CN213197429U

CN213197429U - OTA tests free space's anchor clamps

Info

Publication number: CN213197429U
Application number: CN202022134007.6U
Authority: CN
Inventors: 龙丹; 陈小芳; 姚诞; 张政华
Original assignee: Shenzhen Huameina Testing Technology Co ltd
Current assignee: Shenzhen Huameina Testing Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-14
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a clamp for testing free space by OTA, which comprises a platform base, a support column, a threaded sleeve, a clamping piece and a threaded pipe; the utility model discloses a platform base, platform base top, drive screw, support, platform base, support. The utility model discloses when using, handheld cell-phone is perpendicular between two sets of clamping pieces, then twist respectively and move two sets of adjusting screw, then adjusting screw drives the clamping piece of its front end and removes, then two sets of clamping pieces push up respectively in the central point department of cell-phone to it is fixed to carry out the centre gripping to the cell-phone, what this anchor clamps were fixed is the centre of cell-phone, can all expose the top and the bottom of cell-phone in the space and do not have any to block, consequently the phenomenon that the antenna at cell-phone bottom and top was sheltered from can not appear.

Description

OTA tests free space's anchor clamps

Technical Field

The utility model discloses OTA detects technical field, specifically is an OTA tests free space's anchor clamps.

Background

The CTIA cellular OTA test specification stipulates that the performance of an antenna of a mobile phone in a non-interference state is required to be tested when the mobile phone is completely placed in a space, the existing test method is to insert the mobile phone into a sponge clamp, the lower half part of the mobile phone is fixed by sponge, and the mobile phone is enabled to be vertically placed in the space for testing, so that the antenna at the bottom of the mobile phone can be shielded by the sponge, and the part of the antenna is not completely exposed in the space actually, and therefore the OTA test free space clamp is provided to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an OTA tests free space's anchor clamps to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for testing free space by OTA comprises a platform base, a support column, a threaded sleeve, a clamping piece and a threaded pipe; the utility model discloses a platform base, including platform base, one side of pillar, driving screw, solenoid, bearing fixed mounting, the central point department fixed mounting of platform base top both sides has the pillar, one side of pillar is equipped with the opening, the internal rotation of pillar installs driving screw, and driving screw's top extends to the top of pillar, driving screw's fixed surface installs the swivel nut, one side of swivel nut is equipped with the solenoid, and the solenoid is located the outside of pillar, the one end fixed mounting of solenoid has adjusting screw, adjusting screw's one end is passed through bearing fixed mounting and is had.

Preferably, four angles fixed mounting of platform base bottom have the bracing piece, and the bottom fixed mounting of bracing piece has the connecting block, and the slipmat has been pasted to the bottom of connecting block.

Preferably, the bottom of the driving screw is provided with a first bearing sleeve, the surface of the driving screw is provided with a second bearing sleeve at a position close to the top end, and the top end of the driving screw is fixedly provided with a second screwing block.

Preferably, an i-shaped limiting block is fixedly mounted on one side of the threaded sleeve through a mounting block, and the i-shaped limiting block is located inside the opening.

Preferably, one end of the surface of the adjusting screw rod is fixedly provided with a screwing sleeve, and the top and the bottom of the screwing sleeve are fixedly provided with handheld rods.

Preferably, four angles of clamping piece one side are equipped with the mounting hole, one side of clamping piece is equipped with the antiskid piece, and four angles that the antiskid piece is close to clamping piece one side are equipped with the block rubber, and the block rubber is located the inside of mounting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses when using, handheld cell-phone is perpendicular between two sets of clamping pieces, then twist respectively and move two sets of adjusting screw, then adjusting screw drives the clamping piece of its front end and removes, then two sets of clamping pieces push up respectively in the central point department of cell-phone to it is fixed to carry out the centre gripping to the cell-phone, what this anchor clamps were fixed is the centre of cell-phone, can all expose the top and the bottom of cell-phone in the space and do not have any to block, consequently the phenomenon that the antenna at cell-phone bottom and top was sheltered from can not appear.

2. The utility model discloses a be provided with and twist piece, driving screw, swivel nut and screwed pipe, move through twisting and twist the piece, drive driving screw and rotate, then the swivel nut on the driving screw can drive the screwed pipe and reciprocate to the drive clamping piece reciprocates, consequently can control the clamping height of cell-phone, can avoid the antenna of cell-phone bottom and the nearer influence test of top surface distance of platform base.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is an enlarged schematic view of the present invention at a in fig. 2;

fig. 4 is an enlarged top view of the anti-slip sheet of fig. 2 according to the present invention.

In the figure: 1. a platform base; 101. a support bar; 102. connecting blocks; 103. a non-slip mat; 2. a pillar; 201. an opening; 3. a drive screw; 301. a first bearing sleeve; 302. twisting the block; 303. a second bearing housing; 4. a threaded sleeve; 401. mounting blocks; 402. an I-shaped limiting block; 5. adjusting the screw rod; 501. screwing the sleeve; 502. a hand-held wand; 6. a clip; 601. mounting holes; 602. anti-slip sheets; 603. a rubber block; 7. a solenoid.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a clamp for testing free space by OTA comprises a platform base 1, a support column 2, a threaded sleeve 4, a clamping piece 6 and a threaded pipe 7; the platform comprises a platform base 1, a supporting column 2 welded at the central position of two sides of the top of the platform base 1, an opening 201 arranged at one side of the supporting column 2, an I-shaped limiting block 402 limited by the opening 201, a driving screw 3 rotatably arranged in the supporting column 2, and the top end of the driving screw 3 extending to the top of the supporting column 2, wherein the driving screw 3 is screwed to drive a screw sleeve 4 to move up and down, the screw sleeve 4 is arranged on the surface of the driving screw 3 through a thread structure, the screw sleeve 4 is used for driving a screw tube 7 to move up and down, so as to adjust the height of a clamping piece 6, a screw tube 7 is arranged at one side of the screw sleeve 4, the screw tube 7 is arranged at the outer side of the supporting column 2, an adjusting screw 5 is arranged at one end of the screw tube 7 through a thread structure, the adjusting screw 5 at one end of the screw tube 7 is screwed, according to the direction of the adjusting, thereby drive clamping piece 6 back-and-forth movement, adjusting screw 5's one end is through bearing fixed mounting have clamping piece 6, and clamping piece 6 is used for carrying out the centre gripping fixedly to the cell-phone.

Further, four corner welding in platform base 1 bottom have bracing piece 101, and the welding of the bottom of bracing piece 101 has connecting block 102, and non-slip mat 103 has been pasted to the bottom of connecting block 102, and bracing piece 101 carries out the fixed stay through connecting block 102, and non-slip mat 103 increases the frictional force of connecting block 102 bottom, guarantees the support stability of connecting block 102.

Further, the bottom of drive screw 3 is equipped with first bearing housing 301, the position department that drive screw 3 surface is close to the top is equipped with second bearing housing 303, the top welding of drive screw 3 has wrong piece 302, interior bottom fixed connection of drive screw 3 through first bearing housing 301 and pillar 2, the top of drive screw 3 extends to the top of pillar 2 through second bearing housing 303, consequently, drive screw 3 can carry out the free rotation in pillar 2 is inside, it is convenient for that personnel are handheld to twist drive screw 3 to twist piece 302.

Further, an i-shaped limiting block 402 is welded to one side of the screw sleeve 4 through the mounting block 401, the i-shaped limiting block 402 is located inside the opening 201, and the i-shaped limiting block 402 is used for limiting the screw sleeve 4, so that in the process of screwing the driving screw 3, the screw sleeve 4 cannot rotate together with the driving screw 3 under the action of the i-shaped limiting block 402, and only moves up and down along the opening 201, so as to drive the screw tube 7 to move up and down along the direction of the opening 201.

Furthermore, one end of the surface of the adjusting screw 5 is welded with a screwing sleeve 501, the top and the bottom of the screwing sleeve 501 are welded with handheld rods 502, and the handheld rods 502 are convenient for personnel to screw the adjusting screw 5.

Further, four angles of clamping piece 6 one side are equipped with mounting hole 601, one side of clamping piece 6 is equipped with antiskid sheet 602, and antiskid sheet 602 is close to four angles of clamping piece 6 one side and is equipped with rubber block 603, and rubber block 603 is located the inside of mounting hole 601, antiskid sheet 602 utilizes the elasticity of rubber block 603 itself to insert inside mounting hole 601, thereby can be with antiskid sheet 602 fixed mounting in one side of clamping piece 6, make things convenient for personnel to change antiskid sheet 602, clamping piece 6 passes through antiskid sheet 602 top in the central point department of cell-phone, guarantee the stability of clamping piece 6 to the cell-phone centre gripping.

The working principle is as follows: when the device is used, the device is fixedly placed at a proper position, then a person holds the screwing block 302 to screw the driving screw 3, the screw sleeve 4 cannot rotate along with the driving screw 3 under the action of the I-shaped limiting block 402 and only can move up and down along the opening 201, so that the screw tube 7 is driven to move up and down along the direction of the opening 201, the height of the clamping pieces 6 is adjusted, after the height adjustment is completed, the person holds the mobile phone and vertically places the mobile phone between the two groups of clamping pieces 6, then holds the holding rod 502 to screw the adjusting screw 5, then the adjusting screw 5 drives the clamping piece 6 at the top end of the adjusting screw to move, the two groups of clamping pieces 6 prop against the central position of the mobile phone through the anti-slip piece 602 to fix the mobile phone, therefore, antennas at the top and the bottom of the mobile phone can be completely exposed outside, and the person.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An OTA test free space clamp comprises a platform base (1), a support column (2), a threaded sleeve (4), a clamping piece (6) and a threaded pipe (7); the method is characterized in that: platform base (1) top both sides's central authorities position department fixed mounting has pillar (2), one side of pillar (2) is equipped with opening (201), driving screw (3) are installed in the inside rotation of pillar (2), and the top of driving screw (3) extends to the top of pillar (2), the fixed surface of driving screw (3) installs swivel nut (4), one side of swivel nut (4) is equipped with solenoid (7), and solenoid (7) are located the outside of pillar (2), the one end fixed mounting of solenoid (7) has adjusting screw (5), the one end of adjusting screw (5) has clamping piece (6) through bearing fixed mounting.

2. An OTA test free space fixture as claimed in claim 1 wherein: four angles of platform base (1) bottom fixed mounting have bracing piece (101), and the bottom fixed mounting of bracing piece (101) has connecting block (102), and non slipping mat (103) have been pasted to the bottom of connecting block (102).

3. An OTA test free space fixture as claimed in claim 1 wherein: the bottom of drive screw (3) is equipped with first bearing cover (301), the position department that drive screw (3) surface is close to the top is equipped with second bearing cover (303), the top fixed mounting of drive screw (3) has the second to twist piece (302).

4. An OTA test free space fixture as claimed in claim 1 wherein: one side of the threaded sleeve (4) is fixedly provided with an I-shaped limiting block (402) through a mounting block (401), and the I-shaped limiting block (402) is positioned inside the opening (201).

5. An OTA test free space fixture as claimed in claim 1 wherein: one end of the surface of the adjusting screw rod (5) is fixedly provided with a screwing sleeve (501), and the top and the bottom of the screwing sleeve (501) are fixedly provided with a handheld rod (502).

6. An OTA test free space fixture as claimed in claim 1 wherein: four angles of clamping piece (6) one side are equipped with mounting hole (601), one side of clamping piece (6) is equipped with antiskid ribbed tile (602), and antiskid ribbed tile (602) are close to four angles of clamping piece (6) one side and are equipped with rubber block (603), and rubber block (603) are located the inside of mounting hole (601).