Swing wrench
By setting the through-fitting coordination between the pressing member, the positioning rod and the lug structure in the swing head wrench, the problem of difficulty in fixing and adjusting the angle of the driving head and the handle in the prior art is solved, and the effect of flexible adjustment and stable fixing angle is achieved.
Patent Information
- Application Number
- CN202421823453.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2023-08-15
- Filing Date
- 2024-07-30
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-30
AI Technical Summary
During the operation, the existing swing head wrench is prone to difficult to fix the angle between the driving head and the handle due to the force applied, and it is difficult to adjust the angle between the driving head and the handle.
By providing a through-fitting coordination between the pressing member, the positioning rod, the first lug structure and the second lug structure in the swing head wrench, the plunging angle is flexibly adjusted, and the plunging angle is maintained during operation.
It realizes flexible adjustment of the angle before using the swing head wrench and stabilizes the angle during operation, improving operation flexibility and stability.
Smart Images
Figure CN222831701U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a swing head spanner, and in particular to a swing head spanner capable of flexibly adjusting the swinging angle. Background Art
[0002] The swing wrench is a widely used hand tool. The user can adjust the angle between the driving head and the handle of the swing wrench to correspond to the angle of the locking target, thereby avoiding the problem of difficulty in applying force due to space limitations. However, the conventional swing wrench has some difficult problems before and during operation, such as the problem that the angle between the driving head and the handle is difficult to fix due to force application during operation, and the problem that it is difficult to adjust the angle between the driving head and the handle before using the swing wrench.
[0003] Therefore, developing a swing head wrench that is convenient for adjusting the swing angle and can stabilize the swing angle during operation has become an important and urgent problem to be solved in the industry. Utility Model Content
[0004] The utility model provides a swing head spanner, which can flexibly adjust the swing angle and stabilize the swing angle during operation through the cooperation between a pressing piece, a positioning rod and a first lug structure and a second lug structure.
[0005] A swing head wrench comprises a driving head, a handle, a pressing piece and a positioning rod. The driving head has a first lug structure, wherein an inner surface of the first lug structure has a smooth section and a toothed section. The handle has two second lug structures, wherein the first lug structure is arranged between the second lug structures. The positioning rod and the pressing piece are engaged with each other, and the pressing piece and the positioning rod are inserted through the first lug structure and the second lug structure. The length of the toothed section is L1, and the sum of the lengths of the smooth section and the toothed section is L2, which satisfies the following conditions:
[0006]
[0007] Furthermore, the second lug structure has a smooth inner surface and a toothed inner surface respectively, the smooth inner surface corresponds to the smooth section, and the toothed inner surface corresponds to the toothed section.
[0008] Furthermore, the positioning rod may have a toothed end, which engages with the toothed inner surface.
[0009] Furthermore, the pressing member may have a first engaging end, the positioning rod may have a second engaging end, and the first engaging end and the second engaging end are engaged with each other.
[0010] Furthermore, the first engaging end is a protruding structure, and the surface of the protruding structure is smooth or threaded.
[0011] Furthermore, the swing head wrench further comprises an elastic element, wherein the elastic element is arranged at a smooth end of the positioning rod.
[0012] Furthermore, the pressing member has a toothed outer surface and a smooth outer surface, the length of the toothed outer surface is Ltp, and the total length of the pressing member disposed in one of the second lug structures is Lto, which can meet the following conditions:
[0013]
[0014] Furthermore, the toothed outer surface of the pressing member is in physical contact with the smooth inner surface of one of the second lug structures.
[0015] Furthermore, one end of the positioning rod has a tapered structure, and the tapered structure is disposed between the toothed end and the smooth end of the positioning rod.
[0016] Further, the angle between the tapered structure and the toothed end is θ, which may satisfy the following condition: 30 degrees ≤ θ ≤ 60 degrees.
[0017] Furthermore, the tapered structure is a rounded structure.
[0018] Beneficial effects of the utility model:
[0019] By means of the cooperation between the pressing member, the positioning rod, the first lug structure and the second lug structure, the effect of flexibly adjusting the pulling angle and stabilizing the pulling angle during operation can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a three-dimensional diagram of a swing head wrench in one embodiment of the utility model;
[0021] Figure 2 yes Figure 1 An exploded view of the swing head wrench in the embodiment;
[0022] Figure 3 yes Figure 1 Another exploded view of the swing head wrench in the embodiment;
[0023] Figure 4 yes Figure 1 A cross-sectional view of a swing head wrench in an embodiment;
[0024] Figure 5 yes Figure 1 A partial cross-sectional view of a swing head wrench in an embodiment;
[0025] Figure 6 is an exploded view of a swing head wrench in another embodiment;
[0026] Figure 7 yes Figure 6 A cross-sectional view of a swing head wrench in an embodiment.
[0027] 100,200: Swing head wrench
[0028] 110,210: drive head
[0029] 111,211: First lug structure
[0030] 112,212: Smooth segment
[0031] 113: Tooth segment
[0032] 114: Thread segment
[0033] 120,220: handle
[0034] 121,221: Second lug structure
[0035] 122,222: Smooth inner surface
[0036] 123,223: Toothed inner surface
[0037] 130,230: Positioning rod
[0038] 131,231: Toothed end
[0039] 131a, 231a: Tooth structure
[0040] 132,232: Smooth end
[0041] 133,233: Second engagement end
[0042] 234: Tapered structure
[0043] 140,240: Pressing parts
[0044] 141,241: First engagement end
[0045] 142,242: Toothed outer surface
[0046] 143,243: Smooth outer surface
[0047] 150,250: elastic element
[0048] L1: length of the tooth segment
[0049] L2: The sum of the lengths of the smooth segment and the toothed segment
[0050] Ltp: length of the outer surface of the tooth
[0051] Lto: The total length of the pressing member disposed on one of the second lug structures
[0052] θ: Angle between the tapered structure and the toothed end DETAILED DESCRIPTION
[0053] Please refer to Figures 1 to 3 ,in Figure 1 It is a three-dimensional diagram of a swing head wrench 100 in one embodiment of the utility model. Figure 2 This is the exploded view of the swing head wrench 100. Figure 3 1 is another exploded view of the swing head wrench 100. Figures 1 to 3 It can be seen that the swing head wrench 100 includes a driving head 110, a handle 120, a positioning rod 130 and a pressing member 140, wherein the driving head 110 has a first lug structure 111, the handle 120 has two second lug structures 121, the first lug structure 111 is arranged between the second lug structures 121, the pressing member 140 and the positioning rod 130 are engaged with each other, and the positioning rod 130 and the pressing member 140 are inserted into the first lug structure 111 and the second lug structure 121.
[0054] When the pressing member 140 is pressed, the angle between the driving head 110 and the handle 120 can be adjusted, and the set swing angle between the driving head 110 and the handle 120 can be fixed by the engagement between the positioning rod 130 and the pressing member 140 .
[0055] Depend on Figure 2 and Figure 3 It can be seen that an inner surface of the first lug structure 111 has a smooth section 112 and a toothed section 113 , and the second lug structure 121 can have a smooth inner surface 122 and a toothed inner surface 123 , wherein the smooth inner surface 122 corresponds to the smooth section 112 , and the toothed inner surface 123 corresponds to the toothed section 113 .
[0056] Please refer to Figure 4 ,yes Figure 1 The cross-sectional view of the swing head wrench 100 in the embodiment, Figure 4 The swing wrench 100 is used to adjust the pressing member 140. Figure 3 and 4 It can be seen that the positioning rod 130 may have a toothed end 131 and a smooth end 132, wherein the toothed end 131 is engaged with the toothed inner surface 123 of the second lug structure 121. Thus, when the pressing member 140 is pressed, the toothed end 131 of the positioning rod 130 may be engaged with the toothed inner surface 123 of the second lug structure 121 to adjust the angle between the driving head 110 and the handle 120. Furthermore, when the pressing member 140 is not pressed, the toothed end 131 of the positioning rod 130 may be engaged with the toothed section 113 of the first lug structure 111 and the toothed inner surface 123 of the second lug structure 121 to fix the swing angle between the driving head 110 and the handle 120 after the setting is completed.
[0057] Depend on Figures 2 to 4It can be known that the pressing member 140 may have a first engaging end 141, and the positioning rod 130 may have a second engaging end 133, wherein the first engaging end 141 and the second engaging end 133 engage with each other, and the first engaging end 141 may be a protruding structure, and the surface of the protruding structure is threaded, that is, the first engaging end 141 and the second engaging end 133 may engage in a screw-locking manner. In this way, the positioning rod 130 can be tightly combined with the pressing member 140.
[0058] The swing wrench 100 further includes an elastic element 150, wherein the elastic element 150 is disposed at the smooth end 132 of the positioning rod 130 to achieve reset after pressing the pressing member 140. Further, the elastic element 150 can be a spring, but is not limited thereto.
[0059] Depend on Figure 2 and Figure 4 It can be seen that the smooth section 112 may have a threaded section 114, wherein the threaded section 114 is located at one end of the smooth section 112, and the toothed section 113 is located at the other end of the smooth section 112. By providing the threaded section 114, a connecting element (not shown) may be further provided on the threaded section 114 to adjust the connection strength between the pressing member 140 and the driving head 110.
[0060] Depend on Figure 2 It can be seen that the toothed end 131 of the positioning rod 130 has a pair of tooth structures 131a, wherein the tooth structure 131a is disposed at one end connecting the toothed end 131 and the smooth end 132. Thus, the tooth structure 131a can enhance the toothing effect between the toothed section 113 and the toothed inner surface 123.
[0061] Depend on Figure 4 It can be seen that the pressing member 140 may have a toothed outer surface 142 and a smooth outer surface 143, wherein the length of the toothed outer surface 142 is Ltp, and the total length of the pressing member 140 disposed in one of the second lug structures 121 is Lto, which can meet the following conditions: Thereby, the connection strength between the pressing member 140 and the handle 120 can be adjusted during the pressing process.
[0062] Furthermore, the toothed outer surface 142 of the pressing member 140 is in physical contact with the smooth inner surface 122 of one of the second lug structures 121, thereby strengthening the connection strength between the pressing member 140 and the second lug structure 121 when adjusting the angle between the driving head 110 and the handle 120, thereby avoiding loosening during the angle adjustment process.
[0063] Please refer to Figure 5 ,yes Figure 1 A partial cross-sectional view of the swing head wrench 100 in the embodiment. Figure 5It can be seen that the length of the tooth segment 113 is L1, and the sum of the lengths of the smooth segment 112 and the tooth segment 113 is L2, which satisfies the following conditions: Thereby, the connection strength between the positioning rod 130 and the driving head 110 can be adjusted, that is, the meshing range between the toothed end 131 of the positioning rod 130 and the toothed section 113 of the first lug structure 111 can be adjusted.
[0064] Please refer to Figure 6 , is an exploded view of another embodiment of the utility model of a swing head wrench 200, the swing head wrench 200 comprises a driving head 210, a handle 220, a positioning rod 230 and a pressing member 240, wherein the driving head 210 has a first lug structure 211, the handle 220 has two second lug structures 221, the first lug structure 211 is disposed between the second lug structures 221, the pressing member 240 and the positioning rod 230 are engaged with each other, and the positioning rod 230 and the pressing member 240 are penetrated through the first lug structure 211 and the second lug structure 221. In detail, one end of the handle 220 may be an open end, but is not limited thereto.
[0065] An inner surface of the first lug structure 211 has a smooth section 212 and a toothed section (not shown), and the second lug structure 221 can have a smooth inner surface 222 and a toothed inner surface 223, wherein the smooth inner surface 222 corresponds to the smooth section 212, and the toothed inner surface 223 corresponds to the toothed section.
[0066] Furthermore, the positioning rod 230 may have a toothed end 231 and a smooth end 232 , wherein the toothed end 231 is respectively engaged with the toothed inner surface 223 of the second lug structure 221 .
[0067] The pressing member 240 may have a first engaging end 241, a toothed outer surface 242 and a smooth outer surface 243, and the positioning rod 230 may have a second engaging end 233, wherein the first engaging end 241 and the second engaging end 233 engage with each other, and the first engaging end 241 may be a protruding structure, and the surface of the protruding structure is smooth, that is, the first engaging end 241 and the second engaging end 233 can engage in a chimeric manner.
[0068] The swing wrench 200 further includes an elastic element 250 , wherein the elastic element 250 is disposed on the smooth end 232 of the positioning rod 230 .
[0069] Depend on Figure 6 It can be seen that the toothed end 231 of the positioning rod 230 has a pair of tooth structures 231 a , wherein the pair of tooth structures 231 a is disposed at one end where the toothed end 231 and the smooth end 232 are connected.
[0070] Please refer to Figure 7 ,yes Figure 6The cross-sectional view of the swing head wrench 200 in the embodiment, Figure 7 2 is a schematic diagram of the state of the swing wrench 200 without pressing the pressing member 240. One end of the positioning rod 230 has a tapered structure 234, wherein the tapered structure 234 is arranged between the toothed end 231 and the smooth end 232, and the angle between the tapered structure 234 and the toothed end 231 is θ, which can meet the following conditions: 30 degrees ≤ θ ≤ 60 degrees. Thus, the structural strength of the positioning rod 230 can be strengthened by the tapered structure 234. Specifically, the tapered structure 234 can be a rounded structure, but is not limited thereto. The rounded structure can further enhance the structural strength and avoid cracking.
[0071] in addition, Figure 6 and Figure 1 The structures and configurations of the remaining components in the embodiments are the same and will not be described in detail herein.
[0072] In summary, through the arrangement and coordination between the first lug structure, the second lug structure, the pressing member and the positioning rod of the swing head wrench of the utility model, the angle of the swing head wrench can be flexibly adjusted before using the swing head wrench, and the clamping strength can be strengthened when the swing head angle between the driving head and the handle is fixed and set, thereby enhancing the operational stability during use. Furthermore, the length relationship between the length of the toothed section and the sum of the lengths of the smooth section and the toothed section can be used to flexibly adjust the connection strength between the positioning rod and the driving head, thereby enhancing the flexibility of operation.
[0073] Although the present invention has been disclosed as above by the embodiments, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the scope of the attached patent application.
Claims
1. A swing head wrench, characterized in that: Include: A driving head having a first lug structure, wherein the inner surface of the first lug structure has a smooth section and a toothed section; A handle having two second lug structures, wherein the first lug structure is disposed between the two second lug structures; a pressing member; and A positioning rod is engaged with the pressing member, and the pressing member and the positioning rod are inserted through the first lug structure and the two second lug structures; The length of the tooth segment is L1, and the sum of the lengths of the smooth segment and the tooth segment is L2, which satisfies the following conditions:
2. The swing head wrench according to claim 1, characterized in that: The two second lug structures respectively have a smooth inner surface and a toothed inner surface, the smooth inner surface corresponds to the smooth section, and the toothed inner surface corresponds to the toothed section.
3. The swing head wrench according to claim 2, characterized in that: The positioning rod has a toothed end which is meshed with the toothed inner surface.
4. The swing head wrench according to claim 1, characterized in that: The pressing member has a first clamping end, the positioning rod has a second clamping end, and the first clamping end and the second clamping end are clamped with each other.
5. The swing head wrench according to claim 4, characterized in that: The first engaging end is a protruding structure, and the surface of the protruding structure is smooth or threaded.
6. The swing head wrench according to claim 1, characterized in that: The swing head wrench also includes: an elastic element, which is arranged on a smooth end of the positioning rod.
7. The swing head wrench according to claim 1, characterized in that: The pressing member has a toothed outer surface and a smooth outer surface. The length of the toothed outer surface is Ltp. The total length of the pressing member disposed on one of the two second lug structures is Lto, which satisfies the following conditions:
8. The swing head wrench according to claim 7, characterized in that: The toothed outer surface of the pressing member is in physical contact with a smooth inner surface of one of the two second lug structures.
9. The swing head wrench according to claim 1, characterized in that: One end of the positioning rod has a tapered structure, and the tapered structure is arranged between a toothed end and a smooth end of the positioning rod.
10. The swing head wrench according to claim 9, characterized in that: The angle between the tapered structure and the toothed end is θ, which satisfies the following conditions: 30 degrees ≤ θ ≤ 60 degrees.
11. The swing head wrench according to claim 9, characterized in that: The tapered structure is a rounded structure.