CN215659947U

CN215659947U - Adjustable wrench manufactured by stamping technology

Info

Publication number: CN215659947U
Application number: CN202121881360.9U
Authority: CN
Inventors: 林旭东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-28
Anticipated expiration: 2031-08-11
Also published as: WO2023016490A1

Abstract

The utility model discloses an adjustable wrench manufactured by utilizing a stamping technology, which comprises a wrench body, an adjusting nut, a first fixed wrench head with a threaded rod and a first movable wrench head, wherein the wrench body is provided with a sliding chute and a first avoidance hole, the threaded rod is arranged in the sliding chute, the adjusting nut is rotatably connected with the side wall of the first avoidance hole through a first rotating shaft, the thread of the adjusting nut is matched with the thread of the threaded rod, the wrench body comprises an upper pressing sheet, a spacer and a lower pressing sheet, the first fixed wrench head comprises an upper wrench sheet, a lower wrench sheet and a fixed wrench sheet, the upper wrench sheet and the upper pressing sheet are integrally formed, the lower wrench sheet and the lower pressing sheet are integrally formed, the sliding chute is arranged between the upper pressing sheet and the lower pressing sheet, the first avoidance hole is arranged at the position corresponding to the upper pressing sheet, the spacer and the lower pressing sheet, a rotating groove is arranged on the side wall of the first avoidance hole on the spacer, and the first rotating shaft is arranged in the rotating groove. The adjustable wrench has the advantages of simple production process flow, high production efficiency, reduced cost, guaranteed quality and capability of avoiding quality defects such as sand holes, cracks, honeycombs, fractures and the like.

Description

Adjustable wrench manufactured by stamping technology

Technical Field

The utility model belongs to the technical field of manual tools, and particularly relates to an adjustable wrench manufactured by utilizing a stamping technology.

Background

The wrench is a manual tool for screwing screws and nuts, and the adjustable wrench has the function of adjusting the distance between the fixed tong head and the movable tong head, so that the adjustable wrench can be suitable for screwing screws and nuts of different specifications, and is wide in application range.

As the Chinese utility model patent publication number is: CN203185203U discloses an adjustable spanner body structure, including pulling the body, connect in the trigger of pulling the body tail end, locate the first fixed binding clip of pulling the body front end, the movable binding clip that sets up relatively with fixed binding clip, and the lid of lid on pulling the body, foretell movable binding clip trailing end connection has the threaded rod, the spout and the storage tank have been seted up on pulling the body, threaded rod sliding fit is in the spout, the storage tank internal rotation is connected with adjusting nut, adjusting nut's screw thread and the screw thread of threaded rod are mutually supported, the lid corresponds the adjusting nut position and is equipped with and dodges the hole. When the adjustable spanner is used, the adjusting nut can be pushed by a hand to rotate, so that the adjusting nut drives the threaded rod to slide left and right relative to the sliding groove while rotating, and the threaded rod can simultaneously drive the movable binding clip to move, so that the distance between the movable binding clip and the fixed binding clip can be adjusted, the adjustable spanner is suitable for operating screws and nuts of different specifications, and is convenient to adjust and wide in application range.

However, the adjustable wrench is manufactured by using a casting process, the casting process flow is complex and long, the internal structure of the product is easy to generate phenomena such as honeycombing, shrinkage, deformation and the like, the rejection rate of a casting rough blank is 25% -28%, unqualified products are mainly reflected in appearance and other quality problems such as sand holes, cracks, steam bubbles, pressure test fracture and the like, so that the wrench is high in production cost, low in production efficiency and high in product rejection rate, and is not suitable for the currently advocated low-carbon environmental protection requirement.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages in the prior art, an object of the present invention is to provide a monkey wrench manufactured by stamping technology with low production cost and high production efficiency.

In order to achieve the purpose, the utility model adopts the technical scheme that: a movable spanner manufactured by utilizing a stamping technology comprises a spanner body, a first fixed tong head arranged at the front end of the spanner body and a first movable tong head arranged opposite to the first fixed tong head, wherein the tail end of the first movable tong head is connected with a threaded rod, the spanner body is provided with a sliding chute corresponding to the threaded rod, the threaded rod is in sliding fit in the sliding chute, a first avoidance hole is arranged at the position of the side wall of the sliding chute corresponding to the spanner body, the first avoidance hole is communicated with the sliding chute, an adjusting nut is arranged in the first avoidance hole and is rotatably connected with the side wall of the first avoidance hole through a first rotating shaft, the thread of the adjusting nut is matched with the thread of the threaded rod, the spanner body comprises an upper pressing sheet, a spacer and a lower pressing sheet which are sequentially overlapped from top to bottom, the first fixed tong head comprises an upper tong sheet, a lower tong sheet and a fixed tong sheet arranged between the upper tong sheet and the lower tong sheet, the upper tong sheet is arranged at the front end of the upper pressing sheet and is integrally formed with the upper pressing sheet, lower clamp plate locates preforming front end down and with lower preforming integrated into one piece, the spout is seted up in last preforming and down between the preforming, the first hole of dodging is seted up at last preforming, spacer and lower preforming and corresponds the position, and is located the first hole lateral wall of dodging on the spacer and is equipped with the turn trough, and the turn trough is arranged in to first pivot.

In the scheme, the spanner body is formed by superposing three flaky plates (an upper pressing plate, a spacer and a lower pressing plate) so as to simplify the shape structure of the plate body, the three flaky plates can be directly manufactured by stamping a steel plate during production, the process flow is simple, the production efficiency is high, the production cost is reduced, the quality is ensured, and fatal quality defects such as sand holes, cracks, honeycombs, fracture and the like are avoided. The upper pressing sheet, the spacer and the lower pressing sheet can be fixed by rivets when being installed, and the fixed binding clip is also fixed with the upper binding clip and the lower binding clip by the rivets, so that the assembly is convenient and the structure is stable. In addition, the first rotating shaft is arranged in the rotating groove, so that the assembly of the adjusting nut can be facilitated, the upper pressing sheet and the lower pressing sheet can block the first rotating shaft to move in the up-and-down direction, and therefore the adjusting nut is guaranteed not to be separated from the first avoiding hole.

Furthermore, a connecting lug is arranged on the right side of the fixed clamp piece, a tool piece is arranged between the connecting lug and the upper pressing piece, a fourth rotating shaft sequentially penetrates through the connecting lug and the tool piece to be connected with the upper pressing piece, the tool piece can rotate around the fourth rotating shaft to be opened and closed, the number of the tool pieces is two, and the two tool pieces are respectively a blade and a screwdriver. When the screwdriver is used, the blade can be rotated to be opened for cutting objects, the screwdriver can be used for screwing screws, and when the screwdriver is not used, the blade and the screwdriver can be rotated to be closed, so that the screwdriver is convenient to carry.

Furthermore, the side wall of the screwdriver is provided with a convex column, the upper pressing sheet is provided with an avoiding groove corresponding to the convex column, and the convex column is arranged in the avoiding groove when the screwdriver is in a closed state. Therefore, the screwdriver can be turned and opened by stirring the convex column, and the screwdriver is more convenient to open.

Furthermore, the side wall of the screwdriver is provided with a bottle opening notch for opening the bottle cap.

Furthermore, the cross section of the threaded rod is of a square structure, so that the structural stability of the threaded rod is improved.

Furthermore, the adjustable wrench further comprises a second movable binding clip and a second fixed binding clip arranged at the tail end of the upper pressing sheet, the second movable binding clip is connected with the tail end of the upper pressing sheet through a second rotating shaft, so that the second movable binding clip can rotate around the second rotating shaft to be clamped with and separated from the second fixed binding clip, and the second movable binding clip is connected with a clamp handle. When the adjustable wrench is used, the wrench handle can be operated to drive the second movable wrench head to rotate to be clamped with and separated from the second fixed wrench head, the operation is convenient, and the second movable wrench head and the second fixed wrench head can be used for clamping articles, so that the using function of the adjustable wrench is increased.

Furthermore, the adjustable wrench comprises a locking mechanism capable of locking the second fixed binding clip and the second movable binding clip in a clamping state, the locking mechanism comprises a lock catch hinged to the upper pressing plate and a lock groove arranged on the second movable binding clip, the upper pressing plate is provided with a second avoiding hole, the front end of the lock catch penetrates through the second avoiding hole, when the second movable binding clip is rotated to the clamping state, the lock catch is rotated to enable the front end of the lock catch to be inserted into the lock groove, so that the second movable binding clip is locked in the clamping state, and after the lock catch is rotated to be separated from the lock groove, the second movable binding clip and the second fixed binding clip can be continuously rotated to be separated from each other.

Further, foretell hasp passes through the connecting rod and is connected with last preforming, and the one end of connecting rod is passed through the third pivot and is connected on last preforming, and the connecting rod can be around third pivot level rotation, and the other end and the hasp of connecting rod are connected, and hasp and connecting rod mutually perpendicular set up, rotate the connecting rod and can drive the relative second of hasp and dodge the hole and slide, more conveniently rotate the hasp like this and insert and break away from the locked groove.

The adjustable wrench has the beneficial effects that: 1. the spanner body is formed by superposing three flaky plates (an upper pressing plate, a spacer and a lower pressing plate), the flaky plates can be directly manufactured by stamping steel plates, so that the manufacturing process of products is simpler, the production efficiency is high, and compared with the adjustable spanner manufactured by a casting process, the adjustable spanner manufactured by the stamping technology can not have fatal quality defects such as sand holes, cracks, honeycombs, fracture and the like in the production process, and the production cost is reduced. 2. The second movable clamp head and the second fixed clamp head can be used for clamping articles, the blade can be used for cutting articles, the screwdriver can be used for screwing a screw and also has a bottle opening effect, and the purpose is various. 3. The lock catch can lock the second movable tong head in a clamping state and cannot rotate, the structure is stable, the closing blade and the screwdriver can be rotated when the second movable tong head is not used, and the carrying is convenient.

Drawings

Fig. 1 is an exploded schematic view of the adjustable wrench according to the present embodiment.

Fig. 2 is an exploded schematic view of the adjustable wrench of the present embodiment.

Fig. 3 is a front structural diagram of the adjustable wrench in the closed state according to the present embodiment.

Fig. 4 is a schematic back structure view of the closed state of the adjustable wrench according to the present embodiment.

Fig. 5 is a structural diagram illustrating an open state of the adjustable wrench according to the present embodiment.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the patent.

In order to explain the embodiment more simply, some parts of the drawings or descriptions that are well known to those skilled in the art but are not relevant to the main content of the present invention will be omitted. In addition, some components in the drawings may be omitted, enlarged or reduced for convenience of description, but do not represent the size or the entire structure of an actual product.

Examples

As shown in fig. 1-3, the present invention provides an adjustable wrench manufactured by using a stamping technique, which includes a wrench body 1, a first fixed wrench head 21 disposed at a front end of the wrench body 1, and a first movable wrench head 22 disposed opposite to the first fixed wrench head 21, wherein a threaded rod 221 is connected to a rear end of the first movable wrench head 22, a cross section of the threaded rod 221 is a square structure, a sliding slot 110 is disposed at a position of the wrench body 1 corresponding to the threaded rod 221, and the threaded rod 221 is slidably fitted in the sliding slot 110, so that the threaded rod 221 can slide left and right relative to the sliding slot 110. The aforesaid spanner body 1 corresponds the spout 110 lateral wall position and is equipped with first hole 10 of dodging, and first hole 10 of dodging is linked together with spout 110, is equipped with adjusting nut 3 in the first hole 10 of dodging, and adjusting nut 3 is connected with first hole 10 lateral wall of dodging through first pivot 41 rotation, and the outside of adjusting nut 3 and the tail end face of threaded rod 221 all are equipped with the screw thread, and the screw thread of adjusting nut 3 and the screw thread of threaded rod 221 are mutually supported. During the use, rotate adjusting nut 3 and can drive threaded rod 221 and slide relative to spout 110, when threaded rod 221 slided left relative to spout 110, can drive first movable binding clip 22 and remove left to increase the distance between first movable binding clip 22 and the first fixed binding clip 21, and when threaded rod 221 slided right relative to spout 110, then can reduce the distance between first movable binding clip 22 and the first fixed binding clip 21. Therefore, the distance between the first movable binding clip 22 and the first fixed binding clip 21 can be adjusted at will to adapt to the screwing operation of screws and nuts with different specifications.

The wrench body 1 includes an upper pressing plate 11, a spacer 12 and a lower pressing plate 13 stacked in sequence from top to bottom, the upper pressing plate 11, the spacer 12 and the lower pressing plate 13 are fixed by a rivet after being stacked, the first fixed binding clip 21 includes an upper clamping piece 211, a lower clamping piece 212 and a fixed clamping piece 213 disposed between the upper clamping piece 211 and the lower clamping piece 212, the upper clamping piece 211 is disposed at the front end of the upper pressing plate 11 and integrally formed with the upper pressing plate 11, the lower clamping piece 212 is disposed at the front end of the lower pressing plate 13 and integrally formed with the lower pressing plate 13, the fixed clamping piece 213 is fixed to the upper clamping piece 211 and the lower clamping piece 212 by a rivet, the sliding groove 110 is disposed at a position between the upper pressing plate 11 and the lower pressing plate 13, the first avoiding hole 10 is disposed at a position corresponding to the upper pressing plate 11, the spacer 12 and the lower pressing plate 13, a rotating groove 121 is disposed on the side wall of the first avoiding hole 10 disposed on the spacer 12, the end of the first rotating shaft 41 is disposed in the rotating groove 121, so that the first rotating shaft 41 can rotate in the rotating slot 121, and the upper pressing piece 11 and the lower pressing piece 13 can block the first rotating shaft 41 from moving up and down, thereby ensuring that the adjusting nut 3 cannot be separated from the first avoiding hole 10. The wrench body 1 of the embodiment is formed by superposing three flaky plates (namely, the upper pressing plate 11, the spacer 12 and the lower pressing plate 13) so as to simplify the shape and structure of the wrench body 1, and the three flaky plates can be directly manufactured by stamping steel plates during production, so that the wrench body has the advantages of simple process flow, high production efficiency, production cost reduction, quality guarantee and prevention of fatal quality defects such as sand holes, cracks, honeycombs, fracture and the like. The steel plate types adopted in the stamping process of the embodiment are as follows: 2cr13, thickness: 2.8mm to 3mm, the Rockwell hardness is: 48 to 50 degrees.

The adjustable wrench further comprises a second movable binding clip 32 and a second fixed binding clip 31 arranged at the tail end of the upper pressing plate 11, the second movable binding clip 32 is connected with the tail end of the upper pressing plate 11 through a second rotating shaft 42, so that the second movable binding clip 32 can rotate around the second rotating shaft 42 to be clamped with and separated from the second fixed binding clip 31, and the second movable binding clip 32 is connected with a binding clip 321. When the clamp is used, the handle 321 can be operated to drive the second movable clamp head 32 to rotate to be clamped with and separated from the second fixed clamp head 31, so as to clamp an article.

The adjustable wrench further comprises a locking mechanism capable of locking the second fixed binding clip 31 and the second movable binding clip 32 in a clamping state, the locking mechanism comprises a lock catch 51 hinged to the upper pressing plate 11 and a lock groove 50 arranged on the second movable binding clip 32, the lock catch 51 is connected with the upper pressing plate 11 through a connecting rod 52, the right end of the connecting rod 52 is connected to the upper pressing plate 11 through a third rotating shaft 43, the left end of the connecting rod 52 is connected with the lock catch 51, the connecting rod 52 can horizontally rotate around the third rotating shaft 43, the lock catch 51 is perpendicular to the connecting rod 52, a second avoiding hole 111 is formed in the position, corresponding to the lock catch 51, of the upper pressing plate 11, and the lower end of the lock catch 51 penetrates through the second avoiding hole 111. During the use, rotate connecting rod 52 and can drive hasp 51 and dodge the hole 111 and slide relatively to the second, as shown in fig. 3, when rotating second activity binding clip 32 to the clamping state, rotate connecting rod 52 this moment and drive hasp 51 and dodge the hole 111 and slide backward relatively to the second, can make the lower extreme of hasp 51 insert in the locked groove 50 of second activity binding clip 32 to lock second activity binding clip 32 in the clamping state, avoid second activity binding clip 32 automatic rotation separation. As shown in fig. 5, when the second movable binding clip 32 needs to be rotated to the separated state, the rotatable link 52 drives the lock catch 51 to slide forward, so that the lock catch 51 is disengaged from the lock slot 50, and the lock can be released, thereby rotating the second movable binding clip 32 to the separated state.

As shown in fig. 1, in order to increase the functionality of the adjustable wrench, the right side of the fixed wrench piece 213 is provided with a connecting lug 2131, a tool is disposed between the connecting lug 2131 and the upper pressing piece 11, the fourth rotating shaft 42 sequentially passes through the connecting lug 2131 and the tool to be connected with the upper pressing piece 11, and the tool can rotate around the fourth rotating shaft 42 to open and close. As shown in FIG. 4, when the second movable jaw 32 is rotated to the clamping state and the tool piece is rotated to the closed state, the tool piece is closed between the upper pressing plate 11 and the handle 321. As shown in fig. 5, the two tool pieces are respectively a blade 61 and a screwdriver 62, a convex column 621 is disposed on a side wall of the screwdriver 62, an avoiding groove 112 is disposed at a position of the upper pressing plate 11 corresponding to the convex column 621, and the convex column 621 is disposed in the avoiding groove 112 when the screwdriver 62 is in a closed state, so that the screwdriver 62 can be opened by rotating the convex column 621, and the opening is more convenient. The side wall of the screwdriver 62 is provided with a bottle opening notch 622, and the bottle opening notch 622 can be used for opening the bottle cap.

Test results of finished product

The following table shows the adjustable wrench-national standard (GB/T4440-1998)

Length (mm)	Maximum opening width (mm)	Test Torque (N.m)
			100	13	33
150	18	85
			200	24	180

The following table shows the test results of the adjustable wrench manufactured by stamping technology

Length (mm)	Maximum opening width (mm)	Test Torque (N.m)
			100	20	85

According to the test result, the test torque of the adjustable wrench manufactured by the stamping technology is higher than the test torque of the adjustable wrench manufactured by the stamping technology by one grade in the standard test with the same length, so that the adjustable wrench completely accords with the standard of the national standard.

The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept of the present invention fall within the scope of the present invention.

Claims

1. A movable wrench manufactured by utilizing a stamping technology comprises a wrench body (1), a first fixed tong head (21) arranged at the front end of the wrench body (1) and a first movable tong head (22) arranged opposite to the first fixed tong head (21), wherein the tail end of the first movable tong head (22) is connected with a threaded rod (221), a chute (110) is arranged at the position of the wrench body (1) corresponding to the threaded rod (221), the threaded rod (221) is in sliding fit in the chute (110), a first avoiding hole (10) is arranged at the position of the wrench body (1) corresponding to the side wall of the chute (110), the first avoiding hole (10) is communicated with the chute (110), an adjusting nut (3) is arranged in the first avoiding hole (10), the adjusting nut (3) is rotationally connected with the side wall of the first avoiding hole (10) through a first rotating shaft (41), and the thread of the adjusting nut (3) is matched with the thread of the threaded rod (221), the method is characterized in that: the wrench body (1) comprises an upper pressing sheet (11), a spacer (12) and a lower pressing sheet (13) which are sequentially overlapped from top to bottom, a first fixed binding clip (21) comprises an upper clamp sheet (211), a lower clamp sheet (212) and a fixed clamp sheet (213) arranged between the upper clamp sheet (211) and the lower clamp sheet (212), the upper clamp sheet (211) is arranged at the front end of the upper pressing sheet (11) and integrally formed with the upper pressing sheet (11), the lower clamp sheet (212) is arranged at the front end of the lower pressing sheet (13) and integrally formed with the lower pressing sheet (13), the sliding chute (110) is arranged between the upper pressing sheet (11) and the lower pressing sheet (13), the first avoidance hole (10) is arranged at the corresponding position of the upper pressing sheet (11), the spacer (12) and the lower pressing sheet (13), and a rotating groove (121) is arranged on the side wall of the first avoidance hole (10) on the spacer (12), and the first rotating shaft (41) is arranged in the rotating groove (121).

2. The adjustable wrench as claimed in claim 1, wherein: the right side of the fixed clamp piece (213) is provided with a connecting lug (2131), a tool piece is arranged between the connecting lug (2131) and the upper pressing piece (11), the fourth rotating shaft (44) sequentially penetrates through the connecting lug (2131) and the tool piece to be connected with the upper pressing piece (11), and the tool piece can rotate around the fourth rotating shaft (44) to be opened and closed.

3. The adjustable wrench as claimed in claim 1, wherein: the cross section of the threaded rod (221) is of a square structure.

4. The adjustable wrench as claimed in claim 1, wherein: the clamp is characterized by further comprising a second movable clamp head (32) and a second fixed clamp head (31) arranged at the tail end of the upper pressing plate (11), wherein the second movable clamp head (32) is connected with the tail end of the upper pressing plate (11) through a second rotating shaft (42) so that the second movable clamp head (32) can rotate around the second rotating shaft (42) to be clamped with and separated from the second fixed clamp head (31), and the second movable clamp head (32) is connected with a clamp handle (321).

5. The adjustable wrench as claimed in claim 4, wherein: the clamp also comprises a locking mechanism which can lock the second fixed tong head (31) and the second movable tong head (32) in a clamping state.

6. The adjustable wrench according to claim 5, wherein: the locking mechanism comprises a lock catch (51) hinged to the upper pressing plate (11) and a lock groove (50) formed in the second movable tong head (32), the upper pressing plate (11) is provided with a second avoiding hole (111), the front end of the lock catch (51) penetrates through the second avoiding hole (111), and when the second movable tong head (32) is rotated to a clamping state, the lock catch (51) is rotated to enable the front end of the lock catch (51) to be inserted into the lock groove (50).

7. The adjustable wrench as claimed in claim 6, wherein: hasp (51) pass through connecting rod (52) and be connected with last preforming (11), the one end of connecting rod (52) is passed through third pivot (43) and is connected on last preforming (11), connecting rod (52) can be around third pivot (43) horizontal rotation, the other end and the hasp (51) of connecting rod (52) are connected, hasp (51) and connecting rod (52) mutually perpendicular set up, rotate connecting rod (52) and can drive hasp (51) and dodge hole (111) and slide for the second relatively.

8. The adjustable wrench according to claim 2, wherein: the tool parts are provided with two parts, namely a blade (61) and a screwdriver (62).

9. The adjustable wrench according to claim 8, wherein: the side wall of the screwdriver (62) is provided with a convex column (621), the upper pressing sheet (11) is provided with an avoiding groove (112) corresponding to the convex column (621), and the convex column (621) is arranged in the avoiding groove (112) when the screwdriver (62) is in a closed state.

10. The adjustable wrench according to claim 8, wherein: the side wall of the screwdriver (62) is provided with a bottle opening notch (622).