CN215890717U - Pressure maintaining tool - Google Patents

Pressure maintaining tool Download PDF

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Publication number
CN215890717U
CN215890717U CN202121688464.8U CN202121688464U CN215890717U CN 215890717 U CN215890717 U CN 215890717U CN 202121688464 U CN202121688464 U CN 202121688464U CN 215890717 U CN215890717 U CN 215890717U
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Prior art keywords
support
earphone
pressure maintaining
pressure head
pressure
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CN202121688464.8U
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Chinese (zh)
Inventor
孟令建
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Goertek Techology Co Ltd
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Goertek Techology Co Ltd
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Abstract

The utility model provides a pressure maintaining tool which comprises a substrate, a positioning component, an earphone flowing tool and a pressure maintaining device, wherein the pressure maintaining device comprises a support and a pressure head mechanism, the support can be turned to a first position and a second position, when the support is turned to the first position, the pressure head mechanism is in contact with a wireless earphone on the earphone flowing tool so as to apply pressure maintaining force to a bonding part of a sound receiving net of an earphone and an earphone shell, and when the support is turned to the second position, the pressure head mechanism is separated from the wireless earphone. The pressure maintaining tool is time-saving and labor-saving in pressure maintaining operation and accurate in pressure maintaining, solves the problems of inconvenience in manual pressure maintaining operation, low efficiency and poor consistency in the prior art, and improves the efficiency and yield of a production line.

Description

Pressure maintaining tool
Technical Field
The utility model relates to the technical field of pressure maintaining equipment, in particular to a pressure maintaining tool for maintaining pressure of a top sound receiving net in a wireless earphone manufacturing process.
Background
In the manufacturing process of wireless earphone, can adopt the mode of gluing or double faced adhesive tape bonding to bond the part of difference usually, for example be used for falling the sound receiving hole of making an uproar on the earphone casing lateral surface (deviating from this side of user's duct under the wearing state promptly), the sound receiving net (also called mesh net) that its covers is glued the back with the peripheral earphone casing point of sound receiving hole, for improving bonding compactness, guarantee stable and the product quality promotion of technology, can further increase the pressurize process, in order to guarantee the bonding strength of sound receiving net.
The manual pressurize, this kind of pressurize mode operation is inconvenient, wastes time and energy moreover, and the uniformity is poor again, and uses large-scale pressurize equipment to carry out automatic pressurize again and faces with high costs, the low-usage, idle maintenance high grade problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pressure maintaining tool which can solve the problems that in the prior art, after a wireless earphone sound collecting net is bonded with an earphone shell, manual pressure maintaining operation is inconvenient, efficiency is low, and the cost and the utilization rate of large-scale pressure maintaining equipment are high.
In order to achieve the technical purpose, the technical scheme adopted by the utility model is that the pressure maintaining tool comprises:
a substrate;
a positioning member provided on the substrate;
the earphone circulation tool is positioned on the substrate by the positioning component and is used for positioning the wireless earphone;
pressurizer, it establishes on the base plate, including the support that can overturn with install in order following on the support the pressure head mechanism of support upset, the support can overturn to primary importance and second place, works as the support upset extremely during the primary importance, pressure head mechanism with wireless earphone contact on the earphone circulation frock to exert the pressurize power to earphone radio network and earphone casing's bonding department, work as the support upset extremely during the second place, pressure head mechanism with wireless earphone separation.
The pressure head mechanism comprises a pressure head, a first guide assembly and a driving part, wherein the first guide assembly comprises a fixing part and a sliding part matched with the sliding guide of the fixing part, the fixing part is fixedly arranged on the support, the driving part is connected with the pressure head to drive the pressure head to move towards the direction close to the wireless earphone and apply pressure maintaining force when the pressure head is in contact with the wireless earphone, and the pressure head is fixedly connected with the sliding part into a whole.
The profile modeling is formed on the pressure head and presses the indent, and it is located the top of earphone circulation frock, earphone circulation frock configuration is its slope location wireless headset, makes the pressure head applys the guarantor's pressure perpendicularly to the bonding department of earphone radio net and earphone casing.
The driving component is a pressing block which can be pressed and moved, is movably connected with the pressure head and can move relative to the pressure head in the pressing direction, and a first buffering component is arranged between the driving component and the pressure head.
The driving part is arranged on the support, a second guide assembly used for guiding the pressing movement of the driving part is arranged between the driving part and the support, and a second buffer part used for buffering the pressing movement of the driving part is further arranged between the driving part and the support.
And the support is provided with a first locking component for locking the driving component when the driving component is pressed to drive the pressure head to perform pressure maintaining.
The base plate is fixedly provided with a fixed seat, one end of the support is connected to the fixed seat through a turnover shaft, and the fixed seat and/or the base plate are/is provided with a supporting component which is used for supporting the support to keep the support at the first position when the support is turned to the first position.
The supporting component is provided with:
the third buffer component is used for providing buffer force when the bracket overturns to the first position;
a second locking means for locking the stand to remain in the first position when the stand is turned to the first position.
And the support part is provided with a limiting part for limiting the support to rotate in the plane of the overturning shaft when the support is overturned to the first position.
The pressure maintaining tool further comprises a timing device which is arranged on the substrate.
Compared with the prior art, the utility model has the following advantages and positive effects:
1. according to the pressure maintaining tool, the pressure head mechanism is driven to overturn through overturning of the support of the pressure maintaining device, so that the pressure head mechanism reaches the pressure maintaining position or is separated from the pressure maintaining position, when the pressure head mechanism overturns to the first position along with the support, the pressure head mechanism is in contact with a wireless earphone on the earphone circulation tool, pressure maintaining is applied to the bonding position of a headphone sound screen and an earphone shell, when the pressure head mechanism overturns to the second position along with the support, the pressure head mechanism is separated from the wireless earphone, pressure maintaining is finished, pressure maintaining operation is time-saving and labor-saving, pressure maintaining is accurate, the problems of inconvenience in manual pressure maintaining operation, low efficiency and poor consistency in the prior art are solved, and the efficiency and the yield of a production line are improved;
2. the pressure maintaining tool is simple in structure, low in cost and high in utilization rate compared with large pressure maintaining equipment in the prior art, and the earphone circulation tool with the wireless earphones can be directly positioned on the pressure maintaining tool, so that pressure maintaining operation at the bonding position of the earphone sound collecting net and the earphone shell can be realized in the production and circulation process of the wireless earphones, and the production line efficiency is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of the pressure maintaining tool of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a sectional view taken along line B-B of FIG. 3; (ii) a
FIG. 5 is a perspective view of another view of the pressure maintaining tool of the present invention;
fig. 6 is a front view of the pressure maintaining mechanism of the pressure maintaining tool of the present invention in a pressure maintaining state.
Description of the drawings: 100. a substrate; 200. a positioning member; 300. an earphone circulation tool; 310. a profiling positioning groove; 320. a cover plate; 330. positioning holes; 400. a pressure maintaining device; 410. a support; 411. a limiting hole; 420. a pressure head mechanism; 421. a pressure head; 422. a drive member; 423. a fixed part; 424. a sliding part; 425. profiling the pressing groove; 426. buckling; 430. a first cushioning member; 440. a guide post; 450. a connecting rod; 460. a second guide assembly; 470. a second cushioning member; 480. a first locking member; 490. a turning shaft; 500. a circulation tool base; 600. a fixed seat; 700. a support member; 710. a third cushioning member; 720. a second locking member; 730. a limiting component; 800. a timing device; 900. a stop member.
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 6, the pressure maintaining tool of the embodiment is used for maintaining the pressure at the bonding position between the earphone sound collecting net and the earphone shell in the wireless earphone manufacturing process, the sound collecting net is generally called a mesh net or an acoustic rear net, and covers the sound collecting hole on the earphone shell, so as to reduce noise and facilitate installation for collecting noise, and the position of the sound collecting hole is generally located at the connecting position between the earplug part and the tail pipe part of the wireless earphone and located on the outer side surface of the earphone shell.
The pressure maintaining tool of the embodiment includes a substrate 100, a positioning member 200, an earphone circulation tool 300, and a pressure maintaining device 400.
The substrate 100 is a general supporting component of the pressure maintaining tool of this embodiment, and is used to fixedly support all structural components of the pressure maintaining tool of this embodiment, the handle 11 may be disposed on the substrate 100 to facilitate the carrying of the tool, and the substrate 100 is a rectangular flat plate in this embodiment.
The positioning component 200 is arranged on the substrate 100 and used for positioning the earphone circulation tool 300, the positioning component 200 is a positioning pin in the embodiment, a positioning hole 330 is correspondingly arranged on the earphone circulation tool 300, because the earphone circulation tool 300 is usually made of metal, the positioning component 200 can preferably select a positioning pin (namely a magnetic pin) with magnetic force, and the earphone circulation tool 300 can be fixed on the substrate 100 through magnetic attraction after being matched with the positioning hole, so that the stability of the earphone circulation tool 300 on the substrate 100 is improved, and the pressure maintaining precision is further improved.
Earphone circulation frock 300 is fixed a position on base plate 100 by locating part 200, earphone circulation frock 300 is the carrier commonly used in the wireless earphone manufacturing process, be used for the location and bear wireless earphone, make wireless earphone circulate between different production processes, avoided wireless earphone to relapse the dismouting and caused wearing and tearing and the big problem of location accumulative error, be formed with profile modeling constant head tank 310 on it, profile modeling constant head tank 310 disposes apron 320, place wireless earphone in profile modeling constant head tank 310, cover apron 320 and make the earphone fix a position firmly on earphone circulation frock 300.
The pressurizer 400 is disposed on the substrate 100, and includes a support 410 that can be turned over and a pressure head mechanism 420 that is mounted on the support 410 to turn over along with the support 410, the support 410 can be turned over to a first position and a second position, when the support 410 is turned over to the first position as shown in fig. 1 and fig. 4 to fig. 6, the pressure head mechanism 420 contacts with the wireless earphone on the earphone circulation tool 300 to apply a pressure to the bonding position of the earphone sound receiving net and the earphone housing, and when the second position, the pressure head mechanism 420 is separated from the wireless earphone.
The support 410 is overturned to drive the pressure head mechanism 420 to overturn so that the pressure head mechanism 420 reaches a pressure maintaining position or is separated from the pressure maintaining position, when the pressure head mechanism 420 overturns to a first position along with the support 410, the pressure head mechanism 420 is in contact with a wireless earphone on the earphone circulation tool 300 to apply pressure maintaining to a bonding part of a radio network of the earphone and an earphone shell, when the pressure head mechanism 420 overturns to a second position along with the support 410, the pressure head mechanism 420 is separated from the wireless earphone, pressure maintaining is finished, pressure maintaining operation is time-saving and labor-saving, pressure maintaining is accurate, the problems of inconvenience in manual pressure maintaining operation, low efficiency and poor consistency in the prior art are solved, and the efficiency and the yield of a production line are improved; this embodiment pressurize frock simple structure compares the large-scale pressurize equipment of prior art with low costs, and the high-usage, the earphone circulation frock that the location has wireless earphone can the direct positioning on this pressurize frock for can realize the pressurize operation of earphone radio network and earphone casing splice in the wireless earphone production circulation in-process, further improve and produce line efficiency.
The ram mechanism 420 in this embodiment includes ram 421, first direction subassembly and driver part 422, and first direction subassembly includes fixed part 423 and the sliding part 424 with fixed part 423 sliding guide complex, and fixed part 423 sets firmly on support 410, and driver part 422 is connected with ram 421 and moves and exert the pressurize pressure when ram 421 contacts with the wireless earphone to the direction that drives ram 421 near the wireless earphone, and ram 421 links firmly as an organic whole with sliding part 424. The driving member 422 may be an electric driving member or a manual driving member, and the first guiding assembly guides the movement of the pressing head 421, specifically, as shown in fig. 2, the fixing portion 423 is a T-shaped guide rail, and the sliding portion 424 is a slider with a matching T-shaped sliding slot.
Furthermore, a profiling pressing groove 425 is formed on the pressure head 421, and the profiling pressing groove 425 is matched with the profile shape of the part to be subjected to pressure maintaining on the earphone, so that accurate profiling pressure maintaining is realized, and the appearance of a product is not damaged as much as possible; the profiling pressing groove 425 is located above the earphone circulation tool 300, and since the wireless earphone sound receiving hole is usually located on the outer side surface of the earphone shell and located at the connection position of the earphone plug portion and the tail pipe portion, the connection position is usually an arc-shaped profile, so that the earphone plug portion and the tail pipe portion are in arc-shaped transition connection, in order to enable the pressure head 421 to uniformly apply the protective pressure to the periphery of the sound receiving net, the earphone circulation tool 300 is configured to obliquely position the wireless earphone, and the pressure head 421 vertically applies the protective pressure to the bonding position of the earphone sound receiving net and the earphone shell. Because earphone circulation frock 300 general profile is the rectangle, for making it can the slope location wireless earphone, can fix on base plate 100 and set up a circulation frock base 500, the laminating of earphone circulation frock 300 sets firmly on circulation frock base 500, the certain angle of top surface slope of circulation frock base 500, thereby make the certain angle of wireless earphone slope on the earphone circulation frock 300, concrete inclination is different according to specific wireless earphone profile shape, make pressure head 421 to earphone receiving net and the bonding department of earphone casing perpendicular application guarantor's pressure and to the peripheral application of force equilibrium of receiving net.
In this embodiment, the driving unit 422 is a pressing block capable of being pressed and moved, and is movably connected to the pressing head 421 and relatively movable with the pressing head 421 in a pressing direction, and a first buffering unit 426 is disposed between the driving unit 422 and the pressing head 421. The driving member 422 and the ram 421 are not rigidly connected, and the pressing force of the driving member 422 is transmitted to the first buffer member 430, buffered by the first buffer member 430, and then transmitted to the ram 421, so as to prevent the surface of the earphone from being damaged by impact due to too fast pressing and too high pressing force. Specifically, the first buffer member 430 may be a hydraulic buffer or an elastic member, such as a spring, an elastic rubber sleeve, or the like. In this embodiment, the driving member 422 and the pressing head 421 are movably connected by matching of the guiding post and the guiding hole, and the guiding post 440 is fixedly disposed on the top of the pressing head 421, the guiding hole (not shown in the figure for visual reasons) is disposed on a connecting rod 450 fixedly connected to the driving member 422, the guiding post 440 or the guiding hole is provided with a limiting protrusion for preventing the guiding post 440 from separating from the guiding hole along the guiding direction, and the first buffering member 430 is a spring sleeved on the guiding post 440. The swing joint of driver part 422 and pressure head 421 has been realized on the one hand to the cooperation of guide post and guiding hole, and on the other hand can also play the guide effect to the relative movement between the two, has improved the accurate nature of pressurize of pressure head 421, and first buffer part 430 can press the action to driver part 422 and play the cushioning effect, can also make driver part 422 automatic re-setting through its spring restoring force simultaneously.
As shown in fig. 4 and 5, in order to ensure the pressing smoothness of the driving member 422, a second guiding assembly 460 for guiding the pressing movement of the driving member 422 is disposed on the support 410, and a second buffering member 470 for buffering the pressing movement of the driving member 422 is disposed between the driving member 422 and the support 410. Similarly, the second guiding assembly 460 is a matching structure of the guiding post and the guiding hole, the second buffering component 470 is a spring sleeved on the guiding post, the second buffering component 470 also plays a role in preventing the driving component 422 from being pressed too fast, and meanwhile, the driving component 422 can be automatically reset.
Further, when drive unit 422 is not atress, it can have the trend of resetting under second buffer unit 470 and first buffer unit 430 effect, if do not last manual pressing, have the risk of pressurize inefficacy, in order to avoid this problem, be equipped with first locking unit 480 on the support 410 for drive unit 422 is pressed and is locked drive unit 422 when driving pressure head 421 and carry out the pressurize, prevent its automatic re-setting, need not to press manually all the time, and can prolong the pressurize time, improve the pressurize reliability. In this embodiment, the first locking member 480 is a buckle capable of being turned to open and close, the driving member 422 is provided with a corresponding buckle 426, and when the first locking member 480 is buckled and locked with the buckle 426, the driving member 422 is locked, so that the pressing head 421 can continuously press the pressing head, as shown in fig. 6.
As for the specific arrangement structure of the bracket 410, as shown in fig. 1, 3 to 5, a fixing base 600 is fixedly arranged on the substrate 100, one end of the bracket 410 is hinged to the fixing base 600 through a turning shaft 490, and the fixing base 600 and/or the substrate 100 is provided with a supporting member 700 for supporting the bracket 410 to keep the bracket 410 at the first position when the bracket 410 is turned to the first position. In this embodiment, the supporting member 700 is disposed on the fixing base 600, and is an extended supporting platform on the fixing base 600, and supports the bracket 410 at the bottom of the bracket 410. The holder 410 has a certain height relative to the substrate 100 by the fixing base 600, so that the pressing head mechanism 420 can be positioned above the circulation tooling base 500, and a pressure-keeping force is applied to the earphone from the upper side.
Further, as shown in fig. 4, a third buffer member 710 and a second locking member 720 are disposed on the support member 700, the third buffer member 710 is used for providing a buffer force when the bracket 410 is turned to the first position to prevent the bracket 410 from being shocked due to too fast turning, and the third buffer member 710 may be a hydraulic buffer or an elastic member; the second locking member 720 is used for locking the bracket 410 to maintain the first position when the bracket 410 is turned over to the first position, so as to overcome the buffering force of the third buffering member 710 to the bracket 410, prevent the bracket 410 from shaking up and down, enable the bracket 410 to be stably maintained at the first position, and improve the pressure maintaining accuracy.
Also to further securely hold the stand 410 in the first position, the support member 700 is provided with a limiting member 730 for limiting the rotation of the stand 410 in the plane of the turning shaft 490 when the stand 410 is turned to the first position. The locating pin (being the magnetism round pin) of magnetic force can preferably be taken to spacing component 730, and support 410 corresponds and is equipped with spacing hole 411, and spacing component 730 can be further fixed support 410 through the effect of magnetism after with spacing hole 411 cooperation to improve the steadiness of support 410 when the first position, and then improve the pressurize precision.
In this embodiment, as shown in fig. 1, fig. 3, fig. 5 and fig. 6, the pressure maintaining tool of this embodiment further includes a timing device 800 disposed on the substrate 100. When the support 410 is turned to the first position and the driving part 422 drives the pressing head 421 to move in place, the timing device 800 is started to start timing, and after the time, the timing device 800 gives a prompt to remind that the pressure maintaining is completed.
As shown in fig. 1, 4 and 5, the fixing base 600 is further provided with a stopping member 900 for supporting and stopping the bracket 410 when the bracket 410 is turned to the second position, so that the bracket 410 can be stably fixed at the second position.
The concrete use of this embodiment pressurize frock does: place wireless earphone in profile modeling constant head tank 310, cover the apron 320 of earphone circulation frock 300, flow the frock 300 with the earphone and fix a position on base plate 100, upset support 410 to first position, operation second locking part 720 fixes support 410, press drive assembly 422, and then drive pressure head 421 reaches the pressurize position, operation first locking part 480 fixes drive assembly 422, make pressure head 421 last the pressurize to the earphone, open timing device 800 simultaneously and begin the timing, accomplish until the pressurize.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a pressurize frock, its characterized in that includes:
a substrate;
a positioning member provided on the substrate;
the earphone circulation tool is positioned on the substrate by the positioning component and is used for positioning the wireless earphone;
pressurizer, it establishes on the base plate, including the support that can overturn with install in order following on the support the pressure head mechanism of support upset, the support can overturn to primary importance and second place, works as the support upset extremely during the primary importance, pressure head mechanism with wireless earphone contact on the earphone circulation frock to exert the pressurize power to earphone radio network and earphone casing's bonding department, work as the support upset extremely during the second place, pressure head mechanism with wireless earphone separation.
2. The pressure maintaining tool of claim 1, wherein,
the pressure head mechanism comprises a pressure head, a first guide assembly and a driving part, wherein the first guide assembly comprises a fixing part and a sliding part matched with the sliding guide of the fixing part, the fixing part is fixedly arranged on the support, the driving part is connected with the pressure head to drive the pressure head to move towards the direction close to the wireless earphone and apply pressure maintaining force when the pressure head is in contact with the wireless earphone, and the pressure head is fixedly connected with the sliding part into a whole.
3. The pressure maintaining tool of claim 2, wherein,
the profile modeling is formed on the pressure head and presses the indent, and it is located the top of earphone circulation frock, earphone circulation frock configuration is its slope location wireless headset, makes the pressure head applys the guarantor's pressure perpendicularly to the bonding department of earphone radio net and earphone casing.
4. The pressure maintaining tool of claim 2, wherein,
the driving component is a pressing block which can be pressed and moved, is movably connected with the pressure head and can move relative to the pressure head in the pressing direction, and a first buffering component is arranged between the driving component and the pressure head.
5. The pressure maintaining tool of claim 4, wherein,
the driving part is arranged on the support, a second guide assembly used for guiding the pressing movement of the driving part is arranged between the driving part and the support, and a second buffer part used for buffering the pressing movement of the driving part is further arranged between the driving part and the support.
6. The pressure maintaining tool of claim 5, wherein,
and the support is provided with a first locking component for locking the driving component when the driving component is pressed to drive the pressure head to perform pressure maintaining.
7. The pressure maintaining tool of claim 1, wherein,
the base plate is fixedly provided with a fixed seat, one end of the support is connected to the fixed seat through a turnover shaft, and the fixed seat and/or the base plate are/is provided with a supporting component which is used for supporting the support to keep the support at the first position when the support is turned to the first position.
8. The pressure maintaining tool of claim 7, wherein,
the supporting component is provided with:
the third buffer component is used for providing buffer force when the bracket overturns to the first position;
a second locking means for locking the stand to remain in the first position when the stand is turned to the first position.
9. The pressure maintaining tool of claim 7 or 8,
and the support part is provided with a limiting part for limiting the support to rotate in the plane of the overturning shaft when the support is overturned to the first position.
10. The pressure maintaining tool of claim 1, wherein,
the pressure maintaining tool further comprises a timing device which is arranged on the substrate.
CN202121688464.8U 2021-07-23 2021-07-23 Pressure maintaining tool Active CN215890717U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121688464.8U CN215890717U (en) 2021-07-23 2021-07-23 Pressure maintaining tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121688464.8U CN215890717U (en) 2021-07-23 2021-07-23 Pressure maintaining tool

Publications (1)

Publication Number Publication Date
CN215890717U true CN215890717U (en) 2022-02-22

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Application Number Title Priority Date Filing Date
CN202121688464.8U Active CN215890717U (en) 2021-07-23 2021-07-23 Pressure maintaining tool

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114593124A (en) * 2022-04-18 2022-06-07 广东金龙东创智能装备有限公司 Pressure maintaining device
CN114714058A (en) * 2022-04-20 2022-07-08 苏州赛腾精密电子股份有限公司 Turnover pneumatic assembling pressure maintaining mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114593124A (en) * 2022-04-18 2022-06-07 广东金龙东创智能装备有限公司 Pressure maintaining device
CN114714058A (en) * 2022-04-20 2022-07-08 苏州赛腾精密电子股份有限公司 Turnover pneumatic assembling pressure maintaining mechanism
WO2023202000A1 (en) * 2022-04-20 2023-10-26 苏州赛腾精密电子股份有限公司 Turn-over-type pneumatic assembly pressure-maintaining mechanism

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