hinge part and the fourth hinge part are all in a cutting groove form, so that the rotation block, the first connecting rod and the first inserting rod are embedded and hinged step by step, and the rotation block, the second connecting rod and the second inserting rod are embedded and hinged step by step.

The utility model discloses a buckle and the unblock that first inserted bar and second inserted bar were realized to handle drive pivot and turning block rotation, utilize the motion change activity of first connecting rod and second connecting rod to compel tight efficiency simultaneously, simple structure, compactness, and light in operation, laborsaving. The door body is suitable for a sealing door of a box body or a cabinet body, and the door body obtains a fastening and locking effect, so that the door body achieves a leakage-proof effect after being sealed.

Description of the drawings:

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the internal assembly of the embodiment of FIG. 1;

FIG. 3 is a partially exploded view of the embodiment of FIG. 1;

fig. 4 is a partially exploded view of another embodiment of the present invention.

The specific implementation mode is as follows:

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

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are 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 device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, which are schematic structural views of preferred embodiments of the present invention, the present invention relates to a forced locking device, which has a carrier 100, wherein the carrier is a door body, especially a sealing door of a box body or a cabinet body. And further comprising: the handle comprises a handle seat 1, a handle 2, a rotating shaft 3, a rotating block 4, a first connecting rod 5, a second connecting rod 6, a first inserting rod 7 and a second inserting rod 8, wherein the handle seat 1 is fixed on a carrier 100, and the handle 2 is assembled on the handle seat 1 and can rotate relative to the handle seat so as to be held by hands for use. In this embodiment, fig. 1 to 3 show that the handles 2 are respectively installed on the inner side and the outer side of the carrier 100 to realize a double-opening form, but as shown in fig. 4, the handle 2 is only installed on one side of the carrier 100 to realize a single-opening form, and the specific form is selected according to actual needs, and is not limited herein. One end of the rotating shaft 3 is connected with the handle 2 and rotates around the central axis of the rotating shaft 3 along with the handle; the rotating block 4 is assembled on the rotating shaft 3, the rotating shaft drives the rotating block to rotate, a first hinge part 41 and a second hinge part 42 are arranged on the periphery of the rotating block 4, the first hinge part 41 and the second hinge part 42 are symmetrically arranged with the center of the rotating block 4, and the distances from the center of the rotating block 4 to the first hinge part 41 and the second hinge part 42 are equal and defined as a first distance. The first connecting rod 5 is provided with a first connecting end 51 and a second connecting end 52, the first connecting end 51 is hinged with the first hinging part 41 of the rotating block 4, the second connecting end 52 is far away from the rotating block 4, and a third hinging part 521 is arranged on the second connecting end 52; the second link 6 has a third connecting end 61 and a fourth connecting end 62, the third connecting end 61 is hinged to the second hinge portion 42 of the rotating block 4, the fourth connecting end 62 is far away from the rotating block 4, and a fourth hinge portion 621 is disposed on the fourth connecting end 62. The structure can achieve that when the rotating block 4 rotates, the first connecting rod 5 and the second connecting rod 6 are driven to synchronously move through the first hinge part 41 and the second hinge part 42 respectively, and the lengths of the first connecting rod 5 and the second connecting rod 6 are larger than a first distance, so that the rotating block 4 can rotate for a short time to obtain a large stroke of the first connecting rod 5 and the second connecting rod 6. The first inserted bar 7 and the second inserted bar 8 are supported on the carrier 100 through a guide system, so that the first inserted bar 7 and the second inserted bar 8 can be stretched in a set linear direction. One end of the first inserting rod 7 is hinged with the third hinge part 521 of the first connecting rod 5, and the other end of the first inserting rod 7 forms a first locking tongue 71; one end of the second insert rod 8 is hinged to the fourth hinge 621 of the second connecting rod 6, and the other end of the second insert rod 8 forms the second latch tongue 81. The first latch bolt 71 and the second latch bolt 81 are synchronously buckled or unlocked by the extension and contraction of the first inserted link 7 and the second inserted link 8. In this embodiment, when the first latch tongue 71 and the second latch tongue 81 need to extend out of the buckle, the handle 2 is operated to enable the rotating shaft 3 to drive the rotating block 4 to rotate, the first connecting rod 5 is further utilized to drive the first inserting rod 7, and the second connecting rod 6 drives the second inserting rod 8, the first inserting rod 7 and the second inserting rod 8 extend out in a set linear direction, when the first hinge portion 41 and the second hinge portion 42 rotate to be in the same straight line with the first connecting rod 5, the second connecting rod 6, the first inserting rod 7 and the second inserting rod 8, a motion inflection point is obtained, and a tightening effect is generated, the first latch tongue 71 and the second latch tongue 81 stably extend out of the buckle, and are not easy to loosen. When the unlocking is needed, the handle 2 is reversed, corresponding twisting force is given to overcome the pressing generated by the movement inflection point, and the retraction unlocking of the first lock tongue 71 and the second lock tongue 81 can be realized through the linkage relation.

Referring to fig. 1 to 4, in the embodiment, the rotating shaft 3 is a square shaft, the periphery of the rotating shaft is provided with four cutting planes, the rotating block 4 is provided with a square hole 43 matching with the shape of the rotating shaft, and the rotating block 4 is sleeved with the rotating shaft through the square hole to realize connection and can rotate together. In this embodiment, the rotating block 4 is in a diamond shape, and the first hinge portion 41 and the second hinge portion 42 are respectively arranged on opposite corners of the diamond shape, so that the structure is simple and compact, and the operation is stable and reliable. Furthermore, the rotating block 4, the first connecting rod 5, the second connecting rod 6, the first inserting rod 7 and the second inserting rod 8 are hidden in a cavity provided inside the carrier 100, a guide ring 101 is arranged inside the carrier 100, the guide ring 101 is respectively arranged at intervals in the axial direction of the first inserting rod 7 and the second inserting rod 8, the first locking tongue 71 of the first inserting rod 7 extends upwards out of the carrier 100 to be buckled, and the second locking tongue 81 of the second inserting rod 8 extends downwards out of the carrier 100 to be buckled, so that a top-bottom locking mode is formed. The first hinge part 41, the second hinge part 42, the third hinge part 521 and the fourth hinge part 621 are all in a cutting groove form, so that the rotating block 4, the first connecting rod 5 and the first inserting rod 7 are embedded and hinged step by step, and the rotating block 4, the second connecting rod 6 and the second inserting rod 8 are embedded and hinged step by step; the structure increases the convenience and the structure of assembly, is more stable to use, has good structural strength and prolongs the service life.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. A forced locking buckle is characterized by comprising:

a carrier (100) having a plurality of layers,

a handle base (1), the handle base (1) being fixed to the carrier (100);

a handle (2), the handle (2) is assembled on the handle base (1) and can rotate relative to the handle base;

one end of the rotating shaft (3) is connected with the handle (2) and rotates around the central axis of the rotating shaft (3) along with the handle;

the rotating block (4) is assembled on the rotating shaft (3), the rotating shaft drives the rotating block to rotate, a first hinge part (41) and a second hinge part (42) are arranged on the periphery of the rotating block (4), the first hinge part (41) and the second hinge part (42) are symmetrically arranged with the center of the rotating block (4), and the distances from the center of the rotating block (4) to the first hinge part (41) and the second hinge part (42) are equal and defined as a first distance;

the first connecting rod (5) is provided with a first connecting end (51) and a second connecting end (52), the first connecting end (51) is hinged with the first hinging part (41) of the rotating block (4), the second connecting end (52) is far away from the rotating block (4), and the second connecting end (52) is provided with a third hinging part (521); the second connecting rod (6) is provided with a third connecting end (61) and a fourth connecting end (62), the third connecting end (61) is hinged with the second hinge part (42) of the rotating block (4), the fourth connecting end (62) is far away from the rotating block (4), and the fourth connecting end (62) is provided with a fourth hinge part (621); the lengths of the first connecting rod (5) and the second connecting rod (6) are greater than a first distance;

the first inserting rod (7) and the second inserting rod (8) are supported on the carrier (100) through a guide system, and the first inserting rod (7) and the second inserting rod (8) stretch in a set linear direction; one end of the first inserted bar (7) is hinged with a third hinged part (521) of the first connecting rod (5), and the other end of the first inserted bar (7) forms a first bolt (71); one end of the second inserted bar (8) is hinged with a fourth hinge part (621) of the second connecting rod (6), and the other end of the second inserted bar (8) forms a second bolt (81).

2. The packing lock catch according to claim 1, wherein the rotating shaft (3) is a square shaft, the rotating block (4) is provided with a square hole (43) matching with the shape of the rotating shaft, and the rotating block (4) is sleeved on the rotating shaft through the square hole; the rotating block (4) is in a diamond shape, and the first hinge part (41) and the second hinge part (42) are respectively arranged on the opposite angles of the diamond shape.

3. The packing lock catch as recited in claim 1, wherein the carrier (100) is a door body, the rotating block (4), the first connecting rod (5), the second connecting rod (6), the first inserting rod (7) and the second inserting rod (8) are hidden in a cavity provided inside the carrier (100), a guide ring (101) is provided inside the carrier (100), the guide ring (101) is respectively arranged according to the axial intervals of the first inserting rod (7) and the second inserting rod (8), the first locking tongue (71) of the first inserting rod (7) extends upwards out of the carrier (100) for locking, and the second locking tongue (81) of the second inserting rod (8) extends downwards out of the carrier (100) for locking.

4. The tightening lock catch according to claim 1, wherein the first hinge portion (41), the second hinge portion (42), the third hinge portion (521) and the fourth hinge portion (621) are all in the form of a cutting groove, so that the rotation block (4), the first connecting rod (5) and the first insertion rod (7) are embedded and hinged step by step, and the rotation block (4), the second connecting rod (6) and the second insertion rod (8) are embedded and hinged step by step.