KR101075457B1 - Apparatus for opening/closing front door for starting gate of horse racing - Google Patents

Abstract

The present invention relates to a front door opening and closing device for the horse racer, the left latch 21 is provided on the left door 20 of the front door of the cycle, and the right latch 31 is provided on the right door 30 corresponding thereto. , The right door 30 is rotated up and down with respect to the hinge shaft 50 by the operation of the magnet portion 40, while the front ends of the left and right clasps 21 and 31 between each other are locked and locked. In the front door opening and closing device for a racehorse foot to open the front door is released, the engaging hole 21a is formed in the front end of the left latch 21, the locking hole ( It is characterized in that the engaging projection (31a) is formed to be inserted into the hook (21a). Therefore, by the hole / protrusion method, the locking is basically secure and the release is easy, and the soft bushing is provided to minimize the friction force between the locking hole and the projection even when pressurized by the horse's damping in the foot cycle. The front door opens smoothly and on the contrary, the front door does not open automatically in the event of a horse rush. Also, by constructing a separate part that can be replaced with a protrusion and bushing, only this part can be exchanged periodically to reduce costs. The effect is to extend the lifespan.

Front door opener, right latch, hinge shaft, bushing and locking protrusion

Description

Apparatus for opening / closing front door for starting gate of horse racing}

The present invention relates to a front door opening and closing device for a racehorse foot cycle, more specifically, to form a locking structure between the left and right side doors of the foot cycle as a protrusion / hole structure, so that the locking between each other is solid and easy to release. In addition, the lower end of the projection has a rounded curved structure and a flexible bushing having a cylindrical structure inside the hole to reduce the internal frictional force between the projection and the hole even in the external force caused by the depression or impact of the horse. By improving the locking method, the front door can be opened smoothly to prepare for safety accidents. Also, by configuring the protrusions and bushings as separate parts that can be replaced, only this part can be replaced periodically and used to reduce costs. The front door opening and closing device for the racehorse's foot cycle that can extend the lifespan It is about.

In general, in race racing, racehorses are formed side by side between the bulkheads and the bulkheads that separate racehorses so that racehorses that line up with racers can be placed at the same time. It consists of a pair of front and rear doors through which horses pass.

The front door of the foot cycle is composed of a spring device that is elastically supported to open the door to the left and right, a locking device to keep the door closed and a magnet device to open the door by unlocking the locking device, Operate to open simultaneously with the start signal.

As an example, a front door opening and closing device for a racehorse footer of the prior art is as follows.

As shown in Figures 1 and 2, the left side latch (1) has a locking groove (3) at the right end is assembled with a spring (4) and a screw (5) to be rotatable within a certain range It is installed.

The right door 6 has a locking groove 8 formed at the left end thereof, and a right latch 7 having the magnet 10 mounted at the right end thereof rotatably installed by the hinge shaft 9 so as to provide a current. The right latch 7 is rotated up and down by supply and interruption.

Then, a spring 11 for elastically supporting the right clasp 7 is provided opposite to the magnetic force induction direction of the magnet portion 10.

Here, the magnetic force of the magnet portion 10 preferably has the strength to overcome the elastic force of the spring (11).

The prior art of this configuration is coupled to the engaging groove 8 of the left clasp 2 and the right clasp 7 when the power is supplied with the start signal in the locked state, the upper portion by the magnetic force of the magnet portion 10 The right clasp 7 that was pulled by the magnetic force is released, that is, the magnetic force of the permanent magnet in the magnet portion 10 is canceled by the reaction force of the electromagnet in accordance with the power applied to the magnetic force is lost, at this time the elasticity of the spring 11 By rotating downwards the front end of the right latch 7 is flipped open.

On the other hand, in case of accidental accidents such as injuries of horses or jockeys, only one race car should be pulled out.In this case, if the horse is pulled back to the rear door, a dangerous situation may occur. The front door should be easy to open because it must be opened and drawn through the front door.

In addition, when the race horse is suddenly acting like entering the front door, the door should be opened automatically when a certain amount of external force is applied to the front door to protect the horse.

However, since the front door opening and closing device for a racehorse footer of the prior art locks the front door by engaging the left and right clasps with each other in a locking groove structure, when an external force is applied, such as a horse receiving a front door, Hook shape is caught by each other has more problems such as excessive force is applied to the hook shape is not opened properly.

The present invention has been made to solve the above problems, and the latch structure of the left and right doors of the foot cycle is formed into a projection / hole structure, so that the locking between each other is solid and easy to release, and also, the projection The lower end of the rounded curved structure and a flexible bushing having a cylindrical structure inside the hole, the front door can be opened by minimizing the internal frictional force even when external force is generated due to a horse collision. In addition, by providing separate parts that can be replaced with protrusions and bushings, it is possible to replace and use only this part periodically, thus providing a front door opening and closing device for the racehorse's foot cycle that can reduce the cost and extend the life. The purpose is.

In order to achieve the above object, the front door opening and closing device for a racehorse foot cycle of the present invention is provided with a left clasp on the left side of the front door of the foot cycle, and a right clasp is provided on the right side corresponding thereto, and the right side door has a magnet part. In the front and rear door opening and closing device for the racehorse foot race to the front and rear ends of the left and right clasps are locked to each other while the front door is locked to each other while the front door is opened by opening the door. A locking hole is formed, and a locking protrusion is formed to be inserted into the locking hole at the front end of the right latch corresponding to the locking hole so as to open and close the front door in a hole / protrusion method.

In addition, in the front door opening and closing device for the horse race runner according to the present invention, it is preferable that a soft bushing is further provided inside the engaging hole.

In addition, in the front door opening and closing device for the horse racer period according to the present invention, the inner circumferential surface of the bushing is preferably of a curved structure that spreads outwards from the bottom to the top.

In addition, in the front door opening and closing device for the horse race runner according to the present invention, it is preferable that the lower end of the locking projection has a curved structure to reduce the diameter to the lower end.

In addition, in the front door opening and closing device for the horse race runner according to the present invention, it is preferable that the locking projection is detachably assembled at the front end of the right latch.

In addition, in the front door opening and closing device for a racehorse footer according to the present invention, it is preferable that the through hole 31b which is vertically penetrated to the front end portion of the right latch has a structure in which the engaging projection is coupled to the through hole.

In addition, in the front door opening and closing device for a racehorse foot cycle according to the present invention, it is preferable that the thread is formed on the inner circumferential surface of the through hole, the screw thread is formed on the outer circumferential surface of the locking projection corresponding to the screw.

As described above, the front door opening and closing device for the racehorse foot cycle according to the present invention forms a locking structure between the left and right side doors of the foot cycle as a protrusion / hole structure, so that the locking between each other is solid and easy to release, In addition, the lower end of the protrusion has a rounded curved structure, and a soft bushing having a cylindrical structure inside the hole, and the latch is not properly operated due to a failure of the magnet part of the foot cycle. If the front door is forcibly pressed even under the condition, the front door can be opened by the pressing force so that the front door can be prepared for safety accidents.In addition, the protrusion and the bushing are composed of separate parts that can be replaced to replace only this part periodically. To reduce costs and extend lifespan. And to obtain a.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figures 3 to 6, the front door opening and closing device for the racehorse foot cycle of the present invention is provided with a left latch 21 on the left door 20 of the front door of the foot cycle, the right side to the right door 30 Clasp 31 is provided, the right side door 30 is rotated up and down with respect to the hinge shaft 50 by the operation of the magnet portion 40, the front end portions of the left and right clasps 21, 31 between each other The front door is locked to each other and is also configured to open the front door by releasing the jam.

Here, in the present invention, a locking hole 21a is formed at the distal end of the left latch 21, and the locking protrusion 31a is inserted into the locking hole 21a at the distal end of the right clasp 31 corresponding thereto. ) Is formed to open and close the front door in a hole / protrusion method.

A soft bushing 22 is provided inside the engaging hole 21a.

Here, the inner circumferential surface of the bushing 22 has a curved structure that opens outward from the lower side to the upper side, and the lower end of the corresponding locking projection 31a has a curved structure that decreases in diameter to the lower end thereof. Locking and unlocking are made smooth.

In addition, the soft bushing 22 is to prepare for a safety accident by minimizing the internal friction force so that the front door can be opened even if an external force occurs in the front door clasp due to the collision of the horse.

In addition, the engaging projection 31a is formed with a through hole 31b penetrated up and down at the distal end of the right clasp 31 so as to be detachably assembled at the distal end of the right clasp 31. In the structure that the engaging projection 31a is coupled to, in particular, the thread 31b1 is formed on the inner circumferential surface of the through hole 31b, and the thread 31a1 is formed on the outer circumferential surface of the corresponding locking projection 31a. The structure is screwed together.

Reference numeral 60 shows a spring to which an elastic force is applied to pull the right latch 31 downward.

In the front door opening and closing device for a racehorse foot cycle according to an embodiment of the present invention according to such a configuration, first, when the front door is to be opened, the locking projection 31a of the right clasp 31 is caught in the locking hole 21a of the left clasp 21. When the power is supplied with the start signal in the state in which the front door is locked, the right latch 31, which has been pulled upward by the magnetic force of the magnet part 40, releases the magnetic force, that is, the permanent magnet in the magnet part 40 The magnetic force of the not shown) is canceled by the reaction force of the electromagnet (not shown) in accordance with the power applied to the magnetic force is eliminated, the front end of the right latch 31 is rotated upwards by the elasticity of the spring (60) The front door is opened by a separate spring device (not shown) at the same time the lock is released by being flipped.

In addition, when closing the front door, since the power supply of the magnet portion 40 is blocked in the opposite manner to the above, the rear end portion of the right latch 31 is lifted upward by the magnetic force of the permanent magnet, and the opposite end portion is the hinge shaft 50 The shaft is rotated downwardly around the center so that the operator closes the front door that has been manually opened, and then inserts the locking projection 31a of the right clasp 31 into the locking hole 21a of the left clasp 21 so that the front door is closed. This is to lock.

In addition, even if an external force is generated in the front door latch due to a collision of the horse, the front door can be opened by minimizing the internal frictional force in the structure of the locking device to prepare for a safety accident.

On the other hand, the locking projection (31a) and the bushing (22) is replaceable, so when they are worn out for a long time, only these can be used periodically to be replaced, thereby reducing costs and extending the life.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, It should be understood that all of the techniques that can be easily changed and used by those skilled in the art are included in the technical scope of the present invention.

1 is a schematic view showing a front door opening and closing device for a racehorse footer of the prior art.

Figure 2 is a perspective view showing a state in which the front door is closed through the front door opening and closing device for the horse racer of the prior art.

Figure 3 is a perspective view of the front door opening and closing device for a racehorse footing according to an embodiment of the present invention.

Figure 4 is a perspective view showing a state in which the front door opening and closing device for the horse race runner according to an embodiment of the present invention.

Figure 5 is a perspective view showing a front door installed a front door opening and closing device for a horse race runner according to an embodiment of the present invention.

Figure 6 is a sectional view showing the main part showing a state in which the engaging projection is coupled to the right clasp of the front door opening and closing device for the horse racer according to an embodiment of the present invention.

DESCRIPTION OF REFERENCE NUMERALS

1: left door 2: left latch

3: hanging groove 4: spring

5: screw 6: right door

7: right clasp 8: jamming groove

9: hinge shaft 10: magnet portion

11: spring 20: left door

21: left latch 21a: locking hole

22: bushing 30: right door

31: right latch 31a: locking projection

31a1: thread 31b: through hole

31b1: thread 40: magnet part

50: hinge axis 60: spring

Claims (3)

A left clasp 21 is provided on the left door 20 of the front door of the main cycle, and a right clasp 31 is provided on the right door 30 corresponding thereto, and the right door 30 is a magnet part 40. The front door opening and closing for the racehorse foot cycle that the front and rear ends of the left and right clasps 21 and 31 are locked to each other while the front door is locked by the operation of the hinge shaft 50, and the front and rear doors are locked. In the apparatus, A locking hole 21a is formed at the distal end of the left clasp 21, and a locking protrusion 31a is inserted into the locking hole 21a at the distal end of the right clasp 31 to correspond to the hole. It is possible to open and close the front door in a projection method, a soft bushing 22 is further provided inside the engaging hole 21a, and the inner circumferential surface of the bushing 22 is curved toward the outside as it goes upward from the lower side. The front door opening and closing device for a racehorse foot cycle, characterized in that. The method of claim 1, The lower end of the locking projection (31a) is the front door opening and closing device for the racehorse foot cycle, characterized in that the curved structure is reduced in diameter to the lower end. The method of claim 1, The engaging projection 31a is detachably assembled at the distal end of the right clasp 31, and a through hole 31b penetrates up and down at the distal end of the right clasp 31 is formed in the through hole 31b. The locking projection 31a is coupled to each other, and a thread 31b1 is formed on the inner circumferential surface of the through hole 31b, and threads 31a1 are formed on the outer circumferential surface of the locking projection 31a corresponding to each other. Front door opening and closing device for a racehorse foot cycle, characterized in that coupled.

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