CN109372353B - Glove box lock mechanism of instrument desk - Google Patents
Glove box lock mechanism of instrument desk Download PDFInfo
- Publication number
- CN109372353B CN109372353B CN201811509213.1A CN201811509213A CN109372353B CN 109372353 B CN109372353 B CN 109372353B CN 201811509213 A CN201811509213 A CN 201811509213A CN 109372353 B CN109372353 B CN 109372353B
- Authority
- CN
- China
- Prior art keywords
- gear
- lock tongue
- guide rod
- glove box
- lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 13
- 239000007924 injection Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000012899 standard injection Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
- E05C9/041—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with rack and pinion mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R7/00—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps
- B60R7/04—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps in driver or passenger space, e.g. using racks
- B60R7/06—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps in driver or passenger space, e.g. using racks mounted on or below dashboards
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0045—Silencing devices; Noise reduction
Abstract
The invention provides an instrument desk glove box lock mechanism, comprising: the lock tongue guide rod and the lock tongue connecting rod are arranged in parallel; one end of the linkage mechanism is connected with the lock tongue guide rod, and the other end of the linkage mechanism is connected with the lock tongue connecting rod; the unlocking piece is connected with the lock tongue guide rod at one end and arranged outside the glove box at the other end, and can drive the lock tongue guide rod to move towards the direction of the lock tongue connecting rod body; the reset mechanism is connected with the spring bolt guide rod and the spring bolt connecting rod through two elastic elements; the linkage mechanism adopts gear transmission, the gear comprises a gear body and a gear soft layer, and the gear soft layer covers the surface of the gear body. The invention aims to provide an instrument desk glove box lock mechanism, which reduces the noise of the operation of the lock mechanism in the use process of the instrument desk glove box and improves the comfort of the whole automobile.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to an instrument desk glove box lock mechanism, which reduces the noise of the operation of the lock mechanism in the use process of the instrument desk glove box and improves the comfort of the whole automobile.
Background
A Glove box (glovebox) capable of storing simple objects is arranged on an Instrument panel (Instrument panel) of a general automobile. The glove box is generally disposed in front of the passenger seat. The glove box is composed of the glove box housing fixedly mounted to the instrument panel and a glove box door hinged in the glove box housing and opened and closed by a user's operation, and can store articles in the glove box door.
With the popularity of high-grade vehicles, automobile interior trim quality is also pursued more and more, and the quality comprises the hand feeling of interior trim parts in the use process, the noise level of the vehicles in the running process and the like. The existing glove box lock consists of a lock body, a lock tongue, a spring, a buckle and the like, and the existing patent CN201110052430.4 is researched aiming at noise generated by the glove box lock, and mainly focuses on the following aspects:
firstly, because the cross section of the lock tongue and the sliding groove on the lock body matched with the lock tongue is rectangular, the clearance around the lock tongue is larger, the degree of freedom of the lock tongue in the sliding groove is larger, and the lock tongue is easy to shake, so that noise is generated in the glove box in use;
secondly, due to the fact that no shock pad is arranged, the lock pin and the lock body plastic piece directly collide after the glove box is closed, and the perceived quality of the glove box is poor.
However, I have found that the above-described structure still produces noise, and the noise after improvement is mainly concentrated on using the conventional hand-locking bolt return impact sound and gear engagement noise.
Disclosure of Invention
Technical problem to be solved
In view of the above, the present invention aims to provide an instrument desk glove box lock mechanism, which reduces the noise of the operation of the lock mechanism in the use process of the instrument desk glove box and improves the comfort of the whole automobile.
(II) technical scheme
In order to solve the technical problems, the invention provides:
an instrument desk glove box lock mechanism comprising:
the lock tongue guide rod and the lock tongue connecting rod are arranged in parallel;
one end of the linkage mechanism is connected with the lock tongue guide rod, and the other end of the linkage mechanism is connected with the lock tongue connecting rod;
the unlocking piece is connected with the lock tongue guide rod at one end and arranged outside the glove box at the other end, and can drive the lock tongue guide rod to move towards the direction of the lock tongue connecting rod body;
the reset mechanism is connected with the spring bolt guide rod and the spring bolt connecting rod through two elastic elements;
the linkage mechanism adopts gear transmission, the gear comprises a gear body and a gear soft layer, and the gear soft layer covers the surface of the gear body.
The scheme is further improved in that a mute pad is further arranged at the end part of one end of the lock tongue guide rod, which is not connected with the lock tongue connecting rod.
The technical scheme is further improved in that the linkage mechanism comprises a gear and a connecting part matched with the gear, the connecting part of the linkage mechanism is respectively arranged at opposite ends of the lock tongue guide rod and the lock tongue guide rod, a rack matched with the gear is arranged on the connecting part, and the gear is sleeved on a connecting column protruding from an inner plate of the glove box.
The technical scheme is further improved in that balance wings are arranged on the lock tongue guide rod and the lock tongue connecting rod, and connecting holes connected with the elastic elements are formed in the balance wings.
The scheme is further improved in that the gear body is made of ABS materials, the gear soft layer is made of TPU materials, the gear body is integrally formed through secondary injection molding, and the thickness of the gear body after injection molding is unchanged.
The scheme is further improved in that the thickness of the gear soft layer is H4, and the diameter of the largest position of the gear is D1, so that D1 is more than or equal to 10H4.
The scheme is further improved in that the mute pad is made of EPDM material and is connected with the lock tongue guide rod/lock tongue connecting rod into a whole through secondary injection molding.
The scheme is further improved in that the mute pad is far away from the thickness H1 of the side of the linkage mechanism and is close to the thickness H2 of the side of the linkage mechanism, the thickness H3 in the middle and the diameter D2 of the mute pad are equal to or larger than H2 and equal to or larger than H1 and equal to or larger than H2/2 and equal to or larger than H3, and D2 is equal to or smaller than 2 (H1+H2+ H2) and equal to or smaller than 5 (H1+H2+H2).
(III) beneficial effects
According to the instrument desk glove box lock mechanism, the gear structure is adjusted, so that the gear adopts a double-layer structure, the outer part is a TPU soft layer, the inner part is an ABS hard layer, and noise is effectively reduced and avoided by adjusting the thickness of the TPU layer;
in order to further reduce abnormal sound caused by rebound of the lock tongue guide rod/lock tongue connecting rod, a mute pad is added at the end part of the lock tongue guide rod/lock tongue connecting rod, and the mute pad is secondarily injection-molded on the lock tongue guide rod/lock tongue connecting rod, the thickness of each section of the mute pad is controlled, so that noise is effectively reduced and avoided,
compared with the noise reduction mode, the noise reduction method has the greatest difference that the noise generation source is found to be positioned at the end parts of the gear and the lock tongue guide rod/lock tongue connecting rod based on multiple tests.
Drawings
FIG. 1 is a schematic illustration of an instrument desk glove box lock mechanism;
FIG. 2 is a schematic view of gears in an instrument desk glove box lock mechanism;
fig. 3 is a schematic view of a mute mat in an instrument desk glove box lock mechanism.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
An instrument desk glove box lock mechanism comprising: the lock tongue guide rod 1 and the lock tongue connecting rod 2 are arranged in parallel; one end of the linkage mechanism 3 is connected with the lock tongue guide rod 1, and the other end is connected with the lock tongue connecting rod 2; one end of the unlocking piece (not shown) is connected with the lock tongue guide rod 1, the other end of the unlocking piece is arranged outside the glove box, and the unlocking piece (not shown) can drive the lock tongue guide rod 1 to move towards the rod body direction of the lock tongue connecting rod 2; the reset mechanism 5 is connected with the bolt guide rod 1 and the bolt connecting rod 2 through two elastic elements 51; the linkage mechanism 3 adopts a gear 30 for transmission, the gear 30 comprises a gear body 31 and a gear soft layer 32, and the gear soft layer 32 covers the surface of the gear body 31.
At the same time, the end of the dead bolt guide rod 1, which is not connected with the dead bolt connecting rod 2, is also provided with a mute pad 10. The linkage mechanism 3 comprises a gear 30 and a connecting part 4 matched with the gear 30, the connecting part 4 is respectively arranged at opposite ends of the lock tongue guide rod 1 and the lock tongue connecting rod 2, a rack 41 matched with the gear 30 is arranged on the connecting part 4, and the gear 30 is sleeved on a connecting column 42 protruding from an inner plate of the glove box. Bearings may be added between the connecting post 42 and the gear 30.
And the balance wings 52 are arranged on the lock tongue guide rod 1 and the lock tongue connecting rod 2, the balance wings 52 are provided with connecting holes 53 connected with the elastic elements 51, and the elastic elements 51 can be formed by adopting conventional tension springs.
In the use process, an unlocking piece (not shown in the figure) drives the lock tongue guide rod 1 to move towards the lock tongue connecting rod 2, so that one end of the lock tongue guide rod 1 connected with the linkage mechanism 3 also moves towards the lock tongue connecting rod 2, one end of the lock tongue connecting rod 2 connected with the linkage mechanism 3 is driven by the gear 30 to move towards the lock tongue guide rod 1, namely, the lock tongue connecting rod 2 and the lock tongue guide rod 1 move in opposite directions, and the lock tongue guide rod 1 and one end of the lock catch can be separated from each other, so that the unlocking purpose is achieved. In the unlocking process, due to the fact that the gear 30 is driven, the gear 30 is in the rotation process in the whole unlocking process and is in contact with the rack 41, and in addition, jolt exists in the running process of an automobile, abnormal sound can occur in the process of matching the gear 30 and the rack 41, so that micro noise is generated, the gear 30 is provided with the gear soft layer 32, certain extrusion buffering is achieved through the gear soft layer 32, matching of the gear soft layer and the rack 41 is more reasonable, and noise is avoided.
In a specific embodiment, the gear body 31 is made of ABS material, the gear soft layer 32 is made of TPU material, and is integrally formed by two-shot molding, and the thickness of the gear body 31 after injection molding is unchanged. The thickness of the gear soft layer 32 is H4, and the diameter of the gear 30 at the largest position is D1, so that D1 is more than or equal to 10H4.
Wherein the gear 30ABS is made of POLYLAC ABS, the injection temperature is controlled at 205+ -10deg.C, the mold temperature is 73+ -3deg.C, and the injection amount is controlled at 70% of the standard injection amount. After the gear body 31 is cooled after injection molding, the TPU is injection molded for the second time. Wherein the thickness of the soft layer is 1-2mm, the maximum diameter of the gear 30 is 2cm, and the number of teeth is 80.
The following examples 1 to 5 were tested by controlling the process of preparing the gear 30, and the diameter of the gear 30 and the thickness of the soft layer (without adding the silence pad 10).
The test results show that the wear resistance of the TPU increases with increasing thickness, but the thickness of the soft layer is less affected by the interval of 1.2-2mm, and the thickness of the 1.2-2mm section can be preferably matched for noise reduction, and the thickness is optimally selected to be 1.5mm, one reason is that a small error exists in the manufacturing process, the intermediate value is selected, and the final preparation practical result is still in a range, and the two reasons are that the injection molding cost of the 1.5mm is relatively low.
In a specific embodiment, the mute pad 10 is made of EPDM, and is integrally connected with the latch bolt guide rod 1/latch bolt link rod 2 through two-shot molding.
Wherein the mute pad 10 is far away from the thickness H1 of the linkage mechanism 3 side, is close to the thickness H2 of the linkage mechanism 3 side, has a middle thickness H3, the diameter D2 of the mute pad 10 is H2 is more than or equal to H1 is more than or equal to H2/2 is more than or equal to H3, and 2 (H1+H2+H2+H2) is less than or equal to D2 is less than or equal to 5 (H1+H2+H2). Preferably, D2 has a diameter of 15-20mm, H1 is 1.2-2.4mm, H2 is 3-4mm, and H3 is 0.7-1.1mm.
The following examples 1 to 5 were tested (with the addition of the silence pad 10) by controlling the process of preparing the gear 30, and the diameter of the gear 30 and the thickness of the soft layer.
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Maximum diameter of gear 30 | 20mm | 20mm | 20mm | 20mm | 20 |
| Thickness of soft layer | 1mm | 1.2mm | 1.5mm | 2mm | 2.5 |
| Tooth number | 80 | 80 | 80 | 80 | 80 |
| D2 | 18mm | 18mm | 18mm | 18mm | 18mm |
| H1 | 2.4mm | 2.4mm | 2.4mm | 2.4mm | 2.4mm |
| H2 | 2.6mm | 3mm | 3.2mm | 3.4mm | 3.8mm |
| H3 | 0.8mm | 0.8mm | 0.8mm | 0.8mm | 0.8mm |
| dB noise level (average 10 times at random) | 22 | 20 | 17 | 18 | 17 |
The test results show that the noise of H1 is reduced along with the increase of the thickness of H1, but the influence of H2 in the interval of 3.2-3.8mm is not great, and the thickness of H2 in the interval of 3.2-3.8mm can be optimized for matching, and the optimal choice of H2 is 3.4mm, because of a small error in the manufacturing process, the final preparation practical result of the intermediate value is still in a range, and the two reasons are that the smaller the thickness is, the less the required material is, and the lower the cost is.
The unlocking member, not shown, is of a general construction, see in particular figure 2 of patent 201420649908.0.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. An instrument desk glove box lock mechanism comprising:
the lock tongue guide rod and the lock tongue connecting rod are arranged in parallel;
one end of the linkage mechanism is connected with the lock tongue guide rod, the other end of the linkage mechanism is connected with the lock tongue connecting rod, and a mute pad is arranged at the end part of the lock tongue guide rod, which is not connected with the lock tongue connecting rod;
the unlocking piece is connected with the lock tongue guide rod at one end and arranged outside the glove box at the other end, and can drive the lock tongue guide rod to move towards the direction of the lock tongue connecting rod body;
the reset mechanism is connected with the spring bolt guide rod and the spring bolt connecting rod through two elastic elements;
the interlocking mechanism adopts gear transmission, the gear comprises a gear body and a gear soft layer, the gear soft layer covers the surface of the gear body, the thickness of the gear soft layer is H4, the diameter of the largest position of the gear is D1, and D1 is more than or equal to 10H4.
2. The instrument desk glove box lock mechanism according to claim 1, wherein the linkage mechanism comprises a gear and a connecting part matched with the gear, the connecting part is respectively arranged at opposite ends of the lock tongue guide rod and the lock tongue guide rod, a rack matched with the gear is arranged on the connecting part, and the gear is sleeved on a connecting column protruding from an inner plate of the glove box.
3. The instrument desk glove box lock mechanism according to claim 2, wherein the lock tongue guide rod and the lock tongue connecting rod are provided with a balance wing, and the balance wing is provided with a connecting hole connected with the elastic element.
4. The instrument desk glove box lock mechanism according to claim 1, wherein the gear body is made of an ABS material, the gear soft layer is made of a TPU material, the gear soft layer is integrally formed by two-shot injection molding, and the thickness of the gear body after injection molding is unchanged.
5. The instrument desk glove box lock mechanism according to claim 1, wherein the mute mat is made of EPDM material and is integrally connected with the latch guide rod/latch link by two-shot molding.
6. The glove box lock mechanism according to claim 5, wherein the mute pad has a thickness H1 on a side far from the interlock mechanism, a thickness H2 on a side near the interlock mechanism, a thickness H3 in the middle, and a diameter D2 of the mute pad, H2 is not less than H1 is not less than H2/2 is not less than H3, and 2 (h1+h2+h3) is not less than d2 is not less than 5 (h1+h2+h3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509213.1A CN109372353B (en) | 2018-12-11 | 2018-12-11 | Glove box lock mechanism of instrument desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509213.1A CN109372353B (en) | 2018-12-11 | 2018-12-11 | Glove box lock mechanism of instrument desk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109372353A CN109372353A (en) | 2019-02-22 |
| CN109372353B true CN109372353B (en) | 2023-11-28 |
Family
ID=65373911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811509213.1A Active CN109372353B (en) | 2018-12-11 | 2018-12-11 | Glove box lock mechanism of instrument desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372353B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202441952U (en) * | 2011-07-08 | 2012-09-19 | 北京韩宇燃气锅炉有限公司 | Automatic valve driver |
| CN202645199U (en) * | 2012-06-01 | 2013-01-02 | 奇瑞汽车股份有限公司 | Vehicle glovebox lock |
| CN203584077U (en) * | 2013-10-14 | 2014-05-07 | 奇瑞汽车股份有限公司 | Automobile glove box lock |
| KR101393568B1 (en) * | 2012-12-05 | 2014-05-12 | 현대자동차 주식회사 | Glove box for vehicle |
| CN204266729U (en) * | 2014-11-03 | 2015-04-15 | 北京汽车股份有限公司 | The bilateral locking structure of glove box and glove box |
| CN204387251U (en) * | 2015-01-05 | 2015-06-10 | 镇江汇龙电器有限公司 | Nesting type plastics Noise-reducing gear |
| CN106988627A (en) * | 2017-04-28 | 2017-07-28 | 北京汽车股份有限公司 | Glove box knob lock system |
| CN108868392A (en) * | 2018-06-11 | 2018-11-23 | 吉利汽车研究院（宁波）有限公司 | The being unlocked by pressing mechanism and push type automobile glove box of automobile glove box |
| CN209670602U (en) * | 2018-12-11 | 2019-11-22 | 湖南龙创汽车技术有限公司 | Instrument desk glove box lock mechanism |
-
2018
- 2018-12-11 CN CN201811509213.1A patent/CN109372353B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202441952U (en) * | 2011-07-08 | 2012-09-19 | 北京韩宇燃气锅炉有限公司 | Automatic valve driver |
| CN202645199U (en) * | 2012-06-01 | 2013-01-02 | 奇瑞汽车股份有限公司 | Vehicle glovebox lock |
| KR101393568B1 (en) * | 2012-12-05 | 2014-05-12 | 현대자동차 주식회사 | Glove box for vehicle |
| CN203584077U (en) * | 2013-10-14 | 2014-05-07 | 奇瑞汽车股份有限公司 | Automobile glove box lock |
| CN204266729U (en) * | 2014-11-03 | 2015-04-15 | 北京汽车股份有限公司 | The bilateral locking structure of glove box and glove box |
| CN204387251U (en) * | 2015-01-05 | 2015-06-10 | 镇江汇龙电器有限公司 | Nesting type plastics Noise-reducing gear |
| CN106988627A (en) * | 2017-04-28 | 2017-07-28 | 北京汽车股份有限公司 | Glove box knob lock system |
| CN108868392A (en) * | 2018-06-11 | 2018-11-23 | 吉利汽车研究院（宁波）有限公司 | The being unlocked by pressing mechanism and push type automobile glove box of automobile glove box |
| CN209670602U (en) * | 2018-12-11 | 2019-11-22 | 湖南龙创汽车技术有限公司 | Instrument desk glove box lock mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109372353A (en) | 2019-02-22 |
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