CN209488752U - A kind of high-fidelity digital sound equipment - Google Patents
A kind of high-fidelity digital sound equipment Download PDFInfo
- Publication number
- CN209488752U CN209488752U CN201920283664.1U CN201920283664U CN209488752U CN 209488752 U CN209488752 U CN 209488752U CN 201920283664 U CN201920283664 U CN 201920283664U CN 209488752 U CN209488752 U CN 209488752U
- Authority
- CN
- China
- Prior art keywords
- protective shell
- spring
- head unit
- block
- sliding block
- 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.)
- Expired - Fee Related
Links
Landscapes
- Structure Of Receivers (AREA)
Abstract
The utility model discloses a kind of high-fidelity digital sound equipments; including protective shell; the protective shell is internally provided with head unit; loudspeaker is provided on the head unit; the protective shell surface corresponds to loudspeaker position and offers outlet sound mouth; it is provided with opening on the protective shell, the opening edge is along being rotatably connected to cover board, and the cover board is towards being provided with leaf spring in the one side inside protective shell.The utility model has the beneficial effects that the utility model inside protective shell by being arranged shock-absorbing protecting mechanism; so that the vibration that head unit is generated when teetertottering is reduced until eliminating; avoiding the structures such as the electronic component being mounted on inside head unit from mutually colliding causes to damage; to substantially prolong the service life of sound equipment, and the fidelity of sound equipment sound quality is effectively ensured.
Description
Technical field
The utility model relates to stereo set technical field, specially a kind of high-fidelity digital sound equipment.
Background technique
Sound equipment refers to a kind of equipment that audio signal can be transformed to sound.Sound equipment is the terminal of entire sound system,
As the extremely important component part of sound system, it is responsible for and electric signal is transformed into acoustical signal so that the ear of people is directly listened to
Task.
In the prior art, sound equipment is all hollow body structure, the structures such as electronic component be mounted on box house not by
To effective protection, then when people carry or using sound equipment, once rubber sleeve is easy to cause sound equipment born, will receive when sound equipment is born
Strong impact power, impact force can extend to box house and generate sharp pounding, so as to cause the electronics for being mounted on box house
The structures such as component are mutually collided and are damaged, and can not only greatly shorten the service life of sound equipment in this way, but also can be to sound equipment sound quality
Fidelity adversely affects.
Utility model content
The purpose of this utility model just height good in a kind of shock-absorbing protecting effect provided to solve the problem above-mentioned
Fidelity digital sound.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of high-fidelity digital sound equipment, including protection
Shell, the protective shell are internally provided with head unit, and loudspeaker is provided on the head unit, and the protective shell surface is corresponding
Loudspeaker position offers outlet sound mouth, opening is provided on the protective shell, the opening edge edge is rotatably connected to cover board, described
Cover board contradicts, the guarantor towards leaf spring is provided in the one side inside protective shell at the top of the leaf spring protruding end and head unit
Protective case is internally provided with shock-absorbing protecting mechanism, and the shock-absorbing protecting mechanism includes the support plate for installing head unit, described
Support plate bottom opens up fluted, and the inside grooves are provided with connecting rod, and the connecting rod both ends are fixedly connected in groove
Two sides inner wall on, sliding block is slidably connected in the connecting rod, is provided with first between the sliding block and groove inner sidewall
Spring, first spring one end are fixedly connected on groove inner sidewall, and the other end is connected with sliding block, and the sliding block includes first
Sliding block and the second sliding block are rotatably connected to first support bar on first sliding block, are rotatably connected on second sliding block
Two support rods, the first support bar and second support bar middle position are rotatably connected, the first support bar and
Two support rods are rotatably connected to movable block far from one end of sliding block, and the movable block includes that first movement block and second are mobile
Block, slide bar is respectively connected on the first movement block and the second movable block, and the protective shell bottom is provided with internal filling damping
The guide tube of oil is arranged with second spring on the slide bar, and described second spring one end is fixedly connected on movable block, the other end with
Guide tube is connected, and the slide bar protrudes into inside guide tube far from one end of first movement block and the second movable block, and the slide bar, which protrudes into, leads
One end inside cylinder is connected with piston.
As the further setting of the utility model, the head unit two sides are provided with air bag cushion, on the air bag cushion
Several inflation items are connected with, the inflation item is connected with air bag cushion, corresponding inflation position on the protection shell side wall
Several through-holes are offered, the inflation item passes through through-hole and stretches out outside protective shell, and the inflation item stretches out outside protective shell
One end be connected with hemispherical pneumatic head, the hemispherical pneumatic head is connected with inflation item.
As the further setting of the utility model, the head unit two sides are provided with regulating tank, in the regulating tank
Portion is provided with gag lever post, and one end is provided on the air bag cushion and protrudes into connection sheet inside regulating tank, the connection sheet protrudes into tune
One end inside section slot offers the limit hole for gag lever post insertion, and the is provided between the connection sheet and regulating tank roof
Three springs, the third spring one end are fixedly connected on regulating tank roof, and the other end is connected with connection sheet, the connection sheet with
Adjust and be provided with the 4th spring between groove bottom wall, the 4th spring one end, which is fixedly connected on, to be adjusted in groove bottom wall, the other end with
Connection sheet is connected.
As the further setting of the utility model, fixture block is provided on the cover board, the opening edge is useful along opening up
In offering slot on the card slot of fixture block insertion, the protective shell outer wall, the slot is connected to card slot, the protective shell outer wall
On be provided with bolt, the bolt includes bolt cap and plug, and the jack for plug insertion is offered on the fixture block, described
Tension spring is provided between bolt cap and protective shell outer wall, described tension spring one end is fixedly connected on protective shell outer wall, the other end with
Bolt cap is connected.
As the further setting of the utility model, the first movement block and the second movable block bottom are provided with cunning
Wheel, the protective shell bottom offer the pulley groove for limiting pulley trend.
As the further setting of the utility model, be enclosed with prevention wrapping on the protective shell, the prevention wrapping by
Rubber material is made.
Compared with prior art, the utility model has the beneficial effects that
The utility model inside protective shell by being arranged shock-absorbing protecting mechanism, so that head unit is teetertottering
When the vibration that generates be reduced until eliminate, avoid the structures such as the electronic component being mounted on inside head unit from mutually colliding and lead
Damage is caused, to substantially prolong the service life of sound equipment, and the fidelity of sound equipment sound quality has been effectively ensured.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model;
Fig. 2 is the schematic diagram of internal structure of the utility model;
Fig. 3 is the enlarged diagram in Fig. 2 at A;
Fig. 4 is the enlarged diagram in Fig. 2 at B;
Fig. 5 is the enlarged diagram in Fig. 2 at C;
Fig. 6 is the enlarged diagram in Fig. 2 at D.
Appended drawing reference: 1, protective shell;2, head unit;3, loudspeaker;4, outlet sound mouth;5, it is open;6, cover board;7, leaf spring;
8, support plate;9, groove;10, connecting rod;11, the first spring;12, the first sliding block;13, the second sliding block;14, first support bar;
15, second support bar;16, first movement block;17, the second movable block;18, slide bar;19, guide tube;20, second spring;21, living
Plug;22, air bag cushion;23, item is inflated;24, through-hole;25, hemispherical pneumatic head;26, regulating tank;27, gag lever post;28, connection sheet;
29, limit hole;30, third spring;31, the 4th spring;32, fixture block;33, card slot;34, slot;35, bolt;351, bolt cap;
352, plug;36, jack;37, tension spring;38, pulley;39, pulley groove;40, prevention wrapping.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-6, a kind of high-fidelity digital sound equipment, including protective shell 1, protection packet is enclosed on protective shell 1
Side 40, prevention wrapping 40 are made of rubber material, and the setting of prevention wrapping 40 can play preferable protective effect, prevent protective shell
1 it is born there is the phenomenon that edge abrasion, substantially prolong the service life of protective shell 1, protective shell 1 is internally provided with head unit
2, it is provided with loudspeaker 3 on head unit 2,1 surface of protective shell corresponds to 3 position of loudspeaker and offers outlet sound mouth 4, on protective shell 1
Be provided with opening 5,5 edges of opening are rotatably connected to cover board 6, cover board 6 towards being provided with leaf spring 7 in the one side inside protective shell 1,
It is contradicted at the top of 7 protruding end of leaf spring and head unit 2, protective shell 1 is internally provided with shock-absorbing protecting mechanism, and shock-absorbing protecting mechanism includes
For installing the support plate 8 of head unit 2,8 bottom of support plate opens up fluted 9, and groove 9 is internally provided with connecting rod 10, even
10 both ends of extension bar are fixedly connected on the two sides inner wall of groove 9, and sliding block, sliding block and groove 9 are slidably connected in connecting rod 10
The first spring 11 is provided between inner sidewall, 11 one end of the first spring is fixedly connected on 9 inner sidewall of groove, the other end and cunning
Block is connected, and sliding block includes the first sliding block 12 and the second sliding block 13, is rotatably connected to first support bar 14 on the first sliding block 12, and second
Second support bar 15 is rotatably connected on sliding block 13, first support bar 14 and 15 middle position of second support bar are rotatably connected on one
It rises, first support bar 14 and second support bar 15 are rotatably connected to movable block far from one end of sliding block, and movable block includes first
Movable block 16 and the second movable block 17, first movement block 16 and 17 bottom of the second movable block are provided with pulley 38,1 bottom of protective shell
Portion offers the pulley groove 39 for limiting the trend of pulley 38, is respectively connected with slide bar on first movement block 16 and the second movable block 17
18,1 bottom of protective shell is provided with the guide tube 19 of internal filling damping oil, is arranged with second spring 20, second spring on slide bar 18
20 one end are fixedly connected on movable block, and the other end is connected with guide tube 19, and slide bar 18 is mobile far from first movement block 16 and second
One end of block 17 is protruded into inside guide tube 19, and one end that slide bar 18 protrudes into inside guide tube 19 is connected with piston 21.
Through the above technical solutions, due to being arranged head unit 2 inside protective shell 1, when people carry or use sound
When ringing, once rubber sleeve causes sound equipment born, then protective shell 1 can be avoided first with ground face contact to play the role of insulation blocking
Head unit 2 is directly born to be caused to damage, wherein due to being internally provided with shock-absorbing protecting mechanism in protective shell 1, when protective shell 1
When being contacted with ground, strong impact power of the feedback from ground can extend to 1 inside of protective shell and generate sharp pounding, then set at this time
The head unit 2 inside protective shell 1 is set to be shaken and can teetertotter, it can stripper plate when head unit 2 shakes upwards
Spring 7, the compression of leaf spring 7 can occur elastic deformation and mitigate impact, so that the effect of bumper and absorbing shock is played, and head unit 2 shakes downwards
It will drive the decline of support plate 8 when dynamic, the decline of support plate 8 can squeeze first support bar 14 and second support bar 15, so that first
The angle formed between strut 14 and second support bar 15 constantly increases, to drive the first sliding block 12 and the second sliding block 13 simultaneously
It moves and is located remotely from each other along 10 rectilinear direction of connecting rod, the first sliding block 12 and the movement of the second sliding block 13 can constantly squeeze the first spring
11, the first spring 11, which is pressurized, to be occurred elastic deformation and mitigates impact, to play buffering effect, meanwhile, first movement block 16 and the
Two movable blocks 17 also can be moved and be located remotely from each other towards opposite direction under the drive of first support bar 14 and second support bar 15,
To move with moving slide-bar 18 and constantly protrude into inside guide tube 19, due to being filled with damping oil inside guide tube 19, then with slide bar
18 constantly protrude into, can make the continuous squeezed air-damping of piston 21 oily, damping oil can play good damping, so that slide bar 18
The movement velocity protruded into inside guide tube 19 slows down, and with the movement of slide bar 18, first movement block 16 and the second movable block 17
It can constantly be moved towards 19 direction of guide tube, to squeeze second spring 20, second spring 20 occurs elastic deformation and mitigates impact, rises
To further shock absorbing effect, by a series of this setting, so that the shake that head unit 2 is generated when teetertottering
Dynamic to be reduced until eliminating, avoiding the structures such as the electronic component being mounted on inside head unit 2 from mutually colliding causes to damage, from
And the service life of sound equipment is substantially prolonged, and the fidelity of sound equipment sound quality has been effectively ensured.
As a kind of improved specific embodiment, 2 two sides of head unit are provided with air bag cushion 22, one on air bag cushion 22
Several inflation items 23 are connected with, inflation item 23 and air bag cushion 22 are connected, and corresponding inflation 23 position of item opens up on 1 side wall of protective shell
There are several through-holes 24, inflation item 23 passes through through-hole 24 and stretches out outside protective shell 1, and inflation item 23 stretches out outside protective shell 1
One end is connected with hemispherical pneumatic head 25, and hemispherical pneumatic head 25 and inflation item 23 are connected, and 2 two sides of head unit are provided with adjusting
Slot 26, regulating tank 26 are internally provided with gag lever post 27, and one end is provided on air bag cushion 22 and protrudes into connection sheet inside regulating tank 26
28, one end that connection sheet 28 protrudes into inside regulating tank 26 offer for gag lever post 27 be inserted into limit hole 29, connection sheet 28 with
Third spring 30 is provided between 26 roof of regulating tank, 30 one end of third spring is fixedly connected on 26 roof of regulating tank, another
End is connected with connection sheet 28, and the 4th spring 31 is provided between 26 bottom wall of connection sheet 28 and regulating tank, and 31 one end of the 4th spring is solid
Surely it is connected on 26 bottom wall of regulating tank, the other end is connected with connection sheet 28.
Through the above technical solutions, air bag cushion 22 can be by sound equipment sheet due to being provided with air bag cushion 22 in 2 two sides of head unit
2 two sides jam-packed of body, so that the effect of bumper and absorbing shock is played, and when protective shell 1 is knocked over accidentally causes side to land, due to setting
Be equipped with hemispherical pneumatic head 25, hemispherical pneumatic head 25 can deform with ground face contact mitigation impact first, can play into
The buffering effect of one step slows down the vibration that head unit 2 is subject to, and can play a protective role, and prevents 1 side of protective shell direct
Ground causes to wear, and substantially prolongs the service life of protective shell 1, wherein it is connect by connection sheet 28 with the limit of gag lever post 27,
Air bag cushion 22 is fitted and connected with 2 two sides of head unit, and due to being provided with third spring 30 and the 4th spring 31, is then made
The connections of air bag cushion 22 and 2 two sides of head unit is elastic connection, guarantee head unit 2 when being shaken can normally on
Lower shaking, and the effect of bumper and absorbing shock can be further functioned as.
As a kind of improved specific embodiment, fixture block 32 is provided on cover board 6,5 edges of opening are offered for card
The card slot 33 that block 32 is embedded in offers slot 34 on 1 outer wall of protective shell, and slot 34 is connected to card slot 33, is set on 1 outer wall of protective shell
It is equipped with bolt 35, bolt 35 includes bolt cap 351 and plug 352, and the jack being inserted into for plug 352 is offered on fixture block 32
36, tension spring 37 is provided between 1 outer wall of bolt cap 351 and protective shell, 37 one end of tension spring is fixedly connected on 1 outer wall of protective shell,
The other end is connected with bolt cap 351.
Through the above technical solutions, when leading to dust stratification because of use for a long time inside protective shell 1, it can be by bolt 35 from slot
It extracts in 34, so that plug 352 be separated with jack 36, then fixture block 32 can be deviate from out of card slot 33 at this time, then by cover board 6
Overturning, user can easily clear up the dust inside protective shell 1 at this time, prevent dust accumulation is excessive from influencing head unit 2 just
It is often used, after cleaning out, cover board 6 can be covered again, fixture block 32 is embedded in card slot 33 again, then loosens tension spring 37,
Tension spring 37 shrinks and resiles, so that bolt 35 is reinserted slot 34, operation is more convenient simple, time saving and energy saving.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of high-fidelity digital sound equipment, including protective shell (1), the protective shell (1) is internally provided with head unit (2), institute
It states and is provided on head unit (2) loudspeaker (3), protective shell (1) surface corresponds to loudspeaker (3) position and offers outlet sound mouth
(4), it is characterised in that: it is provided with opening (5) on the protective shell (1), described opening (5) edge is rotatably connected to cover board (6),
The cover board (6) is towards being provided with leaf spring (7) in the internal one side of protective shell (1), leaf spring (7) protruding end and head unit
(2) top contradicts, and the protective shell (1) is internally provided with shock-absorbing protecting mechanism, and the shock-absorbing protecting mechanism includes for installing
The support plate (8) of head unit (2), support plate (8) bottom open up fluted (9), groove (9) company of being internally provided with
Extension bar (10), connecting rod (10) both ends are fixedly connected on the two sides inner wall of groove (9), sliding on the connecting rod (10)
It is dynamic to be connected with sliding block, it is provided with the first spring (11) between the sliding block and groove (9) inner sidewall, first spring (11)
One end is fixedly connected on groove (9) inner sidewall, and the other end is connected with sliding block, and the sliding block includes the first sliding block (12) and second
Sliding block (13) is rotatably connected to first support bar (14) on first sliding block (12), the company of rotation on second sliding block (13)
It being connected to second support bar (15), the first support bar (14) and second support bar (15) middle position are rotatably connected,
One end of the first support bar (14) and the separate sliding block of second support bar (15) is rotatably connected to movable block, the movable block
Including first movement block (16) and the second movable block (17), it is all connected on the first movement block (16) and the second movable block (17)
Have slide bar (18), protective shell (1) bottom is provided with the guide tube (19) of internal filling damping oil, is arranged on the slide bar (18)
Have second spring (20), described second spring (20) one end is fixedly connected on movable block, and the other end is connected with guide tube (19), institute
It states slide bar (18) and protrudes into guide tube (19) inside, the slide bar far from one end of first movement block (16) and the second movable block (17)
(18) it protrudes into the internal one end of guide tube (19) and is connected with piston (21).
2. a kind of high-fidelity digital sound equipment according to claim 1, it is characterised in that: head unit (2) two sides are set
It is equipped with air bag cushion (22), several inflations item (23), the inflation item (23) and gas is connected on the air bag cushion (22)
Capsule pad (22) is connected, and corresponding inflation item (23) position offers several through-holes (24) on protective shell (1) side wall, described to fill
Gas bar (23) passes through through-hole (24) and stretches out protective shell (1) outside, and inflation item (23) stretches out protective shell (1) external one end
It is connected with hemispherical pneumatic head (25), the hemispherical pneumatic head (25) and inflation item (23) conducting.
3. a kind of high-fidelity digital sound equipment according to claim 2, it is characterised in that: head unit (2) two sides are set
It is equipped with regulating tank (26), the regulating tank (26) is internally provided with gag lever post (27), is provided with one end on the air bag cushion (22)
The internal connection sheet (28) of regulating tank (26) is protruded into, one end that the connection sheet (28) protrudes into regulating tank (26) inside opens up useful
In the limit hole (29) of gag lever post (27) insertion, third spring is provided between the connection sheet (28) and regulating tank (26) roof
(30), described third spring (30) one end is fixedly connected on regulating tank (26) roof, and the other end is connected with connection sheet (28), institute
It states and is provided with the 4th spring (31) between connection sheet (28) and regulating tank (26) bottom wall, the 4th spring (31) one end is fixed to be connected
It connects on regulating tank (26) bottom wall, the other end is connected with connection sheet (28).
4. a kind of high-fidelity digital sound equipment according to claim 1, it is characterised in that: be provided with card on the cover board (6)
Block (32), described opening (5) edge offer the card slot (33) for fixture block (32) insertion, open on protective shell (1) outer wall
Equipped with slot (34), the slot (34) is connected to card slot (33), is provided with bolt (35), institute on protective shell (1) outer wall
Stating bolt (35) includes bolt cap (351) and plug (352), is offered on the fixture block (32) for plug (352) insertion
Jack (36) is provided with tension spring (37) between the bolt cap (351) and protective shell (1) outer wall, and described tension spring (37) one end is solid
Surely it is connected on protective shell (1) outer wall, the other end is connected with bolt cap (351).
5. a kind of high-fidelity digital sound equipment according to claim 1, it is characterised in that: the first movement block (16) and
Two movable blocks (17) bottom is provided with pulley (38), and protective shell (1) bottom is offered for limiting pulley (38) trend
Pulley groove (39).
6. a kind of high-fidelity digital sound equipment according to claim 1, it is characterised in that: be enclosed on the protective shell (1)
Prevention wrapping (40), the prevention wrapping (40) are made of rubber material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920283664.1U CN209488752U (en) | 2019-03-07 | 2019-03-07 | A kind of high-fidelity digital sound equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920283664.1U CN209488752U (en) | 2019-03-07 | 2019-03-07 | A kind of high-fidelity digital sound equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209488752U true CN209488752U (en) | 2019-10-11 |
Family
ID=68134197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920283664.1U Expired - Fee Related CN209488752U (en) | 2019-03-07 | 2019-03-07 | A kind of high-fidelity digital sound equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209488752U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114125604A (en) * | 2021-11-23 | 2022-03-01 | 安徽杰夫多媒体有限公司 | Effectual slim audio amplifier of shock attenuation |
-
2019
- 2019-03-07 CN CN201920283664.1U patent/CN209488752U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114125604A (en) * | 2021-11-23 | 2022-03-01 | 安徽杰夫多媒体有限公司 | Effectual slim audio amplifier of shock attenuation |
CN114125604B (en) * | 2021-11-23 | 2023-08-22 | 安徽杰夫多媒体有限公司 | Thin sound box with good damping effect |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205739884U (en) | A kind of elevator maltilevel security buffer unit | |
CN209488752U (en) | A kind of high-fidelity digital sound equipment | |
CN111585196A (en) | Distribution box protective equipment | |
CN108594967A (en) | A kind of computer cabinet with shockproof function | |
CN210444454U (en) | Movable outdoor sound box | |
CN201489824U (en) | Shock-absorbing device of computer hard disk | |
CN108825708A (en) | A kind of mechanical equipment damping device of novel improved structure | |
CN209497573U (en) | A kind of storage box suitable for the accommodating of a variety of earphones | |
CN209488746U (en) | A kind of shockproof ground structure for sound equipment installation | |
CN214269831U (en) | Special buffer of home use elevator | |
CN215843031U (en) | Constant temperature and humidity test box | |
CN212967421U (en) | Noise-reducing and shock-absorbing capacitor | |
CN210536862U (en) | Intelligence shock absorber support for bluetooth speaker | |
CN114336455A (en) | Effectual cable testing bridge for communication engineering of shock attenuation | |
CN208110484U (en) | A kind of damping device of computer cabinet | |
CN207331375U (en) | A kind of subway damper | |
CN219478136U (en) | Loudspeaker storage protection device | |
CN208661592U (en) | A kind of solder flux coating roller protective device | |
CN209180283U (en) | Shock absorber structure of automobile spring | |
CN220641008U (en) | Main control board with protection structure | |
CN207461589U (en) | A kind of multifunctional brake system service kit | |
CN211268973U (en) | Breakage-proof communication equipment | |
CN215417050U (en) | Projection equipment for teaching | |
CN210566014U (en) | Shock-absorbing device | |
CN111994440A (en) | Electronic product is criticized and is sent out with transportation protector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 |
|
CF01 | Termination of patent right due to non-payment of annual fee |