Multifunctional adjustable locking pliers

Abstract

The utility model belongs to the technical field of plier tools, and particularly relates to a multifunctional adjustable locking plier which comprises a plier head and a handle which are installed in a matched mode, the plier head comprises a connecting base, one end of the connecting base is connected with a clamping portion in a sliding mode, and adjusting assemblies are installed on the surface of the clamping portion and the surface of the connecting base. The adjusting assembly comprises a plurality of vertically distributed adjusting grooves and adjusting blocks; the adjusting block is inserted into the adjusting groove through the elastic force of the spring piece, the plier heads are fixedly connected with the connecting base, the adjusting block is pushed to retreat from the adjusting groove, connection between the plier heads and the connecting base can be eliminated, and then the distance between the plier heads can be adjusted by sliding the adjusting block, so that the distance between the plier heads is suitable for the size of an object.

Description

Technical Field

[0001] The utility model relates to the technical field of pliers tools, in particular to a pair of multifunctional adjustable locking pliers. Background Art

[0002] Locking pliers are common clamping tools; however, their jaws (clamping openings) have certain maximum limitations during use. Even if some locking pliers can adjust the size of the jaws through the bolts at the end of the handle, it is still very limited; and when the size of the jaws is adjusted through the bolts at the end of the handle, the adjustment is very slow. In addition, the adjustment of common locking pliers is fuzzy, and the control of the size of the jaw opening depends on estimation, and sometimes it needs to be adjusted back and forth multiple times, which is inconvenient.

[0003] The existing Chinese patent with announcement number CN219485402U discloses a multifunctional adjustable locking pliers, comprising a handle 1, a handle 2 and a lower jaw which are movably connected to each other, a fixing block is fixedly provided at the end of the handle 2, a movable groove is vertically penetrated on the fixing block, and a plurality of through-hole grooves arranged linearly and equidistantly are opened on the end face of the fixing block away from the handle 2, the through-hole grooves are connected with the movable groove, and the small spring is compressed by pulling the block by hand, and the embedded fixing piece is located in the movable groove and approaches one side of the spring mounting hole, and the embedded block is moved out of the embedded groove and received into the inside of the through-hole groove, so that the upper jaw can be moved on the fixing block, so that the distance between the upper jaw and the lower jaw is suitable for the size of the object; by pressing the thrust spring, the upper jaw and the lower jaw have a tendency to approach each other, so that the upper jaw and the lower jaw are stably squeezed on the clamped object, making the adjustable locking pliers of the utility model more convenient when used.

[0004] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: the protruding setting of the fixing block of the device will increase the size of the pliers head, which will relatively affect the use of the pliers in narrow spaces and needs to be improved; therefore, a multifunctional adjustable pliers is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the above-mentioned technical problems, the utility model provides a multifunctional adjustable locking pliers.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: the utility model is a multifunctional adjustable pliers, comprising two pliers heads and a handle which are installed in a matching manner, wherein a single connecting rod, a sliding mechanism and a locking mechanism are installed on the handle, wherein the connecting rod, the sliding mechanism and the locking mechanism belong to the prior art, the pliers head comprises a connecting seat, one end of the connecting seat is slidably connected with a clamping part, and the surfaces of the clamping part and the connecting seat are installed with an adjustment component, the adjustment component comprises a plurality of vertically distributed adjustment grooves and an adjustment block, the adjustment groove is arranged on the side wall of the clamping part, the adjustment block is slidably connected with the connecting seat, the side wall of the adjustment block is fixedly connected with a spring member, the other end of the spring member is fixedly connected with the connecting seat, the adjustment block is inserted into the interior of the adjustment groove through the elastic force of the spring member, the pliers head is fixedly connected with the connecting seat, when the spacing between the pliers heads needs to be adjusted, the adjustment block is pushed out of the adjustment groove, the connection between the pliers head and the connecting seat can be cancelled, and then the adjustment block can be slid to adjust the spacing between the pliers heads, so that the spacing between the pliers heads is suitable for the size of the object.

[0007] Preferably, the adjustment block is configured to be T-shaped.

[0008] Preferably, the clamping portion includes a connecting head and a pliers mouth, which are connected to the threaded connecting hole by bolts, thereby fixing the connecting head and the pliers mouth. The pliers mouth of different shapes can be replaced by removing the bolts to meet the use requirements of multiple working conditions.

[0009] Preferably, the surface of the pliers mouth is provided with anti-slip teeth.

[0010] Preferably, a surface of the connector protrudes outward to form a block.

[0011] Preferably, a slot is provided on the surface of the pliers mouth, and the card block is inserted into the slot.

[0012] Preferably, a threaded connection hole is provided on the surface of the clamping block.

[0013] Preferably, a connecting port is provided at the front end of the pliers mouth, and a bolt is inserted into the connecting port.

[0014] The utility model is beneficial in that:

[0015] 1. The adjusting block of the utility model is inserted into the adjusting groove through the elastic force of the spring member, and the pliers head is fixedly connected to the connecting seat. By pushing the adjusting block out of the adjusting groove, the connection between the pliers head and the connecting seat can be cancelled, and then the adjusting block can be slid to adjust the distance between the pliers heads so that the distance between the pliers heads is suitable for the size of the object.

[0016] 2. The utility model is connected to the threaded connection hole by bolts, thereby fixing the connection head and the pliers mouth. The pliers mouth of different shapes can be replaced by removing the bolts to meet the use requirements of multiple working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Side view;

[0020] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the adjustment slot of the utility model;

[0022] Figure 5 This is an exploded view of the clamping part of the utility model.

[0023] In the figure: 1. pliers head; 11. connecting seat; 12. clamping part; 121. connecting head; 122. pliers mouth; 123. clamping block; 124. clamping slot; 125. connecting port; 126. bolt; 127. threaded connecting hole; 2. handle; 3. adjustment assembly; 31. adjustment slot; 32. adjustment block; 33. spring member. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] See also Figure 1-4As shown, a multifunctional adjustable locking pliers comprises two matched mounted pliers heads 1 and a handle 2, the pliers head 1 comprises a connecting seat 11, one end of the connecting seat 11 is slidably connected with a clamping portion 12, and an adjusting component 3 is installed on the surfaces of the clamping portion 12 and the connecting seat 11, the adjusting component 3 comprises a plurality of vertically distributed adjusting slots 31 and an adjusting block 32, the adjusting slot 31 is arranged on the side wall of the clamping portion 12, the adjusting block 32 is slidably connected with the connecting seat 11, the side wall of the adjusting block 32 is fixedly connected with a spring member 33, the other end of the spring member 33 is fixedly connected with the connecting seat 11, the adjusting block 32 is inserted into the inside of the adjusting slot 31 by the elastic force of the spring member 33, the pliers head 1 is fixedly connected with the connecting seat 11, when the spacing between the pliers heads 1 needs to be adjusted, the adjusting block 32 is pushed out of the adjusting slot 31, the connection between the pliers heads 1 and the connecting seat 11 can be cancelled, and then the adjusting block 32 can be slid to adjust the spacing between the pliers heads 1, so that the spacing between the pliers heads 1 is suitable for the size of the object.

[0027] The adjustment block 32 is provided in a T-shape.

[0028] Embodiment 2

[0029] For comparison with Example 1, please refer to Figure 5 As shown, the utility model provides another embodiment, the clamping part 12 includes a connecting head 121 and a jaw 122, which are connected to a threaded connecting hole 127 by a bolt 126, thereby fixing the connecting head 121 and the jaw 122 in connection, and the jaws 122 of different shapes can be replaced by removing the bolt 126 to meet the use requirements of multiple working conditions.

[0030] The surface of the jaws 122 is provided with anti-slip teeth.

[0031] A block 123 is formed on the surface of the connector 121 protruding outward.

[0032] A slot 124 is formed on the surface of the jaw 122 , and the clamp block 123 is inserted into the slot 124 .

[0033] A threaded connection hole 127 is formed on the surface of the clamping block 123 .

[0034] A connection opening 125 is formed at the front end of the pliers mouth 122 , and a bolt 126 is inserted into the connection opening 125 .

[0035] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art.

[0036] Working principle: the adjustment block 32 is inserted into the adjustment groove 31 through the elastic force of the spring member 33 to fix the pliers head 1 and the connecting seat 11. When the spacing between the pliers heads 1 needs to be adjusted, the adjustment block 32 is pushed out of the adjustment groove 31 to cancel the connection between the pliers head 1 and the connecting seat 11, and then the adjustment block 32 can be slid to adjust the spacing between the pliers heads 1 so that the spacing between the pliers heads 1 is suitable for the size of the object.

[0037] The connecting head 121 and the pliers mouth 122 are fixedly connected by connecting the bolt 126 with the threaded connection hole 127 . The pliers mouth 122 of different shapes can be replaced by removing the bolt 126 to meet the use requirements of multiple working conditions.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A multifunctional adjustable locking pliers, comprising two matching pliers heads (1) and a handle (2), characterized in that: The pliers head (1) comprises a connecting seat (11), one end of the connecting seat (11) is slidably connected to a clamping portion (12), the surfaces of the clamping portion (12) and the connecting seat (11) are provided with an adjustment assembly (3), the adjustment assembly (3) comprises a plurality of vertically distributed adjustment grooves (31) and an adjustment block (32), the adjustment grooves (31) are provided on the side walls of the clamping portion (12), the adjustment block (32) is slidably connected to the connecting seat (11), the side walls of the adjustment block (32) are fixedly connected to a spring member (33), the other end of the spring member (33) is fixedly connected to the connecting seat (11).

2. The multifunctional adjustable locking pliers according to claim 1, characterized in that: The regulating block (32) is configured to be T-shaped.

3. The multifunctional adjustable locking pliers according to claim 1, characterized in that: The clamping portion (12) comprises a connecting head (121) and a clamp mouth (122).

4. The multifunctional adjustable locking pliers according to claim 3, characterized in that: The surface of the pliers mouth (122) is provided with anti-slip teeth.

5. The multifunctional adjustable locking pliers according to claim 3, characterized in that: The surface of the connecting head (121) protrudes outwards to form a clamping block (123).

6. The multifunctional adjustable locking pliers according to claim 3, characterized in that: A clamping groove (124) is provided on the surface of the pliers mouth (122).

7. The multifunctional adjustable locking pliers according to claim 5, characterized in that: A threaded connection hole (127) is provided on the surface of the clamping block (123).

8. The multifunctional adjustable locking pliers according to claim 3, characterized in that: A connecting opening (125) is provided at the front end of the pliers mouth (122), and a bolt (126) is inserted into the interior of the connecting opening (125).

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