Sliding door handle and sliding door handle with locking structure

By designing a sliding door handle that combines a base plate and side panels, the sliding door achieves complete concealment and locking functions, solving the problems of complex installation and aesthetics in existing technologies, and improving user experience and security.

CN223907988UActive Publication Date: 2026-02-13XINLAIHE HIDDEN DOOR TECH (WUXI) CO LTD
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Patent Information

Application Number
CN202520356599.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-02-13
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

The existing handle design of sliding doors requires the additional installation of side handles in concealed sliding doors, which leads to complicated installation, increased costs, and affects aesthetics, and also lacks a locking function.

Method used

Design a sliding door handle with a combination structure of base plate, two side plates, top plate, and bottom plate. The hollowed-out parts form handles in the front, back, and side directions. It has a built-in locking structure. The door panel can be completely hidden by the inner, outer, and side handles. The locking structure can be installed without changing the main structure.

Benefits of technology

It achieves complete concealment of the sliding door, simplifies the installation process, reduces costs, improves the user experience, and has multiple applications, making it especially suitable for pocket doors. The locking mechanism operates smoothly and reliably.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sliding door handle and a sliding door handle with a locking structure, which comprise a handle body and are characterized in that the handle body is provided with a first side plate, a second side plate, a top plate, a bottom plate and a base plate; the base plate is located in the middle of the handle body. The front side and the rear side of the base plate form two concave structures with one part of the first side plate, one part of the top plate, one part of the second side plate and one part of the bottom plate respectively. The first side plate is provided with a hollow part to form a side handle position. Holes can be formed in the base plate, the inner door lock assembly and the outer door lock assembly are installed, and the handle can be used as a lock. The door plate is provided with handle structures in the front direction, the rear direction and the side direction, the door plate can be completely hidden without additionally installing a side handle, the door plate can be used outside a common sliding door and particularly suitable for a pocket door, and the net opening size of the door is not affected. The handle can be used as a handle purely and also can be used as a lock.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door and window handle technical field, concretely relates to a handle suitable for sliding door, especially pocket door and handle with locking structure. BACKGROUND

[0002] In the prior art, the handle of the sliding door is generally arranged on the inner and outer sides of the door panel so as to pull the sliding door indoors or outdoors. For example, the utility model patent CN214145060U discloses a sliding door handle fixing mechanism, which comprises a left handle and a right handle, the left handle and the right handle are connected through a connecting part between the upper and lower parts of the left handle and the right handle, the right handle is insertedly connected with the connecting part, and the left handle is insertedly connected with the connecting part and the relative position of the left handle and the connecting part is adjustable. During installation, after an installation hole is formed on the sliding door on which the handle is required to be installed, the right handle is first installed with the right clamping holes of the connecting part at both ends, then the right handle is inserted into the installation hole on the sliding door, and then the left clamping blocks at both ends of the left handle are inserted into the left clamping holes of the connecting part, and the position of the left handle on the connecting part is adjusted according to requirements.

[0003] This structure can be applied to general sliding doors, but when used in hidden sliding doors such as pocket doors, in order to pull the door out, the position of the installed handle must be exposed, which leads to the partial exposure of the door panel, thereby reducing the net opening size of the door.

[0004] If it is desired to completely hide the door panel in the wall, one solution is to additionally install an embedded handle on the side of the door panel. For example, the utility model patent CN217812838U discloses a hidden handle structure of a sliding door, which can be applied to this occasion, and the hidden handle structure is installed on the side of the door panel. When the sliding door is completely hidden in the wall, the pull handle needs to be popped out to pull the door panel from the wall, and then the other handles on the inner and outer sides of the door panel are used to close the sliding door.

[0005] This method requires an additional embedded handle on the side of the door panel, which not only makes the installation process complicated, indirectly increases the construction time and cost, but also affects the overall design aesthetics of the door, is not humanized, and reduces the user experience.

[0006] Therefore, it is necessary to design a sliding door handle that can completely hide the door panel in the wall without additional side handles, so as to meet the user demand.

[0007] At the same time, the sliding door also has the demand of locking the door, and if the handle can selectively install a locking structure to realize multifunctional application, it will have more application value. SUMMARY

[0008] The utility model discloses a push -and -pull door handle can be hidden in the wall body completely.

[0009] Another utility model of the utility model discloses a push -and -pull door handle with locking structure can install locking structure on the push -and -pull door handle under the premise of not changing the main body structure.

[0010] In order to realize the above-mentioned invention purpose, the utility model adopts the technical scheme: a push -and -pull door handle, including handle body, the handle body has the first side plate and second side plate that are arranged in parallel with the side of the door panel to be installed, the top plate that connects the upper end of first side plate and second side plate, the bottom plate that connects the lower end of first side plate and second side plate and the base plate that is connected with first side plate, top plate, second side plate and bottom plate around respectively, the base plate is located in the middle of handle body, and the front and rear sides of base plate respectively with first side plate, top plate, second side plate, bottom plate each part constitutes two recessed structures, the first side plate is opened in hollow, and constitutes side handle position.

[0011] When using, the push -and -pull door handle is installed at one side of door panel, and the recessed structure of base plate front and rear constitutes the handle of indoor and outdoor respectively, and when the door panel is hidden in the wall body, then the finger can be inserted into the hollow of first side plate and the door panel is pulled, so that the same handle body has two handles and side handle simultaneously.

[0012] The preferred technical scheme, the first side plate, the top plate, the second side plate, the bottom plate and the base plate are integrally formed structure.

[0013] The preferred technical scheme, the hollow is located in the upper part of first side plate, and the first side plate has recessed groove on the two sides of base plate at the hollow.

[0014] In order to realize the another invention purpose of the utility model, the technical scheme adopted is: a push -and -pull door handle with locking structure, including the handle body, the through -hole is opened on the base plate, the inner door lock assembly and outer door lock assembly are installed at the through -hole, the lock tongue that can rotate is equipped in the inner door lock assembly or the outer door lock assembly, the vertical slot is opened on the first side plate correspondingly, and the front end of lock tongue can be taken out of vertical slot or be taken back from vertical slot.

[0015] It can be considered that the push -and -pull door handle of the utility model can have two forms, " the first form " is the original form of handle, and does not have the lock function on design. The first side can be divided into three sections, the middle is hollow, and the handle that the finger can be put into is formed. When being installed on pocket door, it is not necessary to additionally equip side handle, and it is more humanized and generous. Two counterbores are arranged on the upper and lower sides, and are used for the penetration of fastener (screw), so that the door handle embedded in the door panel is fixed on the door panel.

[0016] The second form is that the handle body of the first form is processed and the front surface of the handle substrate is hollowed out to provide space required by the inner door lock assembly and the outer door lock assembly, thereby forming a sliding door lock handle with a lock function. A long hole is additionally provided at the lower end of the first side surface for the retraction and extension of the lock bolt during locking and unlocking. Two countersunk holes are additionally provided on the second side surface for fasteners to pass through, thereby fixing the inner door lock assembly and the outer door lock assembly on the door handle. Through the series of operations, the lock and the handle are perfectly integrated, forming an integrated appearance design.

[0017] Therefore, the handle designed in the two forms meets the requirement of patent singularity.

[0018] In the technical scheme, the inner door lock assembly mainly comprises an inner door lock cover plate, a driving member and a rack; the outer door lock assembly mainly comprises an outer door lock cover plate, a cylinder shaft, two gaskets, a lock bolt and a snap spring; the lock bolt is provided with a square hole; the cylinder shaft is divided into four sections: the first section is exposed on the front surface of the outer door lock cover plate, the second section is a round shaft, the third section is a square shaft, and the fourth section is provided with a wire groove around the outer periphery; the second section of the cylinder shaft penetrates through the gaskets, the outer door lock cover plate and the other gasket, the third section is inserted into the square hole of the lock bolt, and the fourth section is limited by the snap spring inserted into the wire groove; one side of the lock bolt is provided with straight teeth, the rack is engaged with the straight teeth of the lock bolt, and the protruding part of the rack penetrates through the guide groove on the inner door lock cover plate and is fixedly connected with the driving member outside the inner door lock cover plate.

[0019] The overall driving arrangement is that the driving member is driven to move up and down to drive the straight teeth on the rack and the lock bolt, and the lock bolt is rotated through meshing transmission. Since the square shaft section of the cylinder shaft is inserted into the square hole of the lock bolt, the cylinder shaft is also rotated.

[0020] In the preferred technical scheme, the outer end surface of the cylinder shaft is provided with a straight groove. The straight groove on the cylinder shaft is directed to the red and green circles around it in a vertical or horizontal manner, directly showing the locking or unlocking state of the door lock. A person outside the door can clearly determine the current locking state through the direction. In an emergency, a coin can be inserted into the straight groove to reversely drive the lock bolt and the rack by rotating the cylinder shaft, thereby opening the locked door.

[0021] In the further technical scheme, a color card is provided, which is sleeved on the second section of the cylinder shaft and is fixed to the inner side of the outer door lock cover plate. Different colors are provided on the color card, and small holes or grooves corresponding to the colors are provided on the outer door lock cover plate.

[0022] Preferably, the through hole formed on the substrate is a rectangular hole, and one of the outer door lock cover plate and the inner door lock cover plate is provided with four protruding cuboid limiting columns on the inner side of the upper and lower corners, the outer periphery of the limiting columns is in contact with the edge of the rectangular hole on the substrate, and the other is provided with two protruding cuboid limiting columns at the middle of the upper and lower ends of the inner side, and each limiting column is provided with a limiting screw hole arranged horizontally.

[0023] In the structure of the present application, the internal parts of the outer door lock assembly and the inner door lock assembly have a reversible function.

[0024] Further, the technical scheme is also provided with a positioning bead, the lock tongue is provided with a positioning hole, and the inner door lock cover plate is provided with a positioning recess on the inner side corresponding to the opening and closing state of the lock cylinder.

[0025] The positioning bead itself is a prior art, which is composed of a shell, a ball bead and an internal spring.

[0026] In the above technical scheme, the top plate and the bottom plate of the handle body are fixed on the base plate through countersunk screws respectively.

[0027] Compared with the prior art, the present application has the following advantages due to the use of the above technical scheme:

[0028] 1. The handle body is composed of a substrate and two side plates, a top plate and a bottom plate, and a hollow part is formed on the first side plate, so that one handle body has a handle structure in front, back and side directions, and the complete hiding of the door plate can be realized without separately installing a side handle.

[0029] 2. The inner handle and the outer handle are composed of two larger groove structures, so that there is enough space to install an internal concealed lock body, so that the handle can be used as a handle or as a handle and a lock.

[0030] 3, The utility model discloses door lock structure adopts simple mechanical structure, ensure locking and unlocking operation smooth, improve the stability and reliability of operation simultaneously, as indoor sliding door lock, can be opened the door of anti -locking through coin easily outside the door, especially suitable in the emergency use.

[0031] 4, The utility model discloses novel appearance can be installed completely in the door panel inside, do not influence the thickness of door panel and the net opening size of door. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the structure explosion schematic drawing of embodiment one of the utility model;

[0033] Figure 2 It is the use state schematic drawing of the door inside view of embodiment one;

[0034] Figure 3 It is the use state schematic drawing of the door outside view of embodiment one;

[0035] Figure 4 It is the use state schematic drawing of embodiment two of the utility model.

[0036] Wherein: 1, handle body; 2, button core shaft; 3, washer; 4, outer door lock cover plate; 5, color card; 6, fastener; 7, lock tongue; 8, positioning bead; 9, clasp spring; 10, inner door lock cover plate; 11, gasket; 12, knob; 13, rack; 14, door panel; 15, first side plate; 16, second side plate; 17, top plate; 18, bottom plate; 19, base plate; 20, hollow; 21, mounting hole; 22, elongated hole; 23, countersunk hole; 24, limiting column; 25, guide groove. DETAILED DESCRIPTION

[0037] The utility model will be further described in connection with the drawings and examples:

[0038] Example one: see Figure 1 The utility model discloses a sliding door handle with locking structure, which has a first side plate 15 and a second side plate 16 arranged parallel to the side surface of a door panel to be installed, a top plate 17 connected to the upper ends of the first side plate 15 and the second side plate 16, a bottom plate 18 connected to the lower ends of the first side plate 15 and the second side plate 16, and a base plate 19 connected to the first side plate 15, the top plate 17, the second side plate 16 and the bottom plate 18 around.

[0039] The base plate 19 is located in the middle of the handle body 1, and the front and rear sides of the base plate 19 are respectively connected to a part of the first side plate, the top plate, the second side plate and the bottom plate to form two recessed structures.

[0040] As Figure 1As shown, the lower part of the substrate 19 is provided with a rectangular mounting hole 21 for mounting the door lock assembly, and the lower part of the first side plate 15 is provided with an elongated hole 22 for the lock tongue to enter and exit; and the second side plate 16 is provided with two countersunk holes 23 for fixing the door lock assembly.

[0041] The outer door lock assembly is threaded through the washer 3, the outer door lock cover plate 4, the color card 5, another washer 3, and the lock tongue 7 by the spindle 2, and finally the snap spring 9 is inserted into the wire slot at the tail end of the spindle 2.

[0042] Before threading, the shell of the positioning bead 8 needs to be positioned into the pre-set positioning hole on the lock tongue 7. The spindle 2, which is used to thread through the components, can be divided into four segments: the first segment is exposed on the front surface of the outer door lock cover plate 4, as shown in Figure 3 , and a straight slot is provided on the end surface; the second segment is a round shaft used to thread through the washer 3, the outer door lock cover plate 4, the color card 5, and another washer 3; the third segment is a square shaft used to penetrate into the square hole of the lock tongue 7, and when rotated, it can drive the lock tongue to rotate; the fourth segment has a wire slot for the insertion and limiting of the snap spring 9.

[0043] In this embodiment, the outer door lock cover plate 4 is designed to be left-right symmetrical, and the front surface is provided with three small through holes, which are arranged around the central through hole on the left and right and above. The inner side is provided with a three-quarter circular recess, and the inner side of each corner is provided with a protruding cuboid limiting column 24, and each limiting column side is provided with a through hole.

[0044] The inner door lock assembly is composed of an inner door lock cover plate 10, a rack 13, a pusher 12, and a gasket 11. This assembly is threaded through the inner door lock cover plate 10 by the protruding limiting end of the rack 13, and is firmly fixed together with the pusher 12 by a fastener (bolt) threaded through the positioning hole on the rack 13. The inner door lock cover plate 10 is designed to be up-down symmetrical, and is provided with a guide slot 25 for the protruding limiting end of the rack 13 to pass through. The inner side of the inner door lock cover plate 10 is provided with a positioning recess, and the upper and lower sides are provided with protruding cuboid limiting columns, and each limiting column side is provided with a threaded limiting hole.

[0045] Installation of the handle body, the inner door lock assembly, and the outer door lock assembly:

[0046] First, assemble the inner door lock assembly and the outer door lock assembly respectively.

[0047] Then, place the cuboid limiting column of the outer door lock cover plate into the pre-set door handle hollow position, which will be in contact with the edge of the square hole of the door handle hollow.

[0048] The inner side of the inner door lock cover plate of the inner door lock assembly is also provided with a protruding cuboid limiting column, which corresponds to the cuboid limiting column 24 of the outer cover, and all the limiting holes are in a straight line with the countersunk holes 23 on the second side plate. After the fastener 6 is threaded in, the two side cover plates can be firmly fixed on the door handle.

[0049] The assembled state of use is shown in Figure 2 、 Figure 3 The handle body 1 is installed on the door panel 14. Figure 2 The indoor side is usually indoors, and the locking and unlocking are achieved by the up and down movement of the knob. Figure 3 The outdoor side is usually outdoors, and the straight slot on the button core shaft 2 can be seen.

[0050] In use, the unlocking and locking states can be driven by the up and down movement of the knob to drive the straight teeth on the rack and the lock tongue, and the locking tongue is rotated to achieve the locking. One end of the locking tongue is extended through the elongated hole 22, and the limiting member on the opposite door frame is hooked, so that the door can be locked. Reverse movement of the knob, the locking tongue is retracted, and the door can be unlocked.

[0051] At the same time, the button core shaft is connected to the lock tongue through the square shaft and the square hole, and will rotate with the lock tongue, and the straight slot at the outer end will point to the red and green circles around it in an upright or horizontal manner, directly showing the locking or unlocking state.

[0052] The above transmission can be bidirectional, and in an emergency, a coin can be inserted into the straight slot on the end face of the button core shaft to rotate the coin and drive the button core shaft and the lock tongue to rotate, thereby opening the locked door. As an indoor sliding door lock, the locked door can be easily opened from the outside by using a coin, which is especially suitable for use in emergency situations.

[0053] Example two: as shown in Figure 4 A sliding door handle has a first side plate and a second side plate arranged parallel to the side of the door panel 14 to be installed, a top plate connecting the upper ends of the first side plate and the second side plate, a bottom plate connecting the lower ends of the first side plate and the second side plate, and a base plate connected to the first side plate, the top plate, the second side plate and the bottom plate respectively; the base plate is located in the middle of the handle body, and the front and rear sides of the base plate are respectively connected to one part of the first side plate, the top plate, the second side plate and the bottom plate to form two recessed structures; the first side plate is provided with a hollow part to form a side handle position.

[0054] This embodiment is only used as a handle.

Claims

1. A sliding door handle comprising a handle body, characterised in that: The handle body has a first side plate and a second side plate arranged parallel to the side of the door panel to be installed, a top plate connecting the upper ends of the first side plate and the second side plate, a bottom plate connecting the lower ends of the first side plate and the second side plate, and a base plate connecting the first side plate, the top plate, the second side plate and the bottom plate around; the base plate is located in the middle of the handle body, and the front and rear sides of the base plate are respectively connected with a part of the first side plate, the top plate, the second side plate and the bottom plate to form two recessed structures; a hollow part is formed in the first side plate to form a side handle position.

2. A sliding door handle according to claim 1, characterised in that: The first side plate, the top plate, the second side plate, the bottom plate and the base plate are integrally formed.

3. A sliding door handle according to claim 1, characterised in that: The hollow part is located at the upper part of the first side plate, and the first side plate has a groove on both sides of the base plate at the hollow part.

4. A sliding door handle with a locking structure, characterized by: The handle body of any one of claims 1 to 3 is provided with a through hole in the base plate, and an inner door lock assembly and an outer door lock assembly are installed at the through hole, a rotatable bolt is arranged in the inner door lock assembly or the outer door lock assembly, a vertical slot is formed in the first side plate, and the front end of the bolt can be inserted into or withdrawn from the vertical slot.

5. The sliding door handle with a locking structure according to claim 4, characterized in that: The inner door lock assembly mainly comprises an inner door lock cover plate, a pusher and a rack; the outer door lock assembly mainly comprises an outer door lock cover plate, a cylinder shaft, two washers, a bolt and a snap spring; the bolt is provided with a square hole; the cylinder shaft is divided into four sections: the first section is exposed on the front surface of the outer door lock cover plate, the second section is a round shaft, the third section is a square shaft, and the fourth section is provided with a wire groove around the outer periphery; the second section of the cylinder shaft penetrates through the washers, the outer door lock cover plate and the other washer, the third section is inserted into the square hole of the bolt, and the fourth section penetrates through the inner door lock cover plate and is limited by the snap spring in the wire groove; one side of the bolt is provided with a straight tooth, the rack is engaged with the straight tooth of the bolt, and the protruding part of the rack penetrates through the guide groove on the inner door lock cover plate and is fixedly connected with the pusher outside the inner door lock cover plate.

6. The sliding door handle with a locking structure according to claim 5, characterized in that: A straight groove is arranged on the outer end surface of the cylinder shaft.

7. The sliding door handle with a locking structure according to claim 5, characterized in that: A color card is arranged, which is sleeved on the second section of the round shaft of the cylinder shaft and is fixed to the inner side of the outer door lock cover plate; different colors are arranged on the color card, and small holes or grooves are formed in the outer door lock cover plate corresponding to the color areas.

8. The sliding door handle with a locking structure according to claim 5, characterized in that: The through hole formed in the base plate is a rectangular hole, the inner side of one of the outer door lock cover plate and the inner door lock cover plate is provided with protruding rectangular limit columns at four corners, the outer periphery of the limit columns is in contact with the edge of the rectangular hole on the base plate, and the inner side of the other is provided with protruding rectangular limit columns at the middle of the upper end and the lower end, each limit column is provided with a limit screw hole arranged horizontally, and during installation, the three upper rectangular limit columns are arranged in a row, and are fixed by a screw penetrating through the second side plate; the three lower rectangular limit columns are also arranged in a row, and are fixed by another screw penetrating through the second side plate.

9. The sliding door handle with a locking structure according to claim 5, characterized in that: A positioning bead is further arranged, the bolt is provided with a positioning hole, one positioning recess is arranged on the inner side of the inner door lock cover plate corresponding to the opening and closing state of the lock cylinder, the shell of one end of the positioning bead is positioned in the positioning hole of the bolt, the ball bead of the other end is in elastic contact with the inner door lock cover plate, and is respectively sunk into the corresponding positioning recess when the lock cylinder is opened and closed.

10. The sliding door handle with a locking structure according to claim 4, characterized in that: The top plate and the bottom plate of the handle body are fixed to the base plate by means of countersunk screws.

Citation Information

Patent Citations

  • Sliding door handle fixing mechanism

    CN214145060U

  • Hidden handle structure of sliding door

    CN217812838U