CN212642347U - Anti-safety knob mechanism that locks of door lock - Google Patents
Anti-safety knob mechanism that locks of door lock Download PDFInfo
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- CN212642347U CN212642347U CN202021777558.8U CN202021777558U CN212642347U CN 212642347 U CN212642347 U CN 212642347U CN 202021777558 U CN202021777558 U CN 202021777558U CN 212642347 U CN212642347 U CN 212642347U
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Abstract
The utility model relates to a door lock back locking safety knob mechanism, which comprises a knob, a spacing gasket, a lock panel and a tubular fixing piece, wherein the lock panel is provided with a perforation, the fixing piece is arranged at one end of the lock panel, and the fixing piece is connected with the lock panel; the knob is arranged at the other end of the lock panel, and the rotating shaft part of the knob penetrates through the through hole and the fixing piece and is connected with the fixing piece; the base body of the knob extends into the through hole and is tightly attached to the fixing piece; a limiting groove is arranged on the end surface of the base body of the knob, which is close to the fixing piece, and the limiting groove surrounds the rotating shaft part of the knob; the limiting gasket is sleeved on the rotating shaft part of the knob and is positioned in the limiting groove; the limiting gasket is provided with a positioning hole; a blind hole is formed in the inner wall of the fixing piece, a spring and a steel ball are arranged in the blind hole, and the steel ball is arranged at one end, close to the through hole, of the spring; the spring pushes the steel ball to cling to the limiting gasket, and one end of the steel ball is sunk into the positioning hole. Compared with the prior art, the utility model realizes the accurate positioning of the knob rotation and has hand feeling feedback; the false position is reduced, and the shaking is not easy to generate.
Description
Technical Field
The utility model relates to a tool to lock technical field, particularly, in particular to lock anti-locking insurance knob mechanism.
Background
In the prior art, almost all anti-locking safety knobs on the lockset do not have the self-positioning function. The lock body is used for angle positioning during installation. Because the convenience of installation is considered, the back locking steel strip connected with the back locking safety knob can leave a larger gap, and the back locking safety knob has a larger virtual position after the door lock is installed, so that the back locking safety knob can shake at a larger angle during use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, an object of the present invention is to provide a door lock anti-lock safety knob mechanism with hand feeling feedback for accurate positioning of knob rotation.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the safety knob mechanism comprises a knob, a limiting gasket, a lock panel and a tubular fixing piece, wherein a through hole is formed in the lock panel, the fixing piece is arranged at one end of the lock panel, and the edge of the fixing piece is fixedly connected with the lock panel; the knob is arranged at the other end of the lock panel, and a rotating shaft part of the knob penetrates through the through hole and the fixing piece and is rotatably connected with the fixing piece; the base body of the knob extends into the through hole and is tightly attached to the fixing piece;
a limiting groove is formed in the end face, close to the fixing piece, of the base body of the knob, is annular and surrounds the rotating shaft part of the knob; the limiting gasket is sleeved on the rotating shaft part of the knob and is positioned in the limiting groove; the limiting gasket is provided with a positioning hole;
the inner wall of the fixing piece is provided with a blind hole with an opening facing the through hole, a compressed spring and a steel ball are arranged in the blind hole, and the steel ball is arranged at one end, close to the through hole, of the spring; the spring pushes the steel ball to be tightly attached to the limiting gasket, and one end of the steel ball is sunk into the positioning hole.
The utility model has the advantages that: the spring rebounds to drive the steel ball to sink into the positioning hole to form pause point positioning, so that the knob is accurately positioned; meanwhile, obvious hand feeling feedback is given to a user; the friction force generated by the rotation of the limiting gasket is reduced; the virtual position of the knob is reduced, and the knob is not easy to shake when rotating.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the blind holes are arranged in a plurality and are sequentially arranged at equal intervals along the inner wall of the fixing piece; a compressed spring and a steel ball are arranged in each blind hole; each steel ball is arranged at one end, close to the through hole, of the corresponding spring; the limiting gasket is provided with a plurality of positioning holes which are sequentially arranged at equal intervals along the limiting gasket; one end of each steel ball is sunk into the corresponding positioning hole.
The beneficial effect of adopting the further scheme is that: the springs rebound to respectively drive the corresponding steel balls to sink into the positioning holes after transposition, so that a pause point positioning is formed, and the accurate positioning of the knob is realized; meanwhile, obvious hand feeling feedback is given to a user through the plurality of steel balls, the limiting gaskets and the knobs; reduce the frictional force that spacing gasket rotated the production.
Furthermore, a plurality of concave parts are arranged at the edge of the limiting gasket, and the concave parts are sequentially arranged at equal intervals along the edge of the limiting gasket; a plurality of bulges are arranged at the excircle of the limiting groove and are arranged at equal intervals along the excircle of the limiting groove in sequence; the plurality of the bulges are fixedly connected with the base body of the knob; the plurality of protruding parts are respectively limited in the plurality of concave parts in a one-to-one correspondence mode.
The beneficial effect of adopting the further scheme is that: through a plurality of depressed parts and a plurality of bulge one-to-one spacing for spacing gasket is in the spacing inslot, and rotates with the knob synchronization, makes the knob when rotating, can realize accurate location through spacing gasket.
Furthermore, one end of the fixing piece, which is far away from the lock panel, is provided with a limiting hole, and the limiting hole is structurally matched with the rotating shaft part of the knob; and the rotating shaft part of the knob sequentially penetrates through the through hole and the limiting hole to extend out of the fixing part.
The beneficial effect of adopting the further scheme is that: the rotating shaft part of the knob is limited by the limiting hole, so that the knob is more stable when rotating.
Furthermore, an annular groove is formed in the rotating shaft part of the knob along the circumferential direction of the rotating shaft part, and the annular groove is located at one end, far away from the lock panel, of the fixing piece; a clamp spring is arranged in the annular groove and fixedly connected with the rotating shaft part of the knob.
The beneficial effect of adopting the further scheme is that: the snap spring can limit the rotating shaft part of the knob to move along the axial direction of the knob, and the axial clearance between the knob and the lock panel is limited by matching the spring, the steel ball and the limiting gasket.
Drawings
Fig. 1 is a schematic view of the structure of the back locking safety knob mechanism of the door lock of the present invention;
FIG. 2 is a front view of the knob and the spacing washer of the present invention;
FIG. 3 is a schematic view of the knob and the spacing washer of the present invention;
fig. 4 is a schematic structural view of the lock anti-locking safety knob mechanism of the present invention;
fig. 5 is an enlarged schematic view of a portion a of fig. 4.
In the drawings, the components represented by the respective reference numerals are listed below:
1. 1.1 parts of a knob, 1.1 parts of a limiting groove, 1.2 parts of a bulge, 1.3 parts of an annular groove;
2. a limiting gasket 2.1, a positioning hole 2.2 and a concave part;
3. a lock panel 3.1, a perforation;
4. a fixing piece, 4.1, a blind hole, 4.2 and a limiting hole;
5. a spring;
6. steel balls;
7. and a clamp spring.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 5, the safety knob mechanism for back locking of a door lock comprises a knob 1, a limiting gasket 2, a lock panel 3 and a tubular fixing member 4, wherein a through hole 3.1 is formed in the lock panel 3, the fixing member 4 is arranged at one end of the lock panel 3, and the edge of the fixing member 4 is fixedly connected with the lock panel 3; the knob 1 is arranged at the other end of the lock panel 3, and a rotating shaft part of the knob 1 penetrates through the through hole 3.1 and the fixing piece 4 and is rotatably connected with the fixing piece 4; the base body of the knob 1 extends into the through hole 3.1 and is tightly attached to the fixing piece 4;
a limiting groove 1.1 is formed in the end face, close to the fixing piece 4, of the base body of the knob 1, the limiting groove 1.1 is annular and surrounds the rotating shaft part of the knob 1; the limiting gasket 2 is sleeved on the rotating shaft part of the knob 1 and is positioned in the limiting groove 1.1; the limiting gasket 2 is provided with a positioning hole 2.1; the limiting gasket 2 is made of stainless steel;
a blind hole 4.1 with an opening facing the through hole 3.1 is formed in the inner wall of the fixing piece 4, a compressed spring 5 and a steel ball 6 are arranged in the blind hole 4.1, and the steel ball 6 is arranged at one end, close to the through hole 3.1, of the spring 5; the spring 5 pushes the steel ball 6 to be tightly attached to the limiting gasket 2, and one end of the steel ball 6 is sunk into the positioning hole 2.1.
When the knob 1 is rotated, the knob 1 drives the limiting gasket 2 to rotate; the limiting gasket 2 extrudes the steel balls 6 in the rotating process, and the spring 5 is further compressed to generate larger deformation, so that the spring 5 has larger prepressing force; when the positioning hole 2.1 of the limiting gasket 2 rotates to the position of the steel ball 6, the spring 5 rebounds to drive the steel ball 6 to sink into the positioning hole 2.1 under the action of the pre-pressing force of the spring 5, so that a pause point positioning is formed, and the knob 1 is accurately positioned; meanwhile, the pre-pressure of the spring 5 is suddenly reduced, and obvious hand feeling feedback is provided for a user through the steel ball 6, the limiting gasket 2 and the knob 1; the spring 5 is contacted with the limiting gasket 2 through the steel ball 6, so that the friction force generated by the rotation of the limiting gasket 2 is reduced; the spring 5 extrudes the limiting gasket 2 and the knob 1 through the steel ball 6, so that the virtual position of the knob 1 is reduced, and the knob 1 is not easy to shake when rotating.
The limiting gasket 2 is made of stainless steel, so that the rigidity is high and the strength is good; but also wear-resisting and scratch-resisting, and the service life is prolonged.
In the above embodiment, the number of the blind holes 4.1 is multiple, and the multiple blind holes 4.1 are sequentially arranged at equal intervals along the inner wall of the fixing member 4; a compressed spring 5 and a steel ball 6 are arranged in each blind hole 4.1; each steel ball 6 is arranged at one end of the corresponding spring 5 close to the through hole 3.1; a plurality of positioning holes 2.1 are formed in the limiting gasket 2, and the positioning holes 2.1 are sequentially arranged at equal intervals along the limiting gasket 2; one end of each steel ball 6 is sunk into the corresponding positioning hole 2.1.
When the knob 1 is rotated, the knob 1 drives the limiting gasket 2 to rotate; the limiting gasket 2 extrudes the steel balls 6 in the rotating process, and the springs 5 are further compressed to generate larger deformation, so that the springs 5 have larger pre-pressure; the positioning holes 2.1 of the limiting gasket 2 are rotated and transposed, the steel balls 6 are rebounded by the springs 5 under the action of the prepressing force of the corresponding springs 5, and the corresponding steel balls 6 are respectively driven to be sunk into the transposed positioning holes 2.1 by the rebounding of the springs 5 to form pause point positioning, so that the knob 1 is accurately positioned; meanwhile, the pre-pressure of the springs 5 is suddenly reduced, and obvious hand feeling feedback is given to a user through the steel balls 6, the limiting gaskets 2 and the knob 1; a plurality of springs 5 contact with spacing gasket 2 through its corresponding steel ball 6, reduce the frictional force that spacing gasket 2 rotated the production.
In the above embodiment, the edge of the limiting gasket 2 is provided with a plurality of concave parts 2.2, and the plurality of concave parts 2.2 are sequentially arranged at equal intervals along the edge of the limiting gasket 2; a plurality of bulges 1.2 are arranged at the excircle of the limiting groove 1.1, and the bulges 1.2 are sequentially arranged at equal intervals along the excircle of the limiting groove 1.1; the plurality of bulges 1.2 are fixedly connected with the base body of the knob 1; the plurality of convex parts 1.2 are respectively limited in the plurality of concave parts 2.2 in a one-to-one correspondence manner.
Through a plurality of depressed parts 2.2 and a plurality of bulge 1.2 one-to-one spacing for spacing gasket 2 is in spacing groove 1.1, and rotates with knob 1 synchronization, makes knob 1 when rotating, can realize accurate location through spacing gasket 2.
In the above embodiment, one end of the fixing member 4, which is far away from the lock panel 3, is provided with a limiting hole 4.2, and the limiting hole 4.2 is structurally matched with the rotating shaft portion of the knob 1; the rotating shaft part of the knob 1 sequentially penetrates through the through hole 3.1 and the limiting hole 4.2 to extend out of the fixing part 4.
The limiting hole 4.2 limits the rotating shaft part of the knob 1, so that the knob 1 is more stable in rotation.
In the above embodiment, the rotating shaft portion of the knob 1 is provided with the annular groove 1.3 along the circumferential direction thereof, and the annular groove 1.3 is located at one end of the fixing member 4 away from the lock panel 3; a clamp spring 7 is arranged in the annular groove 1.3, and the clamp spring 7 is fixedly connected with the rotating shaft part of the knob 1.
The snap spring 7 can limit the rotating shaft part of the knob 1 to move along the axial direction of the rotating shaft part, and the axial clearance between the knob 1 and the lock panel 3 is limited by matching the spring 5, the steel ball 6 and the limiting gasket 2.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The anti-insurance knob mechanism that locks of lock, its characterized in that: the lock comprises a knob (1), a limiting gasket (2), a lock panel (3) and a tubular fixing piece (4), wherein a through hole (3.1) is formed in the lock panel (3), the fixing piece (4) is arranged at one end of the lock panel (3), and the edge of the fixing piece (4) is fixedly connected with the lock panel (3); the knob (1) is arranged at the other end of the lock panel (3), and a rotating shaft part of the knob (1) penetrates through the through hole (3.1) and the fixing piece (4) and is rotatably connected with the fixing piece (4); the base body of the knob (1) extends into the through hole (3.1) and is tightly attached to the fixing piece (4);
a limiting groove (1.1) is formed in the end face, close to the fixing piece (4), of the base body of the knob (1), the limiting groove (1.1) is annular and surrounds the rotating shaft part of the knob (1); the limiting gasket (2) is sleeved on the rotating shaft part of the knob (1) and is positioned in the limiting groove (1.1); the limiting gasket (2) is provided with a positioning hole (2.1);
a blind hole (4.1) with an opening facing the through hole (3.1) is formed in the inner wall of the fixing piece (4), a compression-shaped spring (5) and a steel ball (6) are arranged in the blind hole (4.1), and the steel ball (6) is arranged at one end, close to the through hole (3.1), of the spring (5); the spring (5) pushes the steel ball (6) to be tightly attached to the limiting gasket (2), and one end of the steel ball (6) is sunk into the positioning hole (2.1).
2. The lock back locking safety knob mechanism of claim 1, wherein: the blind holes (4.1) are arranged in a plurality, and the blind holes (4.1) are sequentially arranged at equal intervals along the inner wall of the fixing piece (4); a compressed spring (5) and a steel ball (6) are arranged in each blind hole (4.1); each steel ball (6) is arranged at one end, close to the through hole (3.1), of the corresponding spring (5); a plurality of positioning holes (2.1) are formed in the limiting gasket (2), and the positioning holes (2.1) are sequentially arranged at equal intervals along the limiting gasket (2); one end of each steel ball (6) is sunk into the corresponding positioning hole (2.1).
3. The lock back locking safety knob mechanism of claim 1, wherein: the edge of the limiting gasket (2) is provided with a plurality of concave parts (2.2), and the concave parts (2.2) are sequentially arranged at equal intervals along the edge of the limiting gasket (2); a plurality of bulges (1.2) are arranged at the excircle of the limiting groove (1.1), and the bulges (1.2) are sequentially arranged at equal intervals along the excircle of the limiting groove (1.1); the plurality of bulges (1.2) are fixedly connected with the base body of the knob (1); the plurality of the convex parts (1.2) are respectively limited in the plurality of the concave parts (2.2) in a one-to-one correspondence mode.
4. The lock back locking safety knob mechanism of claim 1, wherein: a limiting hole (4.2) is formed in one end, far away from the lock panel (3), of the fixing piece (4), and the limiting hole (4.2) is matched with the rotating shaft part structure of the knob (1); and the rotating shaft part of the knob (1) sequentially penetrates through the through hole (3.1) and the limiting hole (4.2) and extends out of the fixing piece (4).
5. The lock back locking safety knob mechanism according to any one of claims 1 to 4, wherein: an annular groove (1.3) is formed in the rotating shaft part of the knob (1) along the circumferential direction of the rotating shaft part, and the annular groove (1.3) is located at one end, far away from the lock panel (3), of the fixing piece (4); a clamp spring (7) is arranged in the annular groove (1.3), and the clamp spring (7) is fixedly connected with the rotating shaft part of the knob (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021777558.8U CN212642347U (en) | 2020-08-24 | 2020-08-24 | Anti-safety knob mechanism that locks of door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021777558.8U CN212642347U (en) | 2020-08-24 | 2020-08-24 | Anti-safety knob mechanism that locks of door lock |
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| Publication Number | Publication Date |
|---|---|
| CN212642347U true CN212642347U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021777558.8U Active CN212642347U (en) | 2020-08-24 | 2020-08-24 | Anti-safety knob mechanism that locks of door lock |
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| Country | Link |
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| CN (1) | CN212642347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086832A (en) * | 2020-08-24 | 2022-02-25 | 深圳市兆驰数码科技股份有限公司 | Anti-locking safety knob mechanism of door lock |
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2020
- 2020-08-24 CN CN202021777558.8U patent/CN212642347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086832A (en) * | 2020-08-24 | 2022-02-25 | 深圳市兆驰数码科技股份有限公司 | Anti-locking safety knob mechanism of door lock |
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