JPH0724044Y2 - Door lock device for wire cage for animals - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door locking device for animal wire cages.

[0002]

2. Description of the Related Art A conventional door locking device for a wire net cage for animals is constructed by bending a wire having the same thickness as the edge of the wire net to form a bar member, and moving the bar member up and down to the edge of the door. Alternatively, it is generally mounted so as to be movable left and right and configured.

[0003]

A door locking device made by bending a wire requires an annular bent portion for sliding a bar member or fitting a bar, and a thick wire It is troublesome to process the annular bent portion, and it is also troublesome to assemble the bar members to the door made of wire mesh.

Further, the conventional locking device using the bar members is
It is difficult to lock with one hand after closing the door, and the operability of locking and unlocking is poor.

An object of the present invention is to provide a locking device which is easy to mount on a door and has good operability so that the locking and unlocking can be operated with one hand.

[0006]

According to the present invention, there is provided a door whose one side edge is rotatably connected to an opening of an entrance of an animal provided on a required wire mesh surface of an animal wire cage, and a free end of the door. In addition, a case made of synthetic resin in which the end part is projected slightly outward from the edge of the door free end, and the door is sandwiched between the front case and the rear case, and fixed to each other, and the free end of the door in the rear case is projected. A groove that is provided at the end of the rear case and is recessed in the front side so as to hold the edge rod of the opening from the front side when the door is closed. A locking / unlocking operation body that slides between the cases at right angles to the groove and has a handle portion at the end protruding outward from the groove, and the locking / unlocking operation body is provided on the back side of the locking / unlocking body so that the tip end is on the handle portion side. The slope of the rear case, and the slope intersects the groove of the rear case and is hooked to the free end side. The hook is opened, the spring hooking piece protruding from the back side of the locking / unlocking operation body, and the spring hooking piece of the locking / unlocking operation body are stretched between the appropriate places on the back side of the front case and the unlocking operation body. By providing a spring for elastic pressure on the end side,
The above problems are solved.

[0007]

Since the two synthetic resin cases are fixed and fixed to the free end of the door, it is easy to attach to the wire mesh, and the locking and unlocking operation body housed in the case has an opening for the door when the door is closed. Pressed by the edge of the wire mesh, the hook piece is automatically retracted and locked, so the door can be opened and closed with one hand.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment in which the door locking device of the present invention is applied to an animal cage. Wire cage (1) consists of front plate (2), left and right side plates (3) (4), rear plate (5) and top plate.
(6) is made of wire mesh, the bottom plate (7) is made of dish-shaped synthetic resin, the four corners of the top plate (6) at the wire mesh plate portion, each front plate (2), left and right side plates (3) The upper corners of (4) and the back plate (5) are respectively connected by the corner connecting tools (8), and the bottom plate (7) is further connected.
The inside of the upper edge (7a) of the peripheral edge of the box and the lower edges of the front plate (2), the left and right side plates (3) (4), and the back plate (6) are appropriately connected to form a box-like shape. A wire cage is formed.

Below the center of the front slope (2), an opening (9) for the entrance and exit of animals is provided, and outside the opening (9), that is, in front of the plate surface of the front plate (2) ( On the front side), there is provided a door (10) for the entrance / exit of animals in which the upper and lower edges (10a), (10b) are slightly larger than the opening (9).

One side edge of the door (10), for example the right side edge (10c)
Is connected to the edge rod (9a) of the opening (9) rotatably in a horizontal direction by a connecting ring (10d) protruding rightward with the axis of the retaining ring in the vertical direction. The connecting ring (10d) is prevented from moving downward by the horizontal rod (2b) of the front plate (2).

At the other side edge of the door (10), that is, at the freely rotating free end (10e), there is provided a door locking device (11) for preventing the door (10) from freely opening and closing. .

The door locking device (11) has a door (10) sandwiched between a front case (13) and a back case (14) of a synthetic resin case (12) divided into two parts on the front side and the back side. , Is fixed to the free end (10e) of the door (10).

Both the front and rear cases (13) and (14) are provided with projecting pieces (13a) (14a) facing each other at their peripheral edges to make the inside hollow, and projecting pieces (13a) (upper side and lower side). Engaging portions (14a) are provided with engagement grooves (13b) (14b) having a substantially semi-arcuate shape that engage with a plurality of vertical rods (10f) of the door (10).

The engaging grooves (13b) and (14b) form circular holes when the projecting pieces (13a) and (14a) are butted against each other, and the vertical rod (10e) is inserted through the engaging grooves (13b) and (14b). It prevents the 14) from moving to the left and right, and determines the mounting position on the door (10). Also,
Between the plurality of vertical rods (10f) by the protruding pieces (13e) (14d) with engaging grooves (13e ') (14d') at the tips protruding inside the cases (13) and (14), respectively. A required horizontal rod (10g) that is horizontally stretched is sandwiched between the front and back to prevent vertical movement of both cases (13) and (14). It should be noted that the upper and lower horizontal rods (10g ') of both cases (13) and (14) can prevent the vertical movement.

Both cases (13) and (14) have a free end (10d) of the door (10).
The side edge vertical rod (10f ') is projected laterally (to the left), and the protruding portion (14c) of the rear case (14) is provided on the front case (13).
A groove (15) that is vertically long is formed by overlapping the back surface of the protruding portion (13c) and denting the back surface toward the front.

The groove (15) of the rear case (14) is provided so as to surround the edge rod (9b) of the opening (9) from the front side when the door (10) is closed, and both cases (13). (14) The upper and lower peripheral edge projections (13
a) In the extended part of (14a), a guide groove (16) is formed by opening the opening in a V shape toward the back and rounding the bottom in a U shape so that the edge rod (9b) is held from the front. , Above and below the groove (15).

The bottom plate (15) of the groove (15) in the rear case (14)
A gap (17) is provided between a) and the front plate (13d) of the protrusion (13c) of the front case (13), and the gap (17) is slidable in the left-right direction. A locking / unlocking operation body (18) is provided.

FIG. 3 is an external view of the lock / unlock operation body (18) with the back side facing upward.

The locking / unlocking operation body (18) includes a handle portion (18b) provided at one end of a plate-shaped substrate (18a) and a guide groove long in the sliding direction provided on the front side of the substrate (18a). (18c) and a hook piece (19) that is provided in a pair on the back side near the handgrip (18b) and has a hook groove (19a) opened in the direction of the handgrip (18b).
And a spring hooking piece (20) erected in the vertical center of the back surface on the opposite side of the handhold (18b), and in the vertical center of the board (18a), and near the base of the hook piece (19). Was drilled in
An elongated slot (21) is provided along the sliding direction of the substrate (18a).

The locking / unlocking operation body (18) extends in the left-right direction provided on the back surface of the front case (13), and engages a pair of upper and lower protrusions (22) with a guide groove (18c) on the front side. In addition, the fixing projection (23) protruding from the rear surface of the front case (13) is inserted into the long hole (21), and the notch hole (24) provided so as to intersect with the groove (15) of the rear case (14). ), The hook piece (19) is housed in both cases (13) and (14) so that the hook piece (19) can freely move in and out of the groove (15).

Between the fixed protrusion (24) and the spring hook (20),
A tension spring (25) is stretched, which allows the locking and unlocking operation body (1
8) is elastically applied so that it always projects to the outside (left side) and is slidable in the left-right direction.

The sliding stroke of the locking / unlocking operation body (18) is a long hole.
The fixed projection (25), which is determined by the length of the (21) in the left-right direction and passes through the elongated hole (21), also serves as a stopper for the left-right sliding.

When the right end of the long hole (21) of the locking / unlocking operation body (18) abuts on the fixing protrusion (24), the locking / unlocking operation body (18) protrudes to the outermost side, and at this time, the hook. One piece (19) is a hook groove (19a)
In the middle of the groove (15) and the tip (19b) of the hook (19).
Intersect so as to close the groove (15).

The outer shape of the tip (19b) of the hook piece (19) is the hook piece (19).
Is formed on the slope (19c) such that the height of the groove decreases as it approaches the opening of the hook groove (19a). Due to this slope (19c), when the edge rod (9b) of the opening (9) of the front plate (2) abuts from the back side, the hook piece (19) moves rightward along the slope (19b), The locking / unlocking operation body (18) is automatically slid in the left-right direction.

As a result, when the open door (10) is closed, the slope (19c) of the hook piece (19) first comes into contact with the edge rod (9b) of the opening (9), and further the door (10) is closed. When pushed in the direction, the locking / unlocking operation body (18) automatically slides to the right, and the hook piece (19) moves into the groove (1
Escape from 5) and the edge rod (9b) is guided along the guide groove (16) by the groove (1
5) While fitting inside, when the edge rod (9b) almost reaches the bottom of the guide groove (16), the hook piece (19), the tip of the slope (19c) is released from the edge piece (9b), The edge piece (9b) is housed in the hook groove (19a) of the hook piece (19) and returned to its original position by the elastic force of the tension spring (25).

With the edge rod (9b) of the opening (9) of the front plate (2) stored in the groove (15) of the rear case (14) of the door locking device (12), the locking and unlocking operation body When the hook piece (19) of (18) returns to its original position, the hook piece (19) prevents the edge rod (9b) from escaping from the groove (15), and the front plate (2) and the door. (10) is locked.

The locking operation when closing the door (10) is automatically locked when the door (10) is closed without manually operating the door locking device (12). Also, when opening the door (10), put your thumb on the locking / unlocking operation body (18),
While pushing in the right direction, slide it in the right direction and slide the hook piece (19) into the groove.
(15) The door is retracted to the right from the rear side, and the door locking device (12) is grasped with each finger and pulled toward you,
(10) opens easily.

Thus, the opening / closing operation of the door (10) can be performed with one hand. For example, when putting an animal inside, you can easily hold the animal with one left hand and open and close the door with your right hand, and when you put it out again, leave your left hand open and open the door (10) with your right hand only. So there is no fear of letting the animals escape.

In this way, at least one hand can be attached to the animal when it comes in and goes out, so the animal can not be swayed with peace of mind, so that the fur of the animal is damaged and the person who puts the animal in and out is injured. Such a thing does not occur.

In the above embodiment, the door (10) which opens and closes with the left side as the free end has been described, but a door with the right side as the free end also has the upper end as the pivot end and the lower end as the free end. The door locking device (12) of the present invention is also applicable to doors that open and close, and vice versa.
Can be provided on the free end side.

[0031]

The present invention has the following effects. (a) Easy to attach to the door made of wire mesh. (b) The lock and unlock operations are easy and animals can be easily taken in and out. (c) Since the structure is simple, resin molding is easy and durable.

[Brief description of drawings]

FIG. 1 is a perspective view of an animal wire cage according to the present invention.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a perspective view of a locking / unlocking operation body.

FIG. 4 is a partially cutaway perspective view of the locking device of the present invention shown in FIG.

[Explanation of symbols]

(1) Wire cage (2) Front plate (2a) Horizontal rod (3) (4) Side plate (3a) Upward edge (5) Back plate (6) Top plate (7) Bottom plate (8) Corner connector (9) Opening (9a) Edge rod (9b) Edge rod (10) Door (10a) (10b)
Vertical edge (10c) Right edge (10d) Connecting ring (10e) Free end (10f) Vertical rod (10f ') Edge Vertical rod (10g) Horizontal rod (11) Door locking device (12) Case (13) Front case ( 13a) (14a)
Protrusion (13b) (14b) Engagement groove (13c) Projection (13d) Front plate (14) Rear case (14c) Projection (15) Groove (15a) Bottom plate (16) Guide groove (17) Gap (18) ) Locking and unlocking operation body (18a) Board (18b) Handhold (18c) Guide groove (19) Hook piece (20) Spring hooking piece (21) Long hole (22) Ridge (23) Fixing protrusion (24) Notch Hole (25) tension spring

Claims (1)

[Scope of utility model registration request] 1. A door whose one side edge is rotatably connected to an opening of an entrance / exit of an animal provided on a required wire mesh surface of an animal wire cage, and a door near the free end of the door, closer to the edge of the door free end. The case is made of synthetic resin with the end protruding slightly outward and the door is sandwiched between the front case and the rear case, and is fixed to each other. The rear case is provided at the end protruding from the free end of the door, and When the door is closed, the groove that is recessed in the front side so that the edge of the opening can be held from the front side, and the groove that is provided in the synthetic resin case, and the groove between the rear case and the front case are orthogonal to the groove. And the locking / unlocking operation body provided with a handle portion at the end protruding outward from the groove, and the sloped surface protruding from the back side of the locking / unlocking operation body and having the tip descending toward the handle portion, A hook piece that intersects the groove of the back case and has a hook groove on the free end side, A spring hooking piece protruding from the back side of the lock operation body, and a spring that is stretched between the appropriate position on the back side of the front case and the spring hooking piece of the locking and unlocking operation body to elastically press the locking and unlocking operation body toward the free end side. Door lock / unlock device for animal wire cages provided.