CN116066707B - PDA handle and PDA device with bar code reading function - Google Patents

PDA handle and PDA device with bar code reading function Download PDF

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Publication number
CN116066707B
CN116066707B CN202310201294.3A CN202310201294A CN116066707B CN 116066707 B CN116066707 B CN 116066707B CN 202310201294 A CN202310201294 A CN 202310201294A CN 116066707 B CN116066707 B CN 116066707B
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China
Prior art keywords
end cover
pda
connecting shaft
groove
sliding
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CN202310201294.3A
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Chinese (zh)
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CN116066707A (en
Inventor
郑成功
潘凌东
黄素寒
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Shenzhen Xiaobang Findo Technology Co ltd
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Shenzhen Xiaobang Findo Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses a PDA handle and PDA equipment with bar code reading function, wherein the PDA handle comprises a fixed frame and a connecting shaft arranged at the bottom of the fixed frame, two driving rings are slidably arranged at the outer side of the connecting shaft, a first end cover is fixedly arranged at both ends of the connecting shaft, a second end cover is rotatably connected in the first end cover, a sheath is fixedly arranged between the driving rings and the second end cover at the same side, an inner cylinder is coaxially arranged at the bottom end of the connecting shaft, an outer cylinder is sleeved at the outer side of the inner cylinder, and the outer cylinder penetrates through the first end cover and the second end cover and is rotatably connected with the first end cover; the second end cover is driven to synchronously rotate through the rotation of the outer cylinder, and the sheath on one side of the driving ring is folded into the second end cover, so that the outer cylinder drives the second end cover and the driving ring to rotate, the sheath between the second end cover and the driving ring can be driven to rotate, and sweat on the outer side of the sheath can be thrown out under the action of centrifugal force, so that the second end cover is convenient to use next time.

Description

PDA handle and PDA device with bar code reading function
Technical Field
The invention relates to the technical field of information equipment, in particular to a PDA handle and PDA equipment with a bar code reading function.
Background
PDAs can help us to perform work in motion, classified by use, into industrial-grade PDAs and consumer-product PDAs. The industrial PDA is mainly applied in the industrial field, and a bar code scanner, an RFID reader-writer, a POS machine and the like are commonly known as the PDA.
Chinese patent CN213582111U discloses a PDA handle and PDA device comprising: handle body, handle body includes: the handle is fixedly connected with the fixing piece; the trigger piece is arranged on the adjusting piece and is used for starting the induction piece arranged in the PDA body; the adjusting assembly includes: a button rotatably connected to the grip; the cantilever beam is rotatably arranged in the handle through the rotating shaft, and the trigger piece is arranged at one end of the cantilever beam, which is close to the fixing piece; and the two ends of the elastic piece are respectively connected with the cantilever beam and the holding handle. According to the PDA handle provided by the scheme, the PDA body is arranged on the handle body, the handle body is held by an operator, the trigger piece is adjusted to be close to or far away from the sensing piece through the adjusting piece, the sensing piece is further opened or closed, the sensing piece controls the PDA body to be opened or closed, bar code scanning is finally realized by holding the handle, the working strength is reduced, and the operation is simpler.
The device is operated the PDA body through the handle that grips that sets up, and the handle periphery is the integral design, can not fold or dismantle, when sweat stain is covered the handle outside surface, is inconvenient for the clearance, has reduced the frictional force between handle and the hand on the one hand to lead to the stability of gripping not enough, on the other hand also can breed the bacterium, has certain sanitary problem.
Therefore, it is necessary to provide a PDA handle and a PDA device with barcode reading function to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a PDA handle and PDA equipment with bar code reading function, which are used for solving the problems that the prior device provided in the background art operates a PDA body through a holding handle, the periphery of the holding handle is of an integral design and cannot be folded or detached, when sweat stains are distributed on the outer side surface of the holding handle, cleaning is inconvenient, friction force between the holding handle and a hand is reduced, and therefore the holding stability is insufficient.
Based on the thought, the invention provides the following technical scheme: the connecting shaft comprises a fixed frame and a connecting shaft arranged at the bottom of the fixed frame, wherein two driving rings are slidably arranged on the outer side of the connecting shaft, a first end cover is fixedly arranged at two ends of the connecting shaft, a second end cover is rotatably connected in the first end cover, a sheath is fixedly arranged between the driving ring and the second end cover on the same side, an inner cylinder is coaxially arranged at the bottom end of the connecting shaft, an outer cylinder is sleeved on the outer side of the inner cylinder, and the outer cylinder penetrates through the first end cover and the second end cover and is rotatably connected with the first end cover;
and a limiting component is arranged between the outer cylinder and the second end cover, a driving component connected with the inner cylinder is arranged on the connecting shaft, and when the driving ring is clamped with the second end cover, the limiting component connects the outer cylinder with the second end cover and drives the inner cylinder and the outer cylinder to synchronously rotate in one direction through the driving component.
As a further scheme of the invention: the outer side of the inner cylinder is fixedly sleeved with a one-way bearing, and the outer cylinder is fixedly arranged on the outer side of the one-way shaft sleeve.
As a further scheme of the invention: the driving assembly comprises a pressing block which is in sliding fit with the connecting shaft, a groove is formed in the outer peripheral surface of the connecting shaft along the diameter direction of the pressing block, the pressing block is slidably arranged in the groove, a sliding rod is slidably connected to the top end and the bottom end of the connecting shaft, one end of the sliding rod, which is far away from the pressing block, outwards penetrates out of the connecting shaft and penetrates through the inner cylinder, the sliding rod and the connecting shaft are coaxially arranged, square holes are formed in the top end and the bottom end of the groove, a baffle is slidably connected in the square holes, the sliding rod penetrates through the baffle and is fixedly connected with the baffle, a first spring is sleeved on the outer side of the sliding rod and is arranged between the baffle and the end surface of the square holes, a pull rope is fixedly arranged between the pressing block and the sliding rod, a spiral groove is formed in the inner wall of the inner cylinder, and a lug which is slidably matched with the spiral groove is fixedly connected to the outer peripheral surface of the sliding rod.
As a further scheme of the invention: the limiting component comprises a limiting rod which is arranged on the second end cover in a sliding mode, a sliding groove is formed in the second end cover, the limiting rod is arranged in the sliding groove in a sliding mode, one end, far away from the outer barrel, of the limiting rod is fixedly connected with a sealing block, the sealing block is arranged in the sliding groove in a sliding mode, a sealing cavity is formed between one side, far away from the limiting rod, of the sealing block and the end face of the sliding groove, a fixing block is fixedly connected in the sliding groove, the limiting rod penetrates through the fixing block and is in sliding connection with the fixing block, a third spring is sleeved between the sealing block and the fixing block in the outer side of the limiting rod, a plurality of limiting holes matched with the limiting rod are evenly formed in the outer side peripheral face of the outer barrel, one side, close to the second end cover, of the driving ring faces outwards protruding to form a positioning block, a positioning groove which is clamped with the positioning block is formed in a side face, of the second end cover, an air bag is fixedly connected to the inner bottom face of the positioning groove, and a flow guiding pipe is arranged between the air bag and the sealing cavity.
As a further scheme of the invention: the blind hole is formed in the outer side face of the positioning block, a limit column is arranged in the blind hole in a sliding mode, a fourth spring is arranged at one end of the limit column in the blind hole, a plurality of pressing grooves and guide grooves which are communicated with each other are formed in the periphery of the inner wall of the first end cover, the pressing grooves and the guide grooves are staggered in the vertical direction, the guide grooves and the pressing grooves are in smooth transition, and the limit column slides in the pressing grooves and the guide grooves.
As a further scheme of the invention: the driving ring is connected with an adjusting screw in a threaded manner, and a traction rope is fixedly arranged between the adjusting screw and the limiting column.
As a further scheme of the invention: the bottom surface fixedly connected with branch of first end cover, the one end that branch kept away from first end cover upwards extends along the axis direction of slide bar and wears out slide bar and connecting axle fixed connection, branch and slide bar sliding connection.
As a further scheme of the invention: an annular groove is formed in the end face of one driving ring, an annular protrusion which is in sliding fit with the annular groove is fixedly connected to the end face of the other driving ring, the annular protrusion is arranged in the annular groove in a sliding mode, and the cross sections of the annular protrusion and the annular groove are T-shaped.
As a further scheme of the invention: the first end cover and the second end cover are both coaxially arranged with the connecting shaft.
A PDA device with a bar code reading function using the PDA handle is characterized in that a PDA body is arranged on the fixing frame, and a collecting scanning head is arranged at one end of the PDA body.
Compared with the prior art, the invention has the beneficial effects that: the user holds in the outside of sheath and operates the device wholly, when using a period sheath outside to be covered with sweat stain, can slide the drive ring and make the sheath of drive ring one side slide to in the second end cover, and the sheath of drive ring opposite side then expandes again and arranges the outside of connecting axle in, so that the user grips, drive the inner tube through the epaxial drive assembly of operation connecting, make the inner tube drive the urceolus rotation through the one-way bearing, the urceolus pivoted in-process can drive the synchronous rotation of second end cover, and at this moment because the sheath of drive ring one side has been folded to in the second end cover, therefore, when the urceolus drives second end cover and drive ring rotation, can drive the sheath rotation between the two, can throw away the sweat stain in the sheath outside at this moment under the effect of centrifugal force, thereby be convenient for its next use.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the fixing frame and the connecting shaft of the present invention;
FIG. 3 is a schematic view of the driving ring and positioning block structure of the present invention;
FIG. 4 is a schematic view of the briquette structure of the present invention;
FIG. 5 is a partial cross-sectional view of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6B in accordance with the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 6 at C in accordance with the present invention;
FIG. 9 is a schematic diagram of a two drive ring connection configuration of the present invention;
FIG. 10 is a schematic view of a positioning slot structure according to the present invention;
FIG. 11 is a schematic view of the outer cylinder structure of the present invention;
FIG. 12 is an expanded view of the pressing groove and the guide groove of the present invention;
FIG. 13 is a schematic view of the helical groove structure of the present invention;
fig. 14 is a schematic view of a bump structure according to the present invention.
In the figure: 1. a PDA body; 2. a fixing frame; 3. a first end cap; 4. a sheath; 5. a drive ring; 6. adjusting a screw; 7. a limit column; 8. a positioning block; 9. fastening a screw; 10. briquetting; 11. a connecting shaft; 12. an outer cylinder; 13. a support rod; 14. an air bag; 15. an inner cylinder; 16. a pull rope; 17. a slide bar; 18. a first spring; 19. a baffle; 20. a second end cap; 21. a flow guiding pipe; 22. a bar-shaped groove; 23. a second spring; 24. a fixed block; 25. a third spring; 26. a limit rod; 27. a sealing block; 28. sealing the chamber; 29. an annular protrusion; 30. a traction rope; 31. a fourth spring; 32. a chute; 33. a positioning groove; 34. a limiting hole; 35. pressing a groove; 36. a guide groove; 37. a spiral groove; 38. a bump; 39. and a plunger.
Detailed Description
As shown in fig. 1-5, a PDA handle and a PDA device with barcode reading function, including a fixing frame 2 for fixing a PDA body 1, the fixing frame 2 is set to be U-shaped, both sides of the fixing frame 2 are connected with fastening screws 9 in a threaded manner, one end of the fastening screw 9, which is close to the PDA body 1, is provided with a squeezing sheet made of rubber material, the PDA body 1 is arranged inside the fixing frame 2, one end of the PDA body 1 is provided with a collecting scanning head, the collecting scanning head has barcode reading function for scanning external barcode information, the PDA body 1 stores and uploads scanned data, the specific structures, working principles and the like of the PDA body 1 and the collecting scanning head are mature technologies, and are not repeated herein, in practical use, the PDA body 1 is placed at the top of the fixing frame 2, and the squeezing sheet is driven to move towards the PDA body 1 by rotating the fastening screws 9 to compress the squeezing sheet.
In order to facilitate the holding, a connecting shaft 11 is fixedly arranged at the bottom of the fixing frame 2, two driving rings 5 are slidably arranged on the outer side of the connecting shaft 11, the two driving rings 5 are in running fit, a first end cover 3 is fixedly arranged at the top end and the bottom end of the connecting shaft 11, a second end cover 20 is rotatably connected to the inner part of the first end cover 3, and the first end cover 3 and the second end cover 20 are coaxially arranged with the connecting shaft 11;
further, an inner cylinder 15 is coaxially arranged at the bottom end of the connecting shaft 11, an outer cylinder 12 is rotatably connected to the outer side of the inner cylinder 15 through a one-way bearing, the outer cylinder 12 penetrates through the first end cover 3 and the second end cover 20 and is rotatably connected with the first end cover 3, a limiting component is arranged between the outer cylinder 12 and the second end cover 20, the connection or separation between the outer cylinder 12 and the second end cover 20 can be controlled through the limiting component, a driving component connected with the inner cylinder 15 is arranged on the connecting shaft 11, and the inner cylinder 15 can be driven to rotate relative to the connecting shaft 11 through the driving component, so that the outer cylinder 12 and the second end cover 20 are driven to synchronously rotate;
and a sheath 4 is arranged between the driving ring 5 and the second end cover 20, and two ends of the sheath 4 are respectively fixed with the inner end face of the second end cover 20 and the end face of the driving ring 5.
During actual use, a user holds the outer side of the sheath 4 to operate the whole device, when sweat is fully distributed on the outer side of the sheath 4 for a period of time, the driving ring 5 can be slid, so that the sheath 4 on one side of the driving ring 5 slides into the second end cover 20, the sheath 4 on the other side of the driving ring 5 is unfolded again and placed on the outer side of the connecting shaft 11, so that the user can hold the sheath, particularly as shown in fig. 5, the driving component on the connecting shaft 11 is operated to drive the inner cylinder 15 to rotate, the inner cylinder 15 drives the outer cylinder 12 to rotate through the one-way bearing, the outer cylinder 12 is connected with the second end cover 20 through the limiting component, the second end cover 20 can be driven to synchronously rotate in the rotating process of the outer cylinder 12, and at the moment, the sheath 4 on one side of the driving ring 5 is folded into the second end cover 20, so that the sheath 4 between the second end cover 20 and the driving ring 5 can be driven to rotate when the outer cylinder 12 is driven to rotate, and the sweat on the outer side of the sheath 4 can be thrown out under the action of centrifugal force, so that the device can be used next time.
As shown in fig. 4-8 and 10-14, the driving assembly includes a pressing block 10 slidably engaged with the connecting shaft 11, specifically, a groove is formed on an outer peripheral surface of the connecting shaft 11 along a diameter direction of the pressing block, the pressing block 10 is slidably disposed in the groove, the top end and the bottom end of the connecting shaft 11 are slidably connected with a sliding rod 17, one end of the sliding rod 17 away from the pressing block 10 penetrates through the connecting shaft 11 and penetrates through the inner cylinder 15, the sliding rod 17 is coaxially disposed with the connecting shaft 11, square holes are formed on the top end and the bottom end of the groove on the connecting shaft 11, a baffle 19 is slidably connected in the square holes, the sliding rod 17 penetrates through the baffle 19 and is fixedly connected with the baffle 19, a first spring 18 is sleeved outside the sliding rod 17, the first spring 18 is disposed between the baffle 19 and an end surface of the square hole, a notch for accommodating the sliding rod 17 is disposed on one side of the connecting shaft 11 near the groove, and the notch is communicated with the square hole, so that the sliding rod 17 can slide up and down relative to the connecting shaft 11.
Further, a pull rope 16 is disposed between the pressing block 10 and the sliding rod 17, specifically, notches are formed at the top and bottom of the pressing block 10, one end of the pull rope 16 is fixedly connected with the end face of the notch, the other end of the pull rope 16 is fixed with the end face of the sliding rod 17, and the pull rope 16 is slidably connected with the connecting shaft 11.
Further, a spiral groove 37 is formed on the inner wall of the inner cylinder 15, and a protrusion 38 is fixedly connected to the outer circumferential surface of the sliding rod 17, and the protrusion 38 is slidably disposed in the spiral groove 37.
The above-mentioned spacing subassembly includes the gag lever post 26 that slides and set up on second end cover 20, specifically, here second end cover 20's bottom part sets up to annular, has seted up spout 32 on its inboard perisporium, and gag lever post 26 then slides and set up in this spout 32, the one end fixedly connected with sealing block 27 that gag lever post 26 kept away from urceolus 12, sealing block 27 slides and sets up in spout 32 and with spout 32 sealing connection for sealing block 27 keeps away from between one side of gag lever post 26 and the spout 32 terminal surface, still fixedly connected with fixed block 24 in the spout 32, gag lever post 26 runs through fixed block 24 and with fixed block 24 sliding connection, is equipped with third spring 25 in the outside cover of gag lever post 26, and third spring 25 sets up between sealing block 27 and fixed block 24, evenly set up a plurality of spacing holes 34 that cooperate with gag lever post 26 on the outer periphery of urceolus 12.
Further, a side surface of the driving ring 5, which is close to the second end cover 20, faces outwards to form a positioning block 8, a side surface of the second end cover 20, which is close to the driving ring 5, is provided with a positioning groove 33 which is clamped with the positioning block 8, an air bag 14 is fixedly connected to the bottom surface of the inside of the positioning groove 33, the bottom end of the air bag 14 is connected with a flow guide pipe 21, one end of the flow guide pipe 21 is communicated with the air bag 14, so that gas in the air bag 14 can be extruded into the flow guide pipe 21, and the other end of the flow guide pipe 21 extends in the second end cover 20 and is communicated with the sealing cavity 28.
In actual use, when sweat is fully distributed on the outer side of one of the sheaths 4, the driving ring 5 can be driven to slide on the outer side of the connecting shaft 11, so that the sheath 4 on one side of the driving ring 5 is contained in the second end cover 20, the sheath 4 on the other side of the driving ring 5 is redeployed on the outer side of the connecting shaft 11, as shown in fig. 5-6, in the process, the driving ring 5 slides downwards, the positioning block 8 on the driving ring 5 is inserted into the positioning groove 33 on the end surface of the second end cover 20, connection between the second end cover 20 and the driving ring 5 is realized, the second end cover 20 and the driving ring 5 can synchronously rotate, and when the positioning block 8 is inserted into the positioning groove 33, the air bag 14 is extruded, so that air in the air bag 14 is extruded into the guide pipe 21, the air entering into the guide pipe 21 is conveyed into the sealing chamber 28 to push the sealing block 27 to slide towards the outer cylinder 12, the limiting rod 26 can be driven to move towards the outer cylinder 12 through the sealing block 27, and the limiting rod 26 and the outer circumferential surface 34 on the outer side of the outer cylinder 12 is clamped with the second end cover 20, so that the limiting rod is connected with the second end cover 20;
the pull rope 16 is pulled by inwards extruding the pressing block 10, so that the pull rope 16 pulls the slide bar 17, the slide bar 17 slides towards the pressing block 10, the slide bar 17 can synchronously drive the lug 38 to slide in the spiral groove 37 on the inner wall of the inner cylinder 15, the lug 38 can drive the inner cylinder 15 to rotate when moving upwards through the limit of the spiral groove 37, the inner cylinder 15 is connected with the outer cylinder 12 through a one-way bearing, the inner cylinder 15 can drive the outer cylinder 12 to rotate when rotating along one direction, the second end cover 20 and the driving ring 5 can be driven to synchronously rotate through the outer cylinder 12, so that the second end cover 20 and one of the driving rings 5 adjacent to the second end cover 20 can be driven to synchronously rotate through the cooperation of the driving component and the limit component, the folded sheath 4 in the second end cover 20 is driven to rotate, sweat on the sheath 4 is thrown out under the action of centrifugal force, when the pressing block 10 is loosened, the sliding rod 17 can be driven to reset through the first spring 18, so that the protruding block 38 slides in the spiral groove 37 in the opposite direction, and the inner cylinder 15 is driven to reversely rotate relative to the outer cylinder 12, because the outer cylinder 12 and the inner cylinder 15 are connected through the one-way bearing, when the inner cylinder 15 reversely rotates, the outer cylinder 12 cannot be driven to rotate, and when the pressing block 10 is pressed next time, the inner cylinder 15 and the outer cylinder 12 can be continuously driven to rotate, so that the inner cylinder 15 can continuously drive the outer cylinder 12 to rotate, the outer cylinder 12 is facilitated to obtain a faster rotating speed, the rotating speed of the driving ring 5 and the second end cover 20 adjacent to the driving ring 5 is improved, the sheath 4 has a larger centrifugal force, when the driving ring 5 needs to be removed, only the adjusting bolt needs to be rotated, the limiting post 7 is driven to move into the blind hole through the traction rope 30, the drive ring 5 can be separated from the first end cap 3 and then the drive ring 5 on the other side can be used by inserting it into the first end cap 3 on the same side.
The sheath 4 may be configured in a bellows shape, so that when the driving ring 5 is moved, the sheath 4 may be driven to fold and be stored in the second end cover 20, and the bellows shape is designed to be beneficial to improving the friction force during holding, so that the PDA body 1 can be held more stably, the hose can be used for design, and the sheath 4 is made of rubber material.
As shown in fig. 6-7, 10 and 12, when the driving ring 5 moves to the second end cover 20, in order to lock the driving ring, a limiting post 7 is slidably disposed on the outer side of the positioning block 8, specifically, a blind hole is formed on the outer side surface of the positioning block 8, the limiting post 7 is slidably disposed in the blind hole, a fourth spring 31 is disposed in the blind hole, two ends of the fourth spring 31 are respectively fixed with the end surface of the limiting post 7 and the end surface of the blind hole, an adjusting screw 6 is screwed on the driving ring 5, a traction rope 30 is disposed between the adjusting screw 6 and the limiting post 7, one end of the traction rope 30 is fixed with the end surface of the adjusting screw 6, and the other end of the traction rope 30 extends into the blind hole and is fixed with the end surface of the limiting post 7.
Further, a plurality of pressing grooves 35 and guiding grooves 36 are formed on the inner wall of the first end cover 3, wherein the number of the pressing grooves 35 is preferably two, specifically, the pressing grooves 35 and the guiding grooves 36 are staggered in the vertical direction, as shown in fig. 12, an expanding schematic view of the circumferential surface of the second end cover 20 is shown, the pressing grooves 35 are higher than the guiding grooves 36 in the vertical direction, the guiding grooves 36 and the pressing grooves 35 are in smooth transition, the pressing grooves 35 and the guiding grooves 36 are connected end to end on the inner wall of the first end cover 3 to form a circle, and the limiting columns 7 on the outer side of the positioning block 8 slide in the pressing grooves 35 and the guiding grooves 36.
In actual use, the driving ring 5 is held by hand to drive the driving ring 5 to slide to the second end cap 20, so that the positioning block 8 is inserted into the positioning groove 33, at this time, along with the insertion of the positioning block 8, the outer limit post 7 is gradually close to the guide groove 36 and finally inserted into the guide groove 36, so as to connect the driving ring 5 with the first end cap 3, thereby keeping the driving ring 5 stable, when the driving assembly drives the second end cap 20 and the driving ring 5 to rotate, the limit post 7 slides in the guide groove 36, when the limit posts 7 on both sides simultaneously rotate into the pressing groove 35, the driving ring 5 can be driven to slide in the vertical direction by the pressing of the pressing groove 35, and when the limit post 7 slides to the pressing groove 35, as illustrated in fig. 12, the driving ring 5 can be driven to slide upwards, and when the limit post 7 passes over the pressing groove 35 and returns to the guide groove 36 again, the driving ring 5 moves downwards, so that the driving ring 5 can move up and down in the rotating process by utilizing the structure, and in practical use, a plurality of through exhaust holes are formed on the first end cover 3 and the second end cover 20, so that when the driving ring 5 slides towards the second end cover 20, air in the second end cover 20 can be extruded, and when the driving ring 5 moves away from the second end cover 20, external air can be sucked into the second end cover 20, so that air flow in the second end cover 20 is accelerated, sweat on the sheath 4 is further air-dried, a large amount of air is extruded into the sealing chamber 28, and when the driving ring 5 moves up and down to drive the volume of the air bag 14 to change, sufficient pressure can be formed on the sealing block 27 through the air in the sealing chamber 28, so that the stop bar 26 mates with the stop aperture 34.
As shown in fig. 6, in order to fix the connecting shaft 11 to the first end cap 3, a supporting rod 13 is fixedly connected to the bottom surface of the first end cap 3, one end of the supporting rod 13 away from the first end cap 3 extends upwards along the axial direction of the sliding rod 17 and penetrates through the sliding rod 17 to be fixedly connected to the connecting shaft 11, specifically, a bar-shaped groove 22 penetrating through the sliding rod 17 is formed on the sliding rod 17, one end of the supporting rod 13 penetrates through the bar-shaped groove 22 to be fixedly connected to the connecting shaft 11, and the supporting rod 13 is slidably connected to the sliding rod 17.
As shown in fig. 6 and 8, in order to stably plug the limiting rod 26 into the limiting hole 34, an inserting rod 39 may be slidably connected to one end of the limiting rod 26, specifically, an inserting hole is formed at one end of the limiting rod 26 close to the outer cylinder 12, the inserting rod 39 slides into the inserting hole, a second spring 23 is disposed in the inserting hole, two ends of the second spring 23 are fixedly connected with the end face of the inserting hole and the inserting rod 39, when the limiting rod 26 is driven to slide towards the outer cylinder 12 by air pressure and the limiting rod 26 is dislocated with the limiting block, the inserting rod 39 is extruded into the inserting hole by the outer cylinder 12, and as the outer cylinder 12 rotates, the inserting rod 39 is gradually inserted into the limiting hole 34, so as to improve the stability of the cooperation between the limiting rod 26 and the outer cylinder 12.
As shown in fig. 9, for the rotatable connection of the two driving rings 5, an annular groove is formed on an end face of one driving ring 5, an annular protrusion 29 slidably engaged with the annular groove is fixedly connected to an end face of the other driving ring 5, the annular protrusion 29 is slidably disposed in the annular groove, and the cross-sectional shapes of the annular protrusion 29 and the annular groove are all T-shaped, so as to avoid the separation of the two driving rings 5.

Claims (10)

1. The utility model provides a PDA handle, includes the mount and sets up in the connecting axle of its bottom, its characterized in that: two driving rings are slidably arranged on the outer side of the connecting shaft, a first end cover is fixedly arranged at two ends of the connecting shaft, a second end cover is rotatably connected in the first end cover, a sheath is fixedly arranged between the driving ring and the second end cover on the same side, an inner cylinder is coaxially arranged at the bottom end of the connecting shaft, an outer cylinder is sleeved on the outer side of the inner cylinder, and the outer cylinder penetrates through the first end cover and the second end cover and is rotatably connected with the first end cover;
and a limiting component is arranged between the outer cylinder and the second end cover, a driving component connected with the inner cylinder is arranged on the connecting shaft, and when the driving ring is clamped with the second end cover, the limiting component connects the outer cylinder with the second end cover and drives the inner cylinder and the outer cylinder to synchronously rotate in one direction through the driving component.
2. A PDA handle according to claim 1, wherein: the outer side of the inner cylinder is fixedly sleeved with a one-way bearing, and the outer cylinder is fixedly arranged on the outer side of the one-way shaft sleeve.
3. A PDA handle according to claim 1, wherein: the driving assembly comprises a pressing block which is in sliding fit with the connecting shaft, a groove is formed in the outer peripheral surface of the connecting shaft along the diameter direction of the pressing block, the pressing block is slidably arranged in the groove, a sliding rod is slidably connected to the top end and the bottom end of the connecting shaft, one end of the sliding rod, which is far away from the pressing block, outwards penetrates out of the connecting shaft and penetrates through the inner cylinder, the sliding rod and the connecting shaft are coaxially arranged, square holes are formed in the top end and the bottom end of the groove, a baffle is slidably connected in the square holes, the sliding rod penetrates through the baffle and is fixedly connected with the baffle, a first spring is sleeved on the outer side of the sliding rod and is arranged between the baffle and the end surface of the square holes, a pull rope is fixedly arranged between the pressing block and the sliding rod, a spiral groove is formed in the inner wall of the inner cylinder, and a lug which is slidably matched with the spiral groove is fixedly connected to the outer peripheral surface of the sliding rod.
4. A PDA handle according to claim 3, wherein: the limiting component comprises a limiting rod which is arranged on the second end cover in a sliding mode, a sliding groove is formed in the second end cover, the limiting rod is arranged in the sliding groove in a sliding mode, one end, far away from the outer barrel, of the limiting rod is fixedly connected with a sealing block, the sealing block is arranged in the sliding groove in a sliding mode, a sealing cavity is formed between one side, far away from the limiting rod, of the sealing block and the end face of the sliding groove, a fixing block is fixedly connected in the sliding groove, the limiting rod penetrates through the fixing block and is in sliding connection with the fixing block, a third spring is sleeved between the sealing block and the fixing block in the outer side of the limiting rod, a plurality of limiting holes matched with the limiting rod are evenly formed in the outer side peripheral face of the outer barrel, one side, close to the second end cover, of the driving ring faces outwards protruding to form a positioning block, a positioning groove which is clamped with the positioning block is formed in a side face, of the second end cover, an air bag is fixedly connected to the inner bottom face of the positioning groove, and a flow guiding pipe is arranged between the air bag and the sealing cavity.
5. A PDA handle according to claim 4, wherein: the blind hole is formed in the outer side face of the positioning block, a limit column is arranged in the blind hole in a sliding mode, a fourth spring is arranged at one end of the limit column in the blind hole, a plurality of pressing grooves and guide grooves which are communicated with each other are formed in the periphery of the inner wall of the first end cover, the pressing grooves and the guide grooves are staggered in the vertical direction, the guide grooves and the pressing grooves are in smooth transition, and the limit column slides in the pressing grooves and the guide grooves.
6. A PDA handle according to claim 5, wherein: the driving ring is connected with an adjusting screw in a threaded manner, and a traction rope is fixedly arranged between the adjusting screw and the limiting column.
7. A PDA handle according to claim 3, wherein: the bottom surface fixedly connected with branch of first end cover, the one end that branch kept away from first end cover upwards extends along the axis direction of slide bar and wears out slide bar and connecting axle fixed connection, branch and slide bar sliding connection.
8. A PDA handle according to claim 1, wherein: an annular groove is formed in the end face of one driving ring, an annular protrusion which is in sliding fit with the annular groove is fixedly connected to the end face of the other driving ring, the annular protrusion is arranged in the annular groove in a sliding mode, and the cross sections of the annular protrusion and the annular groove are T-shaped.
9. A PDA handle according to claim 3, wherein: the first end cover and the second end cover are both coaxially arranged with the connecting shaft.
10. A PDA device having a bar code reading function using a PDA handle as claimed in any one of claims 1 to 9, characterized in that: the PDA fixing frame is provided with a PDA body, and one end of the PDA body is provided with an acquisition scanning head.
CN202310201294.3A 2023-03-06 2023-03-06 PDA handle and PDA device with bar code reading function Active CN116066707B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310201294.3A CN116066707B (en) 2023-03-06 2023-03-06 PDA handle and PDA device with bar code reading function

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Application Number Priority Date Filing Date Title
CN202310201294.3A CN116066707B (en) 2023-03-06 2023-03-06 PDA handle and PDA device with bar code reading function

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CN116066707B true CN116066707B (en) 2023-06-23

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1447253A (en) * 2003-02-20 2003-10-08 潘婕 Multifunction PDA
CN208519458U (en) * 2018-06-25 2019-02-19 红河迪信科技有限公司 A kind of clamp device of the high-end camera of adjustable intelligence
CN209444994U (en) * 2019-01-03 2019-09-27 东莞市华源晟五金制品有限公司 Facilitate the calculating machine support of installation
CN213582111U (en) * 2020-11-12 2021-06-29 苏州摩比信通智能系统有限公司 PDA handle and PDA equipment
CN214311752U (en) * 2020-12-29 2021-09-28 绍兴源通信息技术有限公司 Bar code PDA scanning device with anti-disengaging structure
CN217736720U (en) * 2022-05-30 2022-11-04 天津津鋆科技有限公司 Health monitoring device

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