CN220754853U

CN220754853U - Mobile phone bracket

Info

Publication number: CN220754853U
Application number: CN202321176364.6U
Authority: CN
Inventors: 凌燕虾
Original assignee: Huizhou Xinbaoxin Hardware Products Co ltd
Current assignee: Huizhou Xinbaoxin Hardware Products Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2024-04-09
Anticipated expiration: 2033-05-15

Abstract

The utility model aims to provide a mobile phone support, which comprises a reversing assembly and a clamping assembly, wherein the reversing assembly comprises a base, a supporting plate, a screwing rod and two clamping plates, the base is used for being fixed on a handlebar, glass beads are arranged on the base and the supporting plate, rubber rings are sleeved on the outer side wall of any glass bead, the screwing rod is in threaded connection with one clamping plate, the screwing rod is in rotary connection with the other clamping plate, when the screwing rod is used for rotating to enable the two clamping plates to be close to each other, the two clamping plates jointly clamp each glass bead, the two clamping plates jointly clamp each rubber ring, the clamping assembly comprises a material carrying plate and a plurality of limiting wheels, the material carrying plate is arranged on the supporting plate, part of the limiting wheels are arranged on the material carrying plate in a sliding mode, and the rest limiting wheels are arranged on the material carrying plate in a surrounding mode to form a clamping area. Therefore, the friction force between the clamping plate and the glass beads can be increased, and the structure is more stable, so that the device can adapt to the use environment of frequent jolting and vibration.

Description

Mobile phone bracket

Technical Field

The utility model relates to the field of mobile phone fixing tools, in particular to a mobile phone support.

Background

The mobile phone support is a tool for fixing a mobile phone so as to release hands of a user. The basic functions of the mobile phone support include fixing the mobile phone and rotating a certain angle according to the requirement of a user, so that the convenience of the user in using the mobile phone is improved.

With the rising of riding activities, such as riding a bicycle or a motorcycle, the mobile phone needs to be fixed for facilitating navigation by using the mobile phone, so that a mobile phone bracket fixed on a handlebar is generated.

Because riding road conditions can appear violently jolting road conditions, and common rotating structure (the structure that is arranged in adjusting the mobile phone screen orientation angle) in the present cell phone stand is mutually supported for glass bead wheel and glass bead board, specifically, has offered the glass bead hole that can hold partial glass bead wheel on the glass bead board, thereby adjusts the position of glass bead board for the glass bead wheel through loosening the clamping force of glass bead board to glass bead wheel, and then realizes adjusting the orientation of cell-phone. However, the above glass bead rotating structure is easy to loosen after being used for a period of time, because the contact position between the glass bead plate and the glass bead wheel is worn and tends to be in a smooth state under the action of long-time vibration, the mobile phone cannot be reliably clamped, and the glass bead rotating structure is difficult to be suitable for use in a use environment with complex riding road conditions. Therefore, in order to solve this technical problem, a mobile phone holder of the present application is proposed.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a mobile phone support capable of effectively improving clamping stability.

The aim of the utility model is realized by the following technical scheme:

a cell phone stand, comprising:

the reversing assembly comprises a base, a supporting plate, a screwing rod and two clamping plates, wherein the base is used for being fixed on a handlebar, glass beads are arranged on the base and the supporting plate, rubber rings are sleeved on the outer side wall of any one glass bead, the screwing rod is in threaded connection with one clamping plate, the screwing rod is in rotary connection with the other clamping plate, and when the screwing rod is used for rotating to enable the two clamping plates to approach each other, the two clamping plates clamp each glass bead together, and the two clamping plates clamp each rubber ring together; and

The clamping assembly comprises a material carrying plate and a plurality of limiting wheels, wherein the material carrying plate is arranged on the supporting plate, part of the limiting wheels are rotated and arranged on the material carrying plate, and the rest of the limiting wheels are arranged on the material carrying plate in a sliding manner, so that each limiting wheel is surrounded on the material carrying plate to form a clamping area.

Optionally, the reversing assembly further comprises a jacking spring, the jacking spring is sleeved on the screwing rod, and the jacking spring is respectively abutted with the two clamping plates.

Optionally, a limiting hole is formed at two ends of the clamping plate, so that a part of the structure of the glass bead is accommodated in the limiting hole.

Optionally, the clamping assembly further includes a plurality of supporting screws, each supporting screw is penetrating through the supporting plate, each supporting screw is in threaded connection with the material carrying plate, a plurality of rubber rings are sleeved on any supporting screw, and each rubber ring is located between the supporting plate and the material carrying plate.

Optionally, the clamping assembly further comprises a sliding plate and a first spring, the sliding plate is slidably arranged on the material carrying plate, two ends of the first spring are respectively abutted to the sliding plate and the material carrying plate, the first spring is used for pushing the sliding plate to slide towards a direction close to the clamping area, and at least one limiting wheel is rotatably arranged on the sliding plate.

Optionally, the clamping assembly further comprises a guide screw and two guide wheels, wherein the two guide wheels are respectively rotatably arranged on the material carrying plate, the two guide wheels are respectively abutted against two sides of the sliding plate, a guide groove is formed in the sliding plate, the guide screw is arranged on the material carrying plate, the guide screw is positioned in the guide groove, and the first spring is respectively abutted against the inner side wall of the guide groove and the guide screw.

Optionally, the clamping assembly further comprises a clamping block, a guide rod and a second spring, wherein the guide rod penetrates through the material carrying plate, the clamping block is arranged at one end of the guide rod, the second spring is sleeved on the guide rod and is respectively in butt joint with the material carrying plate and the guide rod, the second spring is used for pushing the guide rod, so that the clamping block has a trend of approaching to the clamping area, and at least one limiting wheel is rotated and arranged on the clamping block.

Optionally, a buckling groove is formed in the buckling clamp block.

Optionally, a wireless charging plate is arranged on the material carrying plate.

Optionally, the base includes decides the semi-ring, moves the semi-ring and the fixed screw, the glass pearl is located decide the semi-ring is last, move the semi-ring with decide the semi-ring phase and hinge, the fixed screw with move the semi-ring rotation and be connected, just the fixed screw with decide the semi-ring spiro union, the fixed screw is used for rotating in order to drive move the semi-ring is close to when deciding the semi-ring, so that move the semi-ring with decide the semi-ring common clamp handlebar.

Compared with the prior art, the utility model has at least the following advantages:

the utility model discloses a mobile phone support, which comprises a reversing assembly and a clamping assembly, wherein the reversing assembly comprises a base, a supporting plate, a screwing rod and two clamping plates, the base is used for being fixed on a handlebar, glass beads are arranged on the base and the supporting plate, rubber rings are sleeved on the outer side wall of any glass bead, the screwing rod is in threaded connection with one clamping plate, the screwing rod is in rotary connection with the other clamping plate, when the two clamping plates are mutually close, the two clamping plates jointly clamp each glass bead, the two clamping plates jointly clamp each rubber ring, the clamping assembly comprises a material carrying plate and a plurality of limiting wheels, the material carrying plate is arranged on the supporting plate, part of the limiting wheels are rotationally arranged on the material carrying plate, and the rest of the limiting wheels are slidingly arranged on the material carrying plate, so that each limiting wheel encloses a clamping area on the material carrying plate. So, through suit rubber ring on the glass bead for when two splint press from both sides the glass bead, can compress tightly the rubber ring simultaneously, can increase the frictional force between splint and the glass bead, have stronger stability, thereby can adapt to the operational environment of frequent jolt vibrations.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a mobile phone holder according to an embodiment of the utility model;

FIG. 2 is a schematic view of a portion of a clamping assembly according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of the clamping assembly shown in fig. 2.

Reference numerals illustrate:

10. a mobile phone bracket; 100. a reversing assembly; 200. a clamping assembly; 110. a base; 120. a support plate; 130. screwing the rod; 140. a clamping plate; 150. glass beads; 160. a rubber ring; 170. a holding spring; 210. a material carrying plate; 220. a limiting wheel; 230. a support screw; 240. a rubber ring; 111. a half ring is fixed; 112. a movable half ring; 113. a set screw; 114. a soft rubber ring; 141. a limiting hole; 251. a slide plate; 252. a first spring; 253. a guide screw; 254. a guide wheel; 261. buckling the clamping blocks; 262. a guide rod; 263. a second spring; 270. a wireless charging pad; 2511. a guide groove; 2611. a buckling groove.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

As shown in fig. 1, a mobile phone support 10 includes a reversing assembly 100 and a clamping assembly 200, the reversing assembly 100 includes a base 110, a support plate 120, a screwing rod 130 and two clamping plates 140, the base 110 is used for being fixed on a handlebar, beads 150 are respectively disposed on the base 110 and the support plate 120, rubber rings 160 are respectively sleeved on the outer side walls of any one of the beads 150, the screwing rod 130 is in screwed connection with one clamping plate 140, the screwing rod 130 is rotationally connected with the other clamping plate 140, when the screwing rod 130 is used for rotating to enable the two clamping plates 140 to approach each other, the two clamping plates 140 jointly clamp each bead 150, and the two clamping plates 140 jointly clamp each rubber ring 160, the clamping assembly 200 includes a carrier plate 210 and a plurality of limiting wheels 220, the carrier plate 210 is disposed on the support plate 120, part of the limiting wheels 220 are rotationally disposed on the carrier plate 210, and the rest of the limiting wheels 220 are slidingly disposed on the carrier plate 210, so that each limiting wheel 220 forms a clamping area on the carrier plate 210.

It should be noted that, the clamping area is used for placing a mobile phone (other electronic products, such as a tablet computer, etc.). The reversing assembly 100 is configured to be mounted on a handlebar, the clamping assembly 200 is configured to secure a mobile phone, and the clamping assembly 200 is mounted on the reversing assembly 100, such that the clamping assembly 200 is capable of bending or rotating relative to the handlebar via the reversing assembly 100. Specifically, the base 110 is fixedly mounted on the handlebar, and the beads 150 are mounted on both the base 110 and the support plate 120. Further, rubber rings 160 are sleeved on both glass beads 150. Further, the two clamping plates 140 are in a parallel structure, a certain interval is arranged between the two clamping plates 140, and then the two clamping plates 140 are utilized to clamp the two beads 150 together, wherein the two beads 150 are respectively positioned at two ends of the clamping plates 140. Further, the tightening rod 130 passes through one of the clamping plates 140 and is then screwed with the other clamping plate 140, so that the two clamping plates 140 can be driven to approach each other or separate from each other as the tightening rod 130 rotates. When the two clamping plates 140 are close to each other, the two beads 150 are clamped and fixed by the two clamping plates 140. It should be noted that since the rubber ring 160 is fitted over the bead 150, the rubber ring 160 is also clamped by the two clamping plates 140. So, compare in traditional structure of only centre gripping glass bead, this application through suit a rubber ring 160 on glass bead 150, can increase the frictional force between splint 140 and the glass bead 150, even be applied to the road section of jolting frequently, appear long-time vibrations, also can guarantee the stability between splint 140 and the glass bead 150. Further, the loading plate 210 is mounted on the supporting plate 120, a part of each limiting wheel 220 is rotatably mounted on the loading plate 210, and the rest part is slidably mounted with respect to the loading plate 210, so that the size of the clamping area enclosed between each limiting wheel 220 can be adjusted. In this way, when the mobile phone is placed in the clamping area, the mobile phone can be clamped and fixed by the limiting wheels 220 together.

In one embodiment, the outer peripheral wall of the glass bead 150 is provided with a groove, and the rubber ring 160 is sleeved in the groove. In this way, sufficient stability is ensured between the rubber ring 160 and the beads 150.

As shown in fig. 1, in an embodiment, the reversing assembly 100 further includes a supporting spring 170, the supporting spring 170 is sleeved on the tightening rod 130, and the supporting spring 170 is respectively abutted against the two clamping plates 140.

It should be noted that, under the pushing action of the pushing spring 170, the two clamping plates 140 have a tendency to move away from each other to release the clamping bead 150 in a natural state. In this manner, position adjustment of the clamping assembly 200 is facilitated. Specifically, when the position and direction of the clamping assembly 200 relative to the handlebar need to be adjusted, the tightening rod 130 is rotated to release the two clamping plates 140, and the two clamping plates 140 are pushed by the supporting spring 170 to be separated, so that the clamping assembly 200 is convenient to adjust the position, and the mobile phone is clamped and fixed by the clamping assembly 200, so that the mobile phone is convenient to adjust the position.

In one embodiment, as shown in fig. 1, two ends of the clamping plate 140 are provided with a limiting hole 141, so that a part of the structure of the glass bead 150 is accommodated in the limiting hole 141.

It should be noted that, since the clamping plate 140 can rotate relative to the glass bead 150, in order to position the glass bead 150, the clamping plate 140 is provided with the limiting hole 141, so that a part of the structure of the glass bead 150 is located in the limiting hole 141. In this way, two limiting holes 141 disposed opposite to each other on the two clamping plates 140 are used to limit one of the beads 150.

As shown in fig. 1, in an embodiment, the clamping assembly 200 further includes a plurality of support screws 230, each support screw 230 is disposed through the support plate 120, each support screw 230 is screwed with the material carrying plate 210, a plurality of rubber rings 240 are sleeved on any support screw 230, and each rubber ring 240 is disposed between the support plate 120 and the material carrying plate 210.

It should be noted that, since a portion of the limiting wheel 220 needs to be slidably mounted on the carrier plate 210, and a side surface of the carrier plate 210 away from the support plate 120 is used for clamping the mobile phone, the carrier plate 210 is disposed at a certain interval with the support plate 120, so that the sliding structure of the portion of the limiting wheel 220 is located in the interval between the carrier plate 210 and the support plate 120. Further, in order to improve the vibration-proof performance of the loading plate 210, each supporting screw 230 is sleeved with a plurality of rubber rings 240, and when the supporting screw 230 fixes and screws the supporting plate 120 to the loading plate 210, each rubber ring 240 is pressed, so that the loading plate 210 has a certain elastic buffering performance relative to the supporting plate 120.

As shown in fig. 1 and 2, in an embodiment, the clamping assembly 200 further includes a sliding plate 251 and a first spring 252, the sliding plate 251 is slidably disposed on the carrier plate 210, two ends of the first spring 252 are respectively abutted against the sliding plate 251 and the carrier plate 210, the first spring 252 is used for pushing the sliding plate 251 to slide in a direction approaching to the clamping area, and at least one limiting wheel 220 is rotatably disposed on the sliding plate 251.

It should be noted that, in order to smoothly drive the limiting wheel 220 of the portion to slide relative to the carrier plate 210, a sliding plate 251 is slidably mounted on the bottom surface of the carrier plate 210, and then the first spring 252 is mounted in a structure that two ends of the first spring are respectively abutted against the sliding plate 251 and the carrier plate 210, so that under the elastic force of the first spring 252, the sliding plate 251 has a tendency to slide close to the clamping area, and the portion of the limiting wheel 220 in the sliding state is rotatably mounted on the sliding plate 251, and the portion of the limiting wheel 220 driven by the sliding plate 251 slides close to the clamping area. It should be noted that, because the mobile phone is basically in a square structure, each of the limiting wheels 220 is divided into four groups, so that the four groups of limiting wheels 220 respectively push against four sides of the mobile phone to clamp and fix the mobile phone. And the sliding plate 251 is used for driving one group of limiting wheels 220 to slide to approach the clamping area.

As shown in fig. 2, in an embodiment, the clamping assembly 200 further includes a guide screw 253 and two guide wheels 254, the two guide wheels 254 are respectively rotatably disposed on the material loading plate 210, the two guide wheels 254 are respectively abutted against two sides of the sliding plate 251, the sliding plate 251 is provided with a guide slot 2511, the guide screw 253 is disposed on the material loading plate 210, the guide screw 253 is disposed in the guide slot 2511, and the first spring 252 is respectively abutted against an inner side wall of the guide slot 2511 and the guide screw 253.

In order to stably slide the slide plate 251 with respect to the carrier plate 210. Two guide wheels 254 are thus mounted on the carrier plate 210 such that the two guide wheels 254 enclose a sliding zone for sliding the slide plate 251. Further, in order to further improve the sliding stability of the sliding plate 251, the material loading plate 210 is further provided with a guiding screw 253, and the sliding plate 251 is provided with a guiding slot 2511, such that the guiding screw 253 passes through the guiding slot 2511. As such, when the slide plate 251 slides relative to the carrier plate 210, the guide screw 253 slides along the guide groove 2511. Further, the first spring 252 abuts against the inner sidewall of the guide slot 2511 and the guide screw 253, respectively, so that the sliding plate 251 has a tendency to slide close to the clamping area.

As shown in fig. 1 to 3, in an embodiment, the clamping assembly 200 further includes a clamping block 261, a guide rod 262 and a second spring 263, the guide rod 262 is disposed through the carrier plate 210, the clamping block 261 is disposed at one end of the guide rod 262, the second spring 263 is sleeved on the guide rod 262, and the second spring 263 abuts against the carrier plate 210 and the guide rod 262 respectively, the second spring 263 is used for pushing the guide rod 262, so that the clamping block 261 has a tendency to approach to the clamping area, and at least one limiting wheel 220 is rotatably disposed on the clamping block 261.

The mobile phone is securely clamped by the limiting wheels 220. One of the two sets of spacing wheels 220, which are mounted in any opposing relationship, needs to be set in a sliding condition. In order to facilitate clamping and loosening of the mobile phone, the guide rod 262 is installed in the material carrying plate 210 in a penetrating and sliding manner, the buckling and clamping block 261 is fixedly installed on one end of the guide rod 262, the second spring 263 is sleeved on the guide rod 262, and the second spring 263 is respectively abutted with the guide rod 262 and the material carrying plate 210. In this way, under the elastic thrust of the second spring 263, the buckling and clamping block 261 is close to the clamping area, so that the limiting wheel 220 rotatably installed on the buckling and clamping block 261 is close to the clamping area, and the mobile phone is clamped and fixed.

In one embodiment, as shown in fig. 2, a fastening groove 2611 is formed on the fastening block 261. It should be noted that, through the fastening groove 2611, the user can apply a pulling force to the fastening block 261, so that the fastening block 261 is pulled away from the clamping area, and the mobile phone can be placed in the clamping area or taken out from the clamping area.

As shown in fig. 1, in an embodiment, a wireless charging board 270 is disposed on the carrier board 210. In order to facilitate charging a mobile phone with a wireless charging function, a wireless charging board 270 is mounted on the carrier board 210, and the wireless charging board 270 is located in the clamping area.

In one embodiment, as shown in fig. 1, the base 110 includes a fixed half ring 111, a movable half ring 112 and a fixing screw 113, the glass bead 150 is located on the fixed half ring 111, the movable half ring 112 is hinged to the fixed half ring 111, the fixing screw 113 is rotatably connected to the movable half ring 112, and the fixing screw 113 is screwed to the fixed half ring 111, and the fixing screw 113 is used for rotating to drive the movable half ring 112 to approach the fixed half ring 111 so that the movable half ring 112 and the fixed half ring 111 clamp the handlebar together.

It should be noted that, in order to make the mobile phone support 10 of the present application detachable with respect to the handle bar position. The base 110 is thus configured such that the movable half ring 112 is fastened to the stationary half ring 111. Specifically, the fixed half ring 111 and the movable half ring 112 are both in a semicircular structure, and one end of the movable half ring 112 is hinged with one end of the fixed half ring 111 through a shaft pin. The fixed screw 113 passes through the movable half ring 112 to realize rotational connection, and when the fixed screw 113 is screwed with the fixed half ring 111, the movable half ring 112 and the fixed half ring 111 can be driven to be close to each other to narrow, so that the handlebar can be firmly clamped.

Further, as shown in fig. 1, in an embodiment, a soft rubber ring 114 is further disposed between the fixed half ring 111 and the movable half ring 112. In this way, the soft rubber ring 114 is clamped by the handle bar and the fixed half ring 111/the movable half ring 112, so that the mobile phone bracket 10 is stably and reliably fixed on the handle bar, and friction noise and abrasion caused by vibration are avoided.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A cell phone stand, characterized in that includes:

2. The mobile phone holder according to claim 1, wherein the reversing assembly further comprises a holding spring, the holding spring is sleeved on the screwing rod, and the holding spring is respectively abutted against the two clamping plates.

3. The mobile phone holder according to claim 1, wherein a limiting hole is formed at both ends of the clamping plate, so that a part of the structure of the glass bead is accommodated in the limiting hole.

4. The mobile phone bracket according to claim 1, wherein the clamping assembly further comprises a plurality of supporting screws, each supporting screw penetrates through the supporting plate, each supporting screw is in threaded connection with the material carrying plate, a plurality of rubber rings are sleeved on any supporting screw, and each rubber ring is located between the supporting plate and the material carrying plate.

5. The mobile phone bracket according to claim 1, wherein the clamping assembly further comprises a sliding plate and a first spring, the sliding plate is slidably arranged on the material carrying plate, two ends of the first spring are respectively abutted against the sliding plate and the material carrying plate, the first spring is used for pushing the sliding plate to slide in a direction close to the clamping area, and at least one limit wheel is rotatably arranged on the sliding plate.

6. The mobile phone holder according to claim 5, wherein the clamping assembly further comprises a guide screw and two guide wheels, the two guide wheels are respectively rotatably arranged on the material carrying plate, the two guide wheels are respectively abutted against two sides of the sliding plate, a guide groove is formed in the sliding plate, the guide screw is arranged on the material carrying plate, the guide screw is positioned in the guide groove, and the first spring is respectively abutted against the inner side wall of the guide groove and the guide screw.

7. The mobile phone holder according to claim 5, wherein the clamping assembly further comprises a clip block, a guide rod and a second spring, the guide rod is arranged on one end of the guide rod in a penetrating manner, the second spring is sleeved on the guide rod and is respectively abutted to the guide rod and the carrier rod, the second spring is used for pushing the guide rod, so that the clip block has a trend of approaching the clamping area, and at least one limit wheel is rotatably arranged on the clip block.

8. The mobile phone holder of claim 7, wherein the clip block is provided with a slot.

9. The mobile phone holder of claim 1, wherein the carrier plate is provided with a wireless charging pad.

10. The mobile phone bracket according to claim 1, wherein the base comprises a fixed semi-ring, a movable semi-ring and a fixing screw, the glass bead is located on the fixed semi-ring, the movable semi-ring is hinged to the fixed semi-ring, the fixing screw is rotatably connected with the movable semi-ring, the fixing screw is in threaded connection with the fixed semi-ring, and the fixing screw is used for rotating to drive the movable semi-ring to be close to the fixed semi-ring, so that the movable semi-ring and the fixed semi-ring clamp a handlebar together.