JPH04138194U - Gas cock socket removal device - Google Patents

Abstract

(57) [Summary] [Purpose] In a socket removal device for a gas cock, which allows the socket connected to the plug to be removed by pushing in the cover plate (5) that closes the exposed part of the plug in an open position. , to automatically return the cover plate (5) to the closed state when the pushing force of the cover plate (5) is released; [Structure] A structure that biases the cover plate into two positions: an open position and a closed position. The cover plate (5) has a one-way engagement mechanism that does not engage when the cover plate (5) is pushed in but engages when returning.
and the casing portion corresponding to the movement trajectory thereof, and the lid plate (5) is forcibly rotated to the closed position by this one-way engagement.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention provides a gas stopper, particularly a plug installation part of a gas stopper housed in a casing. Socket removal mechanism that allows the socket to be removed by operating the closing cover plate It is related to.

0002

[Prior art and issues]

In a type of gas valve in which the gas valve is housed in the casing, this gas valve is connected to the gas pipe. The circuit inside the gas valve is opened by connecting the socket of the fitting, and the socket cannot be removed. There is a type in which the circuit is interrupted by the operation. In this type of gas valve, the plug that is the counterpart of the socket is opened in the casing. It is exposed through the opening in the front panel that closes off the end. Therefore, when the gas valve is not in use, JP-A No. 2-7698 discloses a plug in which the exposed part of the plug is closed by a cover plate. It is proposed in No. 2. In this prior art, in addition to the above functions, the lid plate is In the open state, operate this to remove the socket connected to the plug. I try to do that. Therefore, the operation part for removing the socket is separate from the cover plate. There is no need to provide one. In addition, the socket can be opened simply by operating the open cover plate. It is easy to operate because the cover is removable.

0003 However, in this advanced branch surgery, the lid plate can be placed in two states: an open state and a closed state. Although the socket can be set and the socket can be removed in the open state, the socket cannot be removed. After that, the lid plate remains open, so it cannot be operated manually. Therefore, it is necessary to close it. Therefore, in some cases, the lid plate may be left open. In some cases, the plug (P) may be left unattended, and the opening of the plug (P) will be exposed. It is easy for dirt etc. to get into the plug. The present invention has been made in view of the above points, and is based on the idea that the gas inside the casing (3) The plug body (1) accommodates the plug (P) and closes the open end of the casing. The plug (P) is exposed through the opening of the front panel (30), and A lid plate (5) for closing the opening is provided in the casing, and the lid plate (5) is installed in the casing to close the opening. Equipped to be able to rotate from a position to an upright open position with respect to the surface of the front panel (30) the casing by pushing the lid plate into the casing in the open position. A gas valve solenoid that can activate the socket removal device (2) installed inside the gas valve. With the socket removal device, the cover plate automatically closes when the socket removal operation is completed. The task is to return to the blocked state.

0004

[Technical means]

The technical means of the present invention to solve the above problem is to A pair of arms (51) (51) protrude into the casing (3) from the opposite position, and The pair relationship between the arm and the casing (3) is maintained by a constant stroke in the axial direction of the plug (P). The arm (51) and the casing ( 3) is provided with a spring that biases the cover plate (5) toward the tip of the plug (P). The attachment part on the arm (51) side rotates the lid plate (5) from the closed position to the open position. In the process, it moves beyond the dead center with respect to the mounting part on the casing (3) side. and the movement trajectory of the arm (51) when pushing the lid plate (5) in the open position. An engaging piece (F) is provided in the middle of the trace, and an engaging protrusion is provided on a part of the tip of the arm (51). (54), and this engaging protrusion is connected to the engaging piece (F) when the cover plate (5) is in the closed position. The relationship is such that the engagement piece (F) is in a one-way engagement position when the engagement piece (F) is in a position apart from the engagement piece (F) in the open position. position, and maintain this one-way engagement relationship until the cover plate (5) returns to the non-pushing position. ``The relationship is such that it only engages when

[0005]

[Effect]

The above technical means works as follows. From opposing positions on both sides of the lid plate (5), insert the pair of arms (51) (51) into the casing ( 3) Protrude inward, and match the pairwise relationship between these arms and the casing (3) to the plug (P). The lid is set in a relationship that allows for constant stroke movement in the axial direction and relative rotation. When the plate (5) is rotated to stand upright with respect to the front panel (30), this cover plate opens. Additionally, a cover plate (5) is inserted between the arm (51) and the casing (3). A spring is provided on the tip side of the cover plate (P) to change the cover plate (5) from the closed position to the open position. In the process of rotation, it moves beyond the dead center relative to the mounting part on the casing (3) side. Therefore, in this open position, the spring attaches the cover plate (5) in the opening direction. This open posture is maintained. In this open position, the plug (P) will be exposed through the opening in the front panel (30). When a socket is connected to this plug, the gas circuit inside the gas valve will communicate. wife The gas will be used.

[0006] Further, the cover plate (5) is supported so as to be movable in the axial direction of the plug (P). When this cover plate (5) is pushed in in the open position, the socket attachment linked to this will open. The removal device (2) is activated to remove the socket connected to the plug (P). At this time, the engaging piece (F) and the engaging protrusion (54) of the arm (51) are in the engaging position. However, both are engaged only when the cover plate (5) returns to the non-pushing position. Since they are in a way engagement relationship, they move relative to each other without engaging.

[0007] When the pushing force of the cover plate (5) is released, the arm (51) and the casing are attached to the cover plate (5). The spring interposed between the plug (3) and the plug (P) is biased to return to the tip side of the plug (P). Due to the force acting on it, the lid plate (5) is now upright with respect to the front panel (30). Return to the position and move. The engagement piece (F) and the engagement protrusion (54) have the above relationship. Moreover, this engaging protrusion is separated from the engaging piece (F) when the cover plate (5) is in the closed position. When it is in the disengaged position and in the open position, it is in one-way engagement with the engaging piece (F). Since the engagement piece (F) and the engagement protrusion (54) are placed in the is engaged, and the cover plate (5) is rotated to the closed position and returned to the upward position. in this way When rotated, the engagement piece (F) and the engagement protrusion (54) are disengaged. Also, this A spring arm (51) that biases the cover plate (5) toward the tip of the plug (P) by rotation. The mounting part on the side moves beyond the dead center with respect to the mounting part on the casing (3) side, and this The lid plate (5) of is biased to the closed position. As a result, the lid plate (5) is attached to the front panel ( 30) is returned to the initial position with the opening closed. In this way, just by releasing the pushing force on the cover plate (5), the cover plate (5) can be placed in the closed position. He will be reinstated.

[0008]

【effect】

The cover plate (5) can be returned to the closed position simply by releasing the pushing force on the cover plate (5). Therefore, after removing the socket, a special operation is required to close the cover plate (5). This eliminates the need for additional work and prevents the inconvenience of leaving the plug (P) exposed. Ru.

[0009]

【Example】

Embodiments of the present invention will be described below with reference to FIGS. 1 to 9. The gas valve according to the embodiment of the present invention has the overall structure shown in FIGS. 4 to 7. body (1) and the plug (P) protruding from the gas valve body (1). It consists of an attached removal device (2). Then, the removal device ( The removal mechanism is housed in the cylindrical casing (3) that is the main body of the Installation where the shing (3) protrudes from the base end of the plug (P) of the gas valve body (1). The removal device (2) and the gas valve body (1) are screwed to the rod (11) (11). are integrated. The mounting rods (11) (11) are arranged at intervals of 90 degrees around the plug (P). It protrudes in a radial shape, and a screw hole (N) is formed at its tip, and these screw holes (N) (N) are arranged on one circumference centered on the plug (P).

0010 Further, the casing (3) has a spring (33) and a ring ( 4) and a semi-cylindrical part (3a) with an arcuate cross section arranged circumferentially to accommodate the A pair of upright pieces (3b) (3b) and a plate-like part (3 c) and a front panel (30) connecting the semi-cylindrical part (3a) and the plate-shaped part (3c). and a bottom wall (3) that integrally connects the pair of upright pieces (3b) and the plate-like portion. 6), the front panel (30), the bottom wall (36), and the semi-cylindrical part (3a). Four cylindrical parts (31) that are integrally connected and through which the mounting bolts (B) are inserted. It consists of (31). Then, as shown in Fig. 5, these cylindrical parts (31) (31) Arranged to match the screw holes (N) of the mounting rods (11) (11) of the stopper body (1) has been done. The mounting bolts (B) (B) inserted through the cylindrical portions (31) (31) are inserted into the screws. When screwing into the holes (N) and (N) separately, the casing (3) will open as shown in Figure 4. The removal device (2), which is composed of a mechanism section housed in the gas valve main body ( 1) will be installed. In addition, the gas valve main body (1) of this embodiment is a plug. (P) has a configuration including a gas connection part (12) in an aspect perpendicular to (P), The protruding direction of this gas connection part (12) is the same as that of a pair of adjacent attachments, as shown in FIG. It is located between the rods (11) (11). Therefore, as shown in the figure There are four mounting positions for the casing (3) with respect to the mounting rods (11) (11). It can be changed in the form of The gas valve was arranged so that the gas connection part (12) was oriented either left, right, up or down. However, by setting the mounting position of the casing (3) to the specified position, the wall The attitude of the removal device (2) with respect to the surface can be set to a constant attitude.

[0011] The removal device (2) of this embodiment will be described in further detail as follows. As shown in Figure 4, the removal device (2) can be lifted and lowered within the casing (3). is housed in the plug (P) and is constantly urged toward the proximal end of the plug (P) by a spring (33). A ring (4), a lever (40) arranged on the back side of this ring (4), and this It is composed of a lid plate (5) that is interlocked with a lever (40). As shown in the same figure and FIG. It is composed of a contacting arcuate part (41) and an input arm (42) following this. The tip of the force arm (42) extends from the opening (35) formed in the body of the casing (3). It protrudes and comes into contact with the end of the cover plate (5) when the socket (S) is removed. Also, the above A long hole is formed in the middle of the lever (40), and this is located near the plug (P). The protrusion (34) provided on the support part raised from the bottom wall of the casing (3) They are fitted, and this lever (40) rotates using this protrusion as a fulcrum.

0012 On the other hand, the lid plate (5) is a rectangular plate-like body as shown in FIG. The straight line of the arc-shaped part of the opening (37) formed in the front panel (30) of the casing (3) The width is set to be larger than the diameter and slightly smaller than the width of the rectangular part of the opening. , arms (51) (51) are extended downward from both sides of this plate-like body, and each arm (51) has a fulcrum shaft (52) that protrudes outward, as shown in Figures 1 to 3 and 8. The fulcrum shaft (52) is connected to the upright piece (3b) from the diameter line of the cylindrical portion (3a). ) side of the guide holes (32) (32) of the bearing plates (39) (39) ) is fitted. This guide hole (32) is constant in the axial direction of the plug (P). The fulcrum shaft (52) is placed in the guide hole (32). It is rotatable and movable parallel to the axis of the plug (P). In addition, the lid plate (5) A predetermined interval is provided between one end and the plate-shaped part (3c), and the cover plate (5) is When it is rotated about the point axis (52) to stand upright, its lower part becomes the cylindrical part ( 3a) and the plate-like portion (3c).

[0013] Furthermore, the tip (lower end) of the arm (51) is relative to the axis of the plug (P). The end edge (53) is perpendicular to the other end, and an engaging protrusion (54) extends downward from one end of the edge (53). protrude in one direction. The protruding position of this engaging protrusion (54) is the same as that of the fulcrum shaft (52). From below to the rear (backward in the direction of rotation of the arm (51) when the cover plate (5) is rotated upright) It is misaligned. In the casing (3), there is a hole in the vicinity of the guide hole (32) and the guide hole (32). The side end surface (38) of the semi-cylindrical portion (3a) is positioned at a certain distance from the inner hole (32). The side end surface (38) is parallel to the axis of the plug (P). Also, this side end surface ( 38) is provided with an engagement piece (F) made of a plate spring, and this engagement piece (F) has an upper end. It is fixed to the side end surface (38) and projects therefrom in an arc shape. Therefore, this The free end of the engagement piece (F) is separated from the side end surface (38) by a certain distance.

[0014] Also, the surface part (arm (51) side surface) of this engagement piece (F) and the guide hole part (32) The distance is the vertical distance between the fulcrum shaft (52) of the arm (51) and the tip of the engagement protrusion (54). Approximately corresponds to the distance. Note that the arc on the free end side of the engaging piece (F) is connected to the fulcrum shaft (52). The engaging protrusion (54) has a side perpendicular to the edge (53) and a support It has a shape composed of an outer circumferential edge consisting of an arc centered on the point axis (52). The radius of curvature of the arc of this outer periphery is slightly smaller than that of the engagement piece (F). It has been set. In the combination of the casing (3) and cover plate (5) configured as above, the cover plate (5) is attached to the casing. When the open end of the ring (3) is closed, the support is closed as shown in Figures 4 and 6. The point axis (52) is located at the tip end (upper end) of the plug (P) in the guide hole (32). ) located in In addition, in order to maintain the lid plate (5) in this position, the casing (3) ) and near the upper end of the guide hole (32) and near the engaging protrusion (54). A tension spring (55) is interposed between them. As a result, the tension spring (55) The tension lifts the cover plate (5) toward the tip of the plug (P) and It will be maintained in a closed state.

[0015] In the above embodiment, one end of the lid plate (5) is connected to the upright pieces (3b) (3b) and the plate-shaped part. (3c), the cover plate (5) will open as shown in Figures 2 and 4. It is opened parallel to the plug (P), and at this time, one end of the cover plate (5) is connected to the lever. The bar (40) comes into contact with the input arm (42). On the other hand, the tip of the arm (51) The engaging protrusion (54) is positioned above the engaging piece (F) with the rotation. or, The biasing force in the rotational direction of the cover plate (5) due to the tension of the tension spring (55) is applied to the lever ( 40) is set smaller than the upward biasing force acting on the input arm (42). , due to the contact between the input arm (42) and the end of the cover plate (5), further movement of this cover plate is caused. Rotation is now blocked. When the socket (S) is connected to the gas valve body (1), the internal circuit is opened and the gas valve is turned off. The structure is such that gas is supplied to the downstream side of the jacket (S), and as mentioned above, the lid plate ( 5), and connect the socket ( When S) is connected to the plug (P), gas is supplied.

[0016] To remove the socket (S) from this state, insert the cover plate (5) inside the casing (3). Push it into. At this time, the point of action of the cover plate (5) is biased with respect to the fulcrum shaft (52). However, the fulcrum shaft (52) of the arm (51) is a guide extending in the direction along the axis of the plug (P). Since the cover plate (5) was fitted into the hole (32), the cover plate (5) maintained an upright position. The input arm (42) can be pushed in with the button still in place. As a result, the arcuate portion (41) is connected to the plug (P ) to push up the ring (4) against the spring (33) and remove the socket. Push in the protruding cylinder part (So) of (S) and remove the socket (S) from the plug (P). It will be done. This closes the gas circuit within the gas valve body (1). Furthermore, this In the process, the arm (51) is also pushed in, so it is placed above the engaging piece (F). The engaging protrusion (53) of the arm (51) that was located is at the free end of the engaging piece (F). is pushed in while bending laterally, and in its final position, the engagement protrusion (53) engages the engagement piece. (F) lies over the free end.

[0017] After that, when the pushing force of the cover plate (5) is released, this cover plate (5) is moved to the lever (40). ) and the urging force of the tension spring (55). Konoto Since the engaging protrusion (53) is engaged with the free end of the engaging piece (F), the above-mentioned The arm (51) is rotated in the opposite direction (counterclockwise in Fig. 3) by the lifting force. Ru. As a result, when the tension spring (55) is rotated in the opposite direction by a certain angle, the lower end of the tension spring (55) crosses the dead center. The engagement protrusion (53) and the engagement piece (F) are disengaged, and the lid is removed. A biasing force acts on the plate (5) in the closing direction, and it eventually returns to the closed state shown in Figure 1. . As described above, in this embodiment, the cover plate (5) is opened and the socket (S) is plugged in. To remove this socket (S) after connecting it to the socket (P), press the cover plate (5). Just put it in. In addition, the cover plate (5) releases the pushing force for removing the socket. It will automatically return to the closed state.

[Brief explanation of drawings]

[Fig. 1] Side view of a socket removal device block according to an embodiment of the present invention.

[Figure 2] Explanatory diagram of the arm (51) with the lid plate (5) open

[Fig. 3] Relationship diagram between the arm (51) and the engagement piece (F) when the cover plate (5) is pushed in

[Figure 4] Cross-sectional view of the entire gas valve equipped with a socket removal device

[Figure 5] XX sectional view

[Figure 6] Overall plan view

[Figure 7] Perspective view of casing (3)

[Figure 8] Diagram explaining the operation when removing the socket (S)

[Figure 9] Perspective view of main parts

[Explanation of sign]

(3)...Casing (1)...Gas valve body (p)...Plug (30)...Front panel (5)...Lid plate (2)...Socket removal device (51)...arm (P)...Plug (F)...Engagement piece (54)...Engaging protrusion

Claims (1)

[Scope of utility model registration request] 1. A plug (P) of a gas valve main body (1) is accommodated in a casing (3), and the plug (P) is exposed through an opening in a front panel (30) that closes the open end of the casing. , a lid plate (5) for closing the opening of the front panel is provided on the casing, and the lid plate (5) can be rotated from a closed position to an open position standing upright with respect to the surface of the front panel (30). In the socket removal device for a gas cock, the socket removal device (2) installed in the casing can be activated by pushing the cover plate into the casing in the cover plate open position. A pair of arms (51) from opposite positions on both sides of (5)
1) protrudes into the casing (3), and the pairwise relationship between these arms and the casing (3) is set such that they can move linearly at a constant stroke in the axial direction of the plug (P) and can rotate relative to each other. A spring is provided between the arm (51) and the casing (3) for biasing the cover plate (5) toward the tip of the plug (P), and the attachment part of this spring on the arm (51) side is attached to the cover plate ( 5)
In the process of rotating from the closed position to the open position, the arm ( An engaging piece (F) is provided in the middle of the movement locus of the arm (51), and an engaging protrusion (54) is provided at a part of the tip of the arm (51), and this engaging protrusion is connected to the cover plate (5). In the closed position, it is located away from the engaging piece (F), and in the open position, it is positioned in a one-way engagement relationship with the engaging piece (F), and this one-way engagement relationship is maintained by the lid plate (5). A gas cock socket removal device that engages only when returning to a non-pushing position.