CN219794934U

CN219794934U - Door lock handle

Info

Publication number: CN219794934U
Application number: CN202320542178.3U
Authority: CN
Inventors: 张宏彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-10-03
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a door lock handle, which comprises a base with side walls and a bottom wall, wherein a square rod hole is formed in the bottom wall of the base, a cover cap is detachably connected to the top of the base, a handle body is rotatably connected to the outside of the cover cap, a transmission chamber for accommodating a transmission member is formed in the base and the cover cap, a mounting through hole is formed in the top wall of the cover cap, one end of the transmission member is detachably connected with a connecting part of the handle body from the inside of the cover cap through the mounting through hole when the transmission member is transmitted, and the other end of the transmission member is detachably connected with a square rod penetrating into the transmission chamber from the square rod hole so as to transmit torque formed by rotation of the handle body to the square rod; an elastic gasket is arranged between the top wall of the cap and the transmission piece; according to the door lock, the split type structure is adopted between the transmission part and the handle body, the square rod is only inserted and fixed in the transmission part, when the transmission part or the handle body is damaged, the transmission part or the handle body can be replaced independently, the whole structure of the door lock handle is simplified, rapid assembly is realized, and the production efficiency is improved.

Description

Door lock handle

Technical Field

The utility model relates to the technical field of handles, in particular to a door lock handle.

Background

The door lock handle is one of common hardware and is mainly matched with door locks arranged on various door plates for use; the door plate is generally provided with a lock core cavity penetrating through the front plate surface and the rear plate surface of the door plate, a door lock core is arranged in the lock core cavity, a square bar is connected to the door lock core, a door lock handle is arranged at the lock core cavity of the door plate and connected with the square bar, and the door lock handle is applied with force to drive the square bar to rotate so as to drive a moving part in the door lock core to move, so that the door lock is opened and closed; because the door lock is frequently opened and closed, the door lock handle is screwed and is frequently stressed, the door lock handle is easy to break and damage, and the door lock handle is invalid and cannot normally drive the square rod to rotate, so that maintenance is needed at the moment.

The Chinese patent application No. 202020143763.2 discloses a door handle, which comprises an outer handle and an inner handle which face each other, wherein the right end part of the outer handle is rotatably provided with a first outer plate, and the left end face of the inner handle is rotatably connected with a second outer cover; the right end of the outer handle is provided with a first round boss, a first square hole is formed in the first round boss, a first through hole matched with the first round boss is formed in the middle of the first outer plate, a first annular groove is formed in the right end of the side wall of the first round boss, a first clamp spring is embedded in the first annular groove, the first outer plate is sleeved outside the first round boss through the first through hole, and the position of the first outer plate is limited through the first clamp spring; the left end of the inner handle is provided with a second circular boss, a second square hole is formed in the second circular boss, a second through hole matched with the second cylindrical boss is formed in the middle of the second outer cover, a second annular groove is formed in the left end of the side wall of the second circular boss, a second clamp spring is embedded in the second annular groove, a second outer cover is sleeved on the second circular boss through the second through hole, and the position of the second cylindrical boss is limited through the second clamp spring; although when the door handle of this structure appears damaging, the accessible demolishs the jump ring, external handle and interior handle carry out split maintenance, but the handle revolves when twisting, round boss atress is concentrated and is appeared fracture or square hole wearing and tearing easily, square hole that the square rod cartridge is fixed sets up on round boss, round boss and handle form monolithic structure, be undetachable between the two, if damage appears, need wholly change the handle, cause the wasting of resources, it adopts the jump ring spacing to fix moreover, need set up corresponding ring channel on round boss, in order to avoid becoming flexible, the position precision of requirement ring channel is higher, the complexity of structure has been increased, need go into the jump ring from the side card of round boss during the installation, because the side operating space of round boss is limited, be inconvenient for the installation, influence production efficiency.

Disclosure of Invention

The utility model aims to provide a door lock handle which can avoid integral replacement during maintenance, reduce resource waste, simplify the integral structure and facilitate disassembly and assembly.

The aim of the utility model is achieved by the following technical scheme:

the door lock handle comprises a base with a side wall and a bottom wall, wherein a square rod hole is formed in the bottom wall of the base, a cover cap is detachably connected to the top of the base, a handle body is rotatably connected to the outside of the cover cap, a transmission cavity for accommodating a transmission piece is formed in the base and the cover cap, a mounting through hole is formed in the top wall of the cover cap, one end of the transmission piece is detachably connected with a connecting part of the handle body from the inside of the cover cap through the mounting through hole when the transmission piece is transmitted, and the other end of the transmission piece is detachably connected with a square rod penetrating into the transmission cavity from the square rod hole so as to transmit torque formed by rotation of the handle body to the square rod; an elastic gasket is arranged between the top wall of the cap and the transmission piece.

Based on the technical scheme, the utility model can be improved as follows:

further, one end of the transmission piece is rotatably connected with the mounting through hole and detachably connected with the connecting part of the handle body.

Further, the transmission piece comprises a first transmission seat and a second transmission seat which are mutually butted, an insertion channel for inserting the square rod is formed in the first transmission seat and the second transmission seat, and the first transmission seat is rotatably embedded in an installation through hole on the top wall of the cap and is detachably connected with the connecting part of the handle body; the top wall of the second transmission seat is provided with a plug-in port corresponding to the cross section of the square rod, and the plug-in port is communicated with the plug-in channel.

Further, the connecting parts of the first transmission seat and the handle body are axially fastened through riveting pieces, and the top wall of the first transmission seat and the connecting parts of the handle body are respectively provided with riveting holes which are correspondingly matched with the riveting pieces.

Further, the riveting piece is a hexagonal blind rivet nut.

Further, the butt joint ends of the first transmission seat and the second transmission seat are provided with limiting parts, and when the axial fastening is performed, the limiting parts are in stop fit with the top wall of the cap so as to limit the axial movement of the transmission piece.

Further, the elastic gasket is a wave spring gasket, a rubber gasket or an elastic plastic gasket.

Further, the lateral wall outer peripheral face of base is provided with the external screw thread, and the lateral wall inner peripheral face of block is provided with the internal screw thread, block and base threaded connection.

Further, the base is fixedly arranged at a lock core cavity on the door plate through bolts, and bolt through holes are correspondingly formed in the bottom wall of the base.

Further, the sidewall height of the cap is greater than the sidewall height of the base.

Compared with the prior art, the technology of the utility model has the following advantages:

(1) According to the utility model, a split structure is adopted between the transmission piece and the handle body, the square rod is only inserted and fixed in the transmission piece, and when the transmission piece or the handle body is damaged, the transmission piece or the handle body can be independently replaced, so that the door lock handle is prevented from being integrally replaced, and the resource waste is reduced;

(2) According to the utility model, the transmission piece and the handle body are axially fastened by adopting the riveting piece, and corresponding clamping grooves and corresponding limiting pieces are not required to be processed, so that the integral structure of the door lock handle is simplified, the quick assembly is realized, and the production efficiency is improved.

Drawings

The utility model will be described in further detail with reference to the accompanying drawings and specific embodiments

FIG. 1 is a schematic view of a door lock handle according to the present utility model;

FIG. 2 is an exploded view of the door lock handle of the present utility model;

FIG. 3 is a schematic view of a first transmission seat according to the present utility model;

fig. 4 is a schematic structural view of a second transmission seat of the present utility model.

The marks on the accompanying drawings: 1-base, 1 a-square rod hole, 1 b-bolt through hole, 2-cap, 2 a-installation through hole, 3-handle body, 3 a-gripping part, 3 b-connecting part, 4-first transmission seat, 5-second transmission seat, 6-hexagonal rivet nut, 7-wave spring washer.

Detailed Description

The following description of specific embodiments of the utility model is provided to aid in understanding the utility model and is not to be construed as limiting the utility model, as illustrated in the accompanying drawings. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1 to 4, the present utility model relates to a door lock handle which is mountable to an inner panel surface and an outer panel surface of a door panel, the door lock handle comprising a base 1 and a cap 2 detachably connected, a handle body 3 provided outside the cap 2, and a transmission member provided inside the cap 2 to transmit torque to a square bar; the base 1 has annular side walls and a bottom wall, the cap 2 has annular side walls and a top wall, and the handle body 3 has a grip portion 3a and a connecting portion 3b fixedly connected to each other.

The bottom of the base 1 is connected with a lock core cavity on the door plate, and a square rod hole 1a through which a square rod passes is arranged in the middle of the bottom wall of the base 1; the middle of the top wall of the cap 2 is provided with a mounting through hole 2a, the transmission piece is rotatably connected with the mounting through hole 2a, and the inside of the cap 2 is detachably connected with a connecting part 3b of a handle body 3 outside the cap 2 through a riveting piece; the base 1 and the cap 2 are internally provided with a transmission chamber for accommodating a transmission member, the transmission member can rotate in the transmission chamber and is detachably connected with a square rod penetrating into the transmission chamber from a square rod hole 1a on the bottom wall of the base 1, so that torque generated when the handle body 3 rotates is transmitted to the square rod, the square rod correspondingly rotates, and the door lock is opened and closed.

One end of the transmission piece is a fastening end, is rotatably arranged in an installation through hole 2a on the top wall of the cap 2, and is detachably connected with a connecting part 3b of the handle body 3 outside the cap 2 through a riveting piece; the other end of the transmission piece is a hollow insertion end, an insertion port corresponding to the cross section shape of the square bar is formed, the square bar is inserted and fixed in the hollow insertion end through the insertion port, and when the handle body 3 is rotated, the transmission piece is driven to rotate, and accordingly the square bar is driven to rotate.

Specifically, the transmission piece comprises a first transmission seat 4 and a second transmission seat 5 which are mutually butted, the two transmission seats are provided with a top wall and an annular side wall, an insertion channel for inserting a square rod is formed in the transmission seats, and a stop part is formed at the butted end of the transmission seats; the first transmission seat 4 is rotatably embedded in the mounting through hole 2a on the top wall of the cap 2 and is detachably connected with the connecting part 3b of the handle body 3 through a riveting piece, and the stop part is in stop fit with the top wall of the cap 2; the stopping part is an annular flange, and when the stopping part is fastened, the annular flange is attached to the top wall of the cap 2 so as to limit the axial movement of the transmission piece; an inserting port is arranged in the middle of the top wall of the second transmission seat 5, and the square rod is inserted and fixed in the hollow inserting end through the inserting port.

The riveting piece is an existing hexagonal rivet nut 6, and riveting holes corresponding to the hexagonal rivet nut 6 are formed in the middle of the connecting part 3b of the handle body 3 and the top wall of the first transmission seat 4; the hexagonal rivet nut 6 is placed into the inserting channel through the inserting port on the second transmission seat 5, after being sequentially inserted into the rivet hole on the top wall of the first transmission seat 4 and the rivet hole on the connecting part 3b of the handle body 3, the hexagonal rivet nut 6 is axially rivet-pulled by a rivet pulling gun, the peripheral wall of the hexagonal rivet nut 6 is extruded and deformed to form an annular convex edge, so that the handle body 3, the cap 2 and the transmission piece are fastened simultaneously, the door lock handle structure is simplified, corresponding clamping grooves are not required to be processed, corresponding limiting pieces are not required to be configured, quick assembly is realized, the production efficiency is improved, a split structure is adopted between the transmission piece and the handle body 3, and when the transmission piece or the handle body 3 is damaged, only the hexagonal rivet nut 6 is required to be removed, the door lock handle is prevented from being replaced independently, and the resource waste is reduced.

An elastic gasket is arranged between the top wall of the cap and the transmission piece, and is preferably a wave spring washer 7 which is sleeved outside the first transmission seat 4; the surface of the wave spring washer 7 is provided with a plurality of wave crests and wave troughs, the diameter of the inner ring corresponds to the external diameter of the first transmission seat 4, and the diameter of the outer ring of the elastic washer 7 is smaller than the diameter of the annular flange of the first transmission seat 4, so that the pretightening force among the handle body 3, the cap 2 and the transmission piece is increased, and axial shaking is avoided; in the embodiment, the number of the wave-shaped spring washers is one, and a plurality of wave-shaped spring washers can be arranged according to actual conditions; meanwhile, the elastic gasket can also be a rubber gasket or an elastic plastic gasket according to actual needs.

The base 1 is a circular base body with an opening at the top, the diameter of the circular base body is larger than that of a lock cylinder cavity on the door plate, the base 1 is fixedly arranged at the lock cylinder cavity on the door plate through bolts, and a bolt through hole 1b is correspondingly formed in the bottom wall of the base 1; the outer peripheral surface of the side wall of the base 1 is provided with external threads, the inner peripheral surface of the side wall of the cap 2 is provided with internal threads, and the cap 2 is in threaded connection with the base 1; wherein the sidewall height of the cap 2 is greater than the sidewall height of the base 1 to completely shield the base 1.

The number of the bolt through holes 1b in the present embodiment may be two or more, and it is preferable that the number of the bolt through holes 1b is three to four, and each bolt through hole 1b is uniformly distributed around the square bar hole 1 a.

In this embodiment, the holding portion 3a and the connecting portion 3b of the handle body 3 are cylindrical, the diameter of the holding portion 3a is larger than that of the connecting portion 3b, the length of the holding portion 3a is smaller than that of the connecting portion 3b, and the holding portion 3a and the connecting portion 3b are fixed together by welding, or an integrally formed structure can be adopted; the grip portion 3a may be long-handled according to actual needs; the diameter of the connecting portion 3b is larger than the diameter of the mounting through hole 2a on the top wall of the cap 2.

The above-mentioned embodiments of the present utility model are not intended to limit the scope of the present utility model, and the embodiments of the present utility model are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present utility model according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present utility model shall fall within the scope of the present utility model.

Claims

1. The door lock handle comprises a base with a side wall and a bottom wall, wherein a square rod hole is formed in the bottom wall of the base, a cover cap is detachably connected to the top of the base, and a handle body is rotatably connected to the outside of the cover cap; an elastic gasket is arranged between the top wall of the cap and the transmission piece.

2. The door lock handle according to claim 1, wherein one end of the transmission member is rotatably connected to the mounting through hole and detachably connected to the connecting portion of the handle body.

3. The door lock handle according to claim 2, wherein the transmission member comprises a first transmission seat and a second transmission seat which are butted with each other, wherein an insertion passage for inserting the square bar is formed inside the first transmission seat and the second transmission seat, and the first transmission seat is rotatably embedded in the installation through hole on the top wall of the cap and is detachably connected with the connecting part of the handle body; the top wall of the second transmission seat is provided with a plug-in port corresponding to the cross section of the square rod, and the plug-in port is communicated with the plug-in channel.

4. The door lock handle according to claim 3, wherein the connecting portion between the first transmission seat and the handle body is axially fastened by a rivet, and the top wall of the first transmission seat and the connecting portion of the handle body are provided with rivet holes corresponding to the rivet.

5. The door lock handle according to claim 4, wherein the rivet is a hex blind rivet nut.

6. The door lock handle according to claim 4, wherein the abutting ends of the first and second transmission seats are formed with a limiting portion, and the limiting portion is in stop fit with the top wall of the cap to limit axial movement of the transmission member when axially fastened.

7. The door latch handle according to claim 5, wherein said resilient gasket is a wave spring gasket, a rubber gasket, or a resilient plastic gasket.

8. The door lock handle according to any one of claims 1 to 7, wherein the outer peripheral surface of the side wall of the base is provided with external threads, the inner peripheral surface of the side wall of the cap is provided with internal threads, and the cap is screw-coupled with the base.

9. The door lock handle according to claim 8, wherein the base is fixedly installed at the lock core cavity on the door panel by bolts, and the bottom wall of the base is provided with bolt through holes.

10. The door lock handle according to claim 9, wherein the sidewall height of the cap is greater than the sidewall height of the base.