CN217372061U

CN217372061U - Clamp for testing electrostatic protection element

Info

Publication number: CN217372061U
Application number: CN202220651479.5U
Authority: CN
Inventors: 孔天午; 向玉双
Original assignee: Hunan Siweite Technology Co ltd
Current assignee: Hunan Siweite Technology Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-09-06
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a clamp for testing an electrostatic protection element, which comprises a base and a supporting vertical plate positioned right above the base, wherein the supporting vertical plate is connected with a clamping transverse plate through an adjusting mechanism, and an extending mechanism is arranged on the clamping transverse plate; the adjusting mechanism comprises a bearing sleeve, a connecting column and a bearing, one end of the bearing sleeve is fixedly connected with the top end of one side, close to the horizontal plane of the vertical center of the base, of the supporting vertical plate, an internal thread groove is formed in the bearing sleeve, the connecting column is in threaded connection with the internal thread groove through external threads, a through groove is formed in the center of the inner portion of the clamping transverse plate, the bearing is embedded in the through groove, and one end, far away from the bearing sleeve, of the connecting column movably extends into the bearing; the extension mechanism comprises a telescopic rod, a clamping block and a return spring, the surfaces of two opposite sides of the clamping transverse plate are respectively provided with an accommodating groove, and one end of the telescopic rod is fixedly connected with the groove wall on one side of the accommodating groove. The utility model discloses fixed effect more firm accommodation is also more extensive, and the adjustment is nimble convenient.

Description

Clamp for testing electrostatic protection element

Technical Field

The utility model relates to an anchor clamps technical field, in particular to anchor clamps are used in electrostatic protection component test.

Background

The electrostatic protection component is widely applied to HDMI interfaces, portable video equipment, LCD plasma televisions, GPS systems, portable equipment (PDA, DSC, Bluetooth), printer interfaces, satellite receivers, DVI, antennas and the like, belongs to an overvoltage protection component, is mainly used for avoiding sensitive circuits in electronic equipment from being influenced by electrostatic discharge, and is often provided with a clamp to assist and fix a component main body in the testing process of the electrostatic protection component.

The clamp for the electrostatic protection element in the prior art mainly adopts a mode that the clamp fixes the element on two opposite sides, the fixing effect is not stable enough, the element is easy to fall off, the required angles of various test contents of the electrostatic protection element are different, and the element is difficult to adjust after being clamped.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a static protection is anchor clamps for component test can effectively solve among the prior art static protection anchor clamps for component, mainly adopts anchor clamps fixed component to fix the mode of both sides in opposite directions, and its fixed effect is firm inadequately, and the component drops easily, and the required angle of each item test content of static protection component differs moreover, is difficult to the problem of adjustment behind the component centre gripping.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a clamp for testing an electrostatic protection element comprises a base and a supporting vertical plate located right above the base, wherein the supporting vertical plate is connected with a clamping transverse plate through an adjusting mechanism, and an extending mechanism is arranged on the clamping transverse plate;

the adjusting mechanism comprises a bearing sleeve, a connecting column, a bearing and a poking block, one end of the bearing sleeve is fixedly connected with the top end of one side, close to the horizontal plane of the vertical center of the base, of the supporting vertical plate, an internal thread groove is formed in the bearing sleeve, the connecting column is in threaded connection with the internal thread groove through external threads, a through groove is formed in the center of the inner portion of the clamping transverse plate, the bearing is embedded in the through groove, one end, far away from the bearing sleeve, of the connecting column movably extends into the bearing, the poking block is sleeved on the outer peripheral face, far away from the bearing, of the connecting column, and the connecting column can rotate on the bearing;

the extension mechanism includes telescopic link, clamp splice and reset spring, the both sides surface that the centre gripping diaphragm is in opposite directions has seted up one respectively and has accomodate the groove, telescopic link one end with accomodate groove one side cell wall fixed connection, the clamp splice is fixed to be set up and is extended to the outside other end of centre gripping diaphragm in the telescopic link, reset spring is fixed to be set up between clamp splice and mounting groove one side cell wall, and reset spring encircles in the telescopic link outer peripheral face, the clamp splice is "L" style of calligraphy form and its concave surface sets up towards the vertical central horizontal plane of base, and the telescopic link can contract to accomodate the inslot.

Preferably, the spacing groove has been seted up at base top surface center department, the inside mounting groove of having seted up of base, the spacing groove switches on each other with the mounting groove, the fixed driving motor that is provided with on the cell wall of mounting groove one side, the driving motor output is connected with the lead screw, threaded connection has the carrier block on the lead screw, support the activity of riser bottom and extend to the spacing inslot and be connected with the carrier block top, support the riser and can slide translation on the spacing groove.

Preferably, the support risers are equipped with two altogether and are the symmetry and arrange on the horizontal plane of base horizontal center, stirring piece, centre gripping diaphragm, bearing sleeve, spliced pole, bearing and carrier block all are the one-to-one setting with the support riser.

Preferably, the telescopic link is equipped with four and equally divide into two sets ofly altogether, and two sets of telescopic links symmetry set up on two centre gripping diaphragm, clamp splice and reset spring all are the one-to-one setting with the telescopic link.

Preferably, the connecting column is parallel to the screw rod, and the clamping transverse plate and the telescopic rod are perpendicular to the screw rod respectively.

Preferably, the base bottom surface corner is provided with the fixed installation piece that is provided with, the installation piece is equipped with four altogether and is rectangular array distribution, every a mounting hole has been seted up on the installation piece.

Compared with the prior art, the utility model relates to an electrostatic protection component test is with anchor clamps has following beneficial effect:

in the utility model, through the cooperation of the driving motor and the screw rod, two supporting vertical plates fixed on the bearing block can be mutually close to each other to finish the preliminary clamping of two clamping transverse plates to two opposite sides of the electrostatic protection element, while the telescopic rod fixed on the mounting groove can be adjusted to the edge of the element through the translation of the clamping block in the L shape through the stretching fit to adapt to the specification and the size of the element, the reset spring extends therewith, the reset spring is deformed and restored after the clamping block is released to pull the clamping block and the telescopic rod to reset to finish the further clamping of the element, the element is clamped in multiple directions through the combination of the symmetrical clamping element edges of a plurality of clamping blocks and the opposite sides of the fixed element, the fixing effect is more stable and the adapting range is wider, through arranging a through groove at the center inside of the clamping transverse plates and embedding a bearing, the connecting column can automatically rotate on the clamping transverse plates by the bearing, through the external screw thread on the spliced pole and the interior thread groove of bearing on the sleeve mutually support, can insert the spliced pole fast revolution and bear the sleeve and accomplish the installation after personnel control the piece of stirring, reverse when maintaining the centre gripping diaphragm pull down can, the centre gripping diaphragm can rotate on the spliced pole by oneself with the help of the bearing simultaneously, personnel can stir the angle that the centre gripping diaphragm adjusted the centre gripping component thereupon, and the adjustment is nimble convenient.

Drawings

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

Fig. 1 is a schematic view of an overall structure of a clamp for testing an esd protection device according to the present invention;

fig. 2 is a schematic front view of the clamp for testing an esd protection device according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic top view of the clamp for testing an esd protection device according to the present invention;

fig. 5 is a schematic cross-sectional view of the position B-B in fig. 4 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a support vertical plate; 3. clamping the transverse plate; 4. a load bearing sleeve; 5. connecting columns; 6. a bearing; 7. a telescopic rod; 8. a clamping block; 9. a return spring; 10. a drive motor; 11. a screw rod; 12. a bearing block; 13. mounting blocks; 14. and a poking block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

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," "second," and the like 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 a fixed connection, a detachable connection, or an integral connection; 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. 1-5, the utility model relates to a clamp for testing electrostatic protection elements, which comprises a base 1 and a supporting vertical plate 2 positioned right above the base 1, wherein the supporting vertical plate 2 is connected with a clamping transverse plate 3 through an adjusting mechanism, and an extending mechanism is arranged on the clamping transverse plate 3;

the adjusting mechanism comprises a bearing sleeve 4, a connecting column 5, a bearing 6 and a poking block 14, one end of the bearing sleeve 4 is fixedly connected with the top end of one side, close to the horizontal plane of the vertical center of the base 1, of the supporting vertical plate 2, an internal thread groove is formed in the bearing sleeve 4, the connecting column 5 is in threaded connection with the internal thread groove through external threads, a through groove is formed in the center of the inner portion of the clamping transverse plate 3, the bearing 6 is embedded in the through groove, one end, far away from the bearing sleeve 4, of the connecting column 5 movably extends into the bearing 6, the poking block 14 is sleeved on the outer circumferential surface, far away from the bearing 6, of the connecting column 5, and the connecting column 5 can rotate on the bearing 6;

the extension mechanism comprises a telescopic rod 7, clamping blocks 8 and a reset spring 9, the two opposite side surfaces of the clamping transverse plate 3 are respectively provided with an accommodating groove, one end of the telescopic rod 7 is fixedly connected with the groove wall on one side of the accommodating groove, the clamping blocks 8 are fixedly arranged at the other end of the telescopic rod 7 extending to the clamping transverse plate 3, the reset spring 9 is fixedly arranged between the groove walls on one side of the clamping blocks 8 and the mounting groove, the reset spring 9 surrounds the outer peripheral surface of the telescopic rod 7, the clamping blocks 8 are L-shaped, the concave surfaces of the clamping blocks face the vertical central horizontal plane of the base 1, and the telescopic rod 7 can be retracted into the accommodating groove.

Furtherly, 1 top surface center department of base has seted up the spacing groove, 1 inside mounting groove of having seted up of base, the spacing groove switches on each other with the mounting groove, fixedly on the cell wall of mounting groove one side be provided with driving motor 10, driving motor 10 output is connected with lead screw 11, threaded connection has carrier block 12 on the

lead screw

11, 2 bottom activities of supporting riser extend to the spacing inslot and are connected with carrier block 12 top, supporting riser 2 can slide translation on the spacing groove.

Furthermore, the two supporting vertical plates 2 are symmetrically arranged on the horizontal plane of the horizontal center of the base 1, and the poking blocks 14, the clamping transverse plate 3, the bearing sleeves 4, the connecting columns 5, the bearings 6 and the bearing blocks 12 are all arranged in one-to-one correspondence with the supporting vertical plates 2.

Furthermore, the telescopic links 7 are provided with four and equally divided into two groups, the two groups of telescopic links 7 are symmetrically arranged on the two clamping transverse plates 3, and the clamping blocks 8 and the return springs 9 are arranged in one-to-one correspondence with the telescopic links 7.

Furthermore, the connecting column 5 is parallel to the screw rod 11, and the clamping transverse plate 3 and the telescopic rod 7 are respectively perpendicular to the screw rod 11.

Further, the bottom surface corner of the base 1 is fixedly provided with the mounting blocks 13, the mounting blocks 13 are totally provided with four and distributed in a rectangular array, and each mounting block 13 is provided with a mounting hole.

The working principle of the utility model is as follows:

when a person uses the device, through the matching of the driving motor 10 and the screw rod 11, the two supporting vertical plates 2 fixed on the bearing block 12 one by one can approach each other to finish the preliminary clamping of the two clamping transverse plates 3 to the two opposite sides of the electrostatic protection element, the telescopic rod 7 fixed on the mounting groove can be adjusted to the edge of the element through the translation of the clamping block 8 in the shape of the L in the drawing fit to adapt to the specification and the size of the element, the reset spring 9 extends along with the reset spring, after the clamping block 8 is released, the reset spring 9 is deformed and restored to pull the clamping block 8 and the telescopic rod 7 to reset to finish the further clamping of the element, the element is clamped in multiple directions through the way that the symmetrical clamping element edges of the plurality of clamping blocks 8 are combined with the two opposite sides of the fixing element, the fixing effect is more stable and the adapting range is wider, through the through groove arranged at the center inside of the transverse plates 3 and the bearing 6 is embedded, the spliced pole 5 can rotate on centre gripping diaphragm 3 by oneself with the help of bearing 6, through the external screw thread on spliced pole 5 and bear the internal thread groove on the sleeve 4 and mutually support, personnel can insert spliced pole 5 fast rotation and bear the sleeve 4 and accomplish the installation after controlling to dial piece 14, reverse when maintaining centre gripping diaphragm 3 pull down can, centre gripping diaphragm 3 can rotate on spliced pole 5 by oneself with the help of bearing 6 simultaneously, personnel can stir centre gripping diaphragm 3 thereupon and adjust the angle of centre gripping component, the adjustment is nimble convenient.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The clamp for testing the electrostatic protection element is characterized by comprising a base (1) and a supporting vertical plate (2) positioned right above the base (1), wherein the supporting vertical plate (2) is connected with a clamping transverse plate (3) through an adjusting mechanism, and an extending mechanism is arranged on the clamping transverse plate (3);

the adjusting mechanism comprises a bearing sleeve (4), a connecting column (5), a bearing (6) and a stirring block (14), one end of the bearing sleeve (4) is fixedly connected with the top end of one side, close to a vertical central horizontal plane of the base (1), of the supporting vertical plate (2), an internal thread groove is formed in the bearing sleeve (4), the connecting column (5) is in threaded connection with the internal thread groove through external threads, a through groove is formed in the center of the inside of the clamping transverse plate (3), the bearing (6) is embedded in the through groove, one end, far away from the bearing sleeve (4), of the connecting column (5) movably extends into the bearing (6), and the stirring block (14) is sleeved on the outer peripheral face, far away from the bearing (6), of the connecting column (5);

extension mechanism includes telescopic link (7), clamp splice (8) and reset spring (9), the groove has been seted up respectively to the both sides surface in opposite directions of centre gripping diaphragm (3), telescopic link (7) one end and the groove wall fixed connection of holding groove one side, clamp splice (8) are fixed to be set up in telescopic link (7) and extend to the outside other end of centre gripping diaphragm (3), reset spring (9) are fixed to be set up between clamp splice (8) and mounting groove one side cell wall, and reset spring (9) encircle in telescopic link (7) outer peripheral face, clamp splice (8) are "L" style of calligraphy form and its concave surface and set up towards the vertical central horizontal plane of base (1).

2. The jig for testing electrostatic protection devices according to claim 1, wherein: the utility model discloses a bearing block, including base (1), mounting groove, driving motor (10), lead screw (11), support riser (2) bottom activity is extended to the spacing inslot and is connected with bearing block (12) top, the spacing groove has been seted up at base (1) top surface center department, the mounting groove has been seted up to base (1) inside, the spacing groove switches on each other with the mounting groove, the fixed driving motor (10) that is provided with on mounting groove one side cell wall, driving motor (10) output is connected with lead screw (11), threaded connection has bearing block (12) on lead screw (11), support riser (2) bottom activity is extended to the spacing inslot and is connected with bearing block (12) top.

3. The jig for testing electrostatic protection devices according to claim 2, wherein: support riser (2) be equipped with two altogether and be the symmetry on base (1) horizontal center horizontal plane and arrange, it all is the one-to-one setting with support riser (2) to dial piece (14), centre gripping diaphragm (3), bear sleeve (4), spliced pole (5), bearing (6) and carrier block (12).

4. The jig for testing electrostatic protection devices according to claim 3, wherein: the telescopic rods (7) are provided with four parallel equally divided into two groups, the two groups of telescopic rods (7) are symmetrically arranged on the two clamping transverse plates (3), and the clamping blocks (8) and the reset springs (9) are arranged in a one-to-one correspondence manner with the telescopic rods (7).

5. The jig for testing electrostatic protection devices according to claim 2, wherein: the connecting column (5) is parallel to the screw rod (11), and the clamping transverse plate (3) and the telescopic rod (7) are perpendicular to the screw rod (11) respectively.

6. The jig for testing electrostatic discharge protection devices as claimed in claim 1, wherein: the base (1) bottom surface corner is fixed and is provided with installation piece (13), installation piece (13) are equipped with four altogether and are the rectangular array and distribute, every a mounting hole has been seted up on installation piece (13).