CN112954143B - Camera telescoping device, camera assembly and electronic equipment - Google Patents

Abstract

The application relates to a camera telescopic device, a camera assembly and electronic equipment. The camera telescopic device includes a push rod, a transmission component and a base. Wherein, the first end of the push rod is used for connecting with the camera bracket, and the first end of the transmission part is connected with the second end of the push rod. The base includes a first limit part and a second limit part, the push rod can drive the transmission part to cooperate with the first limit part, so that the camera bracket is in an extended state, and the push rod can drive the transmission part to cooperate with the second limit part , so that the camera bracket is retracted. The camera telescopic device, camera assembly and electronic equipment provided by the present application eliminates components such as stepper motors and transmissions, reduces the complexity of the structure, reduces noise, and improves user experience. Moreover, the camera telescopic device provided by the present application can manually control the telescopic extension of the camera bracket, which is easy to implement and has a low cost.

Description

Camera extension device, camera assembly and electronic equipment

technical field

The present application relates to the technical field of electronic products, and in particular, to a camera telescopic device, a camera assembly and electronic equipment.

Background technique

With the continuous enrichment and improvement of functions of electronic devices such as mobile phones and tablet computers, the camera function has become an indispensable part of electronic devices, and the pursuit of large screens is also increasing.

In order to realize a full screen of an electronic device, a retractable front camera is usually provided in the prior art, so as to prevent the camera from occupying space on the screen. The retractable front camera is connected with the lifting mechanism provided in the electronic device. Usually, the lifting mechanism includes mechanical components such as a stepping motor, a gearbox, and a lead screw assembly. The stepping motor drives the lead screw assembly to move, thereby driving the camera to expand and contract.

However, during the working process of the lifting mechanism, the rotation of the motor, the power transmission of the gearbox and the screw nut will all generate noise, resulting in a poor user experience.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a camera telescopic device, a camera assembly and an electronic device, which can reduce noise and improve user experience.

The above-mentioned objects and other objects are achieved by the features of the independent claims. Further implementations are embodied in the dependent claims, the description and the drawings.

In a first aspect, a camera telescopic device is provided, including:

a push rod, the first end of the push rod is used to connect with the camera bracket;

a transmission part, the first end of the transmission part is connected with the second end of the push rod;

a base, including a first limit portion and a second limit portion;

The push rod can drive the transmission part to cooperate with the first limiting part, so that the camera bracket is in an extended state;

The push rod can drive the transmission member to cooperate with the second limiting portion, so that the camera bracket is in a retracted state.

The push rod is arranged to drive the transmission part, so that the transmission part can cooperate with the first limit part or the second limit part of the base to realize the extended and retracted state of the camera bracket, and the structure is simple and the noise is low.

In a possible implementation manner, the transmission component includes a first transmission member;

the first transmission member includes a cam;

One side of the cam is provided with an end surface;

The base includes a sleeve, and the first limiting portion is disposed on the inner wall of the first end of the sleeve;

The push rod can drive the first transmission member to move until the end surface is matched with the first limiting portion, so that the camera bracket is in an extended state.

By setting the first transmission member as a cam, the cam includes an end face, and the end face and the inner wall of the sleeve of the base are used to limit the position of the camera head in the extended state.

In a possible implementation manner, the first transmission member further includes a connecting rod;

The first end of the connecting rod is connected with the second end of the push rod as the first end of the transmission part; the second end of the connecting rod is connected with the cam.

By setting the connecting rod, it is beneficial to set the extension stroke of the camera bracket, and the length of the connecting rod can be designed according to the actual needs, so as to obtain the required extension stroke.

In a possible implementation manner, the base includes a receiving groove;

When the camera bracket is in the extended state, at least part of the connecting rod is located in the accommodating groove.

In a possible implementation manner, the transmission component includes a second transmission member; the second transmission member includes a second mating surface;

The inner wall of the sleeve is provided with a limiting rib, and the second limiting portion is provided at one end of the limiting rib;

The push rod can drive the first transmission member and the second transmission member to move until the second limiting portion abuts against the second mating surface, so that the camera bracket is in a retracted state.

By arranging the second transmission member, the second transmission member includes a second mating surface, and the position limit of the camera head in the retracted state is realized by using the second mating surface and the limiting rib in the sleeve to limit the position.

In a possible implementation, the cam includes a first mating surface and a first chute;

the second transmission member includes a second chute;

When the first mating surface and the second mating surface are matched in the first position, the first chute and the second chute are aligned; the first mating surface and the second mating surface are at the second When the positions are matched, the first chute and the second chute are not aligned;

After the first chute and the second chute are aligned, the limiting rib can slide relative to the second chute and the first chute until the end surface is in contact with the first limit. Parts are matched so that the camera bracket is in an extended state;

After the second chute is disengaged from the limiting rib, the second mating surface can slide relative to the first mating surface, so that the first chute and the second chute are not aligned until all the The second matching surface is in contact with the second limiting portion, so that the camera bracket is in a retracted state.

The transition between the extended state and the retracted state is realized through the sliding cooperation of the first sliding groove and the second sliding groove with the limit ribs in the aligned state and the non-aligned state.

In a possible implementation manner, the cam includes a first protrusion and a connecting plate, the first protrusion is connected to the connecting rod through the connecting plate, and the first mating surface is formed on the first protrusion.

By arranging the first bump and the connecting plate, the first mating surface is formed on the first bump, which can make the structure of the cam more lightweight. The first bumps can be multiple, arranged around the connecting plate, and cooperate with the second transmission member The transmission is more stable and reliable.

In a possible implementation manner, both the first matching surface and the second matching surface are helical curved surfaces.

Both the first matching surface and the second matching surface are helical curved surfaces, so that the first matching surface and the second matching surface can maintain a continuous and smooth relative movement without jamming.

In a possible implementation manner, the second transmission member includes a limit wall;

When the camera bracket is in the extended state, one side wall of the limiting rib is separated from the limiting wall;

When the camera bracket is in a retracted state, one side wall of the limiting rib abuts against the limiting wall.

When the camera bracket is in the retracted state, one side wall of the limiting rib is in contact with the limiting wall, so that the position of the second transmission member is restricted after the second transmission member is rotated relative to the first transmission member by a certain angle.

In a possible implementation manner, the first protrusion includes an avoidance groove for avoiding the limiting wall of the second transmission member.

In a possible implementation manner, the second transmission member includes an intermediate shaft and a second protrusion, the second protrusions are arranged at intervals along the circumference of the intermediate shaft; the adjacent second protrusions The second chute is formed between;

Both the limiting wall and the second mating surface are formed on the second bump.

In a possible implementation, the transmission component further includes:

a first elastic member, the first elastic member is elastically supported on the inner side of the second transmission member and the second end of the sleeve; the first elastic member can drive the second transmission member to the camera bracket to move in the extending direction of the cam, so that the end face of the cam can abut against the first limiting portion.

No matter whether the camera bracket is in the retracted state or the extended state, the first elastic member is in the compressed state. When the camera bracket is converted from the retracted state to the extended state, under the action of the elastic force of the first elastic member, the first transmission The component and the second transmission move toward the first end of the sleeve to realize the extension of the camera bracket. When the end face of the cam is in contact with the first limiting portion, the first elastic member can also ensure that the camera bracket 2 is stably maintained in the extended position.

In a possible implementation manner, the sleeve includes a blocking member, which is blocked at the second end of the sleeve;

The first elastic member is supported between the second transmission member and the blocking member.

By providing the blocking member, the assembly of the first transmission member and the second transmission member is facilitated.

In a possible implementation, the blocking member includes a blocking body and a first guide post;

The blocking body is blocked on the second end of the sleeve, and the first guide post is connected to the side of the blocking body facing the first end of the sleeve;

The first elastic member is sleeved on the first guide post.

By fitting the first elastic member to the first guide post, the first elastic member is limited and guided, so that the first elastic member will not be offset, thereby improving the supportability of the first elastic member to the second transmission member. stability.

In a possible implementation manner, the camera telescopic device further includes a second elastic member abutting between the base and the push rod.

By arranging the second elastic member, the push rod and the first transmission member can be effectively prevented from slipping out, thereby improving the stability of the whole device.

In a possible implementation manner, the base includes an accommodating cavity, and at least part of one end of the second elastic member is disposed in the accommodating cavity;

The push rod has a second guide post, and at least part of the other end of the second elastic member is sleeved on the second guide post.

The arrangement of the second guide post can prevent the second elastic member from shifting when it moves with the push rod.

In a second aspect, a camera assembly is provided, including a camera bracket and a camera, the camera is mounted on the camera bracket, the camera assembly further includes the camera telescopic device described in any one of the above, and the camera bracket is connected to the first end of the push rod.

In a third aspect, an electronic device is provided, including a housing, the electronic device further comprising the above-mentioned camera assembly, and the base is connected to the housing.

The technical solution provided by this application can achieve the following beneficial effects:

The camera telescopic device, the camera assembly and the electronic equipment provided by this application cancel the stepper motor and transmission and other components, and realize the camera bracket by setting the cooperation between the transmission component and the first limit part and the second limit part of the base. The extension and retraction of the structure reduces the complexity of the structure, reduces the noise, and improves the user experience. Moreover, the camera telescopic device provided by the present application can manually control the telescopic extension of the camera bracket, which is easy to implement and has a low cost.

It should be understood that the foregoing general description and the following detailed description are exemplary only and do not limit the application.

Description of drawings

1 is a schematic diagram of a camera telescopic device provided in an embodiment of the present application in an extended state;

2 is a schematic diagram of a retracted state of a camera telescopic device provided by an embodiment of the present application;

FIG. 3 is an exploded schematic diagram of a camera telescopic device provided by an embodiment of the present application;

Fig. 4 is the structural representation of push rod;

Fig. 5 is the structural representation of the base;

Figure 6 is a front view of a partially cutaway base;

7 is a schematic structural diagram of a first transmission member of the transmission component;

FIG. 8 is a front view of the structure of the first transmission member of the transmission component;

9 is a schematic structural diagram of a second transmission member;

10 is an exploded schematic view of the cooperation of the first transmission member and the second transmission member;

Fig. 11 is a state diagram of the first transmission member and the second transmission member when they are matched in the first position;

Fig. 12 is a state diagram of the first transmission member and the second transmission member when they are matched in the second position;

Figure 13 is a schematic structural diagram of a blocking member;

14 is a schematic diagram of a retracted state of a camera telescopic device in an electronic device provided by an embodiment of the present application;

FIG. 15 is a schematic diagram of a camera telescopic device in an extended state in an electronic device provided by an embodiment of the present application.

Reference number:

10 - Electronic equipment;

1- base;

11 - sleeve;

111 - the first limit part;

112-blocking piece;

112a - plugging body;

112b - the first guide post;

113-Limiting ribs;

113a - the second limit part;

113b - side wall;

12-accommodating slot;

13-accommodating cavity;

14- The first fixing hole;

15-Second fixing hole;

2- camera bracket;

21-The third fixing hole;

3- Transmission parts;

31 - the first transmission part;

311 - connecting rod;

312-cam;

312a - end face;

312b - the first bump;

312b1 - the first mating surface;

312b2 - avoidance slot;

312c - the first chute;

312d - even plate;

32 - the second transmission part;

321 - the second bump;

321a - limit wall;

321b - the second mating surface;

322 - Intermediate shaft;

323 - the second chute;

33 - the first elastic part;

4 - putter;

41 - the first connecting arm;

411-connection hole;

42 - the second connecting arm;

43-Second guide post;

5- The second elastic part.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.

Detailed ways

The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. As used in the embodiments of this application and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" used in this document is only an association relationship to describe the associated objects, indicating that there may be three kinds of relationships, for example, A and/or B, which may indicate that A exists alone, and A and B exist at the same time. B, there are three cases of B alone. In addition, the character "/" in this document generally indicates that the related objects are an "or" relationship.

It should be noted that the directional words such as "up", "down", "left", and "right" described in the embodiments of the present application are described from the angles shown in the drawings, and should not be construed as implementing the present application. Example limitation. Also, in this context, it should also be understood that when an element is referred to as being "on" or "under" another element, it can not only be directly connected "on" or "under" the other element, but also Indirectly connected "on" or "under" another element through intervening elements.

In order to realize the full screen of the electronic device, the electronic device in the prior art is usually provided with a retractable camera, especially a front camera, so that the space of the screen can not be occupied.

The front camera is usually installed on the camera bracket, and the camera bracket is connected with the lifting mechanism in the electronic device to achieve the effect of the camera being retractable. The lifting mechanism in the prior art uses a stepping motor to drive the camera bracket to achieve telescopic motion. However, the rotation of the motor, the power transmission of the gearbox and the lead screw assembly will all generate noise, resulting in poor user experience, and the lifting mechanism There are many parts and complex structures, resulting in high cost of electronic equipment.

In view of this, embodiments of the present application provide a camera telescopic device, a camera assembly, and an electronic device, which can solve the above technical problems.

An embodiment of the present application provides an electronic device, and the electronic device may be a mobile phone, a tablet computer, a notebook, or the like. For electronic devices, in order to install a camera without opening a hole on the screen to achieve a full screen, the electronic device is usually provided with a retractable camera assembly. When it is necessary to take pictures or take pictures, the camera head can be extended from the electronic equipment under the driving of the driving device; when it is not necessary to take pictures or pictures, the camera head can be retracted into the electronic equipment under the driving of the driving device, so as not to occupy the space of the screen .

The electronic device includes a casing and a camera assembly, and the camera assembly is mounted on the casing.

An embodiment of the present application further provides a camera assembly, including a camera bracket and a camera, the camera is installed between the cameras, the camera assembly further includes a camera telescopic device, and the camera telescopic device is connected to the camera bracket to drive the camera bracket to expand and contract, and then Drive the camera to extend and retract.

FIG. 1 is a schematic diagram of a camera telescopic device provided by an embodiment of the application in an extended state, FIG. 2 is a schematic diagram of a camera telescopic device provided by an embodiment of the application in a retracted state, and FIG. 3 is a schematic diagram of the camera telescopic device provided by the embodiment of the application An exploded view of the camera telescopic device. 1 and 2 are views of the base 1 of the camera telescopic device in a partially cut-away state. As shown in FIGS. 1 to 3 , an embodiment of the present application provides a camera telescopic device, including a push rod 4, Transmission part 3 and base 1.

The first end of the push rod 4 is used to connect with the camera bracket 2 , and the expansion and contraction of the camera bracket 2 can drive the push rod 4 to move up and down along the telescopic direction of the camera bracket 2 .

FIG. 4 is a schematic structural diagram of a push rod. Referring to FIG. 4 , the push rod 4 may include a first connecting arm 41 and a second connecting arm 42 that are connected to each other. The first connecting arm 41 is provided with a connecting hole 411 , and the connecting hole 411 is matched with the connecting piece and can be used as the first end of the push rod 4 to be connected to the camera bracket 2 . In this embodiment, the connecting member is a screw, which is matched with the connecting hole 411 .

The first end of the transmission part 3 is connected with the second end of the push rod 4. Referring to FIG. 1, FIG. 2 and FIG. The transmission part 3 is connected.

FIG. 5 is a schematic view of the structure of the base, and FIG. 6 is a front view of a partially cut-away base. Referring to FIGS. 1 , 2 , 5 and 6 , the base 1 includes a first limiting portion 111 and a second limiting portion 113a, The first limiting portion 111 and the second limiting portion 113a can limit the stroke of the camera bracket 2, so that the camera bracket 2 is in an extended state and a retracted state, respectively.

Specifically, the push rod 4 can drive the transmission member 3 to cooperate with the first limiting portion 111 , so that the camera bracket 2 is in an extended state. The push rod 4 can drive the transmission member 3 to cooperate with the second limiting portion 113a, so that the camera bracket 2 is in a retracted state.

The above-mentioned camera bracket 2 is used to install the camera. When the user presses the camera bracket 2, the camera bracket 2 can drive the push rod 4, so that the push rod 4 drives the transmission part 3 to move in the direction in which the camera bracket 2 is retracted until the transmission part. 3 is matched with the second limiting portion 113a, so that the camera bracket 2 is in a retracted state.

When the camera bracket 2 is in the retracted state, when the user presses the camera bracket 2 again, the camera bracket 2 can drive the push rod 4 at this time, so that the push rod 4 drives the transmission part 3 to move in the extending direction of the camera bracket 2 until The transmission member 3 cooperates with the first limiting portion 111 so that the camera bracket 2 is in an extended state.

Compared with the prior art, the camera telescopic device provided by the embodiments of the present application eliminates components such as a stepper motor and a transmission, reduces the complexity of the structure, reduces noise, and improves user experience. Moreover, the camera telescopic device provided in the embodiment of the present application can manually control the telescopic extension of the camera bracket 2, which is easy to implement and has a low cost.

FIG. 7 is a schematic structural diagram of the first transmission member of the transmission component, and FIG. 8 is a structural front view of the first transmission member of the transmission component. As shown in FIGS. 7 and 8 , as a possible implementation manner, the transmission component 3 includes a first transmission member 31 . The first transmission member 31 includes a cam 312, and the cam 312 is provided with an end surface 312a.

5 and 6 , the base 1 includes a sleeve 11 , and the first limiting portion 111 is disposed on the inner wall of the first end A of the sleeve 11 . Referring to FIG. 1 , the push rod 4 can drive the first transmission member 31 to move until the end surface 312a cooperates with the first limiting portion 111 , so that the camera bracket 2 is in an extended state.

The above-mentioned cam 312 can be arranged in the sleeve 11 and can move along the extending direction or the retracting direction of the camera bracket 2 . When the first transmission member 31 moves along the extending direction of the camera bracket 2 , the cam 312 faces the sleeve 11 . The first end A of the cam 312 moves until the end surface 312a of the cam 312 interferes with the first limiting portion 111 . At this time, the camera bracket 2 is in an extended state.

By arranging the end surface 312a on the cam 312 and arranging the first limiting portion 11 at the first end A of the sleeve 11, the interference between the surfaces is used to realize the limiting of the first transmission member 31.

Specifically, the first limiting portion 111 may be a cover provided at the end of the first end A of the sleeve 11 . The cover can not only limit the position of the first transmission member 31 , but also prevent the Other parts fall into the sleeve 11 to affect the movement of the first transmission member 31 . The above-mentioned cover body can be directly formed on the base 1 , which can improve the structural stability and reliability of the base 1 .

As a possible implementation manner, as shown in FIGS. 7 and 8 , the first transmission member 31 may further include a connecting rod 311 , and the first end of the connecting rod 311 serves as the first end of the transmission member 3 and the first end of the push rod 4 . The two ends are connected, and the second end of the connecting rod 311 is connected to the above-mentioned cam 312 . Specifically, the cam 312 may include a connecting plate 312d which is connected with the connecting rod 311 .

The first limiting portion 111 may be a cover of the first end A of the sleeve 11 , the cam 312 is accommodated in the sleeve 11 , and the cover may be formed with a through hole through which the connecting rod 311 can pass through with the push rod respectively. 4 is connected to the cam 312.

Press the camera bracket 2, the push rod 4 presses the connecting rod 311, and then drives the cam 312 to move in the retracting or extending direction of the camera bracket 2. When the cam 312 moves in the extending direction of the camera bracket 2 until the end face 312a of the cam 312 When matched with the first limiting portion 111 , the camera bracket 2 is in an extended state.

As a possible implementation manner, as shown in FIG. 5 , the base 1 includes an accommodating groove 12 , and when the camera bracket 2 is in an extended state, at least part of the connecting rod 311 is located in the accommodating groove 12 .

In the embodiment of the present application, the setting of the connecting rod 311 can facilitate the setting of the extension stroke of the camera bracket 2 , and the length of the connecting rod 311 is designed according to actual needs, so as to obtain the required extension stroke.

As a possible implementation manner, the transmission component 3 includes a second transmission member 32 , and FIG. 9 is a schematic structural diagram of the second transmission member. As shown in FIG. 9 , the second transmission member 32 includes a second matching surface 321 b . As shown in FIG. 6 , the inner wall of the sleeve 11 is provided with a limiting rib 113 , and the second limiting portion 113 a is provided on one end of the limiting rib 113 . 6 and 9 at the same time, the push rod 4 can drive the first transmission member 31 and the second transmission member 32 to move until the second limiting portion 113a abuts against the second mating surface 321b of the second transmission member 32, so that the The camera bracket 2 is in a retracted state.

In this embodiment, both the second transmission member 32 and the first transmission member 31 are slidably matched with the sleeve 11, press the camera bracket 2, and the push rod 4 drives the first transmission member 31 and the second transmission member 32 to move until the second transmission When the second mating surface 321b of the component 32 abuts against one end of the limiting rib 113 (ie, the second limiting portion 113a ), the camera bracket 2 is in a retracted state.

Specifically, as shown in FIG. 7 , the cam 312 includes a first mating surface 312b1 and a first sliding groove 312c, and the cam 312 may further include a first bump 312b. The first bump 312b is connected to the connecting plate 312d. The mating surface 312b1 is formed on the first bump 312b. The number of the first bumps 312b may be more than two, and the first chute 312c is formed between adjacent first bumps 312b. The first bump 312b may also be an integral type, and a first chute 312c is defined on the integral first bump 312b.

As shown in FIG. 9 , the second transmission member 32 includes a second sliding groove 323 .

Fig. 10 is an exploded schematic diagram of the cooperation of the first transmission member and the second transmission member, Fig. 11 is a state diagram of the first transmission member and the second transmission member when they are in the first position, and Fig. 12 is the first transmission member and the second transmission member The state diagram when the parts are mated in the second position.

As shown in FIG. 7 , FIG. 9 and FIG. 11 , when the first matching surface 312b1 and the second matching surface 321b are matched in the first position C, the first sliding groove 312c is aligned with the second sliding groove 323 .

As shown in FIG. 7 , FIG. 9 and FIG. 12 , when the first matching surface 312b1 and the second matching surface 321b are matched in the second position D, the first sliding groove 312c and the second sliding groove 323 are not aligned.

After the first chute 312c and the second chute 323 are aligned, the limiting rib 113 can slide relative to the second chute 323 and the first chute 312c until the end surface 312a cooperates with the first limiting portion 111, so that the camera The bracket 2 is in an extended state.

After the second sliding groove 323 is disengaged from the limiting rib 113, the second matching surface 321b can slide relative to the first matching surface 312b1, so that the first sliding groove 312c and the second sliding groove 323 are not aligned until the second matching surface 321b and the first matching surface 321b The two limiting portions 113a are in contact with each other, so that the camera bracket 2 is in a retracted state.

Press the camera bracket 2, and the push rod 4 drives the first transmission member 31 and the second transmission member 32 to move in the retracting direction of the camera bracket 2. At this time, the first matching surface 312b1 and the second matching surface 321b are matched at the first position C , the first sliding groove 312c and the second sliding groove 323 are aligned, and the first transmission member 31 and the second transmission member 32 slide together along the limiting rib 113 . When the second transmission member 32 slides to one end of the limiting rib 113 and comes out of the one end of the limiting rib 113, the first mating surface 312b1 can slide relative to the second mating surface 321b, so that the first chute 312c and the second chute 323 are not aligned, the second mating surface 321b continues to slide along the first mating surface 312b1 until the second mating surface 321b abuts against the second limiting portion 113a, so that the camera bracket 2 is in a retracted state .

Optionally, the first matching surface 312b1 and the second matching surface 321b are both helical curved surfaces, so that the first matching surface 312b1 and the second matching surface 321b can maintain continuous and smooth relative movement without jamming.

As a possible implementation, as shown in FIG. 9 , the second transmission member 32 includes a limit wall 321a. When the camera bracket 2 is in the extended state, the first transmission member 31 and the second transmission member 32 are both connected to the limit wall 321a. The rib 113 is in a matched state, so one side wall 113 b of the limiting rib 113 is separated from the limiting wall 321 a of the second transmission member 32 .

When the camera bracket 2 is in the retracted state, the second transmission member 32 is disengaged from the limiting rib 113 and rotates relative to the first transmission member 31. At this time, one side wall 113b of the limiting rib 113 is connected to the limiting wall 321a. The position of the second transmission member 32 is restricted after the second transmission member 32 is rotated by a certain angle relative to the first transmission member 31 by contacting.

In the embodiment of the present application, as shown in FIG. 7 , the side of the first protrusion 312b facing the second transmission member 32 is provided with an escape groove 312b2. Referring to FIG. 7 and FIG. 11 at the same time, when the first sliding groove 312c and the second sliding When the grooves 323 are aligned, the limiting wall 321a of the second transmission member 32 is located in the escape groove 312b2, so that the first matching surface 312b1 and the second matching surface 321b are matched.

As a possible implementation manner, as shown in FIG. 9 , the second transmission member 32 includes an intermediate shaft 322 and a second protrusion 321 , and the second protrusions 321 are arranged at intervals along the circumferential direction of the intermediate shaft 322 . The second sliding grooves 323 are formed between adjacent second bumps 321 , and the limiting walls 321 a and the second mating surfaces 321 b are both formed on the second bumps 321 .

The number of the second bumps 321 may be the same as the number of the first bumps 312b, and they are matched in one-to-one correspondence. As shown in FIG. 12 , when the first sliding groove 312c and the second sliding groove 323 are not aligned, the surface of the escape groove 312b2 of the first protrusion 312b can be matched with the second matching surface 321b.

Press the camera bracket 2, the push rod 4 drives the first transmission member 31 and the second transmission member 32 to move to the retracted state first, so that the second transmission member 32 is released from the limiting state with the second limiting portion 113a, and then the second transmission member 32 The member 32 rotates relative to the cam 312, the second mating surface 321b and the first mating surface 312b1 slide relative to each other, and then the second limiting portion 113a and the second mating surface 321b slide relative to each other until the side wall 113b of the limiting rib 113 is in contact with the first mating surface 312b1. The limiting walls 321a of the two projections 321 abut against each other, so as to restrict the second transmission member 32 from continuing to rotate.

As a possible implementation manner, as shown in FIGS. 1 to 3 , the transmission member 3 further includes a first elastic member 33 , and the first elastic member 33 is elastically supported on the second transmission member 32 and the second end B of the sleeve 11 . Inside, the first elastic member 33 can drive the second transmission member 32 to move in the extending direction of the camera bracket 2, and make the end surface 312a of the cam 312 abut against the first limiting portion 111. At this time, the camera bracket 2 is in extended state.

One end of the first elastic member 33 is in contact with the second transmission member 32, and the other end is in contact with the second end B of the sleeve 11. No matter whether the camera bracket 2 is in the retracted state or the extended state, the first elastic member 33 is in contact with each other. In the compressed state, when the camera bracket 2 is converted from the retracted state to the extended state, the first chute 312c and the second chute 323 are aligned and cooperate with the limiting ribs 113. At this time, the first elastic member 33 Under the action of the elastic force, the first transmission member 31 and the second transmission member 32 move toward the first end A of the sleeve 11 to realize the extension of the camera bracket 2 . When the end surface 312 a of the cam 312 abuts against the first limiting portion 111 , the first elastic member 33 can also ensure that the camera bracket 2 is stably maintained in the extended position.

When the second transmission member 32 cooperates with the second limiting portion 113a, the second limiting portion 113a restricts the degree of freedom of the second transmission member 32 along the extending direction of the camera bracket 2. At this time, the first elastic member 33 is opposite to the The second transmission member 32 has a force toward the first end A of the sleeve 11 to maintain the force balance of the second transmission member 32 and prevent the second transmission member 32 from being displaced.

As a possible implementation manner, a cover body may also be provided at the second end B of the sleeve 11 , and the first elastic member 33 may be a spring, which abuts between the cover body and the second transmission member 32 . As another possible implementation, as shown in FIGS. 3 and 6 , the second end B of the sleeve 11 is open, and the sleeve 11 includes a blocking member 112 , which is blocked at the second end B of the sleeve 11 . , the first elastic member 33 is supported between the second transmission member 32 and the blocking member 112 .

During assembly, both the first transmission member 31 and the second transmission member 32 can be loaded into the sleeve 11 through the second end B of the sleeve 11, and then the blocking member 112 can be installed on the second end B of the sleeve 11, This makes the assembly process simpler.

FIG. 13 is a schematic structural diagram of the blocking member. As shown in FIG. 13 , as a possible implementation manner, the blocking member 112 includes a blocking body 112 a and a first guide post 112 b. The blocking body 112a is blocked on the second end B of the sleeve 11, the first guide post 112b is connected to the side of the blocking body 112a facing the first end A of the sleeve 11, and the first elastic member 33 is sleeved on the first end A of the sleeve 11. A guide post 112b.

By fitting the first elastic member 33 to the first guide post 112b, the first elastic member 33 is limited and guided, so that the first elastic member 33 will not be displaced, thereby improving the first elastic member 33 to the first elastic member 33. The stability of the support of the two transmission members 32 .

As a possible implementation manner, as shown in FIG. 1 to FIG. 3 , the above-mentioned camera telescopic device further includes a second elastic member 5 abutting between the base 1 and the push rod 4 .

The above-mentioned second elastic member 5 can be in a compressed state in both the retracted state and the extended state of the camera bracket 2 , thereby generating pressure on the push rod 4 . When the camera bracket 2 is in the retracted state, the second transmission member 32 cooperates with the second limiting portion 113a. At this time, the elastic force of the second elastic member 5 acts on the push rod 4 and the first transmission member 31, which can prevent the first transmission Piece 31 comes out. That is to say, by arranging the second elastic member 5, the push rod 4 and the first transmission member 31 can be effectively prevented from slipping out, thereby improving the stability of the whole device.

As a possible implementation, as shown in FIG. 5 , the base 1 includes an accommodating cavity 13 , at least part of one end of the second elastic member 5 is disposed in the accommodating cavity 13 , the push rod 4 has a second guide post 43 , and the second elastic member 5 has a second guide post 43 . At least part of the other end of the component 5 is sleeved on the second guide post 43 .

By arranging the accommodating cavity 13 on the base 1 and the second guide post 43 on the push rod 4 , both ends of the second elastic member 5 can be limited, so that the second elastic member 5 does not move with the push rod 4 . offset will occur.

Based on the above embodiments, the embodiments of the present application also provide a camera assembly, including a camera bracket 2 and a camera, the camera is mounted on the camera bracket 2, and the camera assembly further includes the camera telescopic device provided in any embodiment of the application, the camera bracket 2 Connected to the first end of the push rod 4 .

FIG. 14 is a schematic diagram of a retracted state of a camera telescopic device in an electronic device provided by an embodiment of the present application, and FIG. 15 is a schematic diagram of a camera telescopic device in an extended state of the electronic device provided by an embodiment of the present application. As shown in FIGS. 14-15 , based on the above embodiments, the embodiments of the present application further provide an electronic device 10 including a casing, the electronic device 10 further includes the camera assembly provided in any embodiment of the present application, and the base 1 includes A first fixing hole and at least one second fixing hole, the first fixing hole is arranged at one end away from the second end B of the blocking body 112a, the second fixing hole is arranged on the side of the base 1, and the base 1 passes through the first fixing hole and the second fixing hole. The two fixing holes are connected to the casing; the camera bracket 2 includes a third fixing hole 21 , and the camera bracket 2 is connected to the casing through the third fixing hole 21 .

To sum up, in the camera telescopic device, the camera assembly and the electronic equipment provided by the embodiments of the present application, the power is input from the camera bracket to the push rod, and the push rod drives the first limit portion and the second limit portion of the transmission component and the base. With the cooperation, the extension and retraction of the camera bracket is realized, thereby reducing the complexity of the structure, reducing the noise, and improving the user experience.

It should be noted that a part of this patent application file contains content protected by copyright. Except for making copies of the patent files of the Patent Office or the contents of the recorded patent files, the copyright owner reserves the right to copyright.

Claims (14)

1. A camera telescoping device, comprising:

the first end of the push rod (4) is used for being connected with the camera support (2);

the first end of the transmission component (3) is connected with the second end of the push rod (4), the transmission component (3) comprises a first transmission piece (31) and a second transmission piece (32), the first transmission piece (31) comprises a cam (312), one side of the cam (312) is provided with an end face (312 a), and the second transmission piece (32) comprises a second matching face (321 b);

the base (1) comprises a sleeve (11), a first limiting part (111) and a second limiting part (113 a), wherein the first limiting part (111) is arranged on the inner wall of the first end of the sleeve (11), a limiting rib (113) is arranged on the inner wall of the sleeve (11), one end of the limiting rib (113) is connected with the first limiting part (111), the second limiting part (113 a) is arranged at the end part, far away from the first limiting part (111), of the limiting rib (113), and the first transmission piece (31) and the second transmission piece (32) can slide along the limiting rib (113);

the push rod (4) can drive the first transmission piece (31) to act until the first transmission piece (31) moves to the end face (312 a) to be matched with the first limiting part (111) so as to enable the camera support (2) to be in an extending state;

the push rod (4) can drive the first transmission piece (31) and the second transmission piece (32) to move until the second limiting part (113 a) is abutted against the second matching surface (321 b), so that the camera support (2) is in a retraction state.

2. A camera retraction device according to claim 1, wherein the first transmission member (31) further comprises a link (311);

the first end of the connecting rod (311) is used as the first end of the transmission component (3) and is connected with the second end of the push rod (4); the second end of the link (311) is connected to the cam (312).

3. The camera telescoping device of claim 2, wherein the base (1) comprises a receiving slot (12);

when the camera bracket (2) is in an extending state, at least part of the connecting rod (311) is positioned in the accommodating groove (12).

4. The camera telescoping device of claim 1, wherein the cam (312) comprises a first mating surface (312 b 1) and a first runner (312 c);

the second transmission piece (32) comprises a second sliding groove (323);

when the first matching surface (312 b 1) is matched with the second matching surface (321 b) in a first position, the first sliding groove (312 c) is aligned with the second sliding groove (323); when the first matching surface (312 b 1) is matched with the second matching surface (321 b) at the second position, the first sliding groove (312 c) is not aligned with the second sliding groove (323);

after the first sliding groove (312 c) and the second sliding groove (323) are aligned, the limiting rib (113) can slide relative to the second sliding groove (323) and the first sliding groove (312 c) until the end surface (312 a) is matched with the first limiting part (111) so as to enable the camera support (2) to be in an extending state;

after the second sliding groove (323) is separated from the limiting rib (113), the second matching surface (321 b) can slide relative to the first matching surface (312 b 1), so that the first sliding groove (312 c) and the second sliding groove (323) are not aligned until the second matching surface (321 b) is abutted against the second limiting part (113 a), and the camera support (2) is in a retraction state.

5. The camera retracting device according to claim 4, wherein the first engagement surface (312 b 1) and the second engagement surface (321 b) are each a helicoid surface.

6. The camera telescoping device of claim 4, wherein the second transmission member (32) includes a limiting wall (321 a);

when the camera support (2) is in an extending state, the side wall (113 b) on one side of the limiting rib (113) is separated from the limiting wall (321 a);

when the camera support (2) is in a retraction state, one side wall (113 b) of the limiting rib (113) is abutted against the limiting wall (321 a).

7. The camera telescoping device of claim 6, wherein the second transmission member (32) comprises an intermediate shaft (322) and second lugs (321), the second lugs (321) being spaced circumferentially along the intermediate shaft (322); the second sliding groove (323) is formed between the adjacent second convex blocks (321);

the limiting wall (321 a) and the second matching surface (321 b) are both formed on the second projection (321).

8. The camera telescoping device of claim 3, wherein the transmission member (3) further comprises:

a first elastic member (33), wherein the first elastic member (33) is elastically supported on the inner side of the second transmission piece (32) and the second end of the sleeve (11); the first elastic component (33) can drive the second transmission piece (32) to move towards the extending direction of the camera support (2), and the end face (312 a) of the cam (312) can abut against the first limiting portion (111).

9. The camera telescoping device of claim 8, wherein the sleeve (11) includes a closure member (112) that closes off the second end of the sleeve (11);

the first elastic element (33) is supported between the second transmission element (32) and the closure element (112).

10. The camera telescoping device of claim 9, wherein the blanking member (112) comprises a blanking body (112 a) and a first guide post (112 b);

the blocking body (112 a) blocks the second end of the sleeve (11), and the first guide pillar (112 b) is connected to one side, facing the first end of the sleeve (11), of the blocking body (112 a);

the first elastic member (33) is fitted around the first guide post (112 b).

11. The telescopic device according to claim 1, further comprising a second elastic member (5) abutting between the base (1) and the push rod (4).

12. The camera telescoping device of claim 11, characterized in that the base (1) comprises a receiving chamber (13), at least a portion of one end of the second elastic member (5) being disposed in the receiving chamber (13);

the push rod (4) is provided with a second guide post (43), and at least part of the other end of the second elastic component (5) is sleeved on the second guide post (43).

13. A camera assembly comprising a camera mount (2) and a camera mounted to said camera mount (2), characterized in that said camera assembly further comprises a camera extension device according to any of claims 1-12, said camera mount (2) being connected to a first end of said push rod (4).

14. An electronic device comprising a housing, characterized in that the electronic device further comprises a camera assembly according to claim 13, the base (1) being connected to the housing.

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