CN218375833U - Door lock with replaceable handle - Google Patents

Abstract

The utility model relates to a lock technical field discloses a lock of removable handle, including transmission strip, handle head and backplate, the both ends of transmission strip are by inside to outside in proper order detachably cover be equipped with handle head and handle, handle head overcoat is equipped with the backplate that is used for being connected with the door plant, is equipped with the torsional spring between handle head and the backplate, and the one end and the handle head of torsional spring are connected, and the other end and the backplate of torsional spring are connected, and the torsional spring is used for driving flagging handle and resets. Compare in current lock body spring and backplate spring, the elasticity that the torsional spring produced when the handle is flagging restores power bigger, has guaranteed good handle resilience effect, has avoided the slightly flagging problem of handle after long-time the use.

Description

Door lock with replaceable handle

Technical Field

The utility model relates to a lock technical field, more specifically say, relate to a lock of removable handle.

Background

Existing door locks mainly include two types: one type of handle and the guard plate are of an integrated structure, so that a user cannot disassemble and replace the handle, the handle cannot be sold independently, and diversified market requirements are difficult to meet; another kind of handle and backplate independent setting, the user can dismantle the change handle, can rely on lock body spring or backplate spring to reset after its handle pushes down, but the restoring force of lock body spring or backplate spring is relatively poor, has the slight flagging phenomenon of handle after long-time the use, influences the pleasing to the eye of lock.

In summary, how to avoid slight sagging of the handle after long-time use is an urgent problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a lock of removable handle, handle and the independent cover of handle head are equipped with the torsional spring on locating the transmission strip between handle head and the backplate, and the handle resilience force is stronger, can avoid the handle to use the back slightly flagging for a long time.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a lock of removable handle, includes transmission strip, handle head and backplate, the both ends of transmission strip are by interior detachably cover in proper order outside to be equipped with handle head with the handle, handle head overcoat is equipped with and is used for being connected with the door panel the backplate, handle head with be equipped with the torsional spring between the backplate, the one end of torsional spring with handle head is connected, the other end of torsional spring with the backplate is connected, the torsional spring is used for driving flagging the handle resets.

Preferably, an inner lining plate is sleeved in the guard plate and provided with a limiting clamping groove used for being in clamping fit with the torsion spring.

Preferably, the handle head is sleeved with a positioning piece, and the positioning piece is provided with a limiting clamping groove used for being matched with the torsion spring in a clamping manner.

Preferably, one of the outer periphery of the handle head and the inner periphery of the positioning piece is provided with a limiting groove, and the other is provided with a limiting bulge in clamping fit with the limiting groove.

Preferably, a retainer ring mounting groove for mounting a retainer ring is formed in the outer periphery of the handle head, and the retainer ring is used for limiting the axial displacement of the positioning piece.

Preferably, the handle is connected to the drive rod by a set screw.

Preferably, one of the two guard plates on two sides of the transmission strip is provided with at least one connecting bolt, and the other guard plate is provided with a connecting nut matched with the connecting bolt.

The utility model provides a lock of removable handle when the handle pushes down because of external force or self gravity, the handle drives the transmission strip and rotates, and then drives the cover and locates the outer handle head rotation of transmission strip, and the backplate is connected with the door plant, its position keeps unchangeable for connect the torsional spring between handle head and backplate and twist reverse and save elastic potential energy, after external force withdrawal, the handle restores to the throne under the elastic restoring force effect of torsional spring.

Compare in current lock body spring and backplate spring, the elasticity that the torsional spring produced when the handle is flagging restores power bigger, has guaranteed good handle resilience effect, has avoided the slightly flagging problem of handle after long-time the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is the utility model provides a structure schematic diagram of the specific embodiment of lock of removable handle.

In FIG. 1:

the handle comprises a transmission bar 1, a handle 2, a handle head 3, a protective plate 4, an inner lining plate 5, a torsion spring 6, a positioning sheet 7, a gasket 8, a retainer ring 9, a set screw 10, a connecting bolt 11 and a connecting nut 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a lock of removable handle, handle and handle head are independently overlapped and are located the transmission strip, are equipped with the torsional spring between handle head and the backplate, and the handle resilience force is stronger, can avoid the handle to use the back slightly flagging for a long time.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a specific embodiment of a door lock with a replaceable handle according to the present invention, shown in fig. 1.

The utility model provides a lock of removable handle, including driving strip 1, handle 2, handle head 3 and backplate 4, the both ends of driving strip 1 are by interior detachably cover in proper order outside to be equipped with handle head 3 and handle 2, and 3 overcoat of handle head are equipped with the backplate 4 that is used for being connected with the door plant, are equipped with torsional spring 6 between handle head 3 and the backplate 4, and the one end and the handle head 3 of torsional spring 6 are connected, and the other end and the backplate 4 of torsional spring 6 are connected, and torsional spring 6 is used for driving flagging handle 2 and resets.

The guard plates 4 on the two sides are used for being connected with the inner surface and the outer surface of the door panel to fix the position of the door lock; the transmission strip 1 is used for connecting the handles 2 on two sides, so that the handles 2 on the inner side and the outer side of the door synchronously rotate; the handle head 3 is sleeved with a protective plate 4 for mounting the protective plate 4 on the transmission strip 1.

The specific materials, structures, shapes and sizes of the transmission strip 1 and the guard plate 4 are determined according to actual production needs by referring to the prior art, and are not described in detail herein.

Referring to fig. 1, the handle 2 and the handle head 3 are independently sleeved outside the transmission strip 1, so that a user can conveniently replace the handle 2 according to the requirement after the door lock is installed; be equipped with torsional spring 6 between handle head 3 and the backplate 4 to the elasticity that utilizes torsional spring 6 restores to the throne that droops is driven to handle 2, and handle head 3, backplate 4 and torsional spring 6 are the backplate assembly of lock promptly.

When the handle 2 is pressed down due to external force or self gravity, the handle 2 drives the transmission strip 1 to rotate, and then drives the handle head 3 sleeved outside the transmission strip 1 to rotate, the guard plate 4 is connected with the door plate, and the position of the guard plate is kept unchanged, so that the torsion spring 6 connected between the handle head 3 and the guard plate 4 is twisted and stores elastic potential energy, and the handle 2 resets under the elastic restoring force effect of the torsion spring 6 after the external force is removed.

In the embodiment, handle 2 and handle head 3 independently overlap locate on the transmission strip 1, are equipped with torsional spring 6 between handle head 3 and the backplate 4, compare in current lock body spring and backplate spring, and the elasticity restoring force that torsional spring 6 produced when handle 2 is flagging is bigger, has guaranteed good handle resilience effect, has avoided the slightly flagging problem of handle 2 after long-time use.

The torsion spring 6 is mounted between the handle head 3 and the guard plate 4, and specifically, both ends of the torsion spring 6 may be welded to the outer peripheral surface of the handle head 3 and the inner peripheral surface of the guard plate 4, or may be mounted to the outer peripheral portion of the handle head 3 and the inner peripheral portion of the guard plate 4 by other connecting members.

Preferentially, can set up the backplate 4 endotheca and be equipped with interior welt 5, interior welt 5 be equipped with be used for with the 6 joint complex spacing draw-in grooves of torsional spring, through spacing draw-in groove and 6 joint cooperation of torsional spring, restriction torsional spring 6's circumferential displacement, with torsional spring 6 stable installations in backplate 4.

The shape and dimensions of the interior lining 5 are adapted to the shape and dimensions of the protective plate 4, for example, when the protective plate 4 is a circular plate, the interior lining 5 is also provided as a circular interior lining 5, and the exterior diameter of the interior lining 5 is the same as the interior diameter of the protective plate 4.

On the basis of the above embodiment, in order to make the handle head 3 stably connected with the torsion spring 6, the handle head 3 is externally sleeved with the positioning piece 7, the positioning piece 7 is provided with a limiting clamping groove used for being in clamping fit with the torsion spring 6, the limiting clamping groove can limit the circumferential displacement of the torsion spring 6, and the shake of the torsion spring 6 in the handle head 3 is reduced.

The positioning plate 7 is sleeved on the handle head 3, and in order to prevent the positioning plate 7 from rotating relative to the handle head 3, preferably, one of the outer periphery of the handle head 3 and the inner periphery of the positioning plate 7 is provided with a limiting groove, and the other is provided with a limiting bulge in clamping fit with the limiting groove.

Further, in order to limit the axial displacement of the torsion spring 6, a retainer ring mounting groove for mounting a retainer ring 9 may be provided at an outer circumferential portion of the handle head 3, and the retainer ring 9 may limit the axial displacement of the positioning piece 7 and thus the torsion spring 6 connected to the positioning piece 7.

The retainer ring 9 may be directly abutted against the end face of the positioning piece 7, or may be abutted against the end face of the positioning piece 7 via a spacer 8 or the like.

On the basis of above-mentioned embodiment, can set up handle 2 and be connected with driving strip 1 through holding screw 10, joint strength is high and connect simple and convenient, convenient to detach.

Referring to fig. 1, both the fixed end of the handle 2 and the end of the driving bar 1 are provided with a set screw mounting hole, and a set screw 10 passes through the set screw mounting hole of the handle 2 and then is in threaded connection with the set screw mounting hole of the driving bar 1, so as to fix the handle 2 at both ends of the driving bar 1.

On the basis of the above embodiment, please refer to fig. 1, one of the two protection plates 4 at two sides of the driving strip 1 may be provided with at least one connecting bolt 11, and the other one is provided with a connecting nut 12 matched with the connecting bolt 11, so as to stably connect the protection plates 4 at two sides with the door panel.

The specific number, type and size of the connecting bolts 11 and the connecting nuts 12 are determined according to the requirements in actual production by referring to the prior art, and are not described again; when the number of the connecting bolts 11 is more than 1, the connecting bolts 11 may be arranged to be evenly distributed in the circumferential direction of the protector plate 4.

Of course, the connecting bolt 11 and the connecting nut 12 may be replaced with a connecting member having a similar function, such as a fixing pin.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a lock of removable handle has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. The utility model provides a lock of removable handle, its characterized in that, includes transmission bar (1), handle (2), handle head (3) and backplate (4), the both ends of transmission bar (1) are by interior detachably cover in proper order outside to be equipped with handle head (3) with handle (2), handle head (3) overcoat is equipped with and is used for being connected with the door plant backplate (4), handle head (3) with be equipped with torsional spring (6) between backplate (4), the one end of torsional spring (6) with handle head (3) are connected, the other end of torsional spring (6) with backplate (4) are connected, torsional spring (6) are used for driving flagging handle (2) reset.

2. A door lock with a replaceable handle according to claim 1, wherein an inner lining plate (5) is sleeved in the protective plate (4), and the inner lining plate (5) is provided with a limiting slot for being in clamping fit with the torsion spring (6).

3. A door lock with a replaceable handle according to claim 1, wherein a positioning piece (7) is sleeved outside the handle head (3), and the positioning piece (7) is provided with a limiting clamping groove for clamping and matching with the torsion spring (6).

4. A handle-exchangeable door lock according to claim 3, wherein one of the outer peripheral portion of the handle head (3) and the inner peripheral portion of the positioning piece (7) is provided with a limiting groove, and the other is provided with a limiting projection which is snap-fitted into the limiting groove.

5. A handle changeable door lock according to claim 3, wherein a retainer ring mounting groove for mounting a retainer ring (9) is provided at an outer peripheral portion of the handle head (3), and the retainer ring (9) is used to restrict an axial displacement of the positioning piece (7).

6. A lock with changeable handle according to any of claims 1-5, characterized in that the handle (2) is connected to the driving bar (1) by means of a set screw (10).

7. A lock with a changeable handle according to any of claims 1-5 characterized in that one of the two shields (4) on both sides of the driving bar (1) is provided with at least one connecting bolt (11) and the other is provided with a connecting nut (12) cooperating with the connecting bolt (11).

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