阅读说明：本技术 一种弹簧式锁扣及端子箱 (Spring type lock catch and terminal box ) 是由 龚演平 于 2020-07-15 设计创作，主要内容包括：本发明属于锁具技术领域,公开了一种弹簧式锁扣及端子箱,该弹簧式锁扣用于锁合第一部件和第二部件,其包括卡勾件、底座和转动件,卡勾件连接于第一部件,卡勾件上开设有卡槽,底座连接于第二部件,转动件包括翻盖、卡杆和弹性件,翻盖转动连接于底座,翻盖能够绕着其上的转轴朝向卡勾件转动,弹性件的一端转动连接于翻盖的第一位置,另一端连接于卡杆,在锁合状态下,卡杆卡接于卡槽内,翻盖贴合于底座,第一位置距第二部件的间距小于转轴距第二部件的间距,且弹性件处于拉伸状态,该弹簧式锁扣具有自压紧功能,能够保证锁合的牢固性。该端子箱包括箱体、箱门及多个上述弹簧式锁扣,能够牢固地锁紧箱门,防止由于受到风力的作用自动弹开。(The invention belongs to the technical field of locks and discloses a spring type lock catch and a terminal box, wherein the spring type lock catch is used for locking a first part and a second part and comprises a hook piece, a base and a rotating piece, the hook piece is connected to the first part, a clamping groove is formed in the hook piece, the base is connected to the second part, the rotating piece comprises a flip cover, a clamping rod and an elastic piece, the flip cover is rotatably connected to the base and can rotate around a rotating shaft on the flip cover towards the hook piece, one end of the elastic piece is rotatably connected to a first position of the flip cover, the other end of the elastic piece is connected to the clamping rod, in a locking state, the clamping rod is clamped in the clamping groove, the flip cover is attached to the base, the distance between the first position and the second part is smaller than the distance between the rotating shaft and the second part, the elastic piece is in a stretching state, and the spring type lock catch. The terminal box comprises a box body, a box door and a plurality of spring type lock catches, the box door can be firmly locked, and the terminal box is prevented from automatically bouncing off under the action of wind force.)

1. A spring loaded latch for latching a first member to a second member, comprising:

the clamping hook piece (1) is connected to the first part, and a clamping groove (11) is formed in the clamping hook piece (1);

a base (2) connected to the second part;

the rotation piece, including flip (31), kelly (32) and elastic component (33), flip (31) rotate connect in base (2), flip (31) can be around the pivot orientation on it trip piece (1) rotates, the one end of elastic component (33) rotate connect in the primary importance of flip (31), the other end connect in kelly (32), under the closure state, kelly (32) joint in draw-in groove (11), flip (31) laminate in base (2), primary importance apart from the interval of second part is less than the pivot distance the interval of second part, just elastic component (33) are in tensile state.

2. A spring catch according to claim 1, characterized in that two resilient members (33) are provided, the two resilient members (33) being located on either side of the flip-top lid (31).

3. A spring latch as claimed in claim 1, characterized in that the resilient member (33) comprises a first web (331), a second web (332) and a spring (333), one end of the spring (333) being connected to the first position of the flip (31) via the first web (331) and the other end being connected to the catch lever (32) via the second web (332).

4. A spring loaded latch as claimed in claim 3, wherein the first connecting piece (331) comprises a first piece (3312) and a first clamping head (3311), one end of the first piece (3312) is rotatably connected to the flip cover (31), the other end is connected to the first clamping head (3311), the width of the first clamping head (3311) is greater than the width of the first piece (3312), the second connecting piece (332) comprises a second piece and a second clamping head, one end of the second piece is connected to the clamping bar (32), the other end is connected to the second clamping head, the width of the second clamping head is greater than the width of the second piece, the spring (333) is sleeved on the first piece (3312) and the second piece, and is clamped between the first clamping head (3311) and the second clamping head.

5. A spring type lock catch according to claim 1, wherein the base (2) comprises a bottom plate (21) and a lock lug (22) connected to the bottom plate (21), the bottom plate (21) is connected to the second component, the flip cover (31) is rotatably connected to the bottom plate (21), a lock hole (221) is formed in the lock lug (22), a bar-shaped through hole (3111) is formed in the flip cover (31), the lock lug (22) can penetrate through the bar-shaped through hole (3111) so that the lock hole (221) and the bottom plate (21) are respectively located at two sides of the flip cover (31), and the lock hole (221) is used for hanging five-prevention locks.

6. A spring catch according to claim 5, characterised in that the base (2) further comprises a first connection (23) arranged at one end of the bottom plate (21), the flap (31) comprises a flap (311) and a second connection (312) arranged at one end of the flap (311), the strip-shaped through hole (3111) is open at the flap (311), and the first connection (23) is rotatably connected to the second connection (312).

7. A spring catch according to claim 6, characterised in that the flap (31) further comprises a handle portion (313), which handle portion (313) is arranged at an end of the flap (311) facing away from the second connecting portion (312).

8. A spring catch according to claim 7, characterised in that the handle portion (313) is of arcuate configuration, curved towards the side facing away from the base plate (21).

9. A spring type lock catch according to any one of claims 1-8, characterised in that the hook member (1) is a plate-like structure, one end of which, close to the base (2), is bent to form the catch groove (11).

10. A terminal box comprising a box body (10) and a door (20), characterized by further comprising a plurality of spring-loaded latches as claimed in any one of claims 1 to 9.

Technical Field

The invention belongs to the technical field of locks, and particularly relates to a spring type lock catch and a terminal box.

Background

The transformer substation terminal box plays a role in connecting primary equipment and secondary equipment, and elements in the terminal box mainly comprise an operating handle, a conversion handle, an indicator light, an air switch, a relay, a heater, a related secondary terminal row and the like. Because the outdoor terminal box is in a severe outdoor environment for a long time, the outdoor terminal box is damaged by weather such as rainwater, strong wind, sunshine and the like in the environment, and the terminal box and elements in the box are greatly influenced. When water enters the terminal box and is affected by tide, internal components can be rusted, the insulation resistance of the direct current secondary circuit to the ground is reduced, even direct current grounding can be caused, the protection switch is mistakenly operated or refused, and the safe operation of a power grid is seriously threatened. Therefore, it is important to make a sealing measure for the outdoor terminal box.

The latches currently in use are typically simple latches without a spring design. The lock catch is not provided with a spring and a self-pressing function, so that the lock catch can be easily and automatically bounced off in the using process, particularly in the weather of typhoon, storm and the like, the box door of the terminal box is easily and automatically opened, and the functions of sealing and protecting internal electric equipment cannot be achieved.

Therefore, a spring-type latch and a terminal box are needed to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a spring type lock catch which has a self-pressing function and can prevent the lock catch from automatically bouncing off under the action of wind force, so that the locking firmness is ensured.

In order to achieve the purpose, the invention adopts the following technical scheme:

a spring loaded latch for latching a first member to a second member, comprising:

the clamping hook piece is connected to the first part, and a clamping groove is formed in the clamping hook piece;

a base connected to the second member;

rotate the piece, including flip, kelly and elastic component, flip rotate connect in the base, flip can be round pivot orientation above that the trip piece rotates, the one end of elastic component rotate connect in flip's primary importance, the other end connect in the kelly, under the closure state, the kelly joint in the draw-in groove, flip laminating in the base, primary importance apart from the interval of second part is less than the pivot is apart from the interval of second part, just the elastic component is in tensile state.

Preferably, the number of the elastic members is two, and the two elastic members are respectively located at two sides of the flip.

Preferably, the elastic member includes a first connecting piece, a second connecting piece and a spring, one end of the spring is connected to the first position of the flip through the first connecting piece, and the other end of the spring is connected to the clamping rod through the second connecting piece.

As preferred, first connection piece includes first lamellar body and first dop, the one end of first lamellar body rotate connect in flip, the other end connect in first dop, the width of first dop is greater than the width of first lamellar body, the second is even the piece includes second lamellar body and second dop, the one end of second lamellar body connect in the kelly, the other end connect in the second dop, the width of second dop is greater than the width of second lamellar body, the spring overlaps simultaneously and locates first lamellar body with on the second lamellar body, and the joint in first dop with between the second dop.

Preferably, the base includes the bottom plate and connect in lock ear on the bottom plate, the bottom plate connect in the second part, flip rotate connect in the bottom plate, the lockhole has been seted up on the lock ear, the bar through-hole has been seted up on flip, the lock ear can wear to locate the bar through-hole, so that the lockhole with the bottom plate is located respectively flip's both sides, the lockhole is used for hanging and establishes five locks.

Preferably, the base further comprises a first connecting portion arranged at one end of the bottom plate, the flip cover comprises a turning plate and a second connecting portion arranged at one end of the turning plate, the strip-shaped through hole is formed in the turning plate, and the first connecting portion is rotatably connected to the second connecting portion.

Preferably, the flip cover further comprises a handle portion, and the handle portion is arranged at one end of the turning plate, which deviates from the second connecting portion.

Preferably, the handle portion is an arc-shaped structure, and the arc-shaped structure is bent towards a side away from the bottom plate.

Preferably, the hook member is a plate-shaped structure, and one end of the plate-shaped structure, which is close to the base, is bent to form the clamping groove.

Another object of the present invention is to provide a terminal box having a self-tightening function, which can firmly lock a box door, and prevent the box door from automatically bouncing off due to wind, so as to ensure the sealing performance of the terminal box and better protect internal power equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

a terminal box comprises a box body, a box door and a plurality of spring type lock catches.

The invention has the beneficial effects that:

According to the spring type lock catch provided by the invention, when the flip cover is rotated to be close to the hook piece, the clamping rod can be clamped in the clamping groove of the hook piece, in the process of rotating the flip cover towards the direction departing from the hook piece, the distance from the first position to the hook piece is gradually increased, the elastic piece can be stretched, when the flip cover is rotated to be attached to the base, the locking state is reached, at the moment, the elastic piece is in the stretching state, both the flip cover and the hook piece have tensioning force, because the distance from the first position to the second part is smaller than the distance from the rotating shaft to the second part, and the straight line where the pulling force of the elastic piece to the flip cover is located is positioned between the rotating shaft and the second part, the elastic piece exerts the force for extruding the base on the flip cover, so that the flip cover is in the self-pressing state, and cannot be separated from the base under the action of wind power, and the firm. The spring type lock catch provided by the invention has a self-pressing function, and can prevent the lock catch from automatically bouncing off under the action of wind force, so that the locking firmness is ensured.

The terminal box provided by the invention comprises the plurality of spring type latches, the edge of the box door can be prevented from tilting, a sealing effect is achieved, the spring type latches have a self-pressing function, the box door can be firmly locked, and the box door is prevented from being automatically bounced off under the action of wind force, so that the sealing performance of the terminal box can be ensured, and the effect of protecting internal power equipment is better achieved.

Drawings

Fig. 1 is a schematic structural view of a spring type buckle according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a partial spring type lock catch according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first connecting piece according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a flip cover according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a base according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a terminal box according to a second embodiment of the present invention.

In the figure:

10. a box body; 20. a box door;

1. a hook member; 2. a base;

11. a card slot; 21. a base plate; 22. locking lugs; 23. a first connection portion; 31. a cover is turned; 32. a clamping rod; 33. an elastic member; 34. a first link; 35. a second link;

221. a lock hole; 231. a second connection hole; 311. turning over a plate; 312. a second connecting portion; 313. a handle portion; 331. a first connecting piece; 332. a second connecting piece; 333. a spring;

3111. a strip-shaped through hole; 3121. a first connection hole; 3311. a first chuck; 3312. the first sheet body.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "mounted" are to be construed broadly, e.g., as meaning both connected and disconnectable, mechanically and electrically, directly or indirectly via intermediate media, whether internal or external to the elements, or in any other relationship between the elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. 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.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.