CN209252599U - A kind of step-in type bathtub convenient to use - Google Patents

Abstract

The utility model discloses a kind of step-in type bathtubs convenient to use, including clamping mechanism, bathtub handrail, bathtub lock, tub door, sealing strip and cylinder body；The left end lower surface of bathtub handrail is equipped with lockhole, and bathtub lock is mounted in lockhole, and the upper surface of bathtub handrail is equipped with handle hole, for operating to bathtub lock；The upper end of tub door is fixedly connected with the lower surface of bathtub handrail, and sealing strip is arranged along the edge of the front surface of tub door；The side wall of cylinder body is equipped with doorway, and the inside of cylinder body is arranged in tub door, and the right end of tub door and the inner wall of cylinder body are hinged, and the upper end of the left side edge on doorway is arranged in clamping mechanism；When tub door is in close state, in clamping mechanism, bathtub door shield is extruded on the inner wall of cylinder body bathtub lock card in the inside on doorway, and by sealing strip；The utility model has good airproof performance, easy-to-use and safe and reliable advantage.

Description

A kind of step-in type bathtub convenient to use

Technical field

The utility model relates to bathroom field more particularly to a kind of step-in type bathtubs convenient to use.

Background technique

Traditional bathtub is since its casing wall is higher, and user needs to step into bathtub when entering bathtub, due to bathtub inner wall It is relatively smooth, it is easy that user is made to slip during stepping into bathtub, to damage to user, has biggish safety hidden Suffer from, moreover, for traditional bathtub for action inconvenient aged or disabled, balneation is inconvenient；It is existing Step-in type bathtub can be convenient the elderly and the disabled and take a shower, but since traditional step-in type bathtub generallys use bolt The bathtub of dynamic formula is locked, and handle is generally arranged at the outside of bathtub, and user needs to pop one's head in bathtub when opening/closing tub door Outside can just see handle, and carry out corresponding operation, using being inconvenient, so needing a kind of step for facilitating effect in the market Enter formula bathtub.

Utility model content

The purpose of this utility model is that a kind of step-in type bathtub convenient to use is proposed, to solve the above problems.

For this purpose, the utility model uses following technical scheme:

A kind of step-in type bathtub convenient to use, including clamping mechanism, bathtub handrail, bathtub lock, tub door, sealing strip with Cylinder body；The left end lower surface of the bathtub handrail is equipped with lockhole, and the bathtub lock is mounted in the lockhole, the bathtub handrail Upper surface be equipped with handle hole, for bathtub lock operate；The following table of the upper end of the tub door and the bathtub handrail Face is fixedly connected, and the sealing strip is arranged along the edge of the front surface of the tub door；The side wall of the cylinder body is equipped with door Mouthful, the inside of the cylinder body is arranged in the tub door, and the right end of the tub door and the inner wall of the cylinder body are hinged, the card The upper end of the left side edge on the doorway is arranged in position mechanism；When the tub door is in close state, the bathtub lock card In the clamping mechanism, the bathtub door shield is extruded in the cylinder body in the inside on the doorway, and by the sealing strip On inner wall.

The bathtub lock includes mounting base, motion bar, button, elastic element, connecting rod and lock tongue:

The right end of the mounting base is equipped with the first pilot hole, and the hole wall of first pilot hole is equipped with the first opening, institute The first opening is stated towards a left side；The left end of the mounting base is equipped with the second pilot hole, and the hole wall of second pilot hole is equipped with second Opening, second opening are equipped with connecting rod in the opposite side of second opening towards the right side, the hole wall of second pilot hole Activity bit；Link slot is equipped between first pilot hole and second pilot hole, the link slot is respectively with described first Opening is connected to second opening；First step is equipped in first pilot hole；

The motion bar is arranged in first pilot hole, and the motion bar can be living up and down in first pilot hole It is dynamic；

The button interior is hollow, and the 4th step of button interior, the button is fixed at the motion bar Upper end, the button and the first pilot hole axial sliding fit, the upper end of the elastic element and the 4th step Lower surface connection, the lower end of the elastic element is connect with the upper surface of the first step；

The lock tongue is arranged in second pilot hole, with the second pilot hole axial sliding fit；

The right end of the connecting rod and left end are respectively equipped with the first long hole and the second long hole, and the right end of the connecting rod passes through First opening, the lower end of the motion bar and first long hole are hinged, and the left end of the connecting rod passes through described second Opening, the upper end of the lock tongue and second long hole are hinged, the left end of the connecting rod in the connecting rod activity bit on The middle part of lower movement, the connecting rod is hinged by shaft and the front-rear side walls of the link slot；

The clamping mechanism includes locking part, and locking part is equipped with lock groove along right left direction；When bathtub handrail and tub door When being in close state, the lock tongue is stuck in the lock groove；Movable highest point is higher than the locking to the lock tongue upwards The upper surface in portion；

The handle hole and the button are concentric.

The bathtub lock further includes safety sleeve and safety plug:

The safety sleeve, which covers the outside in the button and passes through the handle hole, to be inserted into first pilot hole, institute It states and is equipped with driving lever on the outside of the upper end of safety sleeve, the driving lever is for driving the safety sleeve to rotate；

The safety plug includes interconnecting piece and limiting section, and one end of the interconnecting piece is connect with the limiting section, the company The other end of socket part is inserted into the side wall of the safety sleeve, and protrudes into inside to the lower section of the button of the safety sleeve, The limiting section is tightly attached to the outside of the safety sleeve；

The inner sidewall of first pilot hole be equipped with the first activity bit, the limiting section in first activity bit with It is rotated with the safety sleeve；

The outer wall of the button is equipped with the second activity bit, and central angle corresponding to second activity bit is less than described first Central angle corresponding to activity bit；

When the interconnecting piece is in the alignment second activity bit, the lock for bathtub door is in active state, described Button can be moved up and down with the motion bar in first pilot hole.

The bathtub lock further includes wear ring and washer:

The inner wall of the safety sleeve is equipped with annular groove, and the wear ring is arranged in the annular groove, the wear ring Internal diameter be less than the internal diameter of the safety sleeve, the button is slidably matched with the wear ring；

The upper surface of the bathtub handrail is arranged in the washer, and concentric with the handle hole；

The outer wall of the safety sleeve is equipped with third step, and the step surface of the third step is connected to the upper of the washer Surface.

Engineering plastics material is respectively adopted in the wear ring and the washer.

The bathtub lock further includes nylon sleeve, and the upper end of the nylon sleeve is equipped with bulge loop, the side of the nylon sleeve Wall is open along its diametrical direction equipped with third, and the third opening runs through the side wall of the nylon sleeve along right left direction, described Nylon sleeve is mounted in first pilot hole, and the lower surface of the bulge loop is attached to the upper surface of the first step, described Motion bar is inserted in the nylon sleeve, and with the nylon sleeve axial sliding fit, the connecting rod passes through the third and opens Mouth is hinged with the movable connecting rod lower end, and the lower end of the elastic element is connect with the upper surface of the bulge loop.

The locking part is equipped with the first inclined-plane on the rear surface of the lock groove, and first inclined-plane is backwards to the locking The lower end of slot, the lock tongue is equipped with the second inclined-plane, and second inclined-plane is facing forward.

The bathtub lock further includes locking closure, and the locking closure covers above the button, between the button and the locking closure Using threaded connection, the outer wall of the locking closure and the inner wall of the safety sleeve are slidably matched.

The connecting rod is V-structure, and the shaft is minimum point articulated with the connecting rod.

The upper end of the left side edge on the doorway is equipped with clamping mechanism installation position, and the clamping mechanism is arranged in the detent At mechanism installation position, the clamping mechanism further includes mounting portion and ornamental portion, and the lower end of the ornamental portion and the locking part connect It connects, the right end of the mounting portion is connect with the upper end of the ornamental portion；The upper surface of the mounting portion and the cylinder body is fixed to be connected It connects.

The bathtub lock further includes ripple pearl screw, and the ripple pearl screw is fixed on the side wall of the mounting base, the wave The tail portion of pearl screw is pressed on the outer wall of the safety sleeve.

Detailed description of the invention

Attached drawing is described further the utility model, but the content in attached drawing does not constitute any limit to the utility model System.

Fig. 1 is the overall structure diagram of the one of embodiment of the utility model

Fig. 2 is the structural schematic diagram of the bathtub handrail of the one of embodiment of the utility model, bathtub lock and clamping mechanism；

Fig. 3 is the structural schematic diagram of the bathtub handrail of the one of embodiment of the utility model；

Fig. 4 is the structural schematic diagram of the bathtub lock and clamping mechanism of the one of embodiment of the utility model；

Fig. 5 is the cross section structure schematic diagram of the bathtub lock and clamping mechanism of the one of embodiment of the utility model；

Fig. 6 is the right side view of the bathtub lock and clamping mechanism of the one of embodiment of the utility model；

Fig. 7 is the schematic rear view of the bathtub lock and clamping mechanism of the one of embodiment of the utility model；

Fig. 8 is the top cross sectional view of the bathtub lock and clamping mechanism of the one of embodiment of the utility model；

Fig. 9 is the structural schematic diagram of the mounting base of the one of embodiment of the utility model.

Wherein: clamping mechanism 1, bathtub handrail 2, bathtub lock 3, tub door 5, sealing strip 6, cylinder body 7, locking part 11, installation Portion 12, ornamental portion 13, lockhole 21, handle hole 22, mounting base 31, motion bar 32, button 33, elastic element 34, connecting rod 35, lock Tongue 36, safety sleeve 37, safety plug 38, wear ring 39, washer 40, nylon sleeve 41, locking closure 42, ripple pearl screw 43, shaft 44, Doorway 71, lock groove 111, the first inclined-plane 112, the first pilot hole 311, first opening the 312, second pilot hole 313, second opening 314, connecting rod activity bit 315, link slot 316, first step 317, the first activity bit 318, the second activity bit 331, the 4th Rank 332, the first long hole 351, the second long hole 352, the second inclined-plane 361, annular groove 371, third step 372, driving lever 373, connection Portion 381, limiting section 382, bulge loop 411, third opening 412.

Specific embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

A kind of step-in type bathtub convenient to use of the present embodiment, as shown in Figure 1, include clamping mechanism 1, bathtub handrail 2, Bathtub lock 3, tub door 5, sealing strip 6 and cylinder body 7；As shown in Figures 2 and 3, the left end lower surface of the bathtub handrail 2 is equipped with lock Hole 21, the bathtub lock 3 are mounted in the lockhole 21, and the upper surface of the bathtub handrail 2 is equipped with handle hole 22, for bath Cylinder lock 3 is operated；As shown in Figure 1, the upper end of the tub door 5 is fixedly connected with the lower surface of the bathtub handrail 2, it is described Sealing strip 6 is arranged along the edge of the front surface of the tub door 5；The side wall of the cylinder body 7 is equipped with doorway 71, the bathtub The inside of the cylinder body 7 is arranged in door 5, and the right end of the tub door 5 and the inner wall of the cylinder body 7 are hinged, the clamping mechanism 1 The upper end of the left side edge on the doorway 71 is set；When the tub door 5 is in close state, the bathtub lock 3 is stuck in In the clamping mechanism 1, the gear of tub door 5 is extruded in the cylinder body in the inside on the doorway 71, and by the sealing strip 6 On 7 inner wall.

Bathtub lock 3 is arranged on bathtub handrail 2 and handle hole 22 is set in the upper surface of bathtub handrail 2, can be convenient Ground operates bathtub lock 3, and user, which may not need probe, can open or close tub door 5, ease for use to the outside of bathtub It is higher, and the height of bathtub handrail 2 is lower, user is without operation of standing up, so relatively pacifying there is no the hidden danger to slip Entirely；Tub door 5 uses swing-in, and when being full of water in bathtub, tub door 5 will receive outside pressure, seal tub door 5 will Item 6 is pressed even closer, has preferable sealing effect.

As shown in 4-9, the bathtub lock 3 includes mounting base 31, motion bar 32, button 33, elastic element 34, connecting rod 35 With lock tongue 36:

The right end of the mounting base 31 is equipped with the first pilot hole 311, and the hole wall of first pilot hole 311 is equipped with first Opening 312, first opening 312 is towards a left side；The left end of the mounting base 31 is equipped with the second pilot hole 313, second guiding The hole wall in hole 313 is equipped with the second opening 314, and second opening 314 is towards the right side, and the hole wall of second pilot hole 313 is in institute The opposite side for stating the second opening 314 is equipped with connecting rod activity bit 315；First pilot hole 311 and second pilot hole Between 313 be equipped with link slot 316, the link slot 316 respectively with it is described first opening 312 and it is described second opening 314 company It is logical；First step 317 is equipped in first pilot hole 311；

The motion bar 32 is arranged in first pilot hole 311, and the motion bar 32 can be in first pilot hole It is up and down in 311；

33 inner hollow of button, 33 the 4th step 332 of inside of button, the button 33 is fixed at described The upper end of motion bar 32, the button 33 and 311 axial sliding fit of the first pilot hole, the upper end of the elastic element 34 It is connect with the lower surface of the 4th step 332, the upper surface of the lower end of the elastic element 34 and the first step 317 connects It connects；

The lock tongue 36 is arranged in second pilot hole 313, with 313 axial sliding fit of the second pilot hole；

The right end of the connecting rod 35 and left end are respectively equipped with the first long hole 351 and the second long hole 352, the connecting rod 35 Right end pass through first opening 312, the lower end of the motion bar 32 and first long hole 351 are hinged, the connecting rod 35 left end passes through second opening 314, and the upper end of the lock tongue 36 and second long hole 352 are hinged, the connecting rod 35 left end moves up and down in the connecting rod activity bit 315, and the middle part of the connecting rod 35 passes through shaft 44 and the company The front-rear side walls of access slot 316 are hinged；

The clamping mechanism 1 includes locking part 11, and locking part 11 is equipped with lock groove 111 along right left direction；When bathtub handrail 2 When being in close state with tub door 5, the lock tongue 36 is stuck in the lock groove 111；The lock tongue 36 upwards it is movable most High point is higher than the upper surface of the locking part 11；

The handle hole 22 and the button 33 are concentric.

When in use, it is only necessary to press the button 33 in the handle hole 22 of bathtub handrail 2, make button 33 and 32 grams of motion bar It takes the elastic force of elastic element 34 and moves down, then motion bar 32 drives connecting rod 35 to rotate around shaft 44, connecting rod 35 Left end drive lock tongue 36 to move up, so that the bottom of lock tongue 36 is higher than the upper surface of locking part 11, at this time 2 He of bathtub handrail Tub door 5 may exit off the rotation of clamping mechanism 1, can open tub door 5 at this time, entire door opening process, which only needs to press bathtub, to be helped Button 33 on hand 2 can be completed, very convenient easy-to-use；First long hole 351 is set in connecting rod 35 and the second long hole 352 can So that motion bar 32 vertical can be moved up and down with lock tongue 36, avoid the occurrence of and interfere, setting connecting rod activity bit 315 can Interfere to avoid connecting rod 35 and the second pilot hole 313.

As shown in Figure 4-8, the bathtub lock 3 further includes safety sleeve 37 and safety plug 38:

37 sets of the safety sleeve the button 33 outside and pass through the handle hole 22 and be inserted into first guiding In hole 311, driving lever 373 is equipped on the outside of the upper end of the safety sleeve 37, the driving lever 373 is for driving the safety sleeve 37 Rotation；

The safety plug 38 includes interconnecting piece 381 and limiting section 382, one end and the limiting section of the interconnecting piece 381 382 connections, the other end of the interconnecting piece 381 is inserted into the side wall of the safety sleeve 37, and protrudes into the safety sleeve 37 Inside to the lower section of the button 33, the limiting section 382 are tightly attached to the outside of the safety sleeve 37；

The inner sidewall of first pilot hole 311 is equipped with the first activity bit 318, and the limiting section 382 is described first The safety sleeve 37 is followed to rotate in activity bit 318；

The outer wall of the button 33 is equipped with the second activity bit 331, and central angle corresponding to second activity bit 331 is less than Central angle corresponding to first activity bit 318；

When the interconnecting piece 381 is in the alignment second activity bit 331, the lock of tub door 5 is in moving type State, the button 33 can be moved up and down with the motion bar 32 in first pilot hole 311.

User can make safety sleeve 37 is right to turn left to move by stirring driving lever 373, and safety plug 38 is driven to rotate, when When interconnecting piece 381 is located at the lower section of the second activity bit 331, the lock of tub door 5 is in active state, and can directly press lower button at this time 33 open or close tub door 5；The central angle as corresponding to the second activity bit 331 is smaller, so when user stirs driving lever 373, when safety plug 38 being made to be moved to the other positions of the first activity bit 318, interconnecting piece 381 is not in the second activity bit 331 at this time Lower section, if pressing lower button 33 at this time, the lower surface of button 33 can be pressed on the interconnecting piece 381 and can not move down, Bathtub lock 3 is in lockup state at this time, can not be by being opened the door or being closed the door by lower button 33, can be to avoid user misoperation.

As shown in figure 5, the bathtub lock 3 further includes wear ring 39 and washer 40:

The inner wall of the safety sleeve 37 is equipped with annular groove, and the wear ring 39 is arranged in the annular groove, described resistance to The internal diameter of bull ring 39 is less than the internal diameter of the safety sleeve 37, and the button 33 is slidably matched with the wear ring 39；

The upper surface of the bathtub handrail 2 is arranged in the washer 40, and concentric with the handle hole 22；

The outer wall of the safety sleeve 37 is equipped with third step 372, and the step surface of the third step 372 is connected to described The upper surface of washer 40.

Engineering plastics material is respectively adopted with the washer 40 in the wear ring 39.

Wear ring 39 and washer 40 can directly be contacted with button 33 and bathtub handrail 2 to avoid safety sleeve 37, reduce it Abrasion, in addition, wear ring 39 and washer 40, which are all made of engineering plastics, can reduce rotating lever 373 or by 33 Shi Suofa of lower button Noise out gives the preferable usage experience of user.

The bathtub lock 3 further includes nylon sleeve 41, and the upper end of the nylon sleeve 41 is equipped with bulge loop 411, the nylon The side wall of sleeve 41 is equipped with third opening 412 along its diametrical direction, and the third opening 412 runs through the nylon along right left direction The side wall of sleeve 41, the nylon sleeve 41 are mounted in first pilot hole 311, and the lower surface of the bulge loop 411 is attached to The upper surface of the first step 317, the motion bar 32 are inserted in the nylon sleeve 41, axial with the nylon sleeve 41 It is slidably matched, the connecting rod 35 is hinged with 35 lower end of movable connecting rod across third opening 412, the elasticity member The lower end of part 34 is connect with the upper surface of the bulge loop 411.

Nylon sleeve 41 can directly contact to avoid motion bar 32 with the first pilot hole 311, reduce motion bar 32 and first Abrasion of the pilot hole 311 in active procedure can also reduce generated noise during sliding up and down of motion bar 32；Due to Track of the right end of connecting rod 35 in activity is arc, so third opening 412 can be kept away through the side wall of nylon sleeve 41 The right end and its inner wall for exempting from connecting rod 35 interfere.

As shown in Figure 4 and Figure 6, the locking part 11 is equipped with the first inclined-plane 112 on the rear surface of the lock groove 111, First inclined-plane 112 is equipped with the second inclined-plane 361, second inclined-plane backwards to the lock groove 111, the lower end of the lock tongue 36 361 forward.

First inclined-plane 112 and the second inclined-plane 361 are set close tub door 5 with can be convenient, when tub door 5 is in open shape When state, the second inclined-plane 361 of 36 lower end of lock tongue and the first inclined-plane 112 of locking part 11 are opposite, so when closing tub door 5, Bathtub handrail 2 is pushed, lock tongue 36 can be made to slide along the first inclined-plane 112, lock tongue 36 drives motion bar by connecting rod 35 at this time 32 overcome the elastic force of elastic element 34 and move up, and when lock tongue 36 slides into lock groove 111, motion bar 32 is in elastic member Upward sliding under the action of part 34, and drive lock tongue 36 to extend downwardly by connecting rod 35, so that lock tongue 36 is stuck in lock groove 111 It is interior, the closing of tub door 5 is completed, whole process is not necessarily to press lower button 33, very convenient.

As shown in figs. 4-7, the bathtub lock 3 further includes locking closure 42, and the locking closure 42 covers above the button 33, described Using being threadedly coupled between button 33 and the locking closure 42, the inner wall of the outer wall of the locking closure 42 and the safety sleeve 37 is slided Cooperation.

Locking closure 42 can block button 33, play beautiful effect, and the globality of appearance is stronger.

As shown in figure 5, the connecting rod 35 is V-structure, the shaft 44 is minimum point articulated with the connecting rod 35.

Connecting rod 35 uses V-structure, can reduce the height of link slot 316, process mounting base 31 more easily, and Production material can be saved, cost is reduced.

As shown in Figure 1 and Figure 4, the upper end of the left side edge on the doorway 71 is equipped with clamping mechanism installation position, the detent Mechanism 1 is arranged at the clamping mechanism installation position, and the clamping mechanism 1 further includes mounting portion 12 and ornamental portion 13, the dress The lower end in decorations portion 13 is connect with the locking part 11, and the right end of the mounting portion 12 is connect with the upper end of the ornamental portion 13；Institute Mounting portion 12 is stated to be fixedly connected with the upper surface of the cylinder body 7.

Mounting portion 12 and ornamental portion 13 are connected respectively on the side wall of bathtub, make the transition between clamping mechanism 1 and bathtub More naturally, whole aesthetics is higher.

As shown in figure 5, the bathtub lock 3 further includes ripple pearl screw 43, the ripple pearl screw 43 is fixed on the mounting base On 31 side wall, the tail portion of the ripple pearl screw 43 is pressed on the outer wall of the safety sleeve 37.

The inside of ripple pearl screw 43 is equipped with spring (not shown), and tail portion is equipped with steel ball, when steel ball is pressed in condom When on the outer wall of cylinder 37, compression can be played the role of to safety sleeve 37, safety sleeve 37 is made to be not easy to take off from bathtub handrail 2 Out, while damping of the driving lever 373 when stirring can also be increased, to promote the use texture of bathtub lock 3, user experience is preferable.

Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein, Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model, These modes are fallen within the protection scope of the utility model.

Claims (10)

1. a kind of step-in type bathtub convenient to use, which is characterized in that including clamping mechanism, bathtub handrail, bathtub lock, bathtub Door, sealing strip and cylinder body；The left end lower surface of the bathtub handrail is equipped with lockhole, and the bathtub lock is mounted in the lockhole, The upper surface of the bathtub handrail is equipped with handle hole, for operating to bathtub lock；The upper end of the tub door and the bath The lower surface of cylinder handrail is fixedly connected, and the sealing strip is arranged along the edge of the front surface of the tub door；The cylinder body Side wall is equipped with doorway, and the inside of the cylinder body is arranged in the tub door, and the right end of the tub door is interior with the cylinder body Wall is hinged, and the upper end of the left side edge on the doorway is arranged in the clamping mechanism；When the tub door is in close state, In the clamping mechanism, the bathtub door shield squeezes the bathtub lock card in the inside on the doorway, and by the sealing strip On the inner wall of the cylinder body.

2. a kind of step-in type bathtub convenient to use according to claim 1, which is characterized in that the bathtub lock includes peace Fill seat, motion bar, button, elastic element, connecting rod and lock tongue:

The right end of the mounting base is equipped with the first pilot hole, and the hole wall of first pilot hole is equipped with the first opening, and described the One is open towards a left side；The left end of the mounting base is equipped with the second pilot hole, and the hole wall of second pilot hole is equipped with the second opening, Second opening is equipped with connecting rod activity in the opposite side of second opening towards the right side, the hole wall of second pilot hole Position；Link slot is equipped between first pilot hole and second pilot hole, the link slot is open with described first respectively With being connected to for second opening；First step is equipped in first pilot hole；

The motion bar is arranged in first pilot hole, and the motion bar can be up and down in first pilot hole；

The button interior is hollow, and the 4th step of button interior, the button is fixed at the upper end of the motion bar, The button and the first pilot hole axial sliding fit, the lower surface of the upper end of the elastic element and the 4th step Connection, the lower end of the elastic element is connect with the upper surface of the first step；

The lock tongue is arranged in second pilot hole, with the second pilot hole axial sliding fit；

The right end of the connecting rod and left end are respectively equipped with the first long hole and the second long hole, and the right end of the connecting rod passes through described First opening, the lower end of the motion bar and first long hole are hinged, and the left end of the connecting rod passes through second opening, The upper end of the lock tongue and second long hole are hinged, the left end of the connecting rod in the connecting rod activity bit on move down Dynamic, the middle part of the connecting rod is hinged by shaft and the front-rear side walls of the link slot；

The clamping mechanism includes locking part, and locking part is equipped with lock groove along right left direction；When bathtub handrail is in tub door When closed state, the lock tongue is stuck in the lock groove；Movable highest point is higher than the locking part to the lock tongue upwards Upper surface；

The handle hole and the button are concentric.

3. a kind of step-in type bathtub convenient to use according to claim 2, which is characterized in that the bathtub, which is locked, further includes Safety sleeve and safety plug:

The safety sleeve, which covers the outside in the button and passes through the handle hole, to be inserted into first pilot hole, the guarantor Driving lever is equipped on the outside of the upper end of dangerous sleeve, the driving lever is for driving the safety sleeve to rotate；

The safety plug includes interconnecting piece and limiting section, and one end of the interconnecting piece is connect with the limiting section, the interconnecting piece The other end be inserted into the side wall of the safety sleeve, and protrude into the inside of the safety sleeve to the lower section of the button, it is described Limiting section is tightly attached to the outside of the safety sleeve；

The inner sidewall of first pilot hole is equipped with the first activity bit, and the limiting section follows institute in first activity bit State safety sleeve rotation；

The outer wall of the button is equipped with the second activity bit, and central angle corresponding to second activity bit is less than first activity Central angle corresponding to position；

When the interconnecting piece is in the alignment second activity bit, the bathtub lock is in active state, the button with The motion bar can move up and down in first pilot hole.

4. a kind of step-in type bathtub convenient to use according to claim 3, which is characterized in that the bathtub, which is locked, further includes Wear ring and washer:

The inner wall of the safety sleeve is equipped with annular groove, and the wear ring is arranged in the annular groove, the wear ring it is interior Diameter is less than the internal diameter of the safety sleeve, and the button is slidably matched with the wear ring；

The upper surface of the bathtub handrail is arranged in the washer, and concentric with the handle hole；

The outer wall of the safety sleeve is equipped with third step, and the step surface of the third step is connected to the upper table of the washer Face；

Engineering plastics material is respectively adopted in the wear ring and the washer.

5. a kind of step-in type bathtub convenient to use according to claim 2, which is characterized in that the bathtub, which is locked, further includes The upper end of nylon sleeve, the nylon sleeve is equipped with bulge loop, and the side wall of the nylon sleeve is opened along its diametrical direction equipped with third Mouthful, the third opening runs through the side wall of the nylon sleeve along right left direction, and the nylon sleeve is mounted on described first and leads Into hole, the lower surface of the bulge loop is attached to the upper surface of the first step, and the motion bar is inserted in the nylon sleeve, With the nylon sleeve axial sliding fit, the connecting rod passes through third opening and cuts with scissors with the movable connecting rod lower end It connects, the lower end of the elastic element is connect with the upper surface of the bulge loop.

6. a kind of step-in type bathtub convenient to use according to claim 2, which is characterized in that the locking part is described The rear surface of lock groove is equipped with the first inclined-plane, and backwards to the lock groove, the lower end of the lock tongue is equipped with the on first inclined-plane Two inclined-planes, second inclined-plane are facing forward.

7. a kind of step-in type bathtub convenient to use according to claim 3, which is characterized in that the bathtub, which is locked, further includes Locking closure, the locking closure cover above the button, use and are threadedly coupled between the button and the locking closure, outside the locking closure The inner wall of wall and the safety sleeve is slidably matched.

8. a kind of step-in type bathtub convenient to use according to claim 2, which is characterized in that the connecting rod is V-type Structure, the shaft are minimum point articulated with the connecting rod.

9. a kind of step-in type bathtub convenient to use according to claim 6, which is characterized in that the left side on the doorway The upper end of edge is equipped with clamping mechanism installation position, and the clamping mechanism is arranged at the clamping mechanism installation position, the detent machine Structure further includes mounting portion and ornamental portion, and the lower end of the ornamental portion is connect with the locking part, the right end of the mounting portion and institute State the upper end connection of ornamental portion；The mounting portion is fixedly connected with the upper surface of the cylinder body.

10. a kind of step-in type bathtub convenient to use according to claim 3, which is characterized in that the bathtub lock also wraps Ripple pearl screw is included, the ripple pearl screw is fixed on the side wall of the mounting base, and the tail portion of the ripple pearl screw is pressed in the guarantor On the outer wall of dangerous sleeve.