Woodworking right-angle clamp
By adding a bit slot at the rear end of the knob of the woodworking right-angle clamp and using an electric screwdriver to quickly move the extrusion plate, the problem of low efficiency in clamping wooden boards in the existing technology is solved, and fast clamping and efficient operation are achieved.
Patent Information
- Application Number
- CN202421821020.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-07-30
AI Technical Summary
When clamping a wooden board, the existing woodworking right-angle clamp needs to gradually approach and turn the knob, which makes it impossible to quickly approach the wooden board. In particular, the efficiency is low when clamping wooden boards of different thicknesses.
A bit slot compatible with an electric screwdriver is added to the rear end of the knob. The extrusion plate is quickly moved close to the wooden board using the electric screwdriver, and then the knob is manually turned to clamp it.
It realizes the function of quickly approaching the wooden board, improves work efficiency, avoids the waste of time of repeatedly turning the knob, and adapts to the clamping needs of wooden boards of different thicknesses.
Smart Images

Figure CN223339631U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of woodworking equipment, in particular to a right-angle woodworking clamp. Background Art
[0002] Therefore, there is a need for a woodworking right-angle clamp that can first quickly move the extrusion plate forward close to the board, and then clamp it by turning the knob after approaching. Summary of the Invention
[0003] The utility model aims to provide a woodworking right-angle clamp with a simple structure, which can first quickly move an extrusion plate forward to approach a wooden board, and then clamp it by a knob after the extrusion plate approaches.
[0004] The purpose of this utility model is achieved in this way:
[0005] A woodworking right-angle clamp comprises a mounting plate, an extrusion plate movably arranged on the mounting plate, and a driving assembly arranged at the rear end of the extrusion plate, wherein the front end of the mounting plate is formed with two limiting vertical plates upward, and the two limiting vertical plates are arranged perpendicular to each other at right angles, and the front end of the extrusion plate is formed with two extrusion vertical plates upward, and the two extrusion vertical plates are arranged perpendicular to each other at right angles, and a first mounting space and a second mounting space for clamping a wooden board are formed between the limiting vertical plate and the extrusion vertical plate, and the first mounting space and the second space are connected, and the driving assembly comprises a screw and a knob, the knob is connected to the rear end of the screw, and the knob is provided with a bit slot compatible with an electric screwdriver.
[0006] Furthermore, a guide hole is provided in the middle of the knob, and the bit groove is formed in the guide hole.
[0007] Furthermore, a rotating portion is formed on the knob, and rotating the rotating portion can drive the knob to rotate.
[0008] Furthermore, a connection port is provided on the limiting vertical plate, and a positioning baffle is also provided on the limiting vertical plate. A bending portion is provided on the positioning baffle, and the positioning baffle is detachably connected to the limiting vertical plate through the connection port via the bending portion.
[0009] Furthermore, a vertical guide groove is provided on the mounting plate, a first guide rod is provided downwardly on the extrusion plate, the first guide rod is arranged in the vertical guide groove, and the extrusion plate moves along the vertical guide groove through the first guide rod.
[0010] Furthermore, a transverse guide groove is provided on the extrusion plate, the extrusion plate overlaps the mounting plate, the transverse guide groove intersects with the vertical guide groove, and the first guide rod passes through the transverse guide groove and the vertical guide groove.
[0011] Furthermore, a connecting plate is formed upward at the rear end of the extrusion plate, and a transverse sliding groove is provided on the connecting plate. The screw passes through the transverse sliding groove and is connected to the connecting plate. The extrusion plate can move left and right relative to the mounting plate and the screw through the transverse guide groove and the transverse sliding groove.
[0012] Furthermore, a mounting portion is formed upward at the rear end of the mounting plate, and a threaded part is provided on the mounting portion. A thread matching the screw rod is provided in the threaded part, and the screw rod passes through the threaded part to be connected to the connecting plate.
[0013] Compared with the prior art, the present invention has the following outstanding and beneficial technical effects:
[0014] The utility model discloses a woodworking right-angle clamp, comprising a mounting plate, an extrusion plate movably arranged on the mounting plate, and a driving assembly arranged at the rear end of the extrusion plate, wherein the front end of the mounting plate is upwardly formed with two limiting vertical plates, and the two limiting vertical plates are perpendicular to each other and arranged at a right angle, and the front end of the extrusion plate is upwardly formed with two extrusion vertical plates, and the two extrusion vertical plates are perpendicular to each other and arranged at a right angle, and a first mounting space and a second mounting space for clamping a wooden board are formed between the limiting vertical plates and the extrusion vertical plates, and the first mounting space and the second space are connected, and the driving assembly comprises a screw and a knob, and the knob is connected to the rear end of the screw, and the knob is provided with a bit slot adapted for an electric screwdriver. The driving assembly at the rear end of the previous woodworking right-angle clamp is usually a screw plus a knob connected to the extrusion plate at the front end, and the screw can be driven by turning the knob to push the extrusion plate forward to move close to the wooden board, and since the thickness of the wooden board is different Similarly, the previous wooden board may be thicker and the next wooden board may be thinner. At this time, there is a gap in the clamping distance between the two. In particular, when the thicker wooden board is clamped and withdrawn, it usually withdraws a greater distance than the thinner wooden board, so that the wooden board can be taken out. Therefore, the user has to turn the knob several more times the next time, and each time the knob is turned once, it can only move forward a short distance, and it is impossible to move forward quickly to approach the object. In order to solve this problem, the present invention adds a screwdriver bit slot compatible with the electric screwdriver at the rear end of the knob. When the user needs to squeeze the vertical board forward quickly, the drill bit at the front end of the electric screwdriver can be connected to the screwdriver bit slot and quickly rotated forward. After squeezing the vertical board against the object, it is manually tightened with the knob. Compared with the current market that can only advance in sections by turning the knob, the method of the present invention can be multifunctional, improve work efficiency, and avoid repetitive turning of the knob. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional diagram of the present utility model.
[0016] Figure 2 It is an exploded view of the present utility model.
[0017] Figure 3 It is a three-dimensional diagram of the drive assembly of the utility model.
[0018] Figure 4 It is a cross-sectional view of the drive assembly of the utility model.
[0019] Figure 5 It is a schematic diagram of the screwdriver bit slot in the guide hole of the utility model.
[0020] Figure 6 It is a three-dimensional diagram of the mounting plate of the utility model.
[0021] Figure 7 It is a three-dimensional diagram of the extruded plate of the utility model.
[0022] The meaning of the numbers in the figure:
[0023] 1-Mounting plate; 2-Extrusion plate; 4-Limiting vertical plate; 5-Extrusion vertical plate; 6-First installation space; 7-Second installation space; 8-Drive assembly; 9-Knob; 10-Screw; 11-Bite bit slot;
[0024] 12-guide hole; 14-rotating portion; 17-positioning baffle; 18-vertical guide groove;
[0025] 19-first guide rod; 20-lateral guide groove; 21-connecting plate; 22-mounting portion; 23-threaded member; 24-lateral sliding groove. DETAILED DESCRIPTION
[0026] The present invention will be further described below in conjunction with specific embodiments:
[0027] A woodworking right-angle clamp comprises a mounting plate 1, an extrusion plate 2 movably arranged on the mounting plate 1, and a driving assembly 8 arranged at the rear end of the extrusion plate 2. The front end of the mounting plate 1 is upwardly formed with two limiting vertical plates 4, and the two limiting vertical plates 4 are arranged perpendicular to each other at right angles. The front end of the extrusion plate 2 is upwardly formed with two extrusion vertical plates 5, and the two extrusion vertical plates 5 are arranged perpendicular to each other at right angles. A first mounting space 6 and a second mounting space 7 for clamping a wooden board are formed between the limiting vertical plates 4 and the extrusion vertical plates 5. The first mounting space 6 and the second space are connected. The driving assembly 8 comprises a screw 10 and a knob 9. The knob 9 is connected to the rear end of the screw 10, and the knob 9 is provided with a bit slot 11 adapted for an electric screwdriver.
[0028] The utility model is a woodworking right-angle clamp, comprising a mounting plate 1, an extrusion plate 2 movably arranged on the mounting plate 1, and a driving assembly 8 arranged at the rear end of the extrusion plate 2. The front end of the mounting plate 1 is upwardly formed with two limiting vertical plates 4, which are perpendicular to each other and arranged at right angles. The front end of the extrusion plate 2 is upwardly formed with two extrusion vertical plates 5, which are perpendicular to each other and arranged at right angles. A first installation space 6 and a second installation space 7 for clamping a wooden board are formed between the limiting vertical plates 4 and the extrusion vertical plates 5. The first installation space 6 and the second space are connected. The driving assembly 8 comprises a screw 10 and a knob 9, which is connected to the rear end of the screw 10. The knob 9 is provided with a bit slot 11 adapted for an electric screwdriver. The driving assembly 8 at the rear end of the previous woodworking right-angle clamp is usually a screw 10 plus a knob 9 connected to the extrusion plate 2 at the front end. Only by turning the knob 9 can the screw 10 be driven to push the extrusion plate 2 forward and close to the wood. The present invention has multiple functions, improves working efficiency, and avoids repeatedly turning the knob 9, compared with the conventional method on the market which can only advance in sections by turning the knob 9.
[0029] Preferably, a guide hole 12 is opened in the middle of the knob 9, and the bit slot 11 is formed in the guide hole 12. The utility model arranges the bit slot 11 in the guide hole 12 to facilitate the electric screwdriver to contact and be stuck in the bit slot 11 through the guide hole 12.
[0030] Preferably, a rotating portion 14 is formed on the knob 9, and rotating the rotating portion 14 can drive the knob 9 to rotate, making it convenient for the user to rotate.
[0031] Preferably, the limiting vertical plate 4 is provided with a connection port, and the limiting vertical plate 4 is also provided with a positioning baffle 17, which is provided with a bent portion. The positioning baffle 17 passes through the connection port and is detachably connected to the limiting vertical plate 4 through the bent portion, so as to prevent one of the two wooden boards from being pushed forward and out of its original position after being installed and clamped. By providing the positioning baffle 17, the connection of the two wooden boards will be pushed against the intersection of the positioning baffle 17 when one end of the two wooden boards abut against each other. The detachable setting can facilitate the user to selectively use it according to different working conditions, and the detachable part can also be replaced separately, avoiding repeated purchase and waste.
[0032] Preferably, a vertical guide groove 18 is provided on the mounting plate 1, and a first guide rod 19 is provided downwardly on the extrusion plate 2. The first guide rod 19 is arranged in the vertical guide groove 18. The extrusion plate 2 moves along the vertical guide groove 18 through the first guide rod 19, which facilitates the forward direction of the extrusion plate 2 and prevents the extrusion plate 2 from deviating from the guide position during the movement, so that the extrusion plate 2 can move forward to better support the wooden board.
[0033] Preferably, a transverse guide groove 20 is provided on the extrusion plate 2, and the extrusion plate 2 overlaps the mounting plate 1, and the transverse guide groove 20 intersects with the vertical guide groove 18. The first guide rod 19 passes through the transverse guide groove 20 and the vertical guide groove 18 to facilitate the transverse movement of the extrusion plate 2. Some wooden boards that need to be spliced may be thicker and thinner, so the extrusion plate 2 cannot move forward after contacting the thicker side when moving forward. In this case, the wooden board cannot be clamped. The design of the utility model can move laterally. When the thicker wooden board on one side contacts the limiting vertical plate 4, the extrusion plate 2 is pushed by the rear end and moves laterally.
[0034] Preferably, a connecting plate 21 is formed upward at the rear end of the extrusion plate 2, and a transverse sliding groove 24 is provided on the connecting plate 21. The screw 10 passes through the transverse sliding groove 24 and is connected to the connecting plate 21. The extrusion plate 2 can move left and right relative to the mounting plate 1 and the screw 10 through the transverse guide groove 20 and the transverse sliding groove 24.
[0035] Preferably, a mounting portion 22 is formed upward at the rear end of the mounting plate 1 , and a threaded member 23 is provided on the mounting portion 22 . A thread matching the screw rod 10 is provided in the threaded member 23 , and the screw rod 10 is connected to the connecting plate 21 through the threaded member 23 .
[0036] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.
Claims
1. A woodworking right-angle clamp, comprising a mounting plate (1), an extrusion plate (2) movably arranged on the mounting plate (1), and a driving assembly (8) arranged at the rear end of the extrusion plate (2), characterized in that: The front end of the mounting plate (1) is formed with two limiting vertical plates (4) upwardly, and the two limiting vertical plates (4) are arranged perpendicularly to each other at right angles. The front end of the extrusion plate (2) is formed with two extrusion vertical plates (5) upwardly, and the two extrusion vertical plates (5) are arranged perpendicularly to each other at right angles. A first installation space (6) and a second installation space (7) for clamping a wooden board are formed between the limiting vertical plates (4) and the extrusion vertical plates (5). The first installation space (6) and the second space are connected. The driving assembly (8) includes a screw rod (10) and a knob (9). The knob (9) is connected to the rear end of the screw rod (10). The knob (9) is provided with a screw bit slot (11) adapted to an electric screwdriver.
2. A woodworking right-angle clamp according to claim 1, characterized in that: A guide hole (12) is provided in the middle of the knob (9), and the bit groove (11) is formed in the guide hole (12).
3. A woodworking right-angle clamp according to claim 1 or 2, characterized in that: A rotating portion (14) is formed on the knob (9), and rotating the rotating portion (14) can drive the knob (9) to rotate.
4. The woodworking right-angle clamp according to claim 1, characterized in that: The limiting vertical plate (4) is provided with a connection port, and the limiting vertical plate (4) is also provided with a positioning baffle (17), and the positioning baffle (17) is provided with a bending portion. The positioning baffle (17) passes through the connection port through the bending portion and is detachably connected to the limiting vertical plate (4).
5. The woodworking right-angle clamp according to claim 4, characterized in that: A vertical guide groove (18) is provided on the mounting plate (1), a first guide rod (19) is provided downwardly on the extrusion plate (2), the first guide rod (19) is arranged in the vertical guide groove (18), and the extrusion plate (2) moves along the vertical guide groove (18) via the first guide rod (19).
6. The woodworking right-angle clamp according to claim 5, characterized in that: A transverse guide groove (20) is provided on the extrusion plate (2), the extrusion plate (2) overlaps the mounting plate (1), the transverse guide groove (20) intersects with the vertical guide groove (18), and the first guide rod (19) passes through the transverse guide groove (20) and the vertical guide groove (18).
7. The woodworking right-angle clamp according to claim 6, characterized in that: A connecting plate (21) is formed upward at the rear end of the extrusion plate (2), and a transverse sliding groove (24) is provided on the connecting plate (21). The screw rod (10) passes through the transverse sliding groove (24) and is connected to the connecting plate (21). The extrusion plate (2) can move left and right relative to the mounting plate (1) and the screw rod (10) through the transverse guide groove (20) and the transverse sliding groove (24).
8. A woodworking right-angle clamp according to any one of claims 4 to 7, characterized in that: The rear end of the mounting plate (1) is formed with a mounting portion (22) extending upwards, and the mounting portion (22) is provided with a threaded member (23). The threaded member (23) is provided with a thread adapted to the screw rod (10). The screw rod (10) passes through the threaded member (23) and is connected to the connecting plate (21).