Improved lead-free tin bar with high heat resistance

Abstract

The utility model discloses an improved high-heat-resistance lead-free tin bar, belongs to the technical field of lead-free tin bars, and aims to solve the problems that the welding temperature is high, the temperature can be transmitted to a hand through the tin bar, the use convenience is influenced, the tin bar at a handheld end is difficult to use, and the practicability of the tin bar is reduced. Comprising a tin bar body, a threaded groove, a threaded rod, a connecting rod, a rectangular check block, a moving plate, an L-shaped connecting plate and a handheld mechanism, the threaded groove is formed in the middle of the back face of the tin bar body, the threaded rod is in threaded connection with the interior of the threaded groove, and the connecting rod is fixedly connected to the rear portion of the threaded rod; the rectangular stop block is fixedly connected to the rear part of the connecting rod; according to the tin bar, the handheld mechanism is arranged, the rotating handle is rotated to drive the pressing plate and the anti-skid layer to be tightly attached to the outer wall of the tin bar body and fix the position of the connecting frame, and therefore a user can hold the tin bar body conveniently, the phenomenon that the hand is burnt due to high temperature is avoided, and the use safety and use convenience of the tin bar are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lead -free tin bar technical field, concretely relates to an improved high heat resistance lead -free tin bar. BACKGROUND

[0002] Tin bar can be divided into two kinds of leaded tin bar and lead -free tin bar, and is used for the welding of circuit board, and the lead -free tin bar has the characteristics of good wetting property and flowability, easy tin, bright and full soldering point, no poor phenomenon such as loose soldering, less tin slag, reduced energy consumption and unnecessary waste etc.

[0003] The prior art patent announcement No. CN216463242U of an improved high heat resistance lead -free tin bar, the above -mentioned patent can be mutually clamped with multiple groups of lead -free tin bar body, so that the lead -free tin bar body can be avoided to collide or rub between the process of transporting the packaging box, the damage probability of the lead -free tin bar body is reduced, and when the tin is fused, the worker can fill the flux into the circular hole, and because the circular hole is also provided with a fine groove, the flux can flow into the fine groove, at this time, the flux can be evenly distributed in the lead -free tin bar body, so that the flux can be quickly and uniformly mixed with the melted lead -free tin bar body, and the welding effect is improved, but there are still the following deficiencies in actual use: starting from the actual, the above -mentioned tin bar needs one hand to hold the tin bar when using, and the other hand holds the electric iron, because the welding temperature is high, the temperature will be transmitted to the hand through the tin bar, the use convenience is affected, and in addition, when each tin bar is used to the hand -held position, enough welding space and hand -held space cannot be left, so that the tin bar at the hand -held end is difficult to use, and the practicability of the tin bar is reduced.

[0004] Therefore, an improved high heat resistance lead -free tin bar is needed to solve the problem of high welding temperature, temperature transmission to the hand through the tin bar, affecting the use convenience and the use of the tin bar at the hand -held end, reducing the practicability of the tin bar. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an improved high heat resistance lead -free tin bar to solve the problems in the above background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: An improved high heat resistance lead-free tin bar, including tin bar body, thread groove, threaded rod, connecting rod, rectangular stopper, moving plate, L-shaped connecting plate and handheld mechanism, the back middle part of tin bar body is equipped with thread groove, the threaded rod is connected in the inside of thread groove, the connecting rod is fixedly connected in the rear of threaded rod, the rectangular stopper is fixedly connected in the rear of connecting rod, the moving plate is connected in the outside of connecting rod, the L-shaped connecting plate is fixedly connected to the left and right sides of moving plate, the handheld mechanism is arranged in the front end of L-shaped connecting plate.

[0007] It is worth mentioning in the scheme that the back of the moving plate is provided with a rectangular groove matched with the rectangular stopper.

[0008] It is further worth mentioning that the handheld mechanism is composed of a connecting frame, a lead screw, a rotating handle, a pressing plate, an anti-skid layer, a limiting block and a handheld layer.

[0009] It is further worth mentioning that the rotating handle is rotatably connected to one end of the lead screw away from the connecting frame, and the rotating handle is provided with an anti-skid groove.

[0010] As a preferred embodiment, the anti-skid layer is arranged on the opposite surface of the pressing plate, and the material of the anti-skid layer is silicone material.

[0011] As a preferred embodiment, the limiting block is fixedly connected to the upper and lower sides of the anti-skid layer, and the inside of the connecting frame is provided with a limiting groove.

[0012] As a preferred embodiment, the upper and lower surfaces of the connecting frame are provided with arc surfaces, and the handheld layer is arranged in the inside of the arc surfaces.

[0013] Compared with the prior art, the improved high heat resistance lead-free tin bar provided by the utility model has at least the following beneficial effects:

[0014] (1) The handheld mechanism is arranged, the rotating handle is rotated to drive the pressing plate and the anti-skid layer to tightly contact the outer wall of the tin bar body, the position of the connecting frame is fixed, so that the user can conveniently hold the tin bar body, high-temperature burning of the hand is avoided, and the safety and convenience of the tin bar in use are improved.

[0015] (2) The threaded rod, the connecting rod, the rectangular stopper, the moving plate, the L-shaped connecting plate and the handheld mechanism are arranged, the moving plate can be slid to drive the handheld mechanism to move, the use of the handheld end of the tin bar body is facilitated, and waste of the tin bar body is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first state of the utility model three-dimensional view structure schematic diagram;

[0017] Figure 2 It is the second state of the utility model three-dimensional view structure schematic diagram;

[0018] Figure 3 It is the utility model partial section structure schematic diagram;

[0019] Figure 4 It is the utility model hand-held mechanism structure schematic diagram.

[0020] In the drawing: 1, tin bar body; 2, threaded groove; 3, threaded rod; 4, connecting rod; 5, rectangular block; 6, moving plate; 7, L-shaped connecting plate; 8, hand-held mechanism; 801, connecting frame; 802, screw rod; 803, rotating handle; 804, pressing plate; 805, anti-skid layer; 806, limiting block; 807, hand-held layer. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with examples.

[0022] Please refer to Figures 1-4 , the utility model provides a kind of improved high-thermal-resistance lead-free tin bar, including tin bar body 1, threaded groove 2, threaded rod 3, connecting rod 4, rectangular block 5, moving plate 6, L-shaped connecting plate 7 and hand-held mechanism 8, threaded groove 2 is set in the middle of the back of tin bar body 1, threaded rod 3 is screw-connected in the inside of threaded groove 2, connecting rod 4 is fixedly connected in the rear of threaded rod 3, rectangular block 5 is fixedly connected in the rear of connecting rod 4, moving plate 6 is slidingly connected in the outside of connecting rod 4, L-shaped connecting plate 7 is symmetrically fixedly connected in the left and right sides of moving plate 6, hand-held mechanism 8 is set in the front end of L-shaped connecting plate 7.

[0023] Further as Figure 1 、 Figure 2 And Figure 3 It is worth specifically explained that the back of moving plate 6 is provided with rectangular recess that is matched with rectangular block 5;

[0024] By being embedded in the inside of rectangular recess of the rectangular block 5 set, the rotation of moving plate 6 can be limited, so as to ensure that the position of hand-held mechanism 8 does not rotate, and hand-held is facilitated.

[0025] Further as Figure 1 、 Figure 2 And Figure 3As shown in the drawings, and as particularly pointed out, the handheld mechanism 8 is composed of a connecting frame 801, a screw rod 802, a rotating handle 803, a pressing plate 804, an anti-skid layer 805, a limiting block 806 and a handheld layer 807. The connecting frame 801 is fixedly connected to the front end of the L-shaped connecting plate 7 and is sleeved on the outside of the tin bar body 1. The screw rod 802 is symmetrically screwed on the left and right sides of the connecting frame 801. The pressing plate 804 is rotatably connected to the other end of the screw rod 802.

[0026] Further as shown in Figure 1 、 Figure 2 and Figure 3 , it is worth noting that the rotating handle 803 is rotatably connected to the end of the screw rod 802 away from the connecting frame 801, and the rotating handle 803 is provided with anti-skid grooves.

[0027] The rotating handle 803 is provided to facilitate the user to rotate the rotating handle 803, improve the use comfort, and the anti-skid grooves improve the anti-skid performance of the rotating handle 803.

[0028] According to the above working process, it is known that the handheld mechanism 8 is provided, the rotating handle 803 drives the pressing plate 804 and the anti-skid layer 805 to tightly adhere to the outer wall of the tin bar body 1, and the position of the connecting frame 801 is fixedly connected, so as to facilitate the user to hold the tin bar body 1, avoid high temperature burning hand, and improve the safety and convenience of the tin bar in use.

[0029] Further as shown in Figure 1 、 Figure 3 and Figure 4 , it is worth noting that the anti-skid layer 805 is arranged on the opposite side of the pressing plate 804, and the material of the anti-skid layer 805 is silicone material.

[0030] The silicone material has excellent high temperature resistance and chemical stability, and can keep its physical properties unchanged at high temperature. At the same time, the silicone material also has certain anti-skid performance, which is suitable for the anti-skid layer for clamping the soldering tin bar.

[0031] Further as shown in Figure 1 、 Figure 3 and Figure 4 , it is worth noting that the limiting block 806 is symmetrically fixedly connected to the upper and lower sides of the anti-skid layer 805, and the inside of the connecting frame 801 is symmetrically provided with a limiting groove, and the limiting block 806 is slidably arranged in the limiting groove.

[0032] The limiting block 806 is arranged in the limiting groove, which can avoid the rotation of the pressing plate 804 with the screw rod 802, so as to improve the stability of the pressing plate 804 when clamping the tin bar body 1.

[0033] Further as shown in Figure 1 ,Figure 3 and Figure 4 As shown in the figure, it is worth noting that the upper and lower surfaces of the connecting frame 801 are symmetrically provided with arc-shaped surfaces, and the hand-holding layer 807 is arranged inside the arc-shaped surfaces.

[0034] The material of the hand-holding layer 807 can be selected as rubber material, which has good elasticity and anti-skid performance and can withstand certain pressure and temperature. In a high-temperature environment, some special formula rubber material can still maintain good anti-skid effect; and the elasticity of the rubber reduces the vibration of the hand during tin bar welding, improving the comfort of holding the tin bar.

[0035] The present scheme has the following working process: in use, first, the threaded rod 3 is screwed into the inside of the threaded groove 2, so that the connecting rod 4 is fixedly installed at the rear of the tin bar body 1, then the sliding moving plate 6 is moved, the L-shaped connecting plate 7 drives the hand-holding mechanism 8 to be sleeved outside the tin bar body 1, the position of the hand-holding mechanism 8 is stopped at the position needed to be held, the rotating handle 803 on both sides is rotated to drive the screw rod 802 to rotate, the limiting block 806 slides in the limiting groove, so that the pressing plate 804 and the anti-skid layer 805 are close to the outer wall of the tin bar body 1, the anti-skid layer 805 is tightly attached to the tin bar body 1, the connecting frame 801 is fixedly connected outside the tin bar body 1, the user can hold the hand-holding layer 807 outside, which is convenient for the user to weld and avoids burning the hand. At this time, the hand-holding mechanism 8 is in the attached state; and when the tin bar body 1 is used to the hand-holding end, the rotating handle 803 is reversed to release the fixation of the tin bar body 1, the sliding moving plate 6 drives the connecting frame 801 to move backward, which is convenient for adjusting the hand-holding mechanism 8 to the comfortable position of the user; when the tin bar body 1 is used to the end, the sliding moving plate 6 is slid until the rectangular block 5 is embedded in the inside of the rectangular groove, limiting the position of the connecting frame 801, at this time, the hand-holding mechanism 8 is in the attached state, which is convenient for the use of the hand-holding end of the tin bar body 1 and avoids waste of the tin bar body 1. Figure 1 Figure 2

[0036] In summary: through the hand-holding mechanism 8, the rotating handle 803 drives the pressing plate 804 and the anti-skid layer 805 to tightly attach to the outer wall of the tin bar body 1, and the position of the connecting frame 801 is fixed, so that the user can hold the tin bar body 1, avoid high-temperature burning, improve the safety and convenience of the tin bar in use; through the threaded rod 3, the connecting rod 4, the rectangular block 5, the moving plate 6, the L-shaped connecting plate 7 and the hand-holding mechanism 8, the sliding moving plate 6 drives the hand-holding mechanism 8 to move, which is convenient for the use of the hand-holding end of the tin bar body 1 and avoids waste of the tin bar body 1.​​

Claims

1. An improved high heat resistance lead-free tin bar, comprising a tin bar body (1), a threaded groove (2), a threaded rod (3), a connecting rod (4), a rectangular stop block (5), a moving plate (6), an L-shaped connecting plate (7) and a hand-held mechanism (8), characterized in that: The middle part of the back of the tin bar body (1) is provided with a threaded groove (2), the threaded rod (3) is threadedly connected to the inside of the threaded groove (2), the connecting rod (4) is fixedly connected to the rear of the threaded rod (3), the rectangular block (5) is fixedly connected to the rear of the connecting rod (4), the moving plate (6) is slidingly connected to the outside of the connecting rod (4), the L-shaped connecting plate (7) is symmetrically fixedly connected to the left and right sides of the moving plate (6), and the handheld mechanism (8) is arranged at the front end of the L-shaped connecting plate (7).

2. The improved high heat resistance lead-free tin bar according to claim 1, wherein: The back of the moving plate (6) is provided with a rectangular groove matched with the rectangular block (5).

3. The improved high heat resistance lead-free tin bar of claim 2, wherein: The handheld mechanism (8) is composed of a connecting frame (801), a lead screw (802), a rotating handle (803), a pressing plate (804), an anti-skid layer (805), a limiting block (806) and a handheld layer (807), the connecting frame (801) is fixedly connected to the front end of the L-shaped connecting plate (7), and the connecting frame (801) is sleeved outside the tin bar body (1), the lead screw (802) is symmetrically threadedly connected to the left and right sides of the connecting frame (801), and the pressing plate (804) is rotatably connected to the other end of the lead screw (802).

4. The improved high heat resistance lead-free tin bar of claim 3, wherein: The rotating handle (803) is rotatably connected to one end of the lead screw (802) away from the connecting frame (801), and an anti-skid groove is formed in the rotating handle (803).

5. The improved high heat resistance lead-free tin bar of claim 4, wherein: The anti-skid layer (805) is arranged on the opposite surface of the pressing plate (804), and the material of the anti-skid layer (805) is silica gel material.

6. The improved high heat resistance lead-free tin bar of claim 5, wherein: The limiting block (806) is symmetrically fixedly connected to the upper and lower sides of the anti-skid layer (805), and the inside of the connecting frame (801) is symmetrically provided with a limiting groove, and the limiting block (806) is slidingly arranged in the limiting groove.

7. The improved high heat resistance lead-free tin bar of claim 6, wherein: The upper and lower surfaces of the connecting frame (801) are symmetrically provided with arc surfaces, and the handheld layer (807) is arranged in the arc surfaces.

Images