CN112153199A - Self-locking positioning type mobile phone support based on ratchet clamping - Google Patents
Self-locking positioning type mobile phone support based on ratchet clamping Download PDFInfo
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- CN112153199A CN112153199A CN202010822049.0A CN202010822049A CN112153199A CN 112153199 A CN112153199 A CN 112153199A CN 202010822049 A CN202010822049 A CN 202010822049A CN 112153199 A CN112153199 A CN 112153199A
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- clamping
- mobile phone
- ratchet
- self
- bearing block
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
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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
- 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
Abstract
The invention discloses a self-locking positioning type mobile phone support based on ratchet clamping, which comprises an inner support and two symmetrically arranged clamping rods, wherein each clamping rod is an L-shaped clamping rod comprising a transverse support arm and a vertical clamping arm, the two transverse support arms are respectively inserted into the inner support from the left side and the right side, a clamping tension spring is connected between the two transverse support arms, an intermediate gear is arranged on the inner support in a penetrating manner, a straight rack is formed at the end part of each transverse support arm, the intermediate gear is positioned between the two straight racks, a ratchet wheel is arranged at the bottom of the intermediate gear, a swing arm is arranged at the bottom of the inner support, a first end of the swing arm is rotatably connected with the inner support, a second end of the swing arm extends towards the side part of the ratchet wheel, a buckle protruding outwards is formed at the side part of the swing arm, and a locking spring for driving the. The invention can be self-locked at a corresponding position after being opened, and automatically carries out clamping action after being triggered, thereby being convenient to use and easy to operate.
Description
Technical Field
The invention relates to a mobile phone support, in particular to a self-locking positioning type mobile phone support based on ratchet clamping.
Background
The mobile phone support is a device which is arranged on a desktop, an automobile center console and the like and is used for clamping and supporting a mobile phone. Among the current cell phone stand, it generally sets up clamping bar mechanism in cell phone stand's both sides, connect through the extension spring between two clamping bar mechanisms, borrow by the elastic tension who applies of extension spring, order about two clamping bar mechanisms and draw close each other, and then play the clamping action to the cell-phone, however, in operation process, need the user to break off two clamping bar mechanisms manually and keep opening the state, pack into between two clamping bar mechanisms until the cell-phone, because lack and open self-locking function, lead to comparatively troublesome in the use, it is inconvenient in the operation and use, user experience is not good.
Disclosure of Invention
The invention aims to solve the technical problem of providing a self-locking positioning type mobile phone support based on ratchet clamping, which can be self-locked at a corresponding position after being opened and can automatically perform clamping action after being triggered, so that the mobile phone support is convenient to use and easy to operate.
In order to solve the technical problems, the invention adopts the following technical scheme.
A self-locking positioning type mobile phone support based on ratchet clamping comprises an inner support and two symmetrically arranged clamping rods, wherein each clamping rod is an L-shaped clamping rod comprising a transverse support arm and a vertical clamping arm, the two transverse support arms are respectively inserted into the inner support from the left side and the right side and are in sliding connection with the inner support, a clamping tension spring is connected between the two transverse support arms, an intermediate gear penetrates through the inner support, a straight rack is formed at the end part of each transverse support arm, the intermediate gear is positioned between the two straight racks and is meshed with the intermediate gear, a ratchet wheel is arranged at the bottom of the intermediate gear, a swing arm is arranged at the bottom of the inner support, a first end of the swing arm is rotatably connected with the inner support, a second end of the swing arm extends towards the side part of the ratchet wheel, and a buckle protruding outwards is formed at the side part of the swing arm, a locking spring for driving the swing arm to swing towards the ratchet wheel direction is arranged between the swing arm and the inner support; when the two clamping rods are pulled outwards, the middle gear and the ratchet wheel are driven to rotate through the two straight racks, and when the two clamping rods are stopped being pulled, the buckle is driven to be clamped in the ratchet of the ratchet wheel through the elastic force exerted by the locking spring, so that the two clamping rods are positioned at corresponding positions; when external force drives the swing arm to swing outwards, the buckle is separated from the ratchet of the ratchet wheel, and the two clamping rods are driven to approach each other and perform clamping action by means of elastic tension applied by the clamping tension spring.
Preferably, the middle of the inner bracket is raised upwards to form a convex cap, side openings are respectively formed in two sides of the convex cap, the intermediate gear is located on the inner side of the convex cap, and two sides of the intermediate gear are respectively located in the two side openings.
Preferably, a central shaft is formed at the inner side of the convex cap, and the intermediate gear is sleeved on the central shaft and is in rotational connection with the central shaft.
Preferably, the diameter of the ratchet wheel is larger than the diameter of the intermediate gear.
Preferably, two clamping tension springs are connected between the two transverse support arms, and the two clamping tension springs are respectively arranged on two sides of the transverse support arms.
Preferably, a clamping mechanism for clamping the automobile air outlet grid is formed at the bottom of the bottom shell.
Preferably, the clamping mechanism comprises a screw rod, a bearing block, two clamping jaws and a lock nut, wherein support frames are respectively formed on two sides of the bearing block, the screw rod penetrates through the bearing block, a transverse shaft penetrates through the lower end of the screw rod, two hinged parts are formed on the inner side of the upper end of each clamping jaw, two ends of the transverse shaft respectively penetrate through the hinged parts of the two clamping jaws, an inclined plane is formed at the top of each clamping jaw, the inclined plane gradually inclines downwards from the outer side to the inner side of each clamping jaw, the inclined plane is aligned with the bottom of the bearing block, the lock nut is positioned above the bearing block, the lock nut is sleeved on the screw rod, and the screw rod and the lock nut are screwed with each; the upper end surface of the bearing block is provided with upper teeth which are distributed annularly, the screw rod is sleeved with a pressing ring, the pressing ring is positioned between the locking nut and the bearing block, the lower end surface of the pressing ring is provided with lower teeth which are distributed annularly, and the upper teeth and the lower teeth are aligned with each other; when the locking nut is screwed upwards, the locking nut is separated from the pressure ring, and the supporting position of the supporting frame is adjusted by rotating the bearing block; when the locking nut is screwed downwards, the locking nut applies pressure to the pressing ring and the bearing block, the upper teeth and the lower teeth are clamped mutually, and the bearing block and the inclined plane are matched to drive the two clamping jaws to perform clamping action.
Preferably, the top of the bearing block is provided with an accommodating notch, the upper teeth are located at the bottom of the accommodating notch, and the pressing ring is arranged in the accommodating notch.
Preferably, the accommodating recess is a circular recess, and the pressing ring is a circular pressing ring.
Preferably, an elastic piece for driving the two clamping jaws to open is clamped between the two clamping jaws.
In the self-locking positioning type mobile phone bracket based on ratchet clamping, when a user needs to clamp a mobile phone, the two clamping rods can be manually driven to open, and simultaneously the elastic tension applied by the clamping tension springs is overcome, in the process that the clamping rod is opened outwards, the middle gear and the ratchet wheel are driven to rotate through the two spur racks, so that the ratchet wheel slides relative to the buckle, when the two clamping rods are opened to corresponding positions, the elastic force exerted by the locking spring drives the buckle to be clamped in the ratchet of the ratchet wheel, so that the two clamping rods are positioned, the mobile phone can be arranged between the two clamping rods, then the swing arm is driven to swing outwards by applying external force, the buckle is driven to be separated from the ratchet of the ratchet wheel, and at the moment, the two clamping rods are driven to approach each other and perform clamping action by elastic tension applied by the clamping tension spring. Based on the action principle, the mobile phone holder can be self-locked at the corresponding position after the two clamping rods are opened, and automatically performs clamping action after being triggered, so that the mobile phone holder is convenient to use and operate by a user, and greatly improves user experience and product performance, therefore, the mobile phone holder is suitable for being popularized and applied in mobile phone holder products and has a better application prospect.
Drawings
FIG. 1 is a perspective view of a self-locking positioning type mobile phone holder clamping a mobile phone;
FIG. 2 is a side view of the self-locking positioning type handset support after clamping a handset;
FIG. 3 is a perspective view of a self-locking positioning type handset support;
FIG. 4 is a first exploded view of the self-locking positioning type mobile phone support;
FIG. 5 is a partial structural view of a self-locking positioning type mobile phone support;
FIG. 6 is a second exploded view of the self-locking positioning type mobile phone support;
FIG. 7 is a partially exploded view of a self-locking positioning type mobile phone support;
FIG. 8 is a partially exploded view of a self-locking positioning type mobile phone support;
FIG. 9 is a perspective view of the roller type clamping bar mechanism;
FIG. 10 is a first exploded view of the roller-type clamping bar mechanism;
FIG. 11 is a second exploded view of the roller-type clamping bar mechanism;
FIG. 12 is a perspective view of the clamping mechanism;
FIG. 13 is an exploded view of the clamping mechanism;
FIG. 14 is a cross-sectional view of the clamping mechanism;
fig. 15 is a view showing a structure of the carrier block and the pressure ring.
Detailed Description
The invention is described in more detail below with reference to the figures and examples.
Example one
The embodiment provides a self-locking positioning type mobile phone support based on ratchet clamping, which is shown in fig. 1 to 15 and comprises an inner support 14 and two symmetrically arranged clamping rods 2, wherein each clamping rod 2 is an L-shaped clamping rod comprising a transverse support arm 20 and a vertical clamping arm 21, the two transverse support arms 20 are respectively inserted into the inner support 14 from the left side and the right side, the transverse support arms 20 are slidably connected with the inner support 14, a clamping tension spring 201 is connected between the two transverse support arms 20, an intermediate gear 144 penetrates through the inner support 14, a spur rack 200 is formed at the end part of each transverse support arm 20, the intermediate gear 144 is positioned between the two spur racks 200, the two spur racks 200 are respectively meshed with the intermediate gear 144, a ratchet wheel 145 is arranged at the bottom of the intermediate gear 144, a swing arm 146 is arranged at the bottom of the inner support 14, and a first end of the swing arm 146 is rotatably connected with the inner support 14, the second end of the swing arm 146 extends to the side of the ratchet wheel 145, a buckle 147 protruding outwards is formed at the side of the swing arm 146, and a locking spring 148 for driving the swing arm 146 to swing towards the ratchet wheel 145 is arranged between the swing arm 146 and the inner bracket 14;
when the two clamping bars 2 are pulled outwards, the intermediate gear 144 and the ratchet wheel 145 are driven to rotate through the two spur racks 200, and when the two clamping bars 2 are stopped being pulled, the buckle 147 is driven to be clamped in the ratchet teeth of the ratchet wheel 145 by means of the elastic force exerted by the locking spring 148, so that the two clamping bars 2 are positioned at corresponding positions;
when the swing arm 146 is driven by external force to swing outwards, the buckle 147 is separated from the ratchet of the ratchet wheel 145, and the two clamping rods 2 are driven to approach each other by the elastic tension applied by the clamping tension spring 201 to perform clamping action.
In the structure, when a user needs to clamp the mobile phone, the two clamping rods 2 can be manually driven to open, and simultaneously the elastic tension applied by the clamping tension spring 201 is overcome, during the outward opening of the clamping bar 2, the intermediate gear 144 and the ratchet wheel 145 are driven to rotate by the two spur racks 200, so that the ratchet wheel 145 slides relative to the buckle 147, when the two clamping bars 2 are opened to the corresponding positions, the locking spring 148 applies elastic force to drive the buckle 147 to be engaged with the ratchet teeth of the ratchet wheel 145, further, the two clamping rods 2 are positioned, and the mobile phone 100 can be arranged between the two clamping rods 2, then, the swing arm 146 is driven to swing outwards by applying an external force, so that the buckle 147 is driven to be separated from the ratchet teeth of the ratchet wheel 145, and at the moment, the two clamping rods 2 are driven to approach each other and perform a clamping action by the elastic tension applied by the clamping tension spring 201. Based on the action principle, the mobile phone support can be self-locked at the corresponding position after the two clamping rods 2 are opened, and automatically perform clamping action after being triggered, so that the mobile phone support is convenient to use and operate by a user, and the user experience and the product performance are greatly improved, therefore, the mobile phone support is suitable for being popularized and applied in mobile phone support products, and has a better application prospect.
In order to apply force to the swing arm 146, in this embodiment, the first end of the swing arm 146 is formed with an outward extending L-shaped pressing arm 149, the L-shaped pressing arm 149 and the swing arm 146 form a "Z" shaped structure, and the swing arm 146 is driven to swing outward by pressing the L-shaped pressing arm 149.
In order to mount the swing arm 146 on the inner bracket 14 and enable the swing arm 146 to swing, in this embodiment, a swing arm shaft 150 is formed at the bottom of the inner bracket 14, a swing arm bushing 151 is formed at a first end of the swing arm 146, and the swing arm bushing 151 is sleeved on the swing arm 146 and is rotatably connected with the swing arm 146.
Preferably, the locking spring 148 is a compression spring, a first spring abutting block 152 is formed at a side portion of the swing arm 146, a second spring abutting block 153 is formed at a bottom portion of the inner bracket 14, and the locking spring 148 is sandwiched between the first spring abutting block 152 and the second spring abutting block 153. The present embodiment can better apply elastic pressure to the swing arm 146 using a compression spring.
In order to be able to cooperate with the spur rack 200 above the inner rack 14, in this embodiment, the middle of the inner rack 14 is raised upward to form a convex cap 155, two sides of the convex cap 155 are respectively opened with a side opening 154, the intermediate gear 144 is located inside the convex cap 155, and two sides of the intermediate gear 144 are respectively located inside the two side openings 154.
Preferably, a central shaft 156 is formed inside the convex cap 155, and the intermediate gear 144 is sleeved on the central shaft 156 and is rotatably connected with the central shaft 156.
In order to ensure that the latch 147 is securely engaged with the ratchet wheel 145 and can bear a large stress, in this embodiment, the diameter of the ratchet wheel 145 is larger than that of the intermediate gear 144.
In order to drive the two transverse support arms 20 to stably slide, in the embodiment, two clamping tension springs 201 are connected between the two transverse support arms 20, and the two clamping tension springs 201 are respectively arranged on two sides of the transverse support arms 20.
Preferably, the present embodiment includes a bottom shell 13, the inner bracket 14 is fixedly connected to the bottom shell 13, a key 130 is inserted into the bottom shell 13, the key 130 abuts against an end of the L-shaped pressing arm 149, and the L-shaped pressing arm 149 is pressed by pressing the key 130.
Further, an annular enclosing plate 131 is disposed on the bottom case 13, the annular enclosing plate 131 surrounds the bottom case 13, and the annular enclosing plate 131 is sandwiched between the inner bracket 14 and the bottom case 13.
In order to position the annular enclosing plate 131, in this embodiment, a plurality of positioning blocks 134 are formed on an inner wall of the annular enclosing plate 131, a plurality of positioning bayonets 135 are formed at an edge of the inner bracket 14, the positioning blocks 134 are aligned with the positioning bayonets 135 one by one, and the positioning blocks 134 are clamped in the positioning bayonets 135.
In order to facilitate installation and fixation of the wireless charging module, in this embodiment, a face frame 132 is disposed at the top of the inner bracket 14, a plurality of vertical hooks 133 are formed at the bottom of the face frame 132, the vertical hooks 133 penetrate through the inner bracket 14, and the vertical hooks 133 are hooked on the bottom of the inner bracket 14.
Further, a wireless charging module 136 is fixed on the face frame 132, a face shell 137 is fixed on the top of the face frame 132, and the face shell 137 covers the wireless charging module 136.
In the present embodiment, as shown in fig. 12 to 15, a clamping mechanism 6 for clamping the grille of the air outlet of the automobile is formed at the bottom of the bottom case 13.
Further, the clamping mechanism 6 includes a screw 60, a bearing block 61, two clamping jaws 62 and a lock nut 63, wherein two sides of the bearing block 61 are respectively formed with a support frame 610, the screw 60 passes through the bearing block 61, a cross shaft 64 passes through the lower end of the screw 60, two hinge parts 620 are formed on the inner side of the upper end of the clamping jaw 62, two ends of the cross shaft 64 respectively pass through the hinge parts 620 of the two clamping jaws 62, a slope 621 is formed on the top of the clamping jaw 62, the slope 621 gradually inclines from the outer side to the inner side of the clamping jaw 62, the slope 621 is aligned with the bottom of the bearing block 61, the lock nut 63 is located above the bearing block 61, the lock nut 63 is sleeved on the screw 60 and the two are mutually screwed;
the upper end surface of the bearing block 61 is provided with upper teeth 611 distributed annularly, the screw 60 is sleeved with a pressing ring 65, the pressing ring 65 is positioned between the locking nut 63 and the bearing block 61, the lower end surface of the pressing ring 65 is provided with lower teeth 650 distributed annularly, and the upper teeth 611 and the lower teeth 650 are aligned with each other;
when the locking nut 63 is screwed upwards, the locking nut 63 is separated from the pressing ring 65, and the supporting position of the supporting frame 610 is adjusted by rotating the bearing block 61;
when the locking nut 63 is screwed downwards, the locking nut 63 applies pressure to the pressing ring 65 and the bearing block 61, the upper teeth 611 and the lower teeth 650 are clamped with each other, and the two clamping jaws 62 are driven to perform clamping action by the matching of the bearing block 61 and the inclined surface 621.
In the structure, when the mobile phone support is clamped, the locking nut 63 is firstly unscrewed upwards, and the bearing block 61 can flexibly rotate at the moment, so that the two clamping jaws 62 can be firstly aligned to the grid of the air outlet, then the support frame 610 is rotated to a proper position outside the air outlet, then the locking nut 63 is screwed downwards, and the grid is clamped by the two clamping jaws 62 through the thrust applied to the two clamping jaws 62 by the bearing block 61. Compared with the prior art, the clamping mechanism can flexibly adjust the position of the support frame according to the shape of the air outlet, so that various types of air outlet grids are matched, and the requirements of users and the market demand are well met.
In order to make the overall structure of the clamping mechanism more compact, in this embodiment, the top of the bearing block 61 is provided with an accommodating recess 612, the upper teeth 611 are located at the bottom of the accommodating recess 612, and the pressing ring 65 is disposed in the accommodating recess 612.
Preferably, the receiving recess 612 is a circular recess, and the pressing ring 65 is a circular pressing ring.
In order to assist in urging the two jaws 62 to open, in the present embodiment, an elastic member 66 for urging the two jaws 62 to open is interposed between the two jaws 62.
Further, the elastic member 66 is a torsion spring sleeved on the lateral shaft 64.
In order to protect the automobile air outlet grid, in this embodiment, a soft rubber pad 622 is embedded inside the clamping jaw 62.
In order to facilitate the application of the torque by the user, in the present embodiment, a plurality of striking portions 630 protruding outward are formed at the side of the lock nut 63.
In this embodiment, it is preferable that the pressing ring 65 is limited on the screw 60, and in order to avoid rotation of the pressing ring 65, in this embodiment, a cut surface 600 is formed on a side portion of the screw 60, a limiting portion 651 is formed on an inner side of the pressing ring 65, and the limiting portion 651 and the cut surface 600 are abutted to each other.
Example two
In practical application, in order to stably and reliably clamp a mobile phone, clamping rods of a mobile phone support are generally set to be of an L-shaped structure, elastic tension is applied to the two clamping rods to drive the two clamping rods to clamp the mobile phone, on the basis, in order to prevent the mobile phone from slipping out from the two clamping rods, a rubber pad is generally arranged on the inner side of each clamping rod, although the rubber pad can improve friction force with the side portion of the mobile phone, the stress intensity is limited, the mobile phone cannot be tightly fixed, particularly, the situation that the mobile phone slips out and the like still occurs in a vehicle-mounted environment, and therefore user needs and market demands are difficult to meet.
To this, this embodiment provides one kind can increase the block power between clamping bar and the cell-phone, can the centre gripping cell-phone better, can effectively prevent the cell-phone landing to conveniently pack into and take out the cell phone stand's of cell-phone roller type clamping bar mechanism, combine fig. 9 to 11 to show, including clamping bar 2, clamping bar 2 is "L" shape clamping bar including horizontal support arm 20 and vertical arm lock 21, the inboard of vertical arm lock 21 is equipped with can wobbling pendulum piece 212, it dodges mouth 218 to be equipped with the gyro wheel on the pendulum piece 212, the gyro wheel dodges mouth 218 internal fixation has gyro wheel bearing axle 219, the cover is equipped with gyro wheel 216 and the two rotation connection on gyro wheel bearing axle 219, gyro wheel 216 to the outside protrusion of mouth 218 is dodged to the gyro wheel.
In the mechanism, the swing block 212 is arranged on the inner side of the vertical clamping arm 21, the roller 216 is arranged on the swing block 212, when a user puts in or takes out the mobile phone 100, the mobile phone can be more easily taken out and put in under the action of external force applied by the user and based on rolling fit between the mobile phone and the roller, after the mobile phone is clamped, the roller 216 plays a limiting role on the mobile phone 100 by utilizing clamping fit between the roller 216 and the mobile phone 100, so that the mobile phone is prevented from sliding out, the mobile phone can be more stably and reliably clamped by the mobile phone support, and user needs and market needs are better met.
In order to enable the swing block 212 to swing, in this embodiment, two swing shaft seats 210 are formed on the inner side of the vertical clamping arm 21, a swing shaft 211 penetrates between the two swing shaft seats 210, and the swing shaft 211 penetrates through the swing block 212 and is rotatably connected with the swing block 212.
Further, the pendulum shaft 211 is sleeved with a torsion spring 213, two ends of the torsion spring 213 are respectively abutted to the vertical clamping arm 21 and the pendulum block 212, and the pendulum block 212 is driven to swing outwards by the elasticity applied by the torsion spring 213.
In the structure, the swinging block 212 capable of swinging is arranged on the inner side of the vertical clamping arm 21 of the clamping rod 2, the torsion spring 213 is sleeved on the swinging shaft 211, and the swinging block 212 is driven to swing outwards and is tightly abutted against the side part of the mobile phone by the elasticity applied by the torsion spring 213.
Preferably, the roller 216 is a shuttle roller.
In this embodiment, the two swing shaft seats 210 are both close to the upper end of the vertical clamping arm 21.
In order to better engage and restrain the mobile phone, in this embodiment, the roller avoiding opening 218 is close to the upper end of the swing block 212.
As a preferable mode, a clamping groove 214 is formed on the swing block 212, and a smooth rubber pad 215 is fixed in the clamping groove 214. Wherein, the smooth rubber mat 215 can be better adhered to the mobile phone 100.
Preferably, the smooth rubber pad 215 is located below the roller 216.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the technical scope of the present invention should be included in the scope of the present invention.
Claims (10)
1. The self-locking positioning type mobile phone support based on ratchet clamping is characterized by comprising an inner support (14) and two symmetrically arranged clamping rods (2), wherein each clamping rod (2) is an L-shaped clamping rod comprising a transverse support arm (20) and a vertical clamping arm (21), the two transverse support arms (20) are respectively inserted into the inner support (14) from the left side and the right side, the transverse support arms (20) are in sliding connection with the inner support (14), a clamping tension spring (201) is connected between the two transverse support arms (20), an intermediate gear (144) penetrates through the inner support (14), straight racks (200) are formed at the end parts of the transverse support arms (20), the intermediate gear (144) is positioned between the two straight racks (200), the two straight racks (200) are both meshed with the intermediate gear (144), and a ratchet wheel (145) is arranged at the bottom of the intermediate gear (144), a swing arm (146) is arranged at the bottom of the inner support (14), a first end of the swing arm (146) is rotatably connected with the inner support (14), a second end of the swing arm (146) extends to the side of the ratchet wheel (145), a buckle (147) protruding outwards is formed at the side of the swing arm (146), and a locking spring (148) for driving the swing arm (146) to swing towards the direction of the ratchet wheel (145) is arranged between the swing arm (146) and the inner support (14);
when the two clamping rods (2) are pulled outwards, the middle gear (144) and the ratchet wheel (145) are driven to rotate through the two straight racks (200), and when the two clamping rods (2) are stopped being pulled, the buckle (147) is driven to be clamped in the ratchet teeth of the ratchet wheel (145) by means of the elastic force exerted by the locking spring (148), so that the two clamping rods (2) are positioned at corresponding positions;
when the swing arm (146) is driven by external force to swing outwards, the buckle (147) is separated from the ratchet of the ratchet wheel (145), and the two clamping rods (2) are driven to approach each other and perform clamping action by means of elastic tension applied by the clamping tension spring (201).
2. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 1, wherein the middle of the inner support (14) is raised upwards to form a convex cap (155), two sides of the convex cap (155) are respectively opened with a side opening (154), the middle gear (144) is positioned inside the convex cap (155), and two sides of the middle gear (144) are respectively positioned inside two side openings (154).
3. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 2, wherein a central shaft (156) is formed on the inner side of the convex cap (155), and the intermediate gear (144) is sleeved on the central shaft (156) and is rotatably connected with the central shaft.
4. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 1, wherein the diameter of the ratchet wheel (145) is larger than that of the intermediate gear (144).
5. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 1, wherein two clamping tension springs (201) are connected between the two transverse support arms (20), and the two clamping tension springs (201) are respectively arranged at two sides of the transverse support arms (20).
6. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 1, wherein a clamping mechanism (6) for clamping the automobile air outlet grid is formed at the bottom of the bottom shell (13).
7. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 6, wherein the clamping mechanism (6) comprises a screw rod (60), a bearing block (61), two clamping jaws (62) and a locking nut (63), wherein two sides of the bearing block (61) are respectively formed with a support frame (610), the screw rod (60) passes through the bearing block (61), a transverse shaft (64) is arranged at the lower end of the screw rod (60) in a penetrating manner, two hinged parts (620) are formed at the inner side of the upper end of the clamping jaw (62), two ends of the transverse shaft (64) respectively pass through the hinged parts (620) of the two clamping jaws (62), a slope (621) is formed at the top of the clamping jaw (62), the slope (621) gradually inclines downwards from the outer side to the inner side of the clamping jaw (62), and the slope (621) is aligned with the bottom of the bearing block (61), the locking nut (63) is positioned above the bearing block (61), the locking nut (63) is sleeved on the screw rod (60) and is screwed with the screw rod (60);
the upper end face of the bearing block (61) is provided with upper teeth (611) which are distributed annularly, the screw rod (60) is sleeved with a pressing ring (65), the pressing ring (65) is positioned between the locking nut (63) and the bearing block (61), the lower end face of the pressing ring (65) is provided with lower teeth (650) which are distributed annularly, and the upper teeth (611) and the lower teeth (650) are aligned with each other;
when the locking nut (63) is screwed upwards, the locking nut (63) is separated from the pressing ring (65), and the supporting position of the supporting frame (610) is adjusted by rotating the bearing block (61);
when screwing locking nut (63) down, locking nut (63) are right clamping ring (65) with bearing block (61) applys pressure, go up tooth (611) with tooth (650) chucking each other down, borrow by bearing block (61) with the cooperation of inclined plane (621) drives two clamping jaws (62) and carries out the clamping action.
8. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 7, wherein a receiving recess (612) is formed in the top of the bearing block (61), the upper teeth (611) are located at the bottom of the receiving recess (612), and the pressing ring (65) is arranged in the receiving recess (612).
9. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 8, wherein the accommodating notch (612) is a circular notch, and the press ring (65) is a circular press ring.
10. The self-locking positioning type mobile phone support based on ratchet clamping as claimed in claim 9, wherein an elastic member (66) for driving the two clamping jaws (62) to open is clamped between the two clamping jaws (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822049.0A CN112153199A (en) | 2020-08-15 | 2020-08-15 | Self-locking positioning type mobile phone support based on ratchet clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822049.0A CN112153199A (en) | 2020-08-15 | 2020-08-15 | Self-locking positioning type mobile phone support based on ratchet clamping |
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| CN112153199A true CN112153199A (en) | 2020-12-29 |
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| CN202010822049.0A Pending CN112153199A (en) | 2020-08-15 | 2020-08-15 | Self-locking positioning type mobile phone support based on ratchet clamping |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146283A (en) * | 2021-03-02 | 2021-07-23 | 中国船舶重工集团公司第七一六研究所 | Automatic clamping and rotating device for cylindrical workpiece |
| CN113977858A (en) * | 2021-12-23 | 2022-01-28 | 龙口国美塑业有限公司 | Injection molding piece feeding equipment for LED miner's lamp |
| CN114473914A (en) * | 2022-02-28 | 2022-05-13 | 华能平凉发电有限责任公司 | Fixed fixture with netted steel sheet |
-
2020
- 2020-08-15 CN CN202010822049.0A patent/CN112153199A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146283A (en) * | 2021-03-02 | 2021-07-23 | 中国船舶重工集团公司第七一六研究所 | Automatic clamping and rotating device for cylindrical workpiece |
| CN113977858A (en) * | 2021-12-23 | 2022-01-28 | 龙口国美塑业有限公司 | Injection molding piece feeding equipment for LED miner's lamp |
| CN113977858B (en) * | 2021-12-23 | 2022-03-18 | 龙口国美塑业有限公司 | Injection molding piece feeding equipment for LED miner's lamp |
| CN114473914A (en) * | 2022-02-28 | 2022-05-13 | 华能平凉发电有限责任公司 | Fixed fixture with netted steel sheet |
| CN114473914B (en) * | 2022-02-28 | 2024-04-05 | 华能平凉发电有限责任公司 | Fixed fixture with netted steel sheet |
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