CN210704518U

CN210704518U - Socket spanner

Info

Publication number: CN210704518U
Application number: CN201921234271.8U
Authority: CN
Inventors: 王普军; 闫文; 张起钧
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-09
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a socket spanner belongs to the mechanical tool field. The socket wrench includes a locking assembly, a connector, and a handle. The locking assembly comprises a hoop and two locking arms, wherein one ends of the two locking arms form openings for clamping bolts, and the hoop is slidably sleeved on the two locking arms. The opening size of the socket wrench can be changed through the clamp, so that the socket wrench can be suitable for bolts of different specifications, and the applicability and the working efficiency of the socket wrench are improved.

Description

Socket spanner

Technical Field

The utility model belongs to the mechanical tool field, in particular to box spanner.

Background

The socket wrench is suitable for assembling and disassembling bolts. A common socket wrench includes a socket, a handle, and a connecting rod, the socket is installed at one end of the connecting rod, and the handle is installed at the other end of the connecting rod. In the use, with the sleeve suit on the bolt, drive the sleeve through rotating the handle and revolve the twist bolt to accomplish the installation and the dismantlement of bolt.

However, since the bolts have different specifications, different sleeves need to be selected according to the specifications of the bolts during the use of the socket wrench, so that the installation and removal efficiency of the bolts is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a box spanner, this box spanner can be adapted to the bolt of different specifications, technical scheme is as follows:

the embodiment of the utility model provides a socket wrench, which comprises a locking component, a connecting piece and a handle;

locking Assembly includes clamp and two locking arms, the locking arm has relative slip end and exposed core, two locking arm parallel arrangement, two the slip end of locking arm all slidable ground sets up on the connecting piece, and two the slip direction of locking arm is located same straight line and perpendicular to two locking arm, two the exposed core of locking arm forms the opening that is used for clamping bolt, the handle sets up on the connecting piece, clamp movably sleeve establishes two on the locking arm, in order to change the open-ended size.

Furthermore, the clamp comprises a toothed belt, an adjusting bolt and a fixing ring, the fixing ring is fixedly installed at one end of the toothed belt, the adjusting bolt is installed on the fixing ring, and the other end of the toothed belt is movably inserted into the fixing ring and meshed with the adjusting bolt.

Furthermore, the connecting piece is provided with a sliding groove, and the sliding ends of the two locking arms are inserted into the sliding groove in a sliding manner.

Furthermore, a spring is clamped between the two locking arms, one end of the spring is vertically fixed on one locking arm, and the other end of the spring is vertically fixed on the other locking arm.

Further, the handle comprises a connecting rod and an operating rod, one end of the connecting rod is arranged on the connecting piece, and the other end of the connecting rod is hinged with one end of the operating rod.

Further, the other end of connecting rod is provided with first otic placode, the one end of action bars is provided with the second otic placode, all be provided with the through-hole in first otic placode and the second otic placode, two all the cartridge is equipped with same retaining member that is used for fixing in the through-hole first otic placode with the second otic placode.

Further, the other end of the operating rod is provided with a handle, and the handle is vertically connected with the operating rod.

Furthermore, grooves for clamping the bolt are respectively arranged on the opposite end surfaces of the two locking arms, and the two grooves are oppositely arranged and form the opening.

Furthermore, the outer walls of the two locking arms are provided with anti-skidding threads, and the anti-skidding threads extend along the length direction of the locking arms.

Further, two locking arms are semi-circular platform structures.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

through the embodiment of the utility model provides a box spanner's clamp locks two locking arms, adjusts the opening size of two locking arms through the clamp promptly for the bolt is pressed from both sides tightly in the opening, can accomplish the dismouting of bolt through rotating the handle at last. That is to say, this box spanner's clamp can adjust the opening of two locking arms to be applicable to the bolt of different specifications, and then improved box spanner's suitability and work efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a socket wrench according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a clamp according to an embodiment of the present invention;

fig. 3 is an assembly schematic diagram of a connecting rod and an operating rod provided by the embodiment of the invention;

fig. 4 is a cross-sectional view of a locking arm according to an embodiment of the present invention.

The symbols in the drawings represent the following meanings:

1. a locking assembly; 11. clamping a hoop; 111. a toothed belt; 1111. a rack; 112. adjusting the bolt; 113. a fixing ring; 12. a locking arm; 121. a spring; 122. a groove; 123. anti-skid threads; 2. a connecting member; 21. a sliding groove; 3. a handle; 31. a connecting rod; 311. a first ear plate; 32. an operating lever; 321. a second ear panel; 33. a locking member; 331. locking the bolt; 332. a lock nut; 34. a handle; 100. a through hole; A. and (4) opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The embodiment of the utility model provides a box spanner's structural schematic diagram, as shown in fig. 1, this box spanner includes locking Assembly 1, connecting piece 2 and handle 3. Locking subassembly 1 includes clamp 11 and two locking arms 12, locking arm 12 has relative sliding end and exposed core, two locking arm 12 parallel arrangement, the sliding end of two locking arms 12 all sets up on connecting piece 2 slidable, and the slip direction of two locking arms 12 is located same straight line and two locking arms 12 of perpendicular to, the exposed core A that is used for clamping bolt is formed to the exposed core of two locking arms 12, handle 3 sets up on connecting piece 2, clamp 11 movably cover is established on two locking arms 12, in order to change the size of exposed core A.

Further, the connecting member 2 is provided with a sliding groove 21, and sliding ends of the two locking arms 12 are slidably inserted into the sliding groove 21.

In the above embodiment, the sliding groove 21 is used to provide a sliding base for the locking arm 12 and plays a role of guiding, thereby facilitating the stable clamping of the locking arm 12 to the bolt.

It will be readily appreciated that prior to use of the socket wrench, the locking arms 12 are pushed along the sliding slot 21 so that the opening a between the two locking arms 12 is adjusted to a maximum to facilitate the insertion of a bolt into the opening a. The opening A is adjusted to be small in the subsequent bolt clamping process until the locking arm 12 is in contact with the bolt, so that the bolt locking efficiency of the locking arm 12 can be improved.

Illustratively, the connecting member 2 is a square structural member, one side end surface of the connecting member 2 is provided with a sliding groove 21, the two locking arms 12 are slidably inserted into the sliding groove 21, and the other side end surface of the connecting member 2 opposite to the sliding groove is provided with a handle 3 (see fig. 1).

Further, a spring 121 (see fig. 4) is interposed between the two lock arms 12, one end of the spring 121 is vertically fixed to one lock arm 12, and the other end of the spring 121 is vertically fixed to the other lock arm 12.

In the above embodiment, when the size of the opening a between the two locking arms 12 needs to be readjusted, the locking of the clamp 11 to the locking arms 12 is released, and the locking arms 12 force the two locking arms 12 to move away under the restoring force of the compressed spring 121, so that preparation is made for the next use of the socket wrench, and the work efficiency is improved.

Fig. 2 is a schematic structural diagram of a clamp provided by an embodiment of the present invention, as shown in fig. 2, the clamp 11 includes a toothed belt 111, an adjusting bolt 112 and a fixing ring 113, the fixing ring 113 is fixedly mounted at one end a of the toothed belt 111, the adjusting bolt 112 is mounted on the fixing ring 113, and the other end b of the toothed belt 111 is movably inserted into the fixing ring 113 and engaged with the adjusting bolt 112.

In the above embodiment, when the adjusting bolt 112 is screwed, the external thread of the adjusting bolt 112 can drive the toothed belt 111 to move axially along the fixing ring, so that the adjusting bolt 112 can drive the other end b of the toothed belt 111 to insert into or extend out of the fixing ring 113, thereby adjusting the inner diameter of the ring formed by the toothed belt 111. When the adjusting bolt 112 drives the other end b of the toothed belt 111 to move anticlockwise, the inner diameter of the ring can be reduced, so that the locking of the locking arm 12 is realized; when the adjusting bolt 112 drives the other end b of the toothed belt 111 to move clockwise, the inner diameter of the ring can be enlarged, so that the locking of the locking arm 12 can be released.

Illustratively, the toothed belt 111 is provided with a rack 1111, and the rack 1111 extends along the length direction of the toothed belt 111. The fixing ring 113 is fixedly installed on one end a of the toothed belt 111, and the other end b of the toothed belt 111 is inserted into the fixing ring 113 and extends out of the fixing ring 113 to form a loop. The adjusting bolt 112 is inserted into the fixing ring 113, and the external thread on the adjusting bolt 112 is meshed with the rack 1111.

Further, the handle 3 includes a connecting rod 31 and an operating lever 32, one end of the connecting rod 31 is disposed on the connecting member 2, and the other end of the connecting rod 31 is hinged with one end of the operating lever 32.

In the above embodiment, the connecting rod 31 and the operating rod 32 are rotatably connected to facilitate screwing of the handle 3 in a narrow space.

It is easy to understand that when the bolt in a narrow space needs to be screwed, the adjusting end of the operating rod 32 is adjusted to a wide space by changing the included angle between the connecting rod 31 and the operating rod 32, so as to facilitate the operation of an operator.

Fig. 3 is an assembly diagram of the connecting rod and the operating rod according to the embodiment of the present invention, as shown in fig. 3, the other end of the connecting rod 31 is provided with a first ear plate 311, one end of the operating rod 32 is provided with a second ear plate 321, through holes 100 are provided in the first ear plate 311 and the second ear plate 321, and the same locking member 33 for fixing the first ear plate 311 and the second ear plate 321 is inserted into the two through holes 100.

In the above embodiment, the first ear plate 311 and the second ear plate 321 are provided to facilitate the adjustment of the included angle between the connecting rod 31 and the operating rod 32, and also facilitate the screwing of the handle 3 in a narrow space, thereby increasing the application range of the socket wrench. Retaining member 33 is adapted to clamp first ear panel 311 and second ear panel 321.

In the above embodiment, when the angle between the connecting rod 31 and the operating rod 32 needs to be adjusted, the locking member 33 is firstly loosened, then the operating rod 32 is rotated to a proper position, and finally the connecting rod 31 and the operating rod 32 are locked by the locking member 33.

Illustratively, the locking member 33 includes a locking bolt 331 and a locking nut 332, the locking bolt 331 is inserted into the through holes 100 of the first and

second ear plates

311 and 321, and the locking nut 332 is fitted over the locking bolt 331. The lock bolt 331 and the lock nut 332 enhance the coupling strength between the connecting rod 31 and the operating rod 32, thereby enhancing the structural strength of the socket wrench in use.

Further, a handle 34 is provided at the other end of the operating lever 32, and the handle 34 is perpendicularly connected to the operating lever 32.

In the above embodiment, the handle 34 is convenient to be held and operated by a human power.

Optionally, a slip-resistant sleeve is provided on the handle 34.

Referring again to fig. 1, the two opposite end faces of the two locking arms 12 are provided with a groove 122 for clamping the bolt, respectively, and the two grooves 122 are arranged opposite to each other and form an opening a.

In the above embodiment, the recess 122 facilitates engagement with the edge of the bolt, thereby facilitating clamping of the bolt by the locking arm 12.

Optionally, the outer walls of both locking arms 12 are provided with anti-slip threads 123, and the anti-slip threads 123 extend along the length direction of the locking arms 12.

In the above embodiment, the anti-slip threads 123 facilitate increasing the friction between the clip 11 and the locking arm 12, thereby enhancing the locking effect of the clip 11 to the locking arm 12.

Fig. 4 is a cross-sectional view of the locking arm according to the embodiment of the present invention, as shown in fig. 4, two locking arms 12 are both semicircular platform structural members.

In the above embodiment, the two locking arms 12 are both semi-circular structures, which facilitates the locking of the bolt by the clamp 11 at different positions in the axial direction of the locking arms 12. That is to say, when dismantling the bolt of same batch size, semicircle platform structure spare can make clamp 11 lock the bolt with different internal diameters to increase clamp 11's application scope, avoid adjusting bolt 112 to the same position repeated meshing of rack 1111.

The embodiment of the utility model provides a box spanner working process does: firstly, a bolt is placed in the opening A between the two locking arms 12, then the size of the opening A is adjusted through the clamp 11, so that the bolt is clamped in the opening A, and finally the two locking arms 12 are screwed through the handle 3 to complete the dismounting and mounting of the bolt. That is to say, the size of the opening A of the socket wrench can be changed through the clamp 11, so that the socket wrench can be suitable for bolts of different specifications, and the applicability and the working efficiency of the socket wrench are improved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A socket wrench, characterized in that it comprises a locking assembly (1), a connecting piece (2) and a handle (3);

locking Assembly (1) includes clamp (11) and two locking arms (12), locking arm (12) have relative slip end and exposed core, two locking arm (12) parallel arrangement, two the slip end of locking arm (12) all can set up with sliding on connecting piece (2), and two the slip direction of locking arm (12) is located same straight line and perpendicular to two locking arm (12), two the exposed core of locking arm (12) forms opening (A) that is used for clamping bolt, handle (3) set up on connecting piece (2), clamp (11) movably cover is established two on locking arm (12) to change the size of opening (A).

2. A socket wrench as claimed in claim 1, wherein the band (11) comprises a toothed belt (111), an adjusting bolt (112) and a fixing ring (113), the fixing ring (113) is fixedly mounted at one end of the toothed belt (111), the adjusting bolt (112) is mounted on the fixing ring (113), and the other end of the toothed belt (111) is movably inserted into the fixing ring (113) and engaged with the adjusting bolt (112).

3. A socket wrench according to claim 1, wherein the coupling member (2) is provided with a sliding slot (21), and sliding ends of both of the locking arms (12) are slidably inserted into the sliding slot (21).

4. A socket wrench as claimed in claim 1, wherein a spring (121) is interposed between the two locking arms (12), one end of the spring (121) being vertically fixed to one of the locking arms (12), and the other end of the spring (121) being vertically fixed to the other locking arm (12).

5. A socket wrench as claimed in claim 1, wherein the handle (3) comprises a connecting rod (31) and an operating lever (32), one end of the connecting rod (31) being disposed on the connecting member (2), the other end of the connecting rod (31) being hinged to one end of the operating lever (32).

6. A socket wrench as claimed in claim 5, wherein the other end of the connecting rod (31) is provided with a first ear plate (311), one end of the operating rod (32) is provided with a second ear plate (321), the first ear plate (311) and the second ear plate (321) are both provided with through holes (100), and the two through holes (100) are both inserted with a same locking member (33) for fixing the first ear plate (311) and the second ear plate (321).

7. A socket wrench as claimed in claim 5, wherein the other end of the operating rod (32) is provided with a handle (34), the handle (34) being connected perpendicularly to the operating rod (32).

8. A socket wrench as claimed in any one of claims 1 to 7, wherein two of said locking arms (12) are provided with respective recesses (122) on their facing end faces for clamping said bolt, said recesses (122) being arranged opposite one another and defining said opening (A).

9. A socket wrench according to any one of claims 1-7, wherein both locking arms (12) are provided with anti-slip threads (123) on their outer walls, the anti-slip threads (123) extending along the length of the locking arms (12).

10. A socket wrench as claimed in any one of claims 1 to 7, wherein both locking arms (12) are semi-circular platform structures.