Clamp head and blade fixing device, clamp head and clamp

Abstract

The utility model discloses a plier head and blade fixing device, a plier head and a plier, and belongs to the technical field of handheld tools. Comprising a fixing hole, and the fixing hole is formed in the tail of the first clamp body and penetrates through the first clamp body. The first cutter clamping groove is formed in the first clamp body and used for containing a blade; a groove hole of the first cutter clamping groove extends in the direction of the fixing hole. The fixator comprises a shaft column connected in the fixing hole, one end of the shaft column is fixedly or detachably connected with an upper end cap, and the other end of the shaft column is detachably connected with a lower end cap; the upper end cap and the lower end cap abut against the two end faces of the blade respectively to limit movement of the blade. The blade is inserted into the first clamping groove, and it is ensured that the tail of the blade is within the protection range of the fixator. When the blade is abraded, a user only needs to detach the lower end cap and take out the shaft column, and then the blade can be easily replaced. After replacement, the pliers can recover the function of cutting the wire sheath.

Description

TECHNICAL FIELD

[0001] The utility model relates to the handheld tool field more specifically, relate to a pincers head blade fixing device, pincers head and pincers. BACKGROUND

[0002] The practical tool of handheld pincers is usually composed of two core parts, which are pincers head and pincers handle respectively. The pincers head is the main working part of the pincers, and the pincers handle provides a holding point for the user, so that the user can drive the pincers head by holding the pincers handle, and then complete various work tasks.

[0003] In the current tool market, we have noticed that more and more pincers products are designed to have the function of cutting wire sheath. In order to achieve this function, the pincers head part of these pincers usually has a special blade. However, in the existing technical implementation, these blades are usually fixed on the pincers head by welding or using rivets. Although this fixing method can meet the basic use requirements to some extent, it has a significant disadvantage: once the blade is worn out or accidentally broken, the entire pincers will lose its important function of cutting wire sheath. This not only affects the service life of the tool, but also brings inconvenience to the user, because the user has to replace the entire pincers instead of just replacing the blade. SUMMARY

[0004] In view of the technical problem that the blade on the pincers head is difficult to replace, the present scheme provides a pincers head blade fixing device, a pincers head and pincers. In the present scheme, by setting a fixing hole, a first blade clamping groove and a fixer, the blade is stably fixed on the pincers head in a detachable manner, thereby solving the problems in the prior art.

[0005] To achieve the above-mentioned purposes, the technical scheme provided by the utility model is as follows:

[0006] The present application provides a pincers head blade fixing device, which comprises

[0007] A fixing hole is arranged at the tail of the first pincers body and penetrates through the first pincers body;

[0008] A first blade clamping groove is arranged on the first pincers body and used for accommodating the blade; the groove hole of the first blade clamping groove extends towards the direction of the fixing hole;

[0009] A fixer comprises a shaft column connected in the fixing hole, one end of the shaft column is fixedly or detachably connected with an upper end cap, and the other end is detachably connected with a lower end cap; the upper end cap and the lower end cap are respectively pressed on the two end faces of the blade to limit the movement of the blade.

[0010] In use, the blade is inserted into the first slot, ensuring that the tail of the blade is within the protection of the holder. Then, the shaft of the holder is inserted into the corresponding fixing hole, ensuring that the upper end cap of the holder is tightly pressed on one end of the blade. Then, the lower end cap is installed at the bottom of the shaft, and it is ensured that it exerts pressure on the other end of the blade to fix the blade. When the blade is worn out, the user only needs to remove the lower end cap and take out the shaft to easily replace the blade. After replacement, the pliers can restore the function of cutting the outer skin of the wire.

[0011] In the blade fixing device of the plier head provided in the application, further, the blade slot is connected to the fixing hole. Connecting the blade slot to the fixing hole can make more parts of the side wall of the blade enter the coverage area of the upper end cap and the lower end cap of the holder, so that the blade connected by the holder is more stable.

[0012] In the blade fixing device of the plier head provided in the application, further, the shaft is provided with a second blade slot extending along the length direction of the shaft. The second blade slot can embed the tail of the blade into the shaft. With the lower end cap fastened at the bottom of the shaft, the second blade slot will be compressed under the extrusion of the lower end cap, thereby clamping the blade, so that the blade is connected more stably.

[0013] In the blade fixing device of the plier head provided in the application, further, the shaft is provided with a spring pad. The spring pad can provide pre-tightening force to the blade, avoiding the deformation of the blade under extrusion, so that the blade is connected more stably.

[0014] In the blade fixing device of the plier head provided in the application, further, the lower end cap is threadedly connected to the shaft.

[0015] The plier head provided in the application comprises

[0016] The blade is connected to the first plier body and extends from the side of the first plier body to the second plier body.

[0017] The blade fixing device of the plier head is arranged on the first plier body and has a shaft and a fixing seat. The shaft is provided with a second blade slot for fixing the blade.

[0018] The roller is rotationally connected to the side of the second plier body.

[0019] In use, the blade is fixed on the first plier body, and the roller is fixed on the second plier body. When the first plier body and the second plier body are close, the wire is clamped. The blade tip extends into the wire, and pulling the wire can complete the longitudinal cutting of the wire. The fixing seat can stably clamp the blade, but can also be conveniently and timely replaced when the blade is broken or worn out.

[0020] In a pliers head provided in this application, the tail of the blade is further connected to a blade holder, which engages within a second blade groove. The blade holder and the blade are integrally formed, and the engagement of the blade holder within the second groove stabilizes the blade, resulting in a tighter connection between the blade and the mounting base.

[0021] In a pliers head provided in this application, the tool holder is further engaged in the second tool slot and fixed in the lower cap of the fixing base. The tool holder is first engaged in the second tool slot, which wraps around the shaft corresponding to the tool holder and then wraps around the lower cap of the fixing base. As the lower cap is tightened, it squeezes the shaft, causing the second tool slot to close, thereby clamping the tool holder.

[0022] This application provides a pair of pliers, including a plier blade fixing device for detachably attaching the blade to the tail of a first plier body.

[0023] This application provides a pair of pliers, including the aforementioned plier head.

[0024] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0025] This application provides a pliers blade retaining device. The blade is inserted into the first slot, ensuring the tail of the blade is within the retainer's protection zone. Next, the retainer's shaft is inserted into the corresponding retaining hole, ensuring the upper cap of the retainer is tightly pressed against one end of the blade. Then, the lower cap is installed at the bottom of the shaft, applying pressure to the other end of the blade to secure it. When the blade wears, the user simply removes the lower cap and the shaft to easily replace the blade. After replacement, the pliers regain their ability to cut wire insulation. Attached Figure Description

[0026] Figure 1 A schematic diagram of the pliers blade fixing device at the pliers head connection position;

[0027] Figure 2 This is a schematic diagram of the first clamp body structure;

[0028] Figure 3 This is a three-dimensional structural diagram of the fixing part;

[0029] Figure 4 A three-dimensional structural diagram of the tool holder connected to the second tool slot on the shaft column;

[0030] Figure 5 This is a schematic diagram of the three-dimensional structure of the blade;

[0031] Label Explanation:

[0032] 100. Blade fixing device; 110. Fixing hole; 120. First blade retaining groove; 130. Fixing device; 131. Shaft; 132. Upper cap; 133. Lower cap; 134. Second blade retaining groove; 135. Spring washer;

[0033] 200. Pliers head; 210. First pliers body; 220. Second pliers body;

[0034] 300. Blade; 310. Tool holder;

[0035] 400. Roller. Detailed Implementation

[0036] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments.

[0037] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are primarily for better description of this application and its embodiments and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationships; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0038] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments. Example 1

[0039] like Figures 1-5 As shown, this application provides a pliers blade fixing device 100, including a fixing hole 110, which is located at the tail of the first pliers body 210 and extends through the body of the first pliers body 210.

[0040] A first tool slot 120 is provided on the first clamp body 210 to accommodate the blade 300. The slot of the first tool slot 120 extends toward the fixing hole 110. The first tool slot 120 can connect to the fixing hole 110. Connecting the tool slot to the fixing hole 110 allows more of the sidewall of the blade 300 to enter the coverage area of ​​the upper cap 132 and lower cap 133 of the retainer 130, making the blade 300 connected to the retainer 130 more stable.

[0041] like Figure 3 As shown, the retainer 130 is used to fix the blade 300. The retainer 130 includes a post 131 connected to the fixing hole 110. One end of the post 131 is fixedly or detachably connected to an upper cap 132, and the other end is detachably connected to a lower cap 133. Specifically, the lower cap 133 is threaded or snapped onto the post 131. The upper cap 132 and the lower cap 133 press against the two end faces of the blade 300, respectively, restricting the movement of the blade 300. The post 131 is provided with a second blade-clamping groove 134 extending along the length of the post 131. The second blade-clamping groove 134 can embed the tail of the blade 300 into the post 131. As the lower cap 133 is fastened to the bottom of the post 131, the second blade-clamping groove 134 will reduce its spacing under the pressure of the lower cap 133, thereby clamping the blade 300 and making the blade 300 more securely connected.

[0042] like Figure 3 As shown, the upper sleeve of the shaft 131 is also provided with a spring washer 135. The spring washer 135 can provide a preload to the blade 300, so that it can be buffered and prevent the blade 300 from being strongly squeezed and deformed by the upper cap 132 and the lower cap 133, making the blade 300 connection more stable.

[0043] During use, insert the blade 300 into the first slot, ensuring the tail of the blade 300 is within the protection range of the retainer 130. Next, insert the post 131 of the retainer 130 into the corresponding fixing hole 110, ensuring the upper cap 132 of the retainer 130 is tightly pressed against one end of the blade 300. Then, install the lower cap 133 at the bottom of the post 131, ensuring it applies pressure to the other end of the blade 300 to secure it. When the blade 300 becomes worn, the user only needs to remove the lower cap 133 and take out the post 131 to easily replace the blade 300. After replacement, the pliers will regain their function of cutting wire sheaths. Example 2

[0044] like Figure 4As shown, the pincer head 200 provided by the present application comprises a blade 300 connected to the first pincer body 210 and extending from the side of the first pincer body 210 to the second pincer body 220; a pincer head blade fixing device 100 arranged on the first pincer body 210, which has a shaft column 131 and a fixing seat, and the shaft column 131 is provided with a second blade clamping groove 134 for fixing the blade 300; and a roller 400 rotatably connected to the side of the second pincer body 220.

[0045] In use, the blade 300 is fixed on the first pincer body 210, and the roller 400 is fixed on the second pincer body 220. When the first pincer body 210 and the second pincer body 220 are close to each other, the electric wire is clamped. The blade 300 is inserted into the electric wire, and the electric wire can be longitudinally cut by pulling the electric wire. The fixing seat can stably clamp the blade 300, but can also be conveniently and timely replaced when the blade 300 is broken or worn.

[0046] As shown in the drawings, Figure 5 The tail of the blade 300 is connected to a blade seat 310, and the blade seat 310 is clamped in the second blade clamping groove 134. The blade seat 310 is integrally formed with the blade 300, and the blade seat 310 clamped in the second blade clamping groove can play a role in stabilizing the blade 300, so that the blade 300 is more tightly connected with the fixing seat.

[0047] The blade seat 310 is clamped in the second blade clamping groove 134 and fixed in the lower end cap 133 of the fixing seat. The blade seat 310 is first clamped in the second blade clamping groove 134, and the second blade clamping groove 134 wraps the corresponding part of the shaft column 131 and the lower end cap 133 of the fixing seat. With the tightening of the lower end cap 133, the second blade clamping groove 134 is clamped by extruding the shaft column 131, so as to clamp the blade seat 310. In this way, the blade 300 will not be loose or shake during the cutting of the electric wire.

[0048] The above has described the present application and its embodiments in a schematic manner, which is not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the present application, without departing from the creative purpose of the present application, similar structural modes and embodiments can be designed without creativity, which should all belong to the protection scope of the present application.

Claims

1. A jaw blade fixation device (100), characterized in that, The utility model provides a kind of first jaw blade fixing device (100) of fixed blade (300) in first jaw (210), it is characterized by: including Fixed hole (110), the fixed hole (110) is located at the tail of first jaw (210), and penetrates the body of the first jaw (210); First card cutter slot (120), the first card cutter slot (120) is arranged on the first jaw (210), for accommodating blade (300);The slot hole of the first card cutter slot (120) extends towards the direction of the fixed hole (110); Fixer (130), the fixer (130) includes shaft column (131) connected in the fixed hole (110), one end of the shaft column (131) is fixed or detachably connected with upper end cap (132), the other end is detachably connected with lower end cap (133);The upper end cap (132) and the lower end cap (133) are respectively pressed on the two end faces of the blade (300), limit the blade (300) movement.

2. The blade clamp fixture of claim 1, wherein, The card cutter slot is communicated to the fixed hole (110).

3. The blade clamp fixture of claim 1, wherein, Second card cutter slot (134) is provided on the shaft column (131) and extends along the length direction of the shaft column (131).

4. The blade clamp fixture of claim 1, wherein, Spring pad (135) is provided on the shaft column (131).

5. The blade clamp fixture of claim 1, wherein, The lower end cap (133) is threadedly connected on the shaft column (131).

6. A forceps head (200) characterized by, Including Blade (300), the blade (300) is connected on first jaw (210), and from the side of the first jaw (210) to the direction of second jaw (220) extends; Jaw blade fixing device (100) is arranged on the first jaw (210), and it has shaft column (131) and fixed seat, second card cutter slot (134) is arranged on the shaft column (131) and is used for fixing the blade (300); Roller (400), the roller (400) is rotatably connected on the side of the second jaw (220).

7. The forceps head (200) according to claim 6, characterized in that The tail of the blade (300) is connected with the blade seat (310), and the blade seat (310) is clamped in the second card cutter slot (134).

8. The forceps head (200) according to claim 7, characterized in that The blade seat (310) is fixed in the lower end cap (133) of the fixed seat.

9. A forceps comprising: Including the jaw blade fixing device (100) as claimed in any one of claims 1-5, the jaw blade fixing device (100) is used for detachably connecting the blade (300) on the tail of the first jaw (210).

10. A forceps comprising: Including the jaw (200) as claimed in any one of claims 6-8.

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