Adjustable walk-in bathtub door hinge

Abstract

The utility model provides an adjustable walk-in type bathtub door hinge which comprises a fixed hinge assembly, a movable hinge assembly and a rotating shaft, the fixed hinge assembly comprises a fixed hinge piece, and a fixing screw used for being connected with a bathtub is arranged on the fixed hinge piece; the movable hinge assembly comprises a movable hinge piece and a movable base connected with the movable hinge piece. The movable seat is used for being preassembled on a bathtub door; a fixed hinge sleeve is arranged on one side of the fixed hinge piece. A movable hinge sleeve is arranged on one side of the movable hinge piece. The lower end of the rotating shaft is installed in the fixed hinge sleeve, and the upper end of the rotating shaft is detachably inserted into the movable hinge sleeve and is in running fit with the movable hinge sleeve. According to the technical scheme, the movable hinge assembly and the fixed hinge assembly can be pre-installed on the bathtub door and the bathtub respectively, the rotating shaft is pre-installed on the fixed hinge, and when the bathtub door is installed, only the sleeve of the movable hinge needs to be arranged on the rotating shaft in a sleeving mode; the operation is simple and quick and can be implemented by one person.

Description

Technical Field

[0001] The utility model relates to an adjustable walk-in bathtub door hinge Background Art

[0002] A walk-in bathtub is easy to walk into because it has an openable bathtub door. The bathtub door is usually hinged to the bathtub through a hinge. When installing the existing hinge, the two leaves of the hinge need to be locked to the door body and the door frame through screws. When applied to a heavier bathtub door, it usually requires two people to cooperate. One person needs to hold the door body in place, and the other person installs the screws. The operation is cumbersome and difficult, and is not suitable for a single person. Utility Model Content

[0003] The utility model aims to provide an adjustable walk-in bathtub door hinge, comprising a fixed hinge assembly, a movable hinge assembly, and a rotating shaft connecting the fixed hinge assembly and the movable hinge assembly, wherein the fixed hinge assembly comprises a fixed leaf, and the fixed leaf is provided with a fixing screw for connecting with the bathtub; the movable hinge assembly comprises a movable leaf and a movable seat connected with the movable leaf; the movable seat is used to be pre-installed on the bathtub door; one side of the fixed leaf is provided with a fixed hinge sleeve; one side of the movable leaf is provided with a movable hinge sleeve ; The lower end of the rotating shaft is installed in the fixed articulated sleeve, and the upper end of the rotating shaft is detachably inserted into the movable articulated sleeve and rotatably cooperates with the movable articulated sleeve; a shaft sleeve is provided on the rotating shaft, and the shaft sleeve includes a sleeve portion and a limiting portion located at the lower end of the sleeve portion and extending radially outward; the sleeve portion is inserted into the movable articulated sleeve, and the limiting portion is clamped between the fixed articulated sleeve and the movable articulated sleeve; longitudinal adjustment screws are respectively threaded in the lower port of the fixed articulated sleeve and the upper port of the movable articulated sleeve, and the longitudinal adjustment screws are abutted against the rotating shaft.

[0004] The adjustable walk-in bathtub door hinge of the technical solution, when in use, the movable hinge assembly and the fixed hinge assembly can be pre-installed on the bathtub door and the bathtub respectively, and the rotating shaft is pre-installed on the fixed hinge. When installing the bathtub door, it is only necessary to put the sleeve of the movable hinge on the rotating shaft; the operation is simple and quick, and can be carried out by a single person.

[0005] In addition, the height of the movable hinge assembly relative to the fixed hinge assembly can be adjusted by adjusting the longitudinal adjustment screw, thereby adjusting the height of the bathtub door relative to the bathtub. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 and Figure 2 It is a schematic diagram of the structure of the utility model at different angles.

[0007] Figure 3 It is the installation diagram of the utility model.

[0008] Figure 4It is a structural exploded view of the utility model.

[0009] Figure 5 for Figure 2 Section view of the AA plane.

[0010] Figure 6 for Figure 2 Sectional view of the BB plane.

[0011] Figure 7 It is a schematic diagram of the matching structure of the movable leaf piece and the movable connecting screw of the utility model.

[0012] Figure 8 and Fig. 9 It is a schematic diagram of the structure of the movable leaf piece of the utility model at different angles. DETAILED DESCRIPTION

[0013] The present application scheme is further described as follows in conjunction with the accompanying drawings:

[0014] See attached Figure 1-9 , an adjustable walk-in bathtub door hinge, including a fixed hinge component 1, a movable hinge component 2, and a rotating shaft 3 connecting the fixed hinge component 1 and the movable hinge component 2.

[0015] The fixed hinge assembly 1 comprises a fixed leaf 11 , on which a fixing screw 12 for connecting with the bathtub is disposed.

[0016] The movable hinge assembly 2 includes a movable leaf 21 and a movable seat 22 connected to the movable leaf 21; the movable seat 22 is used to be pre-installed on the bathtub door. Specifically, the movable seat 22 is embedded in a mounting groove on the bathtub door and is locked from the back by a locking screw 225.

[0017] A fixed hinge sleeve 111 is provided on one side of the fixed leaf 11; a movable hinge sleeve 211 is provided on one side of the movable leaf 21; the lower end of the rotating shaft 3 is installed in the fixed hinge sleeve 111, and the upper end of the rotating shaft 3 is detachably inserted into the movable hinge sleeve 211 and rotates in cooperation with the movable hinge sleeve 211.

[0018] The shaft 3 is sleeved with a shaft sleeve 31 , which includes a sleeve portion 311 and a limit portion 312 located at the lower end of the sleeve portion 311 and extending radially outward; the sleeve portion 311 is inserted into the movable hinge sleeve 211 , and the limit portion 312 is clamped between the fixed hinge sleeve 111 and the movable hinge sleeve 211 .

[0019] A longitudinal adjustment screw 4 is threadedly connected in the lower end of the fixed hinge sleeve 111 and in the upper end of the movable hinge sleeve 211 , respectively, and the longitudinal adjustment screw 4 abuts against the rotating shaft 3 .

[0020] like Figure 3 As shown, the adjustable walk-in bathtub door hinge of the present technical solution, when in use, the movable hinge assembly 2 and the fixed hinge assembly 1 can be pre-installed on the bathtub door and the bathtub respectively, and the rotating shaft 3 is pre-installed on the fixed hinge. When installing the bathtub door, it is only necessary to put the sleeve of the movable hinge on the rotating shaft 3; the operation is simple and quick, and can be carried out by a single person.

[0021] In addition, the height of the movable hinge assembly 2 relative to the fixed hinge assembly 1 can be adjusted by adjusting the longitudinal adjustment screw 4, thereby adjusting the height of the bathtub door relative to the bathtub.

[0022] The shaft sleeve 31 is made of plastic material and has a damping effect. It can also reduce the probability of water vapor contacting the rotating shaft 3 through the gap between the movable hinge sleeve 211 and the fixed hinge sleeve 111 .

[0023] The upper port of the movable hinge sleeve 211 is covered with a sealing end cover 5; an end cover connecting screw 52 is also threaded in the upper port of the movable hinge sleeve 211, and the longitudinal adjustment screw 4 and the end cover connecting screw 52 are both hexagonal flat head screws; the end cover connecting screw 52 is located above the longitudinal adjustment screw 4, and a sealing joint 51 is provided on the inner side of the sealing end cover 5, and the sealing joint 51 is embedded in the hexagonal countersunk hole on the end cover connecting screw 52; the sealing end cover 5 is a plastic part.

[0024] Some hinges have screws with flat heads or round heads installed at the ends of the hinge sleeves, and the ends of the hinge sleeves are sealed by the screw heads. When such hinges are used on bathtubs, the screw heads are exposed and are prone to rust.

[0025] The present technical solution adopts a plastic sealing end cap 5 and an end cap connecting screw 52 for installation. The sealing end cap 5 covers the port of the movable hinge sleeve 211, and the sealing joint 51 can seal the hexagonal countersunk hole of the end cap connecting screw 52 to prevent rust and facilitate subsequent disassembly and assembly. In addition, the end cap connecting screw 52 is set separately from the longitudinal adjustment screw 4, and does not affect the longitudinal adjustment screw 4.

[0026] The movable leaf 21 is connected to the movable seat 22 via a movable connecting screw 6. The back of the movable leaf 21 is opposite to the movable seat 22, and a guide slot 212 extending along the width direction of the movable leaf 21 is provided on the back of the movable leaf 21; the movable connecting screw 6 includes a movable head 61 and a movable bolt 62; the movable head 61 is installed in the guide slot 212 and can slide along the guide slot 212, and the movable bolt 62 is screwed to the movable seat 22; the guide slot 212 includes a notch 2121 for the movable bolt 62 to pass through, and one end of the guide slot 212 is provided with an insertion port 2122 for the movable head 61 to be inserted.

[0027] A left-right adjustment member 7 is provided between the movable leaf 21 and the movable seat 22. The left-right adjustment member 7 includes a left-right adjustment screw 71 and an eccentric wheel 72 fixed to the end of the left-right adjustment screw 71; the movable leaf 21 is provided with a left-right adjustment hole 213, and the left-right adjustment screw 71 is installed in the left-right adjustment hole 213; the movable seat 22 is provided with a groove 221 for accommodating the eccentric wheel 72, and the eccentric wheel 72 abuts against the groove wall of the groove 221 and cooperates with the groove 221 in a circumferential direction. The movable seat 22 can be driven by the circumferential movement of the eccentric wheel 72 to move left-right relative to the movable leaf 21, so as to adjust the left-right spacing between the movable leaf 21 and the movable seat 22, and further adjust the left-right spacing of the bathtub door relative to the bathtub. When the movable seat 22 moves left-right, the movable connecting screw 6 slides along the guide groove 212. In this embodiment, the movable seat 22 can adjust the left-right spacing of ±2mm relative to the movable leaf 21.

[0028] The movable leaf 21 of the present technical solution is connected to the movable seat 22 via a movable connecting screw 6, and the movable head 61 of the movable connecting screw 6 is hidden in the guide groove 212 to protect it and avoid being exposed on the surface of the movable leaf 21. There is no need to set an additional protective cover, which simplifies the installation steps and saves costs.

[0029] The hinge of the present technical solution is adjusted to the left and right spacing by rotating the left and right adjusting members 7, and is guided by sliding along the guide groove 212 through the movable connecting screw 6, thereby improving the stability of the activity.

[0030] The movable connecting screws 6 include at least two. The movable connecting screws 6 are hexagon socket round head screws. The sliding cooperation between the round head screws and the guide grooves 212 is smoother.

[0031] The movable leaf 21 is provided with a first front-rear adjustment hole 214 corresponding to the position of the hexagonal countersunk hole on the movable connecting screw 6 .

[0032] When in use, the front-to-back distance between the movable leaf 21 and the movable seat 22 can be adjusted by inserting an inner hexagonal wrench into the inner hexagonal countersunk hole on the movable connecting screw 6 from the first front-to-back adjusting hole 214 to drive the movable connecting screw 6 to rotate.

[0033] The movable leaf 21 is also provided with a second front-to-back adjustment hole 215, in which a front-to-back adjustment screw 8 is installed. The front-to-back adjustment screw 8 is a hexagon socket flat head screw.

[0034] The end of the front-rear adjusting screw 8 abuts against the movable seat 22 .

[0035] When the movable connecting screw 6 is rotated to adjust the front-to-back spacing, the front-to-back adjusting screw 8 can be synchronously rotated by an inner hexagonal wrench to keep it against the movable seat 22 to fix the adjusted spacing.

[0036] In this embodiment, the movable seat 22 can be adjusted relative to the movable leaf piece 21 by a front-to-rear spacing of ±4 mm.

[0037] The front and rear adjustment screws 8 of the present technical solution are top screws, which are hidden in the mounting holes of the movable leaf piece 21 without exposed heads, so there is no need to set a protective cover on the movable leaf piece 21.

[0038] The movable seat 22 is provided with a limit screw 9, which is a hexagon socket flat head screw; the head of the limit screw 9 abuts against the back of the movable leaf 21 when the movable seat 22 and the movable leaf 21 are at the minimum front-to-back distance. Two limit screws 9 are provided.

[0039] After quick installation, the hinge of the technical solution can be adjusted up and down, front and back, left and right as needed, so as to adjust the gap between the bathtub door and the bathtub to make them fit, thereby improving the tightness when closing the door.

[0040] The longitudinal adjustment screw 4, the left and right adjustment piece 7, the movable connection screw 6, and the front and rear adjustment screw 8 of the present technical solution can be tightened and disassembled with a hexagonal wrench, and a higher torque can be applied to achieve a tighter connection.

[0041] An elastic sealing rubber ring 23 is sandwiched between the movable seat 22 and the movable leaf piece 21 ; an annular groove 224 for mounting the elastic sealing rubber ring 23 is provided at the edge of the movable seat 22 .

[0042] Specifically, the movable seat 22 is provided with a movable connection hole 222 for connecting with the movable connection screw 6 and a limiting connection hole 223 for connecting with the limiting screw 9; the movable connection hole 222, the limiting connection hole 223 and the groove 221 are within the range surrounded by the annular groove.

[0043] The gap between the movable seat 22 and the movable leaf piece 21 is sealed by an elastic sealing rubber ring 23, which plays a waterproof role on the connecting parts of the movable connecting screw 6, the limit screw 9 and the left and right adjusting members 7.

[0044] The fixed hinge assembly 1 further comprises a fixed backing plate 14, a plastic gasket 13 and a nut 121 connected to the fixed screw 12. The fixed screw 12 is fixedly connected (welded) to the back of the fixed leaf 11; the plastic gasket 13 is provided with a through hole, which is sleeved on the fixed screw 12, one side of the plastic gasket 13 is in contact with the back of the fixed leaf 11, and the other side of the plastic gasket 13 is used to be in contact with the installation surface (bathtub); the fixed screw 12 is passed through the fixed backing plate 14 and is threadedly connected to the nut 121.

[0045] There are at least two fixing screws 12. In this embodiment, there are two fixing screws 12, and the number of nuts 121 corresponds to the number of fixing screws 12.

[0046] The fixing page 11 of the technical solution is connected with the fixing pad 14 and the nut 121 by the fixing screw 12 to fix the mounting surface in the middle; the fixing screw 12 is directly fixed on the back side of the fixing page 11, the front side of the fixing page 11 has no perforation, and the plastic gasket 13 seals the gap between the fixing page 11 and the mounting surface to prevent the fixing screw 12 from contacting with water.

[0047] The above-mentioned preferred implementation modes should be regarded as illustrative examples of the implementation modes of the present application scheme. Any technical deductions, replacements, improvements, etc. that are identical or similar to the present application scheme or made based on this scheme should be regarded as within the scope of protection of this patent.

Claims

1. An adjustable walk-in bathtub door hinge, comprising a fixed hinge assembly, a movable hinge assembly, and a rotating shaft connecting the fixed hinge assembly and the movable hinge assembly, characterized in that: The fixed hinge assembly includes a fixed leaf, and the fixed leaf is provided with a fixing screw for connecting with the bathtub; The movable hinge assembly includes a movable leaf and a movable seat connected to the movable leaf; the movable seat is used to be pre-installed on the bathtub door; A fixed hinge sleeve is provided on one side of the fixed leaf; a movable hinge sleeve is provided on one side of the movable leaf; the lower end of the rotating shaft is installed in the fixed hinge sleeve, and the upper end of the rotating shaft is detachably inserted into the movable hinge sleeve and rotates with the movable hinge sleeve; The shaft is sleeved with a shaft sleeve, and the shaft sleeve includes a sleeve portion and a limit portion located at the lower end of the sleeve portion and extending radially outward; the sleeve portion is inserted into the movable hinge sleeve, and the limit portion is sandwiched between the fixed hinge sleeve and the movable hinge sleeve; A longitudinal adjustment screw is respectively threaded in the lower port of the fixed hinge sleeve and the upper port of the movable hinge sleeve, and the longitudinal adjustment screw abuts against the rotating shaft.

2. The adjustable walk-in bathtub door hinge according to claim 1, characterized in that: The upper port of the movable hinge sleeve is covered with a sealing end cover; the upper port of the movable hinge sleeve is also threaded with an end cover connecting screw. The longitudinal adjustment screws and the end cover connecting screws are all hexagonal flat head screws; The end cover connecting screw is located above the longitudinal adjusting screw, and a sealing joint is provided on the inner side of the sealing end cover, and the sealing joint is inserted into the hexagonal countersunk hole on the end cover connecting screw; the sealing end cover is a plastic part.

3. The adjustable walk-in bathtub door hinge according to claim 1, characterized in that: The movable leaf piece and the movable seat are connected by movable connecting screws; The back of the movable leaf piece is opposite to the movable seat, and a guide groove extending along the width direction of the movable leaf piece is provided on the back of the movable leaf piece; the movable connecting screw comprises a movable head and a movable bolt; the movable head is installed in the guide groove and can slide along the guide groove, and the movable bolt is screwed to the movable seat; A left and right adjusting member is provided between the movable leaf piece and the movable seat; The left and right adjusting members include left and right adjusting screws and eccentric wheels fixed to the ends of the left and right adjusting screws; The movable leaf is provided with left and right adjustment holes, and the left and right adjustment screws are installed in the left and right adjustment holes; The movable seat is provided with a groove for accommodating the eccentric wheel, the eccentric wheel abuts against the groove wall of the groove and cooperates with the circumferential movement of the groove, and the movable seat can be driven by the circumferential movement of the eccentric wheel to move left and right relative to the movable leaf.

4. The adjustable walk-in bathtub door hinge according to claim 3, characterized in that: The movable connecting screws include at least two; the movable connecting screws are hexagon socket round head screws; the movable leaf is provided with a first front and rear adjustment hole corresponding to the position of the hexagon socket countersunk hole on the movable connecting screw.

5. The adjustable walk-in bathtub door hinge according to claim 4, characterized in that: The movable leaf piece is also provided with a second front-to-back adjustment hole, in which a front-to-back adjustment screw is installed, and the front-to-back adjustment screw is a hexagon socket flat head screw; The end of the front-rear adjusting screw abuts against the movable seat.

6. The adjustable walk-in bathtub door hinge according to claim 5, characterized in that: The movable seat is provided with a limit screw, and the limit screw is a hexagon socket flat head screw; The head of the limit screw abuts against the back side of the movable leaf piece when the movable seat and the movable leaf piece are at the minimum front-back distance.

7. The adjustable walk-in bathtub door hinge according to any one of claims 1 to 6, characterized in that: An elastic sealing rubber ring is sandwiched between the movable seat and the movable leaf piece; The edge of the movable seat is provided with a ring groove for installing the elastic sealing rubber ring.

8. The adjustable walk-in bathtub door hinge according to any one of claims 1 to 6, characterized in that: The fixed hinge assembly also includes a fixed backing plate, a plastic gasket and a nut connected to the fixing screw; The fixing screw is fixedly connected to the back side of the fixing leaf; The plastic gasket is provided with a perforation, which is sleeved on the fixing screw, one side of the plastic gasket is in contact with the back side of the fixing leaf, and the other side of the plastic gasket is used to be in contact with the mounting surface; The fixing screw is passed through the fixing backing plate and is threadedly connected with the nut.

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