CN212105445U

CN212105445U - Handle and lock

Info

Publication number: CN212105445U
Application number: CN202020168017.9U
Authority: CN
Inventors: 马振元; 于小满
Original assignee: Panasonic Manufacturing Beijing Co Ltd
Current assignee: Panasonic Eco Solutions Information Equipment Shanghai Co Ltd
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-12-08
Anticipated expiration: 2030-02-13

Abstract

The utility model relates to a handle and tool to lock. This handle includes the portion of handling, the button, inner rotor and spring, the cavity has been seted up to the portion of handling, the portion of handling is equipped with first draw-in groove, the wall portion of the limited cavity of the portion of handling is formed with the first spacing portion that sets up along the radial extension of cavity, the button sets up in the cavity at least partially, be provided with joint portion on the button, the inner rotor sets up in the cavity at least partially, the second draw-in groove has been seted up to the inner rotor, button and first spacing portion are connected respectively to the both ends of spring, joint portion can cooperate with first draw-in groove and second draw-in groove joint simultaneously, make the portion of handling, button and inner rotor three can be around a rotation axis. The utility model discloses a structural firmness of handle is better.

Description

Handle and lock

Technical Field

The utility model relates to a tool to lock technical field especially relates to a handle and including tool to lock of this handle.

Background

At present, electronic door locks have been widely used. Because the door is often provided with the cat eye, in order to prevent a thief from opening the door lock through the cat eye and steal, a lockset for preventing the cat eye from opening has been researched in the industry at present.

As shown in fig. 1, a safety handle prevents unlocking from a cat eye and opening of a door by a child in a room. The safety handle includes a handle rotation shaft 10, an inner rotor 20, a button 30, a spring 40, a housing 50, and a square bar 60.

The handle rotation shaft portion 10 having a hollow structure is rotatably mounted to the housing 50. The inner rotor 20 is mounted inside the handle rotation shaft portion 10 and is rotatable with respect to the handle rotation shaft portion 10. One end of the inner rotor 20 is provided with a convex block 201, the cross section of the convex block 201 is rectangular, a square rod 60 is inserted in the inner rotor 20, and the square rod 60 can rotate synchronously with the inner rotor 20. The button 30 is partially installed inside the handle rotation shaft portion 10, and the button 30 can rotate synchronously with the handle rotation shaft portion 10, and one end of the button 30 close to the projection 201 is provided with a groove 301 corresponding to the projection 201 (i.e., the cross section of the groove 301 is rectangular). A spring 40 is disposed between the button 30 and the inner rotor 20.

The groove 301 can be combined with the lug 201 by pressing the button 30, and at the moment, the button 30, the inner rotor 20, the square rod 60 and the handle rotating shaft part 10 can rotate together by rotating the handle rotating shaft part 10, so that the door lock is opened; the button 30 is released and the button 30 is reset by the spring 40, the recess 301 being disengaged from the projection 201. That is, the inner rotor 20 can be unlocked only by rotating the handle rotation shaft 10 when the knob 30 is pressed, and otherwise, the inner rotor 20 cannot be unlocked only by rotating the handle rotation shaft 10 and the knob 30. Wherein, one end of the button 30 located in the inner rotor 20 is provided with a limit screw for limiting the button 30, thereby preventing the button 30 from disengaging.

In the above structure, the wall portion 302 of the push button 30 forming the groove 301 is low in structural strength due to the size limitation of the handle, so that there is a risk of damage to the push button 30.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned defect among the prior art, the utility model aims to provide a handle that structure is more firm and possess the tool to lock of this handle.

Therefore, the utility model provides the following technical scheme.

The utility model provides a handle, which comprises a handle part, a button, an inner rotor and a spring,

the handle part is provided with a cavity, the wall part of the handle part for limiting the cavity is provided with a first clamping groove along the axial direction of the cavity, the wall part is provided with a first limiting part extending along the radial direction of the cavity,

the button is at least partially arranged in the cavity, a clamping part is arranged on the button,

the inner rotor is at least partially arranged in the cavity, one end of the inner rotor close to the button is provided with a second clamping groove along the axial direction,

two ends of the spring are respectively connected with the button and the first limiting part,

the clamping portion can be simultaneously in clamping fit with the first clamping groove and the second clamping groove, so that the handle portion, the button and the inner rotor can synchronously rotate around a rotation axis.

In at least one embodiment, the chamber comprises a first chamber and a second chamber formed by the first limiting part at intervals,

the button is at least partially disposed in the first chamber,

the inner rotor is at least partially disposed in the second chamber.

In at least one embodiment, the button includes a pressing end portion and a central shaft portion, the pressing end portion being partially disposed in the first chamber,

the central shaft portion extends from one end of the pressing end portion, which is located in the first cavity, to the second cavity through the first limiting portion in the axial direction.

In at least one embodiment, the pressing end portion has a spring installation groove opened in the axial direction, and the spring is partially disposed in the spring installation groove.

In at least one embodiment, the retaining portion extends from an outer wall surface of the central shaft portion in the radial direction.

In at least one embodiment, an end of the central shaft portion located in the second chamber is provided with a second stopper portion for preventing the button from being disengaged from the first chamber under the action of the spring.

In at least one embodiment, the second position-limiting portion includes a position-limiting screw and a position-limiting plate, the position-limiting plate is fixedly mounted on one end of the central shaft portion located in the second cavity by the position-limiting screw,

the inner rotor is provided with a stepped hole along the axial direction,

the central shaft part is inserted into the stepped hole, the limiting piece is abutted to the stepped surface of the stepped hole, and the button is prevented from being separated from the first cavity under the action of the spring.

In at least one embodiment, the clamping portion is disposed on a portion of the button located in the cavity, and the clamping portion is disposed along a radial extension of the button.

In at least one embodiment, when the button is pressed in the axial direction, the button can overcome the elastic force of the spring to enable the clamping portion to be simultaneously clamped and matched with the first clamping groove and the second clamping groove, and when the button is released, the clamping portion can be separated from at least one of the first clamping groove and the second clamping groove under the elastic force of the spring, so that the handle portion and the inner rotor cannot rotate synchronously.

The utility model also provides a lock, lock includes above-mentioned arbitrary embodiment the handle.

Through adopting foretell technical scheme, the utility model provides a handle, it sets up joint portion on the button, forms first draw-in groove in the cavity of handle portion, sets up the second draw-in groove on the inner rotor, block when through joint portion and first draw-in groove and second draw-in groove for handle portion, button and inner rotor three can synchronous revolution, need not to set up the recess on the button, and then avoid the structural strength of the partial wall portion of button to hang down, improve the structural firmness of handle.

It will be appreciated that a lock having such a handle has the same benefits.

Drawings

Fig. 1 shows a schematic cross-sectional view of a handle.

Fig. 2 shows a schematic cross-sectional view of a handle according to the invention.

Fig. 3 shows an exploded view of a partial structure of a handle according to the present invention.

Fig. 4 shows a cross-sectional view of fig. 3.

Description of the reference numerals

10 handle rotation shaft part; 20 inner rotors; 201 a bump; 30 buttons; 301, a groove; a 302 wall portion; 40 springs; 50 a housing; 60 square rods;

1 a handle part; 11 a chamber; 111 a first chamber; 112 a second chamber; 12 a first card slot; 13 a first limiting part;

2, a button; 21 pressing the end; 211 a spring mounting groove; 22 a central shaft portion; 23 a clamping part; 24 a second limiting part; 241, a limit screw; 242 a limiting piece;

3, inner rotor; 31 a second card slot; 32 stepped holes; 321 a first aperture; 322 a second aperture;

4, a spring; 5 square rods.

Detailed Description

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the detailed description is only intended to teach one skilled in the art how to practice the invention, and is not intended to exhaust all possible ways of practicing the invention, nor is it intended to limit the scope of protection of the invention.

A detailed description of the embodiment of the handle according to the present invention is provided below with reference to fig. 2 to 4.

In the present embodiment, as shown in fig. 2 and 3, the handle includes a handle portion 1, a button 2, an inner rotor 3, a spring 4, and a square bar 5.

In the present embodiment, as shown in fig. 3 and 4, the hand-held portion 1 includes a hand-held portion and a rotation portion. The rotating part is provided with a chamber 11. The wall portion of the rotating portion defining the chamber 11 is provided with a first engaging groove 12 along the axial direction of the chamber 11, and the wall portion is provided with a first limiting portion 13 extending along the radial direction of the chamber 11.

The chamber 11 includes a first chamber 111 and a second chamber 112. The first cavity 111 and the second cavity 112 are separated by the first stopper 13, and the first engaging groove 12 extends from the first stopper 13 toward the second cavity 112 in the axial direction of the cavity 11. Wherein the first chamber 111 has a circular cross-section and the second chamber 112 has a circular cross-section (except for a portion corresponding to the first card slot 12).

In the present embodiment, as shown in fig. 2, 3, and 4, the push button 2 includes a pressing end portion 21, a central shaft portion 22, a click portion 23, and a second stopper portion 24. The pressing end 21, the central shaft 22 and the engaging portion 23 may be integrally formed.

The pressing end portion 21, which is generally cylindrical in shape as a whole, is partially provided in the first chamber 111, the pressing end portion 21 is opened in its axial direction with a spring installation groove 211, and the spring installation groove 211 is opened in an outer wall portion of the pressing end portion 21 in the axial direction of the pressing end portion 21 from an end of the pressing end portion 21 located in the first chamber 111. Wherein, the spring installation grooves 211 may be, for example, two, and the two spring installation grooves 211 may be symmetrically disposed about a longitudinal central section of the pressing end portion 21 (for example, vertically symmetrical as in fig. 3).

The diameter of the pressing end 21 may be substantially equal to the diameter of the first chamber 111, and the pressing end 21 may be movable in the first chamber 111 in the axial direction of the first chamber 111.

A central shaft portion 22, which is substantially cylindrical in its entirety, extends from one end of the pressing end portion 21, which is located in the first chamber 111, in the axial direction of the pressing end portion 21 away from the pressing end portion 21. The central shaft portion 22 extends from the first cavity 111 through the first stopper portion 13 into the second cavity 112.

The clip portion 23 extends from the outer wall surface of the central shaft portion 22 in the radial direction of the central shaft portion 22. Here, the snap portions 23 may be, for example, two, and the two snap portions 23 may be symmetrical with respect to one longitudinal center section of the center shaft portion 22 (for example, front-back symmetrical as shown in fig. 3). It should be understood that the snap-in portion 23 may be located entirely within the cavity 111 or may be located only partially within the cavity 111.

The second stopper portion 24 includes a stopper screw 241 and a stopper piece 242, and the stopper piece 242 is fixed to one end of the central shaft portion 22 in the second cavity 112 by the stopper screw 241. The stopper piece 242 is adapted to engage with a stepped surface of a stepped hole 32 (see fig. 2) in the inner rotor 3 described below, and prevent the push button 2 from being disengaged from the cavity 11.

In the present embodiment, as shown in fig. 2, 3 and 4, the inner rotor 3 is partially disposed in the second chamber 112. The inner rotor 3 includes a second catching groove 31 and a stepped hole 32.

The second locking groove 31 is opened at one end of the inner rotor 3 close to the button 2. The second locking groove 31 is opened in the axial direction of the inner rotor 3. The number of the second card slots 31 may be, for example, two (the same as the number of the card portions 23).

The stepped hole 32 is opened so as to penetrate the inner rotor 3 in the axial direction of the inner rotor 3. Stepped bore 32 includes a first bore 321 and a second bore 322. The diameter of the first hole 321 is smaller than that of the second hole 322, and the first hole 321 is closer to the first stopper 13 than the second hole 322.

As shown in fig. 2, when the push button 2 is not depressed, the central shaft portion 22 is inserted into the first hole 321, and the stopper piece 242 abuts against the stepped surface of the stepped hole 32 to prevent the push button 2 from being removed from the cavity 11.

In the present embodiment, as shown in fig. 2, the spring 4 is provided between the push button 2 and the first stopper 13 in the axial direction of the chamber 11, and both ends of the spring 4 are connected (e.g., abutted) to the push button 2 and the first stopper 13, respectively. The spring 4 is partially disposed in the spring mounting groove 211. Wherein the springs 4 may be, for example, two (corresponding to the number of the spring mounting grooves 211).

In the present embodiment, as shown in fig. 2, the square bar 5 is partially inserted into the inner rotor 3 and can rotate in synchronization with the inner rotor 3. Another spring may be provided in the second hole 322 of the inner rotor 3 between the push button 2 and the square bar 5.

The following describes a method of using the handle according to the present invention.

In this embodiment, when needing to unblank, can press button 2, button 2 overcomes the elastic force of spring 4 and moves along the axial of cavity 11, and joint portion 23 will block with first draw-in groove 12 and second draw-in groove 31 simultaneously, and at this moment, rotates handle portion 1, button 2, inner rotor 3 and square bar 5 can rotate around a rotation axis in step, and then open the tool to lock.

After the button 2 is loosened, the button 2 is reset under the elastic acting force of the spring 4, the clamping part 23 is separated from the second clamping groove 31, at the moment, the handle part 1 is rotated, and the inner rotor 3 and the square rod 5 cannot rotate. It is understood that, at this time, the locking portion 23 may be locked with the first card slot 12 or separated from the first card slot 12.

Through adopting above-mentioned technical scheme, according to the utility model discloses a handle has following advantage at least:

the utility model discloses an in the handle, it sets up joint portion on the button, forms first draw-in groove in the cavity of handle portion, sets up the second draw-in groove on the rotor including, block when through joint portion and first draw-in groove and second draw-in groove for handle portion, button and inner rotor three can synchronous revolution, need not to set up the recess on the button, and then avoid the structural strength of the partial wall portion of button to hang down, improve the structural firmness of handle.

The above embodiments of the present invention have been described in detail, but it should be added that:

(1) although the spring mounting groove is provided to mount the spring in the above embodiment, the present invention is not limited thereto, and the spring mounting groove may not be provided, so that the structural strength of the button may be further increased, and the firmness of the handle may be further increased.

(2) Although the number of the snap portions is two in the above embodiment, the present invention is not limited thereto, and the snap portions may be one, three or more. It is understood that the number of the first card slot and the second card slot should be the same as the number of the card sections.

(3) Although it is described in the above embodiment that the number of the spring mounting grooves is two, the present invention is not limited thereto, and the number of the spring mounting grooves may be, for example, one or three.

(4) Although in the above embodiment, it is described that the clamping portion of the button is separated from the second clamping groove 31 when the button is released (i.e., the button is not pressed), the present invention is not limited thereto, and when the button is not pressed, the clamping portion of the button may be separated from the first clamping groove 12 and clamped with the second clamping groove 31 (or separated from the second clamping groove 31), and at this time, the handle portion rotates, and the inner rotor does not rotate. Specifically, the first position-limiting portion 13 may be configured as two position-limiting columns (instead of the plate shape shown in fig. 4), the hole diameters of the holes on both sides of the first position-limiting portion 13 in the axial direction may be equal, the first engaging groove 12 is axially spaced apart from the first position-limiting portion 13, and the second engaging groove 31 is closer to the first position-limiting portion 13 than the first engaging groove 12. Thus, when the button 2 is pressed, the clamping portion thereof is firstly clamped with the second clamping groove 31 and then clamped with the first clamping groove 12, and when the button 2 is released, the clamping portion is firstly separated from the first clamping groove 12 and then separated from the second clamping groove 31 (certainly, the clamping portion may not be separated).

(5) Although the above embodiment describes that the stopper piece abuts against the stepped surface of the stepped hole and prevents the button from being disengaged, the present invention is not limited thereto, and the stopper piece may abut against the first stopper portion and prevent the button from being disengaged. In addition, only the stopper screw 241 may be used and the stopper piece 242 may be omitted.

Furthermore, the utility model also provides a tool to lock, this tool to lock include above-mentioned embodiment the handle.

Claims

1. A handle, characterized in that the handle comprises a handle part (1), a button (2), an inner rotor (3) and a spring (4),

the handle part (1) is provided with a cavity (11), the wall part of the handle part (1) for limiting the cavity (11) is provided with a first clamping groove (12) along the axial direction of the cavity (11), the wall part is provided with a first limiting part (13) which extends along the radial direction of the cavity (11),

the button (2) is at least partially arranged in the cavity (11), a clamping part (23) is arranged on the button (2),

the inner rotor (3) is at least partially arranged in the cavity (11), one end of the inner rotor (3) close to the button (2) is provided with a second clamping groove (31) along the axial direction,

two ends of the spring (4) are respectively connected with the button (2) and the first limiting part (13),

the clamping part (23) can be simultaneously in clamping fit with the first clamping groove (12) and the second clamping groove (31), so that the handle part (1), the button (2) and the inner rotor (3) can synchronously rotate around a rotation axis.

2. The handle according to claim 1, wherein the chamber (11) comprises a first chamber (111) and a second chamber (112) formed by the first limiting portion (13) at an interval,

the button (2) being at least partially disposed in the first chamber (111),

the inner rotor (3) is at least partially disposed in the second chamber (112).

3. The handle according to claim 2, wherein the button (2) comprises a pressing end (21) and a central shaft portion (22), the pressing end (21) being partially disposed in the first chamber (111),

the center shaft portion (22) extends from one end of the pressing end portion (21) located in the first chamber (111) to the second chamber (112) through the first stopper portion (13) in the axial direction.

4. The handle according to claim 3, wherein the pressing end portion (21) is opened with a spring installation groove (211) in the axial direction, and the spring (4) is partially disposed in the spring installation groove (211).

5. The handle according to claim 3, wherein the snap-in portion (23) is provided extending in the radial direction from an outer wall surface of the central shaft portion (22).

6. The handle according to claim 3, wherein the end of the central shaft portion (22) located in the second chamber (112) is provided with a second stopper portion (24), the second stopper portion (24) being adapted to prevent the button (2) from being disengaged from the first chamber (111) under the action of the spring (4).

7. The handle according to claim 6, wherein the second stopper portion (24) comprises a stopper screw (241) and a stopper piece (242), the stopper piece (242) being fixedly mounted to an end of the central shaft portion (22) in the second chamber (112) by the stopper screw (241),

the inner rotor (3) is provided with a stepped hole (32) along the axial direction,

the central shaft part (22) is inserted into the stepped hole (32), the limiting piece (242) is abutted to the stepped surface of the stepped hole (32) to prevent the button (2) from being separated from the first cavity (111) under the action of the spring (4).

8. The handle according to claim 1, wherein the snap-in portion (23) is provided at a portion of the button (2) located in the cavity (11), the snap-in portion (23) being provided along a radial extension of the button (2).

9. The handle according to claim 1, wherein when the button (2) is pressed in the axial direction, the button (2) can overcome the elastic force of the spring (4) to enable the clamping portion (23) to be simultaneously clamped and matched with the first clamping groove (12) and the second clamping groove (31), and the button (2) is released, and the clamping portion (23) can be separated from at least one of the first clamping groove (12) and the second clamping groove (31) under the elastic force of the spring (4) to enable the handle portion (1) and the inner rotor (3) not to rotate synchronously.

10. A lock, characterized in that it comprises a handle according to any one of claims 1 to 9.