Hidden adjustable hydraulic hinge

Abstract

The utility model discloses a hidden type adjustable hydraulic hinge which comprises a first hinge body, a second hinge body, a first rotating piece, a second rotating piece, a first core shaft device and a second core shaft device, the second core shaft device and the first core shaft device are the same in structure, the first core shaft device is arranged on the first hinge body, and the second core shaft device is arranged on the second hinge body. The first mandrel device comprises a mandrel and a transmission sleeve, the transmission sleeve is arranged on the outer side of the mandrel in a sleeving mode, one side of the first rotating piece is connected with the transmission sleeve of the first mandrel device, the other side of the first rotating piece is rotationally connected with the second hinge, one side of the second rotating piece is connected with the transmission sleeve of the second mandrel device, and the other side of the second rotating piece is rotationally connected with the first hinge. Due to the fact that the transmission sleeve is arranged on the outer side of the mandrel, when the hinge is used, the transmission sleeve rotates along with the corresponding hinge, the mandrel does not need to rotate, the mandrel can be conveniently installed on each hinge, the whole structure can be simplified, and installation is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to a kind of hydraulic hinge, and particularly to a hidden adjustable hydraulic hinge. BACKGROUND

[0002] Hydraulic hinge is widely used, most for door and window opening, closing speed buffer, and with automatic door closing function, but most of the existing hydraulic hinge, when using, the whole core shaft structure is relatively complex, and hinge rotates, the whole core shaft rotates synchronously, such as the application number 202122790809.7 discloses a kind of hydraulic hinge, to facilitate the rotation of the whole sleeve, need to install bearing and other structures, the whole structure has more parts, improve assembly difficulty, assembly difficulty is big, cost is higher. INVENTION CONTENTS

[0003] The utility model aims at providing a kind of hidden adjustable hydraulic hinge to solve at least one of the above problems.

[0004] According to one aspect of the utility model, a kind of hidden adjustable hydraulic hinge is provided, including first hinge, second hinge, first rotating piece, second rotating piece, first core shaft device and second core shaft device, second core shaft device and first core shaft device structure are same, first core shaft device is located on first hinge, second core shaft device is located on second hinge, first core shaft device includes core shaft and transmission sleeve, transmission sleeve is set on the outside of core shaft, the side of first rotating piece is connected with the transmission sleeve of first core shaft device, the other side is rotatably connected with second hinge, the side of second rotating piece is connected with the transmission sleeve of second core shaft device, the other side is rotatably connected with first hinge.

[0005] The utility model has the advantages that: transmission sleeve is provided on the outside of core shaft, so that, when using, transmission sleeve is rotated together with corresponding hinge, and core shaft does not need to rotate, so that the installation of core shaft on each hinge is facilitated, and the overall structure is simplified, and the installation is more convenient.

[0006] In some embodiments, the first mandrel device further comprises a spring, a hydraulic device, a connecting head and a pin shaft, the mandrel is hollow, the spring, the hydraulic device and the connecting head are arranged in the mandrel, the spring and the hydraulic device are in abutment with two ends of the connecting head respectively, a spiral groove is arranged on the side wall of the mandrel, the two ends of the mandrel penetrate through the connecting head and then penetrate through the spiral groove, the two ends of the mandrel are matched with the transmission sleeve, and the transmission sleeve is arranged outside the mandrel. Therefore, the spring, the hydraulic device and other structures are directly arranged in the mandrel, the pin shaft penetrating through the connecting head is matched with the transmission sleeve, so that, in use, the pin shaft can be driven to rotate along the spiral groove through the action of the hydraulic device and the spring, the pin shaft acts on the transmission sleeve, so that the rotation of the transmission sleeve is realized, the rotation of the corresponding hinge on the transmission sleeve is driven, or the hinge drives the rotation of the transmission sleeve, and the mandrel remains stationary. The whole mandrel structure is simple and convenient to assemble, thereby reducing the production cost of the whole mandrel.

[0007] In some embodiments, the hidden adjustable hydraulic hinge further comprises a connecting sleeve, the connecting sleeve is arranged outside the transmission sleeve, and the first rotating piece and the second rotating piece are connected with the corresponding connecting sleeve. Therefore, by arranging the connecting sleeve, the transmission sleeve and the corresponding rotating piece are connected and synchronously rotated.

[0008] In some embodiments, the outside of the mandrel is provided with a mounting groove, the transmission sleeve comprises a first half-open sleeve and a second half-open sleeve, the first half-open sleeve and the second half-open sleeve are arranged opposite to each other and are both arranged outside the mounting groove, and the two ends of the pin shaft are matched with the first half-open sleeve and the second half-open sleeve respectively. Therefore, by arranging two half-open sleeves, the transmission sleeve can be conveniently arranged on the mounting groove.

[0009] In some embodiments, the hidden adjustable hydraulic hinge further comprises a first ball, and the end of the transmission sleeve is provided with the first ball at the contact position of the side wall of one side of the mounting groove. Therefore, by arranging the first ball, the frictional force received by the transmission sleeve during rotation can be reduced, and the rotation of the transmission sleeve is facilitated.

[0010] In some embodiments, the hidden adjustable hydraulic hinge further comprises a second ball, and the other end of the transmission sleeve is provided with the second ball at the contact position of the side wall of the other side of the mounting groove. Therefore, by arranging the second ball, the frictional force received by the transmission sleeve during rotation can be reduced, and the rotation of the transmission sleeve is facilitated.

[0011] In some embodiments, the outside of the transmission sleeve is provided with a clamping tooth, the inside of the connecting sleeve is provided with a vertical tooth, and the vertical tooth is matched with the clamping tooth. Therefore, by matching the clamping tooth with the vertical tooth, the matching of the connecting sleeve with the transmission sleeve is facilitated, and the synchronous rotation of the transmission sleeve with the connecting sleeve is facilitated.

[0012] In some embodiments, the hidden adjustable hydraulic hinge further comprises a first mounting base and a second mounting base, the first mounting base is fixed on the first hinge, the second mounting base is fixed on the second hinge, the first spindle device is fixed on the first mounting base, and the second spindle device is fixed on the second mounting base. Therefore, by providing the first mounting base and the second mounting base, the installation of the corresponding spindle device is facilitated.

[0013] In some embodiments, the hidden adjustable hydraulic hinge further comprises a mounting end cover, an outer side of the mounting end cover is provided with an outer thread, an inner wall of the spindle is provided with an inner thread matched with the outer thread, the mounting end cover is threadedly connected with the spindle, and the mounting end cover is in abutment with the spring. Therefore, by the mounting end cover, the limiting installation of the spring in the spindle is facilitated.

[0014] In some embodiments, the hidden adjustable hydraulic hinge further comprises an adjusting screw, an adjusting gear and a compression spring, one end of the adjusting screw extends into the spindle and is in abutment with the bottom of the hydraulic device, the adjusting gear is arranged on the first mounting base and the second mounting base, the compression spring is arranged on the first mounting base and the second mounting base and is in abutment with the rotating shaft of the adjusting gear, and the adjusting gear corresponds to the other end of the adjusting screw. Therefore, by pressing the adjusting gear, the adjusting gear acts on the adjusting screw to adjust the adjusting screw, the lifting position of the hydraulic device can be adjusted, so that the adjustment of the corresponding force of the hydraulic device is realized, and different use requirements are met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of a hidden adjustable hydraulic hinge of the utility model;

[0016] Figure 2 is a structural schematic view of part of structures in a hidden adjustable hydraulic hinge of the utility model;

[0017] Figure 3 is a sectional view of Figure 2 ;

[0018] Figure 4 is a structural schematic view of a first spindle device in a hidden adjustable hydraulic hinge of the utility model;

[0019] Figure 5 is a sectional view of Figure 4 ;

[0020] Figure 6 is a structural schematic view of a spindle in a hidden adjustable hydraulic hinge of the utility model;

[0021] Figure 7 is a structural schematic view of a transmission sleeve in a hidden adjustable hydraulic hinge of the utility model. DETAILED DESCRIPTION

[0022] The utility model will be described in further detail below with reference to the drawings.

[0023] With reference to Figures 1-7 The utility model discloses a hidden adjustable hydraulic hinge which comprises a first hinge 1, a second hinge 2, a first rotating piece 3, a second rotating piece 4, a first core shaft device 5 and a second core shaft device 6, the second core shaft device 6 is same in structure with the first core shaft device 5, the first core shaft device 5 is arranged on the first hinge 1, the second core shaft device 6 is arranged on the second hinge 2, the first core shaft device 5 comprises a core shaft 51 and a transmission sleeve 52, the transmission sleeve 52 is sleeved on the outside of the core shaft 51, one side of the first rotating piece 3 is connected with the transmission sleeve of the first core shaft device 5, and the other side is rotationally connected with the second hinge 2, one side of the second rotating piece 4 is connected with the transmission sleeve 52 of the second core shaft device 6, and the other side is rotationally connected with the first hinge 1.

[0024] In use, one of the hinges can be fixed on the door frame, and the other hinge can be fixed on the door leaf, when the door leaf rotates, the transmission sleeve 52 can be driven to rotate, the transmission sleeve 52 can act on the corresponding hinge, and the functions of buffering and automatic door and window closing can be realized.

[0025] The first core shaft device 5 further comprises a spring 53, a hydraulic device 54, a connecting head 55 and a pin shaft 56, the core shaft 51 is a hollow structure, the spring 53, the hydraulic device 54 and the connecting head 55 are arranged in the core shaft 51, the spring 53 and the hydraulic device 54 are respectively abutted with two ends of the connecting head 55, a spiral groove 511 is arranged on the side wall of the core shaft 51, the two ends of the core shaft 51 penetrate through the connecting head 55 and then penetrate through the spiral groove 511, the two ends of the core shaft 51 are matched with the transmission sleeve 52, and the transmission sleeve 52 is sleeved on the outside of the core shaft 51.

[0026] In actual use, the hydraulic device 54 can be a hydraulic cylinder or a damper, etc., to meet different use requirements, the spring 53 and the hydraulic device 54 act on two ends of the connecting head 55 respectively, when the connecting head 55 moves to the side of the spring 53 under the action of the hydraulic device 54, the connecting head 55 drives the pin shaft 56 to move to the side of the spring 53, that is, the pin shaft 56 moves to the side of the spring 53 along the spiral groove 11, since the pin shaft 56 is matched with the transmission sleeve 52, the transmission sleeve 52 is driven to rotate under the action of the pin shaft 56. Similarly, when the connecting head 55 moves to the side of the hydraulic device 54 under the action of the spring 53, the connecting head 55 drives the pin shaft 56 to move to the side of the hydraulic device 54, so that the pin shaft 56 drives the transmission sleeve 52 to rotate reversely. Thus, in use, the core shaft 51 does not need to rotate, only the transmission sleeve 52 needs to rotate, and the whole installation structure is simple.

[0027] The utility model discloses a hidden adjustable hydraulic hinge which further comprises a connecting sleeve 7, the connecting sleeve 7 is sleeved outside the transmission sleeve 52, and the first rotating piece 3 and the second rotating piece 4 are connected with the corresponding connecting sleeve 7.

[0028] The outer side of the mandrel 51 is provided with a mounting groove 512, the transmission sleeve 52 comprises a first half open sleeve 521 and a second half open sleeve 522, the first half open sleeve 521 is oppositely arranged with the second half open sleeve 522, and both are sleeved outside the mounting groove 512, and the both ends of the pin shaft 56 are matched with the first half open sleeve 521 and the second half open sleeve 522 respectively.

[0029] The utility model discloses a hidden adjustable hydraulic hinge which further comprises a first ball 8, one end of the transmission sleeve 52 is provided with the first ball 8 at the contact position between the side wall of one side of the mounting groove 512.

[0030] The utility model discloses a hidden adjustable hydraulic hinge which further comprises a second ball 9, the other end of the transmission sleeve 52 is provided with the second ball 9 at the contact position between the side wall of the other side of the mounting groove 512.

[0031] In actual installation, in order to facilitate the installation of the first ball 8 and the second ball 9, the first recess is formed on the side wall of both sides of the mounting groove 512, the second recess is formed on both ends of the first half open sleeve 521 and the second half open sleeve 522, and the first ball 8 and the second ball 9 are clamped between the corresponding first recess and second recess. By being provided with the first ball 8 and the second ball 9, the friction force received by the transmission sleeve 52 during rotation can be reduced, the wear of the transmission sleeve 52 can be reduced, and the load bearing capacity of the transmission sleeve 52 can be improved.

[0032] The outer side of the transmission sleeve 52 is formed with a clamping tooth 523, the inner side of the connecting sleeve 7 is provided with a vertical tooth, and the vertical tooth is matched with the clamping tooth 523. The clamping tooth 523 is clamped with the vertical tooth, so that the transmission sleeve 52 is relatively fixed with the connecting sleeve 7, the transmission sleeve 52 and the connecting sleeve 7 can rotate synchronously, and the transmission sleeve 52 and the hinge can rotate synchronously.

[0033] The vertical slot 53 is arranged on the first half-open sleeve 521 and the second half-open sleeve 522, and the two ends of the pin shaft 56 are respectively inserted into the vertical slot 53 on the corresponding side.

[0034] The hidden adjustable hydraulic hinge further comprises a first mounting seat 10 and a second mounting seat 20, the first mounting seat 10 is fixed on the first hinge 1 through screws, the second mounting seat 20 is fixed on the second hinge 2 through screws, the first core shaft device 5 is fixed on the first mounting seat 10, and the second core shaft device 6 is fixed on the second mounting seat 20.

[0035] The hidden adjustable hydraulic hinge further comprises a mounting end cover 30, an outer side of the mounting end cover 30 is provided with external threads, an inner wall of the core shaft 51 is provided with internal threads matched with the external threads, the mounting end cover 30 is in threaded cooperation with the core shaft 51, and the mounting end cover 30 abuts against the spring 53. Therefore, during installation, the spring 53 can be positioned and installed by screwing the mounting end cover 30, and the spring 53 can be conveniently kept in the core shaft.

[0036] The hidden adjustable hydraulic hinge further comprises an end cover 80, and the end cover 80 is matched with the core shaft 51. The end cover 80 is also in threaded cooperation with the core shaft 51, the end cover 80 is arranged, the hydraulic device 54 can be ensured to be kept in the core shaft 51, and the hydraulic device 54 can be conveniently installed in the core shaft 51.

[0037] The hidden adjustable hydraulic hinge further comprises an adjusting screw rod 40, an adjusting gear 50 and a compression spring 60, one end of the adjusting screw rod 40 is inserted into the core shaft 51, the adjusting screw rod 40 abuts against the bottom of the hydraulic device 54 after penetrating through the end cover, the adjusting screw rod 20 is in threaded cooperation with the end cover 80. The adjusting gear 50 is arranged on the first mounting seat 10 and the second mounting seat 20, the compression spring 60 is arranged on the first mounting seat 10 and the second mounting seat 20 and abuts against the rotating shaft 70 of the adjusting gear 50, and the adjusting gear 50 corresponds to the other end of the adjusting screw rod 40. The rotating shaft 70 of the adjusting gear 50 is sleeved on the corresponding mounting seat, adjusting grooves 90 are arranged on each mounting seat to facilitate the up-down adjustment of the adjusting gear 50 relative to the adjusting screw rod 40, and the adjusting grooves 90 are vertically arranged. Mounting holes are arranged on each mounting seat, the compression spring 60 is mounted in the mounting hole, and the top end of the compression spring 60 abuts against the rotating shaft 70.

[0038] In actual use, a rotating gear is formed at the other end of the adjusting screw 40, which can be engaged with the adjusting gear 50. When the damping force of the hydraulic device 54 needs to be adjusted, the operator acts on the adjusting gear 50, presses the adjusting gear 50 downward, the compression spring 60 is compressed, so that the adjusting gear 50 is engaged with the rotating gear of the adjusting screw 40 downward. At this time, rotating the adjusting gear 50 can drive the adjusting screw 40 to rotate, so that the hydraulic device 54 can adjust the compression degree of the connecting head, which is beneficial to the adjustment of the damping force of the opening and closing door and window, and meets the use requirements of different scenes.

[0039] When the adjustment of the hydraulic device 54 is completed, the external force is removed, at this time, the rebound force of the compression spring 60 pushes the rotating shaft 70 and the adjusting gear 50 to move upward, so that the adjusting gear 50 is separated from the adjusting screw 40, which is convenient to operate.

[0040] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the inventive concept of the present application, a number of modifications and improvements can be made, these all belong to the protection scope of the present application.

Claims

1. A concealed adjustable hydraulic hinge, characterized in that, The utility model provides a hinge, including first hinge (1), second hinge (2), first rotating piece (3), second rotating piece (4), first mandrel device (5) and second mandrel device (6), the second mandrel device (6) is same with first mandrel device (5) structure, first mandrel device (5) is located on first hinge (1), second mandrel device (6) is located on second hinge (2), first mandrel device (5) includes mandrel (51) and transmission sleeve (52), transmission sleeve (52) is set outside mandrel (51), one side of first rotating piece (3) is connected with the transmission sleeve of first mandrel device (5), and the other side is rotatably connected with second hinge (2), one side of second rotating piece (4) is connected with the transmission sleeve (52) of second mandrel device (6), and the other side is rotatably connected with first hinge (1).

2. A concealed adjustable hydraulic hinge according to claim 1, wherein, First mandrel device (5) still includes spring (53), hydraulic device (54), connecting head (55) and pin shaft (56), the mandrel (51) is hollow structure, spring (53), hydraulic device (54) and connecting head (55) are all located in mandrel (51), spring (53) and hydraulic device (54) are respectively with the both ends of connecting head (55) abut, the lateral wall of mandrel (51) is equipped with spiral groove (511), the both ends of mandrel (51) are threaded connecting head (55) after again, threaded spiral groove (511), the both ends of mandrel (51) are matched with transmission sleeve (52), transmission sleeve (52) is set outside mandrel (51).

3. A concealed adjustable hydraulic hinge according to claim 2, wherein, Still include connecting sleeve (7), connecting sleeve (7) is set outside transmission sleeve (52), first rotating piece (3) and second rotating piece (4) are connected with corresponding connecting sleeve (7).

4. A concealed adjustable hydraulic hinge according to claim 3, wherein, The outside of the mandrel (51) is provided with a mounting groove (512), and the transmission sleeve (52) comprises a first half-open sleeve (521) and a second half-open sleeve (522). The first half-open sleeve (521) is arranged opposite to the second half-open sleeve (522), and both are arranged outside the mounting groove (512). The both ends of the pin shaft (56) are matched with the first half-open sleeve (521) and the second half-open sleeve (522) respectively.

5. A concealed adjustable hydraulic hinge according to any one of claims 1 to 4, wherein, Further comprising a first ball (8), one end of the transmission sleeve (52) is provided with a first ball (8) at the contact position between the side wall of one side of the mounting groove (512).

6. A concealed adjustable hydraulic hinge according to claim 5, wherein, Further comprising a second ball (9), the other end of the transmission sleeve (52) is provided with a second ball (9) at the contact position between the side wall of the other side of the mounting groove (512).

7. A concealed adjustable hydraulic hinge according to claim 3 or 4, wherein, The outside of the transmission sleeve (52) is provided with a clamping tooth (523), and the inside of the connecting sleeve (7) is provided with a vertical tooth matched with the clamping tooth (523).

8. A concealed adjustable hydraulic hinge according to claim 7, wherein, Further comprising a first mounting seat (10) and a second mounting seat (20), the first mounting seat (10) is fixed on the first hinge (1), the second mounting seat (20) is fixed on the second hinge (2), the first mandrel device (5) is fixed on the first mounting seat (10), and the second mandrel device (6) is fixed on the second mounting seat (20).

9. A concealed adjustable hydraulic hinge according to claim 8, wherein, The installation end cover (30) is provided with an outer thread on the outer side, and the inner wall of the mandrel (51) is provided with an inner thread matched with the outer thread, the installation end cover (30) is threadedly matched with the mandrel (51), and the installation end cover (30) abuts against the spring (53).

10. A concealed adjustable hydraulic hinge according to claim 9, wherein, The adjusting screw (40) is provided with one end extending into the mandrel (51) and abutting against the bottom of the hydraulic device (54), the adjusting gear (50) is arranged on the first mounting base (10) and the second mounting base (20), the compression spring (60) is arranged on the first mounting base (10) and the second mounting base (20) and abuts against the rotating shaft (70) of the adjusting gear (50), and the adjusting gear (50) corresponds to the other end of the adjusting screw (40).

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