CN219612154U

CN219612154U - Circuit board clamp

Info

Publication number: CN219612154U
Application number: CN202320730655.9U
Authority: CN
Inventors: 张吉东; 陈凤
Original assignee: Shenzhen Jichangsheng Circuit Technology Co ltd
Current assignee: Shenzhen Jichangsheng Circuit Technology Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-29
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a circuit board clamp, and relates to the technical field of clamps. The utility model comprises a bearing frame, wherein the top of the bearing frame is a plane, two clamping plates for clamping a circuit board are symmetrically and horizontally arranged in a sliding manner, a driving rod is horizontally arranged on the bearing frame in a rotating manner, a linkage assembly acting on the two clamping plates is arranged on the driving rod, when the driving rod rotates, the two clamping plates are mutually close to or far away from each other through the linkage assembly, a sliding sleeve is arranged on the driving rod in a sliding manner, and a locking piece acting on the sliding sleeve is arranged on the driving rod when the sliding sleeve moves. Compared with the prior art, the clamping plates are clamped by the screw rod without continuously and repeatedly rotating the screw rod through screw thread matching, the circuit board can be clamped by the two clamping plates only by rotating the driving rod by a certain angle, and the rotating angle of the driving rod is limited by the locking piece, so that the clamping plate is more convenient to use, and the working efficiency is improved.

Description

Circuit board clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to a circuit board clamp.

Background

Circuit board, PCB board, aluminium base board etc. are the important component in the electronic product, today at the high-speed development of electronic product technique, the circuit board makes circuit miniaturization, the visual, it is important to fixed circuit's batch production and optimization and electrical apparatus overall arrangement, it is the important influencing factor of electronic product function and outward appearance, the circuit board needs to use anchor clamps when the preparation, at present, current circuit board anchor clamps generally realize the centre gripping to the circuit board through desk vice, this kind of centre gripping mode is through last rotation lead screw drive splint removal realization centre gripping, because lead screw and splint screw-thread fit have great frictional resistance, it is comparatively laborious to rotate, unable quick fixed circuit board, thereby reduce the work efficiency of preparation circuit board easily.

Disclosure of Invention

The utility model aims at: in order to solve the problems set forth in the background above, the present utility model provides a circuit board fixture.

The utility model adopts the following technical scheme for realizing the purposes:

the circuit board clamp comprises a bearing frame, two clamping plates for clamping a circuit board are arranged at the top of the bearing frame in a plane and symmetrically and horizontally sliding mode, a driving rod is arranged on the bearing frame in a horizontally rotating mode, a linkage assembly acting on the two clamping plates is arranged on the driving rod, when the driving rod rotates, the two clamping plates are mutually close to or far away from each other through the linkage assembly, a sliding sleeve is arranged on the driving rod in a sliding mode, a locking piece acting on the sliding sleeve is arranged on the driving rod, and when the sliding sleeve is moved, the driving rod is limited or released through the locking piece.

Further, the linkage assembly comprises a movable groove formed in one side of the driving rod, wherein one clamping plate is provided with a post rod which is in sliding tangency with the movable groove, one end of the driving rod is rotatably mounted on the bearing frame through the shaft rod, a linkage piece is mounted between the two clamping plates, and when one clamping plate moves, the other clamping plate moves in the opposite direction through the linkage piece.

Further, the linkage piece comprises a transmission rod rotatably installed on the bearing frame, the transmission rod is located between the two clamping plates, the transmission rod is provided with two free ends, the two ends of the transmission rod are hinged with the linkage rod, and the free ends of the two linkage rods are hinged to the two clamping plates respectively.

Further, the locking piece comprises a driven gear fixedly mounted on the shaft rod, a driving gear is vertically and slidably mounted on the driving rod, a transmission piece is mounted between the sliding sleeve and the driving gear, and when the sliding sleeve moves, the driving gear is moved through the transmission piece to form engagement or disengagement between the driven gear and the driving gear.

Further, the driving piece includes vertical and rotation installs dwang on the actuating lever, the slip groove has been seted up along its length direction to dwang one side, drive gear passes through the rectangle pole slip and inserts to establish on the actuating lever, be constructed on the rectangle pole with the tangent body of rod of slip groove slip, the slip cover with articulated rod has between the dwang.

Further, a convex plate is constructed on the driving rod, two guide rods are symmetrically constructed on the convex plate, the guide rods are inserted on the sliding sleeve in a sliding mode, an abutting spring is sleeved on the guide rods, and two ends of the abutting spring are abutted to the sliding sleeve and the convex plate respectively.

Further, still include the buffer board, the symmetry is constructed with two guide plates on the buffer board, two guide plate slip runs through splint, the buffer board is located two between the splint, guide plate with install buffer spring between the splint.

Further, two sides of the clamping plates, which are far away from each other, are symmetrically provided with connecting rods, and the buffer springs are sleeved on the connecting rods.

The beneficial effects of the utility model are as follows:

compared with the prior art, the clamping plates are clamped by the screw rod without continuously and repeatedly rotating the screw rod through screw thread matching, the circuit board can be clamped by the two clamping plates only by rotating the driving rod by a certain angle, and the rotating angle of the driving rod is limited by the locking piece, so that the clamping plate is more convenient to use, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the utility model from another perspective of FIG. 1;

FIG. 3 is a partial perspective cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

FIG. 5 is an enlarged view of the structure of FIG. 2B in accordance with the present utility model;

reference numerals: 1. a carrier; 2. a clamping plate; 3. a driving rod; 4. a linkage assembly; 401. a movable groove; 402. a post; 5. a sliding sleeve; 6. a locking piece; 601. a driven gear; 602. a drive gear; 7. a linkage member; 701. a transmission rod; 702. a linkage rod; 8. a connecting rod; 9. a buffer spring; 10. a transmission member; 1001. a rotating lever; 1002. a rectangular bar; 1003. a rod body; 1004. a hinge rod; 1005. a slip groove; 11. a convex plate; 12. a guide rod; 13. a contact spring; 14. a buffer plate; 15. and a guide plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-5, the circuit board fixture provided by one embodiment of the utility model comprises a bearing frame 1, two clamping plates 2 for clamping a circuit board are installed on the top of the bearing frame 1 in a plane and symmetrically and horizontally sliding manner, a driving rod 3 is installed on the bearing frame 1 in a horizontal rotation manner, a linkage assembly 4 acting on the two clamping plates 2 is installed on the driving rod 3, when the driving rod 3 rotates, the two clamping plates 2 are mutually close to or far away from each other through the linkage assembly 4, a sliding sleeve 5 is installed on the driving rod 3 in a sliding manner, a locking piece 6 acting on the sliding sleeve 5 is installed on the driving rod 3, when the sliding sleeve 5 is moved, the driving rod 3 is rotated by the locking piece 6 to limit or release the limit, that is, when the sliding sleeve 5 is used, a circuit board is firstly placed on the top surface of the bearing frame 1, then the driving rod 3 is rotated, the driving rod 3 is in the rotating process, the two clamping plates 2 are mutually close to each other through the linkage assembly 4, after the circuit board is clamped by the clamping plates 2, the sliding sleeve 5 is moved, and when the sliding sleeve 5 is moved, the two clamping plates are required to be clamped by the driving rod 3 through the locking piece 6, and the two clamping plates are required to be more convenient to rotate by the two clamping plates through the rotation angle, and the two clamping plates can be matched with each other through the rotation of the driving rod 3 in a certain angle, and the rotation angle can be more convenient than the prior art.

As shown in fig. 1, 2 and 3, in some embodiments, the linkage assembly 4 includes a movable slot 401 formed on one side of the driving rod 3, wherein one clamping plate 2 is configured with a post 402 slidably tangent to the movable slot 401, one end of the driving rod 3 is rotatably mounted on the carrier 1 through a shaft, a linkage member 7 is mounted between the two clamping plates 2, when one clamping plate 2 moves, the other clamping plate 2 moves in the opposite direction through the linkage member 7, when the driving rod 3 is rotated, because the post 402 is positioned in the movable slot 401, when the driving rod 3 rotates, the post 402 moves in the movable slot 401 and rotates along the self axis relative to the driving rod 3, thereby forcing the clamping plates 2 to slide, and then the linkage member 7 is matched to enable the other clamping plate 2 to move in the opposite manner, so that the two clamping plates 2 are close to or far away from each other to realize the clamping of the circuit board, and the cooperation of the post 402 and the movable slot 401 enables the driving rod 3 to only to rotate by a small angle so that the clamping plate 2 can move in a larger position, thereby being more convenient in use.

As shown in fig. 1 and 2, in some embodiments, the linkage 7 includes a transmission rod 701 rotatably mounted on the carrier 1, the transmission rod 701 is located between two clamping plates 2, the transmission rod 701 has two free ends, and both ends of the transmission rod 701 are hinged with a linkage rod 702, the free ends of the two linkage rods 702 are respectively hinged on the two clamping plates 2, when one clamping plate 2 moves, the linkage rod 702 hinged with the two clamping plates moves, because one end of the linkage rod 702 is hinged on the transmission rod 701, the transmission rod 701 rotates, so that the other clamping plate 2 moves through the other linkage rod 702, and the two clamping plates 2 approach or separate from each other.

As shown in fig. 1, 2 and 5, in some embodiments, the locking member 6 includes a driven gear 601 fixedly installed on a shaft, that is, when the driving rod 3 rotates, the shaft will also rotate, so that the driven gear 601 rotates, a driving gear 602 is vertically slidably installed on the driving rod 3, a transmission member 10 is installed between the sliding sleeve 5 and the driving gear 602, when the sliding sleeve 5 moves, the driving gear 602 is moved by the transmission member 10 to form engagement or disengagement between the driven gear 601 and the driving gear 602, when the driving rod 3 rotates, the sliding sleeve 5 moves at this time, when the sliding sleeve 5 moves, the driving gear 602 is moved by the transmission member 10, so that the driven gear 601 engages with the driving gear 602, and the purpose of rapidly limiting the rotation angle of the driving rod 3 is achieved.

As shown in fig. 1, 2 and 5, in some embodiments, the transmission member 10 includes a rotating rod 1001 vertically and rotatably mounted on the driving rod 3, one side of the rotating rod 1001 is provided with a sliding slot 1005 along a length direction thereof, the driving gear 602 is slidably inserted into the driving rod 3 through a rectangular rod 1002, a rod body 1003 slidably tangent to the sliding slot 1005 is configured on the rectangular rod 1002, a hinge rod 1004 is hinged between the sliding sleeve 5 and the rotating rod 1001, when the sliding sleeve 5 moves, the hinge rod 1004 hinged thereto is driven to move, because one end of the hinge rod 1004 is hinged to the rotating rod 1001, the sliding sleeve 5 moves through the hinge rod 1004 to rotate the rotating rod 1001, thereby enabling the sliding slot 1005 to move, and because the sliding slot 1005 is slidably tangent to the rod body 1003, when the rotating rod 1001 rotates, the rod body 1003 moves in the sliding slot 1005 and rotates along an axis thereof relative to the rotating rod 1001, thereby enabling the rectangular rod 1002 to move, and indirectly driving the driving gear 602 to move.

As shown in fig. 1, fig. 2 and fig. 4, in some embodiments, the driving rod 3 is configured with a convex plate 11, two guide rods 12 are symmetrically configured on the convex plate 11, the guide rods 12 are slidably inserted on the sliding sleeve 5, an abutting spring 13 is sleeved on the guide rods 12, two ends of the abutting spring 13 respectively abut against the sliding sleeve 5 and the convex plate 11, the guide rod is designed to play a role in guiding and limiting, so that the sliding sleeve 5 is more stable in moving, the driving gear 602 and the driven gear 601 keep an engaged relationship in a normal state, the clamping plate 2 can be prevented from clamping a circuit board and automatically moving due to collision, and when the driving rod 3 rotates, only the sliding sleeve 5 needs to be loosened, and the driving gear 602 can be automatically meshed with the driven gear 601 through the elastic deformation characteristic of the abutting spring 13.

As shown in fig. 1 and 2, in some embodiments, the circuit board clamping device further comprises a buffer plate 14, two guide plates 15 are symmetrically configured on the buffer plate 14, the two guide plates 15 penetrate through the clamping plates 2 in a sliding manner, the buffer plate 14 is located between the two clamping plates 2, a buffer spring 9 is installed between the guide plates 15 and the clamping plates 2, the buffer plate 14 is designed to be matched with the buffer spring 9, so that the two buffer plates 14 clamp the circuit board, and at the moment, the buffer spring 9 is in a compressed state, so that the circuit board is elastically clamped, and damage to the circuit board clamping can be prevented.

As shown in fig. 1 and 2, in some embodiments, two clamping plates 2 are symmetrically configured with a connecting rod 8 on one side far away from each other, a buffer spring 9 is sleeved on the connecting rod 8, and the design of the connecting rod 8 makes the buffer spring 9 not easy to bend when being extruded, so that the use strength of the buffer spring 9 is ensured.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The circuit board clamp is characterized by comprising a bearing frame (1), two clamping plates (2) used for clamping a circuit board are arranged at the top of the bearing frame (1) in a plane and symmetrically and horizontally sliding mode, a driving rod (3) is horizontally rotatably arranged on the bearing frame (1), a linkage assembly (4) acting on the two clamping plates (2) is arranged on the driving rod (3), when the driving rod (3) rotates, the two clamping plates (2) are mutually close to or far away from each other through the linkage assembly (4), a sliding sleeve (5) is slidably arranged on the driving rod (3), a locking piece (6) acting on the sliding sleeve (5) is arranged on the driving rod (3), and when the sliding sleeve (5) is moved, the driving rod (3) is limited or released from the limiting position through the locking piece (6).

2. The circuit board fixture according to claim 1, characterized in that the linkage assembly (4) comprises a movable groove (401) formed on one side of the driving rod (3), wherein one clamping plate (2) is provided with a post rod (402) which is in sliding tangency with the movable groove (401), one end of the driving rod (3) is rotatably mounted on the bearing frame (1) through the shaft rod, a linkage piece (7) is mounted between the two clamping plates (2), and when one clamping plate (2) moves, the other clamping plate (2) moves in the opposite direction through the linkage piece (7).

3. The circuit board fixture according to claim 2, wherein the linkage member (7) comprises a transmission rod (701) rotatably mounted on the carrier (1), the transmission rod (701) is positioned between the two clamping plates (2), the transmission rod (701) has two free ends, two ends of the transmission rod (701) are hinged with linkage rods (702), and the free ends of the two linkage rods (702) are respectively hinged with the two clamping plates (2).

4. A circuit board fixture according to claim 3, characterized in that the locking member (6) comprises a driven gear (601) fixedly mounted on the shaft rod, a driving gear (602) is vertically and slidably mounted on the driving rod (3), a transmission member (10) is mounted between the sliding sleeve (5) and the driving gear (602), and when the sliding sleeve (5) moves, the driving gear (602) is moved by the transmission member (10) to form engagement or disengagement of the driven gear (601) with the driving gear (602).

5. The circuit board fixture according to claim 4, wherein the transmission member (10) comprises a rotating rod (1001) vertically and rotatably installed on the driving rod (3), a sliding groove (1005) is formed in one side of the rotating rod (1001) along the length direction of the rotating rod, the driving gear (602) is slidably inserted on the driving rod (3) through a rectangular rod (1002), a rod body (1003) which is slidably tangent to the sliding groove (1005) is formed on the rectangular rod (1002), and a hinge rod (1004) is hinged between the sliding sleeve (5) and the rotating rod (1001).

6. The circuit board fixture according to claim 1, wherein a convex plate (11) is configured on the driving rod (3), two guide rods (12) are symmetrically configured on the convex plate (11), the guide rods (12) are slidably inserted on the sliding sleeve (5), an abutting spring (13) is sleeved on the guide rods (12), and two ends of the abutting spring (13) are respectively abutted on the sliding sleeve (5) and the convex plate (11).

7. The circuit board fixture according to claim 1, further comprising a buffer plate (14), wherein two guide plates (15) are symmetrically arranged on the buffer plate (14), the two guide plates (15) penetrate through the clamping plates (2) in a sliding mode, the buffer plate (14) is located between the two clamping plates (2), and a buffer spring (9) is installed between the guide plates (15) and the clamping plates (2).

8. The circuit board clamp according to claim 7, wherein connecting rods (8) are symmetrically arranged on the sides, away from each other, of the two clamping plates (2), and the buffer springs (9) are sleeved on the connecting rods (8).