TWI725850B - Bath and toilet door lock - Google Patents

Abstract

A bath and toilet door lock, the door lock comprising a rotating unit and a rotating unit embedded in each other Indicates the unit. The rotating unit includes a lock base group, an arc-shaped tongue and a gear that is engaged with a rack, and a set on the outside of the lock base group and is arranged inside the lock base group. The fixed set corresponding to the indicating unit, and a rotating member that extends through the fixed set, the lock seat set, the gear and the indicating unit and rotates the gear to drive the arc-shaped bolt to advance and lock or retreat to unlock . The indicating unit includes a handle body and a shaft hole arranged inside the handle body for the rotating part to be inserted. The door lock mainly enables the arc-shaped tongue to increase its strength. When the chimera on the door frame is advanced or retracted, when the user pulls the previously closed door panel of the bathroom, The arc lock tongue and the door frame can be prevented from being deformed or damaged when they collide with each other, so as to improve the service life of the arc lock tongue.

Description

Bath and toilet door lock

The invention relates to a door lock, in particular to an arc-shaped lock tongue that increases the strength of the force, which can be used by users Pulling the previously closed door panel can prevent the arc lock tongue from hitting the door frame to be deformed or damaged, so as to lift the arc lock Tongue life bath and toilet door lock.

Please refer to Figures 1 to 3, the existing public toilets can be opened or closed The door lock 1 on the door panel 10, especially the bolt 11 of the door lock 1 is a rectangular sheet, and the rotating body 12 is installed on The inner side of the bath-toilet door plate 10 and the indicator body 13 which is oppositely embedded with the rotating body 12 are installed on the bath-toilet door The outside of the board 10.

Please refer to Figure 3, because the lock tongue 11 inside the rotating body 12 is fixed on the door frame 100 The sheet 101 is usually separated, and when someone uses the toilet to be locked, there may be external users While waiting, the indicator 13 cannot be seen showing that someone is in use, and the user pulls the toilet door 10. Cause the bolt 11 and the fixing piece 101 on the door frame 100 to collide with each other, after long-term use, Or the user exerts too much force to hit hard, it will easily cause the lock tongue 11 to be deformed or damaged by the impact, or even The lock tongue 11 cannot be inserted into the fixing groove 102 of the fixing piece 101, which will eventually affect the lock tongue 11 cannot be locked. The function of closing, together with the indicator body 13 installed on the outside of the bathroom door panel 10 cannot rotate, and lose the The indicator 13 on the outside of the bathroom door panel 10 shows the function of whether there is a person or not, so the existing lock tongue 11 has an upper The lack of the above mentioned is how to develop an increase in the force strength of the arc lock tongue itself, which can be used by the user in Pulling the previously closed bathroom door panel can prevent the arc-shaped latch from hitting the door frame to be deformed or damaged, so as to enhance the arc Bath and toilet door locks that have a service life of the tongue are actually a problem that the industry needs to solve urgently.

The main purpose of the present invention is to solve the shortcomings of the existing lock tongue in the shape of a rectangular sheet, and to propose related The improvement method aims at the defect that the lock tongue and the fixing piece on the door frame collide with each other and deform or damage. point. The present invention provides a bath and toilet door lock, which mainly increases the force strength of the arc-shaped tongue. When the The rotating member drives the arc-shaped lock tongue to advance into or retreat into the mosaic body on the door frame, and use When pulling the previously closed door panel of the bathroom to avoid the arc lock tongue and the door frame from colliding with each other Sometimes deformed or damaged to increase the service life of the arc-shaped bolt.

According to the foregoing objective, the present invention provides a bathroom closet door lock, which is used to install in a bathroom closet The door panel is locked in a door frame with a catch, and the door lock includes a rotating single mounted on the inner side of the bathroom door panel Element and an indicating unit installed on the outside of the bathroom door panel and oppositely embedded with the rotating unit; wherein the rotating The moving unit includes a lock base group, a lock base set inside the lock base group with an arc-shaped lock tongue, and one and one The rack located in the arc-shaped tongue forms a meshing gear, and a set is set on the outside of the lock seat group and is connected with the indicator The fixed set assembled correspondingly to the unit, and a penetrating through the fixed set, the lock seat set, the gear and the Indicating unit and rotating the gear to drive the arc-shaped bolt forward or backward; the lock seat assembly is provided with A seat body and a fixing plate that is mutually engaged with the seat body, and one end of the seat body facing the fixing plate is provided with a supply The arc-shaped lock tongue is matched with a concave arc groove for clamping, and one end of the fixing plate facing the seat body is provided with a pressing arc A convex block matched with a shaped lock tongue; the fixing sleeve is provided with a first sleeve body and a mutual engagement with the first sleeve body A second sleeve body, one end of the first sleeve body facing the seat body is provided with a seat for the seat body to fit and have There is a first accommodating space with an opening, and a peripheral edge of the first sleeve body is provided for the arc lock tongue to advance or retreat The first notch of the running diameter, the end of the second sleeve body facing the fixing plate is provided with a fitting for the fixing plate A second accommodating space with an opening is provided, and a peripheral edge of the second sleeve body is provided for the arc lock tongue to advance Or the second notch of the retreat path; the rotating member is formed by extending a shaft connected to the gear toward one end of the rotating unit A first shaft that rotates forward and backward, and a shaft extending from one end of the first shaft is connected to the indicating unit and runs along the The first shaft rotates and synchronously drives the second shaft of the indicating unit to rotate forward and backward; the indicating unit includes A handle body, a second shaft rod arranged inside the handle body and provided with a rotating member corresponding to The convex shaft that enters the shaft hole, and an end far away from the convex shaft is provided with a display color window; wherein, when the The rotating member is rotated to the first shaft to rotate the gear so that the arc-shaped bolt advances and protrudes and inserts The insert on the door frame is locked in the body, and the second shaft will rotate accordingly to drive the indicating unit to rotate To the display color window to show the closed color, and when the rotating member is reversely rotated to its first axis Lever to rotate the gear to make the arc-shaped bolt retract inward to return to its position and unlock in the interlocking body, and the The second shaft will also rotate accordingly to drive the indicating unit to rotate to the display color window to show the open color. color.

Furthermore, the concave arc grooves of the seat body are separately provided on both sides of one end of the seat body, and are located on the seat body The concave arc grooves on both sides are shaped to match the arc-shaped bolt-shaped body, and the seat is located at each of the concave arc grooves. The middle position is provided with a first perforation for the first shaft to extend, and the upper and lower ends of the concave arc groove Respectively provided with a corresponding first through hole and two embedded holes respectively provided on both sides of the first through holes, The seat body is provided with a first concave arc surface at one end away from each concave arc groove; wherein, the convex block of the fixing plate is divided into The convex blocks arranged on both sides of one end of the fixing plate and located on both sides of the fixing plate are shaped to match the pressing The arc-shaped lock tongue-shaped body is provided, and the fixed plate position is provided at the middle position of each convex block for the first shaft The second through hole through which the rod extends, and the upper and lower ends of the convex block are respectively provided with the first through holes Corresponding to a second through hole, and respectively disposed on both sides of the second through holes and respectively connected to the first The embedding hole corresponds to the two embedding inlays.

Furthermore, the inner bottom end of the first accommodating space of the first sleeve body forms a concave arc surface with the first concave Matching convex body, and one end of the first sleeve body away from the convex body is provided with a second concave arc surface, and in the The central position of the second concave arc surface is provided with a first hole corresponding to the first perforation and for the first shaft to extend through. Sleeve holes, and two first fixed holes respectively located on both sides of the first sleeve hole and corresponding to the first through holes Fixed holes for the two locking members to penetrate into the first fixing holes and extend to the first and the first fixing holes respectively Two through holes; wherein a central position of the second sleeve body is provided with a corresponding to the second through hole and for the The second set of holes through which the first shaft rod extends, two are respectively located on both sides of the second set of holes and extend through the second and The first through holes and the protruding posts corresponding to the first fixing holes, the insides of the protruding posts are respectively A screw hole corresponding to the first fixing holes is provided for the fasteners to be respectively locked into the screw holes Fixed in the middle, and two second fixing holes respectively located in the vertical direction of the protruding posts for two The fixing parts penetrate the second fixing holes and extend to the bathroom door panel respectively, and form a solid with the indicating unit. The rotating unit and the indicating unit are installed and fixed on the inner and outer sides of the bathroom door panel.

Furthermore, the arc-shaped bolt is provided with a rectangular hole at a position corresponding to the first perforation, and the The rack system is set above the rectangular hole for the gear system to interact with the rack when it rotates in the rectangular hole. Form engagement.

Furthermore, the pull handle is located on both sides of the shaft hole and is extended with two respectively facing the bathroom door The board and the fixing rods extending through the second fixing holes, each of the fixing rods is provided with a locking hole for supplying The two fixing parts are respectively penetrated into the locking holes and fixed, so that the indicating unit is fixed on the outside of the bathroom door panel on.

Furthermore, the rotating member is a shape matched with the second concave arc surface and is formed from two sides respectively. A long arc protruding inward, one side of the first shaft is in a plane shape, and the two ends of the plane are outwardly respectively A circular shape is arranged around the ring, and the second shaft is a square shape.

Furthermore, the gear is provided with a shaft hole that matches the shape of the first shaft. One side of the shaft hole is in a plane shape, and both ends of the plane shape are respectively ringed outwardly with a circular shape.

Furthermore, the shaft hole of the handle body has a square shape that matches the shape of the second shaft. hole.

In summary, the bath and toilet door lock of the present invention can achieve the following characteristics:

The door lock for the bath and toilet of the present invention is used to be installed on the door panel of the bath and toilet to be locked in the door frame with a catch, The rotating unit is installed on the inner side of the bathroom door panel and the indicating unit that is relatively embedded with the rotating unit Installed on the outside of the door panel of the bathroom and toilet, the arc lock tongue, which itself is an arc body, can increase its force strength. When the rotating member is rotated to drive the arc-shaped lock tongue to extend in or retract back to the mosaic body on the door frame When the user pulls the previously closed bathroom door panel, it can avoid the arc lock tongue and the door frame. They are deformed or damaged when they collide with each other to increase the service life of the arc-shaped bolt.

In order to enable your committee members to have a deeper understanding and recognition of the features, purposes and effects of the present invention, a preferred embodiment is enumerated and illustrated below with the drawings:

Please refer to Fig. 4 to Fig. 6, and cooperate with Fig. 7 to Fig. 12 to provide a method for the present invention A bathroom closet door lock, the door lock 2 is used to be installed on a bathroom closet door panel 9 and locked in a door frame 91 with a catch. The door The lock 2 includes a rotating unit 3 installed on the inside of the bathroom door panel 9 and a rotating unit 3 installed on the outside of the bathroom door panel 9 and The indicating unit 8 is engaged with the rotating unit 3 oppositely. among them,

The rotating unit 3 includes a lock seat group 4, and a lock seat group 4, which is arranged inside the lock seat group 4 and has an arc inside. Shaped lock tongue 5 and a gear 52 that forms a meshing connection with a rack 51 in the arc-shaped lock tongue 5, a set set in the lock The fixing set 6 assembled on the outside of the seat set 4 and corresponding to the indicating unit 8, and a fixing set 6 that extends through, The lock seat set 4, the gear 52, and the indicating unit 8 and rotate the gear 52 to drive the arc-shaped bolt 5 forward to lock Rotating member 7 for fixed or backward unlocking. Among them, the lock seat assembly 4 is provided with a base 41 and a base 41 that is mutually engaged with the base 41 The fixed plate 42 of the seat body 41 is provided with an end of the seat body 41 facing the fixed plate 42 for the arc-shaped lock tongue 5 to cooperate and hold The concave arc groove 411 of the seat body 41 is separately provided on both sides of one end of the seat body 41, and is located in the seat Each of the concave arc grooves 411 on both sides of the body 41 is shaped to match the arc-shaped latch 5-shaped body, and the seat body 41 is located in each of the A first perforation 412 is provided in the middle of the concave arc groove 411, and is located at the upper and lower ends of each of the concave arc grooves 411 A corresponding first through hole 413 and two corresponding first through holes 413 are respectively provided on both sides of the first through holes 413. An embedded hole 414, the seat 41 is provided with a first concave arc surface 415 at one end away from each of the concave arc grooves 411; the fixing plate 42 One end of the seat body 41 is provided with a convex block 421 for pressing the arc-shaped latch 5 to cooperate, and the fixing plate 42 The convex block 421 is separately provided on both sides of one end of the fixing plate 42, and is located on each of the convex blocks on both sides of the fixing plate 42. The shape of the shaped block 421 is arranged to fit and press against the arc-shaped bolt 5, and the fixing plate 42 is located on each of the convex blocks 421. Is provided with a second through hole 422 in the middle position, and is located at the upper and lower ends of the convex block 421 with the A second through hole 423 corresponding to the first through holes 413, and is respectively provided in the second through holes 423 Two convex inlays 424 on both sides and respectively corresponding to the first embedding holes 414 are embedded.

In this embodiment, the cross-sectional area of the arc-shaped tongue 5 is more designed to be an arc-shaped body. In this way, the arc lock tongue 5 is made to extend into or retract back into the insertion hole of the mosaic body 910 on the door frame 91 At 911, the arc-shaped bolt 5 itself can be made to increase the strength of the force. When the user pulls the original closed When the bathroom door panel 9 is closed, the arc-shaped latch 5 and the door frame 91 can be prevented from being deformed or damaged when they collide with each other. Damaged, to increase the service life of the arc-shaped tongue 5. In addition, the arc-shaped bolt 5 is positioned opposite to the first perforation 412 A rectangular hole 50 is provided at the corresponding position, and the rack 51 is formed above the rectangular hole 50 for the gear 52 When it rotates in the rectangular hole 50 and forms a meshing connection with the rack 51, the arc lock tongue 5 is moved forward or backward act. As shown in the figure, the gear 52 is provided with a shaft hole 521 inside. In this embodiment, the shaft hole One side of the 521 is a flat shape 522 and a circular shape 523 is ringed outward from both ends of the flat shape 522 respectively.

The fixed sleeve 6 is provided with a first sleeve body 61 and a second sleeve that is mutually engaged with the first sleeve body 61 Body 62, wherein one end of the first sleeve body 61 facing the seat body 41 is provided with a seat for the seat body 41 to fit in and have There is a first accommodating space 612 with an opening 611, and the outer periphery of the first sleeve body 61 is provided with a front for the arc lock tongue 5 Enter the first gap 613 for locking or retreating to unlock, and in the inner bottom of the first accommodating space 612 of the first sleeve body 61 The end forms a convex round body 614 that matches with the first concave arc surface 415, and the first sleeve body 61 is far away from the convex round body A second concave arc surface 615 is provided at one end of the 614, and a second concave arc surface 615 is provided at the center of the second concave arc surface 615. A first set of holes 616 corresponding to a through hole 412, and two are located on both sides of the first set of holes 616 and are respectively connected to the The first fixing holes 617 corresponding to the first through holes 413 for the two locking members 618 such as screws to penetrate respectively The first fixing holes 617 extend into the first and the second through holes 413 and 423, respectively; the first One end of the two sets of bodies 62 facing the fixing plate 42 is provided with an opening for the fixing plate 42 to fit in and have an opening In the second receiving space 622 of the 621, the outer periphery of the second sleeve body 62 is provided with an arc lock tongue 5 for forward locking or The second notch 623 is retracted and unlocked. The center of the second sleeve body 62 is provided with a second through hole 422 and The second set of holes 624 corresponding to the through hole 90 of the bathroom door panel 9 are located on both sides of the second set of holes 624 and Respectively extend through the second and the first through holes 423, 413 and the corresponding first fixing holes 617 Protruding posts 625, the inside of the protruding posts 625 are respectively provided with a corresponding to the first fixing holes 617 Screw holes 6251, for the locking members 618 to be locked into the screw holes 6251 to be fixed, so that the lock seat assembly 4 sets Are combined and fixed in the fixing set 6, and two are respectively positioned in the vertical direction of the protruding posts 625 The second fixing holes 626 are used for the two fixing members 627 such as screws to respectively penetrate into the second fixing holes 626 and extend through Into the hole 900 corresponding to the bathroom door panel 9 and form a fixation with the indicating unit 8, so that the rotating unit 3 And the indicating unit 8 is installed and fixed on the inner and outer sides of the bathroom door panel 9.

The rotating member 7 extends toward one end of the rotating unit 3 with a shaft connected to the gear 52 to form a forward and reverse rotation. A first shaft 71, and a shaft extending from one end of the first shaft 71 to the indicating unit 8 and along the first shaft 71 rotates and synchronously drives the second shaft 72 of the indicating unit 8 to rotate forward and backward. In more detail, the rotation The piece 7 is a long arc that matches the shape of the second concave arc surface 615 and protrudes inward from both sides. It is convenient for the user to hold the rotating member 7 by hand. In this embodiment, one side of the first shaft 71 is a A planar shape 711 and a circular shape 712 are respectively ringed outward from both ends of the planar shape 711, and the first shaft 71 After passing through the first set of holes 616, the first perforation 412, and the shaft hole 521 of the gear 52, and pass through Extend the second perforation 422 and the second set of holes 624, and finally penetrate into the through hole 90 of the bathroom door panel 9 and It is embedded with the indicating unit 8 so that the first shaft 71 can be accommodated in the shaft hole 521 when locked or unlocked Inside, to improve the stability between the first shaft 71 and the shaft hole 521, and thereby the first shaft 71 with The gear 52 moves in the rectangular hole 50 and forms a meshing connection with the rack 51, thereby synchronously driving the arc The lock tongue 5 is locked forward or unlocked backward, which can prevent the first shaft 71 from being hollow in the shaft hole 521 turn. The second shaft 72 has a square shape, but the first shaft 71 and the second shaft 72 can also be other Corner columns or elliptical columns, etc., are not limited to this.

The indicating unit 8 includes a handle body 81, a handle body 81 arranged inside the handle body 81 and has a handle for the The second shaft 72 of the rotating member 7 corresponds to the convex shaft 82 of the shaft hole 821 inserted therein, and a convex shaft 82 away from the shaft 82 A display color window 83 is provided at one end of the device. Among them, the handle body 81 is set as an inverted triangle with a wide upper and a narrow bottom. The square system is set as a concave arc notch 811 for the user to insert and pull the handle body toward the concave arc notch 811 81 is in an open state; the convex shaft 82 penetrates into the through hole 90 of the bathroom door panel 9, and the shaft hole 821 is a and The second shaft 72 is a square hole through which the shape matches, but the shaft hole 821 can also be other polygonal posts or Elliptic cylinders, etc., are not limited to this. At this time, the second shaft 72 penetrates the shaft hole 821 to form a shaft connection, and The second shaft 72 will also drive the indicating unit 8 to rotate to the display color along with the rotation of the first shaft 71 The color window 83 presents the closed or open color; and on both sides of the shaft hole 821 are extended two respectively facing The fixing rod 84 extending through the hole 900 corresponding to the bathroom door panel 9 and the second fixing hole 626 is fixed The rod 84 is provided with a locking hole 841. In this embodiment, the locking holes 841 are screw holes for the The fixing members 627 are respectively penetrated into the fixing holes 841 and fixed, so that the indicating unit 8 is fixed to the bathroom door panel 9 On the outside.

Please refer to Figures 7 to 9, and in conjunction with Figures 10 to 12, when in use, the user After closing the bath-toilet door 9 and turning the rotating member 7 to lock, the rotating member 7 is now rotating To the first shaft 71 to rotate the gear 52 to advance the arc-shaped lock tongue 5 and extend into the door frame 91 The inserting hole 911 of the embedding body 910 on the upper part is locked, so that the bathroom door panel 9 and the door frame 91 are locked, and The second shaft 72 will also rotate accordingly to drive the indicating unit 8 to rotate to the display color window 83 to display If you turn off the color, you can tell the outside waiting users that the toilet is already in use, as shown in Figure 9 Shown. When the user wants to open the bathroom door panel 9 after using the bathroom toilet, and then rotate the rotating member 7 to release When locked, the rotating member 7 is rotated in the reverse direction to the first shaft 71 to rotate the gear 52 to make the arc lock tongue 5 Retreat and retract inward to return to the position and unlock in the mosaic body 910, so that the bathroom door panel 9 and the door frame 91 are unlocked State, and the second shaft 72 will also rotate accordingly to drive the indicating unit 8 to rotate to the display color window 83 in order to show the open color, you can inform the outside waiting user that this bathroom is available for the next person to use Status, as shown in Figure 12.

However, the foregoing is only a preferred embodiment of the present invention, and its purpose is to enable those who are familiar with the art to be able to To understand the content of the present invention and implement it according to it is not used to limit the scope of the present invention; It is stated that the equivalent changes or modifications of the shapes, structures and features described in the scope of the application shall be included in the present invention. Ming's application for patents.

(existing) 1: door lock 10: Bathroom door panel 100: door frame 101: fixed piece 102: fixed slot 11: Lock tongue 12: Rotating body 13: indicator (this invention) 2: door lock 3: Rotating unit 4: Lock seat group 41: Seat 411: concave arc slot 412: First Piercing 413: first through hole 414: Embedded Hole 415: The first concave arc 42: fixed plate 421: convex block 422: second perforation 423: second through hole 424: Convex Inlay 5: Curved tongue 50: rectangular hole 51: rack 52: Gear 521: Axle Hole 522: Plane 523: round shape 6: Fixed set 61: The first set of body 611: open 612: first accommodation space 613: The first gap 614: Convex 615: second concave arc 616: first set of holes 617: first fixing hole 618: lock firmware 62: The second set of body 621: open 622: second accommodation space 623: second gap 624: second set of holes 625: Convex Post 6251: screw hole 626: second fixing hole 627: fixed parts 7: Rotating parts 71: The first shaft 711: Planar 712: round shape 72: second shaft 8: Indicating unit 81: Pull the body 811: concave arc gap 82: Convex shaft 821: Shaft hole 83: Display color window 84: fixed rod 841: Lock Hole 9: Bathroom door panel 90: Through hole 900: Hole 91: door frame 910: Chimera 911: recessed hole

Figure 1: A three-dimensional schematic diagram of the existing bathroom closet door lock, bathroom closet door panel, and door frame configuration. Figure 2 is a three-dimensional schematic diagram of the configuration of the bathroom door lock and the bathroom door panel in Figure 1. Figure 3: A schematic top view of the bolt deformed by impact in Figure 1. Fig. 4 is a three-dimensional exploded view of the configuration of the bath-toilet door lock and the bath-toilet door panel according to the present invention. Fig. 5 is a perspective exploded view of Fig. 4 with the bathroom closet door lock and bathroom door panel configuration from another angle. Figure 6: Figure 4 is the three-dimensional decomposition of the rotating unit and indicating unit of the bathroom door lock on the bathroom door panel Figure. Figure 7: is a side cross-sectional view of the combination of the rotating unit and the indicating unit of the bath-toilet door lock in Figure 4; Fig. 8 is a perspective schematic view of Fig. 4 in which a rotating member drives the arc-shaped bolt to advance and lock. Figure 9: The arc lock tongue of Figure 8 is moved forward to lock and the display color of the indicator unit on the outside of the bathroom door panel is visualized. The window presents a perspective view of the closed color. Fig. 10 is a perspective schematic diagram of Fig. 4 in which the rotating member rotates the gear and drives the arc-shaped bolt to retract to unlock. Figure 11: is a three-dimensional schematic diagram of Figure 10 with a rotating member driving the arc-shaped bolt to retreat and unlock. Figure 12: The arc-shaped bolt in Figure 11 is retracted to unlock and make the display color of the indicator unit on the outside of the bathroom door panel. The window presents a three-dimensional view of the open color.

2: door lock

3: Rotating unit

4: Lock seat group

41: Seat

411: concave arc slot

412: First Piercing

413: first through hole

414: Embedded Hole

42: fixed plate

421: convex block

422: second perforation

423: second through hole

424: Convex Inlay

5: Curved tongue

50: rectangular hole

51: rack

52: Gear

521: Axle Hole

522: Plane

523: round shape

6: Fixed set

61: The first set of body

611: open

612: first accommodation space

613: The first gap

614: Convex

616: first set of holes

617: first fixing hole

618: lock firmware

62: The second set of body

623: second gap

624: second set of holes

626: second fixing hole

627: fixed parts

7: Rotating parts

71: The first shaft

711: Planar

712: round shape

72: second shaft

8: Indicating unit

81: Pull the body

811: concave arc gap

83: Display color window

84: fixed rod

9: Bathroom door panel

90: Through hole

900: Hole

Claims (8)

A bathroom closet door lock, which is used to be installed on a bathroom closet door panel and locked in a door frame with a catch, The door lock includes a rotating unit installed on the inside of the bathroom door panel and a rotating unit installed on the outside of the bathroom door panel. An indicating unit that is relatively embedded with the rotating unit; wherein The rotating unit includes a lock base group, and an arc lock tongue arranged inside the lock base group And a gear that meshes with a rack in the arc-shaped tongue, a set of gears set on the outside of the lock seat group and The fixed set assembled corresponding to the indicating unit, and a penetrating through the fixed set, the lock seat set, the The gear and the indicating unit rotate the gear to drive the rotating member of the arc-shaped bolt forward or backward; the lock The seat assembly is provided with a seat body and a fixing plate mutually engaged with the seat body, and the seat body faces one end of the fixing plate Is provided with a concave arc groove for the arc lock tongue to be matched and clamped, and the fixing plate is provided with a concave arc groove at one end facing the seat body The convex block matched with the arc-shaped tongue is pressed; the fixed set is provided with a first sleeve body and a first sleeve A second sleeve body that engages with each other, and one end of the first sleeve body facing the seat body is provided with a seat for matching with the seat body The first accommodating space is inserted and has an opening, and the outer periphery of the first sleeve body is provided with a front for the arc lock tongue For the first notch of the forward or backward travel path, one end of the second sleeve body facing the fixing plate is provided with a fixing plate for the fixing plate The second receiving space is fitted in and has an opening, and the outer periphery of the second sleeve body is provided with an arc-shaped The second notch of the forward or backward path of the lock tongue; the rotating member extends toward the end of the rotating unit with a shaft connected to the The gear forms a first shaft that rotates forward and backward, and a shaft extends from one end of the first shaft to the indicating unit And rotate along the first shaft to synchronously drive the second shaft of the indicating unit to rotate in the forward and reverse directions; The indicating unit includes a handle body, a handle set inside the handle body and a rotating part The second shaft corresponds to the convex shaft of the shaft hole inserted into it, and an end far away from the convex shaft is provided with a display color Color window; wherein, when the rotating member is rotated to the first shaft, the gear is rotated to make the arc lock The tongue advances and extends outward to be inserted into the fitting body on the door frame to lock, and the second shaft will also rotate accordingly. Drive the indicating unit to rotate to the display color window to show the closed color, and when the rotating part is reversed Rotate to the first shaft to rotate the gear so that the arc-shaped bolt retracts inward and rests on the embedded The body is unlocked, and the second shaft will rotate accordingly to drive the indicating unit to rotate to the display color The window shows the open color. The bath and toilet door lock according to claim 1, wherein the concave arc groove of the seat body is separately provided at one end of the seat body On both sides, the concave arc grooves on both sides of the seat body are in shape to match the arc-shaped tongue-shaped body to resist, and the seat The body position is provided with a first perforation for the first shaft to extend in the middle position of each concave arc groove, and is positioned at The upper and lower ends of the concave arc groove are respectively provided with a corresponding first through hole and are respectively provided in the first through holes Two embedded holes on both sides of the perforation, the seat body is provided with a first concave arc surface at one end away from each of the concave arc grooves; wherein, the The convex blocks of the fixing plate are separately arranged on both sides of one end of the fixing plate, and are located on the convex blocks on both sides of the fixing plate. The shape of the shaped block is set to fit and press against the arc-shaped lock tongue shape body, and the fixed plate is located at the middle position of each convex block. Is provided with a second through hole for the first shaft to extend, and is located at the upper and lower ends of the convex block, respectively There is a second through hole corresponding to the first through holes, and two of the second through holes are respectively provided Two convex inlays on the side and respectively corresponding to the first embedding holes. The bathroom and toilet door lock according to claim 2, wherein the inner bottom end of the first accommodating space of the first sleeve body is shaped To form a convex body matching the first concave arc surface, and one end of the first sleeve body away from the convex body is provided with a The second concave arc surface, and in the center of the second concave arc surface is provided with a corresponding to the first perforation and for the The first set of holes through which the first shaft extends, and the two are respectively located on both sides of the first set of holes and are respectively connected to the first set of holes Perforate the corresponding first fixing holes for the two locking members to penetrate and extend through the first fixing holes respectively To the first and the second through holes; wherein a central position of the second sleeve body is provided with a The two perforations correspond to the second set of holes for the first shaft to extend through, and the two are located on both sides of the second set of holes. Respectively extend through the second and the first through holes and the protruding posts corresponding to the first fixing holes, the The inside of the protruding posts are respectively provided with a screw hole corresponding to the first fixing holes for the locking The pieces are respectively locked into the screw holes and fixed, and the two pieces are respectively positioned in the vertical direction of the convex connecting posts. The second fixing holes are used for the two fixing members to penetrate into the second fixing holes and extend to the bathroom door panel and connect with each other. The indicating unit is fixed, so that the rotating unit and the indicating unit are installed and fixed in the bathroom door panel On the side and outside. The bath and toilet door lock according to claim 2, wherein the arc-shaped bolt is located at a position corresponding to the first perforation A rectangular hole is provided, and the rack is arranged above the rectangular hole for the gear to be attached to the rectangular hole. When rotating in the hole, it forms a meshing connection with the rack. The bathroom and toilet door lock according to claim 3, wherein the handle is extended on both sides of the shaft hole respectively Two fixing rods extending toward the bathroom door panel and the second fixing holes respectively, and the inside of the fixing rods are respectively A locking hole is provided for the two fixing members to penetrate into the locking holes to fix the indicator unit On the outside of the bathroom door panel. The bath and toilet door lock according to claim 3, wherein the rotating member is a shape matching the second concave arc surface A long arc shape projected inwardly from both sides. One side of the first shaft is a flat surface and is formed by Both ends of the plane shape are respectively ringed outwardly with a circular shape, and the second shaft is in a square shape. The bath and toilet door lock according to claim 6, wherein the gear is provided with a shape corresponding to the shape of the first shaft. The shaft hole is matched with the shaft hole, one side of the shaft hole is a plane shape and the two ends of the plane shape ring outward respectively Set a circular shape. The bath and toilet door lock according to claim 6, wherein the shaft hole of the handle body is in the shape of a shaft and the second shaft. A square hole that matches the shape of the hole.

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