Anti-slip device for monkey wrench

Abstract

The utility model belongs to the field of monkey wrenches, in particular to an anti-slip device of a monkey wrench, which comprises a handle and an operating head, the operating head is fixedly assembled at one end of the handle, the operating head is provided with a fixed wrench lip, the operating head is provided with a movable wrench lip, the fixed wrench lip is provided with a traction cavity, a moving port and a movable port, and the operating head is provided with a fixed block. The fixed block is provided with a connecting rod, the connecting rod is provided with a limiting plate and a movable block, the limiting plate is provided with an installing block, the installing block is provided with an extending block, the extending block is provided with an assembling block, the assembling block is assembled with the movable wrench lip, the assembling block is assembled with the movable opening, the assembling block is provided with a movable block, the movable block is provided with a limiting block, and the limiting block is assembled with the movable opening. According to the anti-sliding device for the monkey wrench, through the cooperation of the rhombic block and the movable block, the problems that when a nut is unscrewed or screwed by an existing monkey wrench, the wrench is extremely prone to sliding down or falling off, the nut is separated from the wrench, and the operation effect is affected are solved.

Description

Technical Field

[0001] The utility model relates to the field of movable wrenches, in particular to an anti-slip device for movable wrenches. Background Art

[0002] The adjustable wrench is also called a spanner. The opening width can be adjusted within a certain range. It is a tool used to tighten and loosen nuts of different specifications. The adjustable wrench consists of a head and a handle. The head consists of an adjustable lip, a fixed lip, a wrench mouth, a turbine and a shaft pin.

[0003] When using an existing adjustable wrench, it is necessary to turn the turbine to move the movable wrench lip, so that the movable wrench lip and the fixed wrench lip can clamp the nut on the wrench mouth, which is convenient for tightening the bolt or nut. However, the existing adjustable wrench still has the following problems during use:

[0004] When the existing adjustable wrench is used to loosen or tighten a nut, the wrench is very likely to slide down or fall off, causing the nut to separate from the wrench, affecting the operating effect. Therefore, it is very necessary to provide an anti-slip device for an adjustable wrench in the existing adjustable wrench field. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, the existing adjustable wrench is very easy to slide down or fall off when loosening or tightening a nut, causing the nut and the wrench to separate, affecting the operating effect. The utility model provides an anti-slip device for an adjustable wrench.

[0006] The utility model solves the technical problem by adopting the following technical scheme: an anti-slip device for an active wrench comprises a handle and an operating head, the operating head is fixedly assembled on one end of the handle, a fixed lever lip is fixedly assembled on the operating head, and an active lever lip is movably assembled on the operating head, a traction cavity is arranged inside the fixed lever lip, a movable opening is arranged on the surface of the fixed lever lip, the movable opening is communicated with the traction cavity, two groups of movable openings are arranged on the side of the fixed lever lip, the movable opening is communicated with the traction cavity, a fixed block is fixedly assembled on the operating head, connecting rods are symmetrically fixedly assembled on two symmetrical side surfaces of the fixed block, limiting plates are fixedly assembled on one end of the two connecting rods, movable blocks are movably assembled on the two connecting rods, mounting blocks are fixedly assembled on the limiting plates, extension blocks are fixedly assembled on one end of the mounting blocks, and assembly blocks are fixedly assembled on one end of the extension blocks, one assembly block is fixedly assembled with the active lever lip, and the other assembly block is movably assembled with the movable opening, and a moving block is fixedly assembled on one end of the assembly block, two groups of limiting blocks are fixedly assembled on the moving block, and the limiting blocks are movably assembled with the movable opening correspondingly.

[0007] Preferably, the fixed block is fixedly equipped with a mounting rod, the mounting rod is movably equipped with a diamond block, the diamond block is symmetrically fixedly equipped with operating rods, the operating rods are close to both ends of the diamond block, and the movable blocks are fixedly equipped with fixed rods.

[0008] Preferably, the fixing rods are movably equipped with adjustment blocks, the other end of the adjustment blocks is movably equipped with the operating rod, and the operating head is equipped with a turbine.

[0009] Preferably, a connecting plate is fixedly mounted on the fixed lever lip, the connecting plate is located on one side of the movable lever lip, an operating block is fixedly mounted on the connecting plate, a guide cavity is arranged inside the operating block, and movable cavities are symmetrically arranged on the guide cavity.

[0010] Preferably, a threaded sleeve is movably mounted on the guide cavity, one end of the threaded sleeve movably passes through the operating block and the connecting plate, and one end of the threaded sleeve is fixedly mounted with a clamping block, and a sliding block is symmetrically fixedly mounted on the upper surface of the threaded sleeve, and the sliding block is movably mounted corresponding to the movable cavity.

[0011] Preferably, a transmission screw is movably mounted on the guide cavity, the transmission screw is threadedly assembled with the threaded sleeve, one end of the transmission screw movably penetrates the operating block, and one end of the transmission screw is fixedly mounted with a knob.

[0012] The utility model is beneficial in that:

[0013] The utility model places a nut between a fixed lever lip and an active lever lip, and turns the turbine so that the active lever lip moves in the direction of the fixed lever lip, and the active lever lip drives one of the movable blocks to move on the connecting rod. Under the coordinated cooperation of the adjusting block and the diamond block, the movement directions of the two movable blocks are opposite, and the limit blocks on the movable block move on the movable opening so that the two groups of limit blocks are located on both sides of the nut. At the same time, the movable lever lip clamps the nut, and the two groups of limit blocks limit the nut. The two groups of limit blocks are respectively located on one side of the screw hole of the nut. The active lever lip and the fixed lever lip clamp the nut, and the knob is twisted so that the transmission screw rotates on the threaded sleeve rod, and the sliding block moves on the moving cavity. At this time, the threaded sleeve rod drives the clamping block to move in the direction of the nut, so that the clamping block clamps the nut, which is convenient for the nut to not fall off during the assembly process, thereby improving the operation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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 work.

[0015] Figure 1 This is a schematic diagram of the structure of the adjustable wrench of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the adjustable wrench of the utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the clamping mechanism of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the limiting mechanism of the utility model.

[0019] In the figure:

[0020] 10. Handle; 11. Fixed lever lip; 12. Flexible lever lip; 13. Turbine;

[0021] 20. Moving port; 21. Fixed block; 22. Connecting plate; 23. Operating block;

[0022] 30. traction cavity; 31. movable opening; 32. moving block; 33. limiting block;

[0023] 40. guide cavity; 41. moving cavity; 42. threaded sleeve rod; 43. sliding block;

[0024] 50. Clamping block; 51. Transmission screw; 52. Knob; 53. Connecting rod;

[0025] 60. Limiting plate; 61. Movable block; 62. Mounting block; 63. Extension block;

[0026] 70. Assembly block; 71. Mounting rod; 72. Diamond block; 73. Operating rod;

[0027] 80. Fixing rod; 81. Adjusting block. DETAILED DESCRIPTION

[0028] 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 of 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.

[0029] The following is combined with Figure 1 —4 further details of this application,

[0030] The present application embodiment discloses a device for preventing an adjustable wrench from slipping. Figure 1 and Figure 2 as well as Figure 4A device for preventing an adjustable wrench from slipping comprises a handle 10 and an operating head, wherein the operating head is fixedly mounted on one end of the handle 10, a fixed lever lip 11 is fixedly mounted on the operating head, and an active lever lip 12 is movably mounted on the operating head, a traction cavity 30 is arranged inside the fixed lever lip 11, a movable opening 20 communicating with the traction cavity 30 is arranged on the surface of the fixed lever lip 11, and two groups of active openings 31 communicating with the traction cavity 30 are arranged on the side of the fixed lever lip 11, a fixed block 21 is fixedly mounted on the operating head, and both symmetrical sides of the fixed block 21 are The connecting rods 53 are symmetrically fixedly assembled, one end of the two connecting rods 53 is fixedly assembled with a limit plate 60, and the two connecting rods 53 are movably assembled with a movable block 61. The limit plate 60 is fixedly assembled with a mounting block 62, one end of the mounting block 62 is fixedly assembled with an extension block 63, and one end of the extension block 63 is fixedly assembled with an assembly block 70, one of the assembly blocks 70 is fixedly assembled with the movable lever lip 12, and the other assembly block 70 moves on the moving port 20, and one end of the assembly block 70 is fixedly assembled with a moving block 3 2. The movable block 32 is fixedly equipped with two groups of limit blocks 33 that move in the movable opening 31. The fixed block 21 is fixedly equipped with a mounting rod 71. The mounting rod 71 is movably equipped with a diamond block 72. The diamond block 72 is symmetrically fixedly equipped with an operating rod 73. The operating rod 73 is close to both ends of the diamond block 72. The movable block 61 is fixedly equipped with a fixed rod 80. The fixed rod 80 is movably equipped with an adjustment block 81. The other end of the adjustment block 81 is movably assembled with the operating rod 73. The operating head is equipped with a turbine 13. , place the nut between the fixed lever lip 11 and the movable lever lip 12, and turn the turbine 13 to make the movable lever lip 12 move toward the fixed lever lip 11, and the movable lever lip 12 drives one of the movable blocks 61 to move on the connecting rod 53. Under the coordination of the adjustment block 81 and the diamond block 72, the movement directions of the two movable blocks 61 are opposite, and the limit blocks 33 on the movable block 32 move on the movable opening 31, so that the two groups of limit blocks 33 are located on both sides of the nut, and the movable lever lip 12 clamps the nut at the same time.

[0031] Reference Figure 1 - Figure 3The fixed lever lip 11 is fixedly provided with a connecting plate 22, which is located on one side of the movable lever lip 12. The connecting plate 22 is fixedly provided with an operating block 23. A guide cavity 40 is provided inside the operating block 23. A moving cavity 41 is symmetrically provided on the guiding cavity 40. A threaded sleeve 42 is movably provided on the guiding cavity 40. One end of the threaded sleeve 42 movably penetrates the operating block 23 and the connecting plate 22, and a clamping block 50 is fixedly provided on one end of the threaded sleeve 42. A sliding block 43 that moves in the moving cavity 41 is symmetrically fixedly provided on the upper surface of the threaded sleeve 42. A sliding block 43 that moves in the moving cavity 41 is movably provided on the guiding cavity 40. A transmission screw rod 51 is assembled with a thread, one end of which movably passes through the operating block 23, and one end of the transmission screw rod 51 is fixedly equipped with a knob 52. Two sets of limit blocks 33 limit the nut, and the two sets of limit blocks 33 are respectively located on one side of the screw hole of the nut. The movable lever lip 12 and the fixed lever lip 11 clamp the nut. The knob 52 is twisted to make the transmission screw rod 51 rotate on the threaded sleeve 42, and the sliding block 43 moves on the moving cavity 41. At this time, the threaded sleeve 42 drives the clamping block 50 to move toward the direction of the nut, so that the clamping block 50 clamps the nut, so that the nut will not fall off during the assembly process.

[0032] Working principle: Place the nut between the fixed lever lip 11 and the movable lever lip 12, and turn the turbine 13 to make the movable lever lip 12 move toward the fixed lever lip 11. The movable lever lip 12 drives one of the movable blocks 61 to move on the connecting rod 53. Under the coordination of the adjustment block 81 and the diamond block 72, the movement directions of the two movable blocks 61 are opposite. The limit blocks 33 on the movable block 32 move on the movable opening 31, so that the two groups of limit blocks 33 are located on both sides of the nut. At the same time, the movable lever lip 12 is The nut is clamped, and two groups of limit blocks 33 limit the nut. The two groups of limit blocks 33 are respectively located on one side of the screw hole of the nut. The movable lip 12 and the fixed lip 11 clamp the nut. The knob 52 is twisted to make the transmission screw 51 rotate on the threaded sleeve 42, and the sliding block 43 moves on the moving cavity 41. At this time, the threaded sleeve 42 drives the clamping block 50 to move toward the direction of the nut, so that the clamping block 50 clamps the nut, which is convenient for the nut to not fall off during the assembly process, thereby improving the operation effect.

[0033] 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. An anti-slip device for an adjustable wrench, characterized in that: The invention comprises a handle (10) and an operating head, wherein the operating head is fixedly mounted on one end of the handle (10), a fixed lever lip (11) is fixedly mounted on the operating head, a movable lever lip (12) is movably mounted on the operating head, a traction cavity (30) is arranged inside the fixed lever lip (11), a movable opening (20) is arranged on the surface of the fixed lever lip (11), the movable opening (20) is connected with the traction cavity (30), two groups of movable openings (31) are arranged on the side of the fixed lever lip (11), the movable openings (31) are connected with the traction cavity (30), a fixed block (21) is fixedly mounted on the operating head, and connecting rods (53) are symmetrically fixedly mounted on the symmetrical two sides of the fixed block (21), and one of the two connecting rods (53) is connected to the other. A limit plate (60) is fixedly assembled at one end, and movable blocks (61) are movably assembled on the two connecting rods (53). A mounting block (62) is fixedly assembled on each of the limit plates (60). An extension block (63) is fixedly assembled on one end of the mounting block (62). An assembly block (70) is fixedly assembled on one end of the extension block (63). One assembly block (70) is fixedly assembled with the movable lever lip (12), and the other assembly block (70) is movably assembled with the movable opening (20). A movable block (32) is fixedly assembled on one end of the assembly block (70). Two groups of limit blocks (33) are fixedly assembled on the movable block (32), and the limit blocks (33) are movably assembled with the movable opening (31) correspondingly.

2. The anti-slip device for an adjustable wrench according to claim 1, characterized in that: The fixed block (21) is fixedly equipped with a mounting rod (71), the mounting rod (71) is movably equipped with a diamond block (72), the diamond block (72) is symmetrically fixedly equipped with operating rods (73), the operating rods (73) are close to both ends of the diamond block (72), and the movable block (61) is fixedly equipped with a fixed rod (80).

3. The anti-slip device for an adjustable wrench according to claim 2, characterized in that: The fixing rod (80) is movably equipped with an adjusting block (81), and the other end of the adjusting block (81) is movably assembled with the operating rod (73), and the operating head is equipped with a turbine (13).

4. The anti-slip device for an adjustable wrench according to claim 1, characterized in that: A connecting plate (22) is fixedly mounted on the fixed lever lip (11), the connecting plate (22) is located on one side of the movable lever lip (12), an operating block (23) is fixedly mounted on the connecting plate (22), a guide cavity (40) is arranged inside the operating block (23), and a movable cavity (41) is symmetrically arranged on the guide cavity (40).

5. The anti-slip device for an adjustable wrench according to claim 4, characterized in that: A threaded sleeve rod (42) is movably mounted on the guide cavity (40), one end of the threaded sleeve rod (42) movably penetrates the operating block (23) and the connecting plate (22), and one end of the threaded sleeve rod (42) is fixedly mounted with a clamping block (50), and a sliding block (43) is symmetrically fixedly mounted on the upper surface of the threaded sleeve rod (42), and the sliding block (43) is movably mounted corresponding to the movable cavity (41).

6. The anti-slip device for an adjustable wrench according to claim 5, characterized in that: A transmission screw (51) is movably mounted on the guide cavity (40), the transmission screw (51) is threadedly mounted with the threaded sleeve (42), one end of the transmission screw (51) movably penetrates the operating block (23), and one end of the transmission screw (51) is fixedly mounted with a knob (52).

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