CN215990992U - Horizontal pan-tilt and pan-tilt camera - Google Patents

Abstract

The utility model discloses a horizontal tripod head and a tripod head camera, wherein the horizontal tripod head comprises a first shell, a second shell, a bearing component and a bearing component, the first shell is provided with a mounting groove, a rotating shaft is convexly arranged on the bottom wall of the mounting groove, the second shell is arranged in the mounting groove, the second shell is provided with a shaft hole for the rotating shaft to pass through, the bearing component is arranged between the outer periphery of the second shell and the groove wall of the mounting groove, the bearing component is respectively in rolling butt joint with the first shell and the second shell, and the bearing component is sleeved on the rotating shaft and is connected with the second shell so as to enable the first shell to rotate relative to the second shell. The technical scheme of the utility model improves the rotation stability of the horizontal holder.

Description

Horizontal pan-tilt and pan-tilt camera

Technical Field

The utility model relates to the technical field of camera equipment, in particular to a horizontal holder and a holder camera using the same.

Background

The pan-tilt is a support device for mounting and fixing a mobile phone, a camera, a video camera and the like. The fixed cloud platform is suitable for the condition that the monitoring range is not large, the horizontal and pitching angles of the camera can be adjusted through rotation after the camera is installed on the fixed cloud platform, and the best working posture can be achieved only by locking the adjusting mechanism.

In the correlation technique, the upper and lower shells of the horizontal pan-tilt are rotatably connected by adopting single bearings, and if the weight of the camera is heavier, the upper and lower shells of the horizontal pan-tilt are easy to loosen and the horizontal pan-tilt is unstable during rotation.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a horizontal holder and a holder camera, aiming at improving the rotation stability of the horizontal holder.

In order to achieve the above object, the horizontal tripod head provided by the utility model comprises:

the first shell is provided with a mounting groove, and a rotating shaft is convexly arranged on the bottom wall of the mounting groove;

the second shell is arranged in the mounting groove and provided with a shaft hole for the rotating shaft to pass through;

the bearing assembly is arranged between the outer periphery of the second shell and the groove wall of the mounting groove and is respectively in rolling contact with the first shell and the second shell; and

the bearing assembly is sleeved on the rotating shaft and connected with the second shell so as to enable the first shell to rotate relative to the second shell.

Optionally, one end of the rotating shaft, which is far away from the bottom wall of the mounting groove, is provided with a positioning ring groove, and the bearing assembly comprises:

the thrust bearing is fixedly sleeved on the rotating shaft;

the elastic gasket is sleeved on the rotating shaft and positioned on one side of the thrust bearing, which is back to the bottom wall of the mounting groove, and the elastic gasket is elastically abutted against one side of the thrust bearing; and

the clamp spring, the clamp spring hold and spacing in the locating ring inslot, just the clamp spring with the elastic gasket dorsad thrust bearing's one side elasticity butt.

Optionally, the thrust bearing comprises:

the rolling piece is fixedly sleeved on the rotating shaft;

the first thrust washer is movably sleeved on the rotating shaft, one side of the first thrust washer is in rolling abutting joint with the rolling member, and the other side of the first thrust washer is in limiting abutting joint with the second shell; and

the second thrust washer is positioned on one side, back to the first thrust washer, of the rolling piece and is movably sleeved on the rotating shaft, one side of the second thrust washer is in rolling abutting joint with the rolling piece, and the other side of the second thrust washer is in elastic abutting joint with the elastic washer.

Optionally, a fixing groove is formed in a side of the second housing facing away from the first housing, the shaft hole is formed in a bottom wall of the fixing groove, and the bearing assembly is disposed in the fixing groove.

Optionally, the periphery of the bottom wall of the fixing groove is provided with a limit ring table, and the outer periphery of the bearing assembly is in limit abutment with the limit ring table.

Optionally, a guide inclined plane is arranged on one side, back to the bottom wall of the mounting groove, of the limiting ring platform, and the guide inclined plane is obliquely arranged from the side wall of the fixing groove to the bottom wall of the fixing groove;

and/or, the limit ring platform includes a plurality of limit platforms, and is a plurality of limit platform is followed the diapire periphery of fixed slot encircles the setting, the outer peripheral edges of bearing assembly with a plurality of limit platform is spacing to be propped.

Optionally, the bearing assembly comprises:

the retainer is clamped between the groove wall of the mounting groove and the second shell, and is provided with a plurality of mounting holes which are arranged at intervals; and

and each ball is accommodated and limited in one mounting hole and is respectively in rolling contact with the first shell and the second shell.

Optionally, the plurality of mounting holes includes a plurality of first mounting holes and a plurality of second mounting holes, and the holder includes:

the first ring body is arranged close to the bottom wall of the mounting groove, the first ring body is provided with a plurality of first mounting holes which are arranged at intervals, the first mounting holes are arranged on the same circumference, and each first mounting hole is provided with a ball; and

the second ring body, the second ring body with first ring body dorsad one side of mounting groove diapire is connected, just the diameter of second ring body is greater than the diameter of first ring body, the second ring body is seted up the interval and is set up a plurality of the second mounting hole, a plurality of second mounting hole department is on same circumference, each the second mounting hole is equipped with one the ball.

Optionally, a rolling ring groove is formed in the side wall of the mounting groove, and the plurality of balls are in rolling contact with the groove wall of the rolling ring groove;

and/or, the periphery wall of the second shell is provided with a limiting ring groove, and the balls are in rolling butt joint with the groove wall of the limiting ring groove.

The utility model also provides a pan-tilt camera, comprising:

the horizontal pan/tilt head as described above; and

the camera, the camera with the first casing of horizontal cloud platform is connected.

According to the technical scheme, the mounting groove is formed in the first shell, the second shell is mounted in the mounting groove, meanwhile, the bearing assembly is arranged between the wall of the mounting groove of the first shell and the outer periphery of the second shell, and the bearing assembly is respectively in rolling contact with the first shell and the second shell so as to enable the first shell to be borne on the second shell and enable the first shell to rotate relative to the second shell. In addition, the protruding pivot that is equipped with of diapire of mounting groove, second casing are equipped with the shaft hole, and the shaft hole is worn to locate by the pivot, and the pivot passes through bearing assembly to be connected with the second casing to realize that first casing is rotatory for the second casing. So, through first casing of bearing component and the fixed rotation connection of bearing assembly and bearing assembly cooperation and second casing, improve connection stability, reduce the possibility that first casing and second casing pine takes off when rotating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a horizontal pan/tilt head according to the present invention;

FIG. 2 is an exploded view of an embodiment of the horizontal pan/tilt head of the present invention;

FIG. 3 is a longitudinal cross-sectional view of an embodiment of the horizontal pan/tilt head of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

fig. 6 is an exploded view of another embodiment of the horizontal stage according to the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Horizontal tripod head	231	Lead inclined plane
1	First shell	24	Limiting ring groove
				11	Mounting groove	3	Bearing assembly
12	Rotating shaft	31	Holding rack
				121	Positioning ring groove	311	A first ring body
13	Rolling ring groove	3111	First mounting hole
				14	Disc with a circular groove	312	Second ring body
141	Mounting post	3121	Second mounting hole
				1411	Connecting hole	32	Ball bearing
142	Reinforcing rib	4	Bearing assembly
				143	Positioning column	41	Thrust bearing
15	Boarding board	411	Rolling member
				2	Second shell	412	First thrust washer
21	Shaft hole	413	Second thrust washer
				22	Fixing groove	42	Elastic gasket
23	Limiting table	43	Clamp spring

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a horizontal platform 100.

Referring to fig. 1, fig. 2 and fig. 3, in an embodiment of the present invention, the horizontal pan/tilt head 100 includes a first housing 1, a second housing 2, a bearing assembly 3 and a bearing assembly 4, the first housing 1 is provided with a mounting groove 11, a rotating shaft 12 is convexly disposed on a bottom wall of the mounting groove 11, the second housing 2 is disposed in the mounting groove 11, the second housing 2 is provided with a shaft hole 21 for the rotating shaft 12 to pass through, the bearing assembly 3 is disposed between an outer periphery of the second housing 2 and a groove wall of the mounting groove 11, the bearing assembly 3 is respectively in rolling contact with the first housing 1 and the second housing 2, and the bearing assembly 4 is sleeved on the rotating shaft 12 and connected to the second housing 2, so that the first housing 1 rotates relative to the second housing 2.

In this embodiment, the first housing 1 includes a disk 14 and a surrounding plate 15, the surrounding plate 15 is disposed around the periphery of the disk 14, and the disk 14 and the surrounding plate 15 surround to form the mounting groove 11. Optionally, the disk 14 and the shroud 15 are integrally formed, or are fixedly connected by welding, bonding, or the like, so as to improve the connection stability. Optionally, a plurality of mounting posts 141 are disposed on a side of the disc 14 facing away from the mounting groove 11, the plurality of mounting posts 141 are disposed at intervals, and each mounting post 141 is provided with a connecting hole 1411, it can be understood that the mounting post 141 can be used for mounting a camera. Further, a reinforcing rib 142 is connected between every two adjacent mounting columns 141, the height of the reinforcing rib 142 is lower than that of the mounting column 141, and the reinforcing rib 142 is beneficial to positioning and mounting of the camera. Meanwhile, a positioning column 143 is further arranged on one side, back to the mounting groove 11, of the disc 14, the positioning column 143 is connected with the reinforcing rib 142, and the positioning column 143 is used for being installed in a positioning mode with a camera, so that installation convenience is improved.

In this embodiment, the rotating shaft 12 is disposed at the center of the bottom wall of the mounting groove 11, which is beneficial for the first casing 1 to rotate relative to the second casing 2. Alternatively, the rotating shaft 12 and the first housing 1 are of an integrally formed structure, and the rotating shaft 12 passes through the shaft hole 21 of the second housing 2 and is connected with the bearing assembly 4, so as to enable the first housing 1 to rotate relative to the second housing 2 through the rotating shaft 12. Of course, the rotating shaft 12 may also be rotatably connected to the first housing 1, and is not limited herein as long as the first housing 1 can rotate relative to the second housing 2.

Specifically, the second housing 2 is circular, and the diameter of the second housing 2 is smaller than that of the first housing 1, so that the second housing 2 is accommodated in the mounting groove 11. Meanwhile, a bearing component 3 is arranged between the second shell 2 and the first shell 1, specifically, the bearing component 3 is annular, and is partially sleeved on the outer periphery of the second shell 2 and is in rolling contact with the outer periphery of the second shell 2. Further, when the second housing 2 is accommodated in the mounting groove 11, the carrier member 3 is in rolling contact with the side wall of the mounting groove 11, that is, the carrier member 3 is in rolling contact with the surrounding plate 15 of the first housing 1. The bearing component 3 bears the first shell 1 and the second shell 2 at the moment, and does not influence the rotation of the first shell 1 relative to the second shell 2. When the second housing 2 is received in the mounting groove 11, the rotating shaft 12 passes through the shaft hole 21 and is connected to the bearing assembly 4. That is, the central bearing assembly 4 and the circumferential bearing assembly 3 are matched and locked with each other, so that the horizontal rotation of the first shell 1 and the second shell 2 is smoother, and small-angle inclination does not occur.

According to the technical scheme, the mounting groove 11 is formed in the first shell 1, the second shell 2 is mounted in the mounting groove 11, meanwhile, the bearing component 3 is arranged between the groove wall of the mounting groove 11 of the first shell 1 and the outer periphery of the second shell 2, the bearing component 3 is respectively in rolling contact with the first shell 1 and the second shell 2, the first shell 1 is borne on the second shell 2, and the first shell 1 rotates relative to the second shell 2. In addition, the protruding pivot 12 that is equipped with of diapire of mounting groove 11, second casing 2 are equipped with shaft hole 21, and pivot 12 wears to locate shaft hole 21, and pivot 12 passes through bearing assembly 4 to be connected with second casing 2 to realize that first casing 1 is rotatory for second casing 2. Like this, through the fixed first casing 1 of rotation connection and second casing 2 of carrier assembly 3 and bearing assembly 4 cooperation, improve connection stability, reduce the possibility that first casing 1 and second casing 2 loosen when rotating.

Referring to fig. 2 and fig. 3, in an embodiment, a positioning ring groove 121 is disposed at one end of the rotating shaft 12 away from the bottom wall of the mounting groove 11, the bearing assembly 4 includes a thrust bearing 41, an elastic gasket 42 and a clamp spring 43, the thrust bearing 41 is fixedly sleeved on the rotating shaft 12, the elastic gasket 42 is sleeved on the rotating shaft 12 and is located at one side of the thrust bearing 41 opposite to the bottom wall of the mounting groove 11, the elastic gasket 42 is elastically abutted against one side of the thrust bearing 41, the clamp spring 43 is accommodated and limited in the positioning ring groove 121, and the clamp spring 43 is elastically abutted against one side of the elastic gasket 42 opposite to the thrust bearing 41.

In this embodiment, a positioning ring groove 121 is disposed at an end of the rotating shaft 12 away from the bottom wall of the mounting groove 11, that is, the positioning ring groove 121 is disposed at an end of the rotating shaft 12 penetrating through the shaft hole 21. Specifically, if the diameter of the shaft hole 21 is larger than the diameter of the rotating shaft 12, the rotating shaft 12 is firstly moved through the shaft hole 21, and then the thrust bearing 41 is fixedly sleeved on the rotating shaft 12, so that the thrust bearing 41 is in limit abutment with one side of the second housing 2, which is back to the first housing 1; then, the elastic washer 42 is sleeved on the rotating shaft 12 and elastically abuts against the thrust bearing 41; further, the clamp spring 43 is clamped in the positioning ring groove 121 for limiting, so that the clamp spring 43 is elastically abutted to the elastic gasket 42, and the elastic gasket 42 is located between the clamp spring 43 and the thrust bearing 41. The thrust bearing 41 and the second housing 2 are elastically pressed by the elastic force of the elastic washer 42, and further, a force which is flexible to tightly couple the first housing 1 and the second housing 2 is generated, thereby improving coupling stability. It is understood that the elastic pad 42 is in the shape of a ring, and the elastic pad 42 may be made of silicon rubber or rubber, and herein, the elastic pad 42 is preferably made of a wave-shaped pad and made of a metal material to enhance the strength thereof.

As shown in fig. 2, in an embodiment, the thrust bearing 41 includes a rolling member 411, a first thrust washer 412 and a second thrust washer 413, the rolling member 411 is fixedly sleeved on the rotating shaft 12, the first thrust washer 412 is movably sleeved on the rotating shaft 12, one side of the first thrust washer 412 is in rolling contact with the rolling member 411, the other side of the first thrust washer 412 is in limiting contact with the second housing 2, the second thrust washer 413 is located on one side of the rolling member 411 facing away from the first thrust washer 412 and is movably sleeved on the rotating shaft 12, one side of the second thrust washer 413 is in rolling contact with the rolling member 411, and the other side of the second thrust washer 413 is in elastic contact with the elastic washer 42.

In this embodiment, the thrust bearing 41 is used to support and fix the rotating shaft 12 to bear radial loads. That is, the thrust bearing 41 fixes the rotary shaft 12 so that it can only rotate, but controls its axial and radial movements. Specifically, the rolling element 411 is annular and fixedly sleeved on the rotating shaft 12, and the rolling element 411 has two opposite side surfaces, and rolling elements are arranged on the two side surfaces, and the rolling elements may be balls 32 or rolling bars, etc. When the rolling member 411 rotates following the rotating shaft 12, the rolling elements may roll in a circumferential direction thereof, and it is understood that the rolling elements are in rolling contact with the first thrust washer 412 and the second thrust washer 413, respectively. It should be noted that the first thrust washer 412 is movably sleeved on the rotating shaft 12 and is in limit abutting contact with the second housing 2, and the second thrust washer 413 is movably sleeved on the rotating shaft 12 and is in rolling abutting contact with one side of the rolling member 411 opposite to the first thrust washer 412. That is, the rolling member 411 is sandwiched between the first thrust washer 412 and the second thrust washer 413, and at the same time, the first thrust washer 412 and the second thrust washer 413 are stationary relative to the second housing 2, and roll between the first thrust washer 412 and the second thrust washer 413 through the rolling member 411, so as to realize the rotation of the rotating shaft 12 relative to the second housing 2. The arrangement of the first thrust washer 412 and the second thrust washer 413 can prevent the rolling bodies from directly rolling and abutting against the second housing 2, and reduce the friction damage to the second housing 2, so that only the first thrust washer 412 or the second thrust washer 413 needs to be replaced.

In one embodiment, a fixing groove 22 is formed on a side of the second housing 2 facing away from the first housing 1, a shaft hole 21 is formed on a bottom wall of the fixing groove 22, and the bearing assembly 4 is disposed in the fixing groove 22.

In this embodiment, the fixed slot 22 is circular blind hole shape, and the shaft hole 21 that runs through the second casing 2 is seted up at the diapire of fixed slot 22, and the aperture of shaft hole 21 is less than the diameter of fixed slot 22 diapire, and shaft hole 21 and fixed slot 22 intercommunication set up, then pivot 12 can pass through shaft hole 21 and stretch into in the fixed slot 22. The bearing assembly 4 is mounted in the fixing groove 22, which is advantageous for improving the mounting stability. Specifically, the first thrust washer 412 of the thrust bearing 41 abuts against the bottom wall of the fixing groove 22.

Referring to fig. 2, fig. 3 and fig. 4, in an embodiment, the bottom wall of the fixing groove 22 is provided with a limit ring table at the periphery thereof, and the outer periphery of the bearing assembly 4 is in limit abutment with the limit ring table.

In this embodiment, in order to further fix the bearing assembly 4, the limiting ring platform is disposed around the periphery of the bottom wall of the fixing groove 22, and the outer periphery of the bearing assembly 4 is in limiting abutment with the limiting platform 23, so as to further limit the bearing assembly 4 in the fixing groove 22. Specifically, the outer periphery of the first thrust washer 412 is in limit abutment with the limit ring, so that the first thrust washer is prevented from rotating along with the rolling member 411.

In one embodiment, the stop ring table includes a plurality of stop tables 23, the plurality of stop tables 23 are circumferentially disposed along the bottom wall periphery of the fixing groove 22, and the outer periphery of the bearing assembly 4 is in stop abutment with the plurality of stop tables 23.

In this embodiment, the plurality of limiting platforms 23 are disposed at intervals, and each limiting platform 23 is connected to the bottom wall and the side wall of the fixing groove 22 and is in limiting abutment with the outer peripheral edge of the first thrust washer 412. In this way, after the first thrust washer 412 is installed in the fixing groove 22 and is in limit abutment with the limit stops 23, when the first thrust washer 412 needs to be disassembled, the first thrust washer 412 can be pulled out through the space between two adjacent limit stops 23, for example, the first thrust washer 412 can be hooked out by using a barb-type tool to extend into the space, which is convenient for disassembly.

In one embodiment, a guiding inclined plane 231 is disposed on a side of the stop ring platform facing away from the bottom wall of the mounting groove 11, and the guiding inclined plane 231 is inclined from the side wall of the fixing groove 22 toward the bottom wall of the fixing groove 22.

In this embodiment, one side of the limiting ring platform facing away from the first housing 1 is provided with a guiding inclined surface 231, that is, each limiting platform 23 is provided with a guiding inclined surface 231, the guiding inclined surface 231 is obliquely arranged from the side wall of the fixing groove 22 toward the bottom wall of the fixing groove 22, and is used for guiding the bearing assembly 4 to abut against the bottom wall of the fixing groove 22 for limiting when the bearing assembly 4 is installed. Specifically, when the first thrust washer 412 is mounted in the fixing groove 22 and abuts against the bottom wall of the fixing groove 22, the inclined guide surface 231 can abut against the first thrust washer 412 and guide the first thrust washer to move towards the bottom wall of the fixing groove 22, and finally abuts against the side wall of the limiting table 23 in a limiting manner, so that mounting convenience is improved.

As shown in fig. 2, in an embodiment, the bearing assembly 3 includes a retainer 31 and a plurality of balls 32, the retainer 31 is interposed between a wall of the mounting groove 11 and the second housing 2, the retainer 31 has a plurality of mounting holes, the plurality of mounting holes are spaced apart from each other, and each ball 32 is received and retained in one of the mounting holes and is in rolling contact with the first housing 1 and the second housing 2, respectively.

In this embodiment, the retainer 31 is annular and surrounds the outer periphery of the second housing 2, it can be understood that the retainer 31 is provided with a plurality of mounting holes arranged at intervals, the plurality of balls 32 and the plurality of mounting holes are arranged in a one-to-one correspondence manner, and each ball 32 is clamped in one mounting hole. Meanwhile, the first housing 1 and the second housing 2 enclose and close to form a rolling cavity, and the plurality of balls 32 roll in the rolling cavity and respectively roll and abut against the first housing 1 and the second housing 2, so that the first housing 1 rotates relative to the second housing 2. It will be appreciated that the plurality of mounting holes are uniformly spaced along the circumferential direction of the retainer 31, even though the plurality of balls 32 are uniformly distributed in the retainer 31, the balls 32 are prevented from colliding with each other and rubbing, which facilitates the rotation of the first housing 1 relative to the second housing 2.

Referring to fig. 3, 5 and 6, in an embodiment, the plurality of mounting holes include a plurality of first mounting holes 3111 and a plurality of second mounting holes 3121, the holder 31 includes a first ring 311 and a second ring 312, the first ring 311 is disposed adjacent to the bottom wall of the mounting groove 11, the first ring 311 is provided with a plurality of first mounting holes 3111 disposed at intervals, the plurality of first mounting holes 3111 are disposed on the same circumference, each first mounting hole 3111 is provided with a ball 32, the second ring 312 is connected to a side of the first ring 311 facing away from the bottom wall of the mounting groove 11, a diameter of the second ring 312 is larger than a diameter of the first ring 311, the second ring 312 is provided with a plurality of second mounting holes 3121 disposed at intervals, the plurality of second mounting holes 3121 are disposed on the same circumference, and each second mounting hole 3121 is provided with a ball 32.

In this embodiment, the first ring body 311 and the second ring body 312 are integrally formed, which is convenient for production. It can be understood that the diameter of the second ring body 312 is larger than that of the first ring body 311, and the connection between the first ring body 311 and the second ring body 312 is in a circular arc transition. Accordingly, the outer periphery of the second housing 2 is stepped, i.e. the outer periphery of the second housing 2 has a smaller diameter adjacent to the bottom wall of the mounting groove 11 and a larger diameter away from the bottom wall of the mounting groove 11 to fit with the first ring 311 and the second ring 312, respectively. Further, a plurality of first mounting holes 3111 are provided at intervals in the circumferential direction of the first ring body 311, and a plurality of second mounting holes 3121 are provided at intervals in the circumferential direction of the second ring body 312. Specifically, the plurality of first mounting holes 3111 and the plurality of second mounting holes 3121 are alternately disposed at intervals to improve stability of the holder 31.

As shown in fig. 2, in an embodiment, a rolling ring groove 13 is formed on a side wall of the mounting groove 11, and the plurality of balls 32 are in rolling contact with a groove wall of the rolling ring groove 13.

In this embodiment, the rolling ring grooves 13 are arranged in two rows, and the two rows of rolling ring grooves 13 correspond to the first ring body 311 and the second ring body 312 respectively. Specifically, the rolling ring groove 13 is used for limiting the balls 32, and when the balls 32 are limited in the rolling ring groove 13, the rolling ring groove is respectively in rolling contact with the first housing 1 and the second housing 2 to limit the second housing 2 from moving towards the first housing 1. Meanwhile, the rolling ring groove 13 can limit the ball 32 from separating, and a reverse locking force for preventing separation is generated, so as to further lock the first shell 1 and the second shell 2.

In an embodiment, the outer peripheral wall of the second housing 2 is provided with a limiting ring groove 24, and the plurality of balls 32 are in rolling contact with the groove wall of the limiting ring groove 24.

In this embodiment, the two rows of limiting ring grooves 24 are correspondingly arranged, the two rows of limiting ring grooves 24 correspond to the first ring body 311 and the second ring body 312 respectively, and the two rows of limiting ring grooves 24 are arranged in one-to-one correspondence with the two rows of rolling ring grooves 13. Thus, when the ball 32 is limited in the rolling ring groove 13, the ball is correspondingly limited in the limiting ring groove 24, and the ball 32 and the limiting ring groove are matched with each other to improve the installation stability of the ball 32.

The present invention further provides a pan/tilt/zoom camera, which includes a camera and a horizontal pan/tilt 100, and the specific structure of the horizontal pan/tilt 100 refers to the above embodiments, and since the pan/tilt camera employs all the technical solutions of all the above embodiments, the pan/tilt camera at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein. Wherein the camera is connected with the first housing 1 of the horizontal tripod head 100.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A horizontal head, characterized in that, horizontal head includes:

the first shell is provided with a mounting groove, and a rotating shaft is convexly arranged on the bottom wall of the mounting groove;

the second shell is arranged in the mounting groove and provided with a shaft hole for the rotating shaft to pass through;

the bearing assembly is arranged between the outer periphery of the second shell and the groove wall of the mounting groove and is respectively in rolling contact with the first shell and the second shell; and

the bearing assembly is sleeved on the rotating shaft and connected with the second shell so as to enable the first shell to rotate relative to the second shell.

2. A horizontal platform according to claim 1, wherein the end of the shaft remote from the bottom wall of the mounting groove is provided with a positioning ring groove, and the bearing assembly comprises:

the thrust bearing is fixedly sleeved on the rotating shaft;

the elastic gasket is sleeved on the rotating shaft and positioned on one side of the thrust bearing, which is back to the bottom wall of the mounting groove, and the elastic gasket is elastically abutted against one side of the thrust bearing; and

the clamp spring, the clamp spring hold and spacing in the locating ring inslot, just the clamp spring with the elastic gasket dorsad thrust bearing's one side elasticity butt.

3. A horizontal head according to claim 2, wherein said thrust bearing comprises:

the rolling piece is fixedly sleeved on the rotating shaft;

the first thrust washer is movably sleeved on the rotating shaft, one side of the first thrust washer is in rolling abutting joint with the rolling member, and the other side of the first thrust washer is in limiting abutting joint with the second shell; and

the second thrust washer is positioned on one side, back to the first thrust washer, of the rolling piece and is movably sleeved on the rotating shaft, one side of the second thrust washer is in rolling abutting joint with the rolling piece, and the other side of the second thrust washer is in elastic abutting joint with the elastic washer.

4. The horizontal tripod head according to claim 1, wherein a side of the second shell facing away from the first shell is provided with a fixing groove, a bottom wall of the fixing groove is provided with the shaft hole, and the bearing assembly is disposed in the fixing groove.

5. A horizontal head according to claim 4, wherein the periphery of the bottom wall of the fixed groove is provided with a stop collar, and the outer periphery of the bearing assembly is in stop abutment with the stop collar.

6. The horizontal tripod head according to claim 5, wherein a guiding inclined plane is provided on a side of the stop ring platform facing away from the bottom wall of the mounting groove, the guiding inclined plane being inclined from the side wall of the mounting groove towards the bottom wall of the mounting groove;

and/or, the limit ring platform includes a plurality of limit platforms, and is a plurality of limit platform is followed the diapire periphery of fixed slot encircles and the interval sets up, the outer peripheral edges of bearing assembly with a plurality of limit platform is spacing butt joint.

7. A horizontal head according to any one of claims 1 to 6, wherein said bearing assembly comprises:

the retainer is clamped between the groove wall of the mounting groove and the second shell, and is provided with a plurality of mounting holes which are arranged at intervals; and

and each ball is accommodated and limited in one mounting hole and is respectively in rolling contact with the first shell and the second shell.

8. The horizontal head of claim 7, wherein the plurality of mounting holes comprises a plurality of first mounting holes and a plurality of second mounting holes, and the holder comprises:

the first ring body is arranged close to the bottom wall of the mounting groove, the first ring body is provided with a plurality of first mounting holes which are arranged at intervals, the first mounting holes are arranged on the same circumference, and each first mounting hole is provided with a ball; and

the second ring body, the second ring body with first ring body dorsad one side of mounting groove diapire is connected, just the diameter of second ring body is greater than the diameter of first ring body, the second ring body is seted up the interval and is set up a plurality of the second mounting hole, a plurality of second mounting hole department is on same circumference, each the second mounting hole is equipped with one the ball.

9. The horizontal platform according to claim 7, wherein the side wall of the mounting groove is provided with a rolling ring groove, and a plurality of balls are in rolling contact with the groove wall of the rolling ring groove;

and/or, the periphery wall of the second shell is provided with a limiting ring groove, and the balls are in rolling butt joint with the groove wall of the limiting ring groove.

10. A pan/tilt camera, comprising:

a horizontal head as claimed in any one of claims 1 to 9; and

the camera, the camera with the first casing of horizontal cloud platform is connected.

Images