CN210650450U

CN210650450U - Novel wrench

Info

Publication number: CN210650450U
Application number: CN201921232903.7U
Authority: CN
Inventors: 方继东; 赫宝廷; 王振江; 尹毓麒
Original assignee: Tianjin Baishikang Technology Development Co ltd
Current assignee: Tianjin Baishikang Technology Development Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-06-02
Anticipated expiration: 2029-08-01

Abstract

The utility model belongs to the technical field of mechanical and electric tools, and relates to a novel wrench, which comprises a handle, a fixed wrench head, a movable wrench head and a rotating worm wheel, and further comprises a box body on the handle, a movable moving member arranged in the box body, a limiting component matched with the moving member, a first spring with one end connected with one side of the moving member, a first connecting piece connected with the other end of the first spring, a first rod piece with one end connected with the first connecting piece, a second spring with one end connected with the other side of the moving member, a second connecting piece connected with the other end of the second spring and a second rod piece with one end connected with the second connecting piece; the other end of the first rod piece extends out of the box body to be matched with an electric wrench head assembly, and the other end of the second rod piece can extend out of the box body. The utility model discloses the structure sets up simple compactness, uses laborsaving, and it is convenient to deposit, can satisfy the use of different space requirements, has stronger commonality.

Description

Novel wrench

Technical Field

The utility model belongs to the technical field of mechanical electric tool, a novel spanner is related to.

Background

The spanner is a commonly used installation and extracting tool, is the instrument of utilizing lever principle to twist the opening or trepanning firmware of turning screw, nut and other screw threads holding bolt or nut tightly, nevertheless because the volume of spanner is great, to narrow and small usage space or special operating environment, if have other objects to block around, the requirement of using often can't be satisfied to current spanner, uses very inconveniently, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a novel wrench which is convenient to use and can meet different space requirements.

The utility model provides a technical problem adopt following technical scheme to realize:

a novel wrench comprises a handle, a fixed wrench head arranged at the front end of the handle, a movable wrench head forming a bayonet with the fixed wrench head, a rotating worm gear used for adjusting the size of the bayonet formed by the fixed wrench head and the movable wrench head, a box body on the handle, a movable moving member arranged in the box body, a limiting component matched with the moving member, a first spring with one end connected with one side of the moving member, a first connecting member connected with the other end of the first spring, a first rod member with one end connected with the first connecting member, a second spring with one end connected with the other side of the moving member, a second connecting member connected with the other end of the second spring and a second rod member with one end connected with the second connecting member; the other end of the first rod piece extends out of the box body to be matched with an electric wrench head assembly, and the other end of the second rod piece can extend out of the box body.

The limiting assembly comprises a groove formed in the surface of the box body, a sliding block capable of sliding in the groove, a shifting block arranged at the upper end of the sliding block and a plurality of convex blocks for limiting the shifting block, the convex blocks are evenly arranged at intervals and are arranged on two opposite sides of the groove, and the lower end of the sliding block is connected with the moving piece through a connecting structure.

The connecting structure comprises a groove arranged at the top end of the moving piece, a third spring with one end connected with the bottom of the groove and a limiting block connected with the other end of the third spring, and the limiting block is connected with the lower end of the sliding block.

The electric wrench head assembly comprises a box body connected with the first rod piece, a motor arranged in the box body, a first rotating shaft with one end connected with the motor, a first helical gear sleeved at the other end of the first rotating shaft, a second helical gear meshed with the first helical gear, a second rotating shaft matched with the second helical gear and a clamping head arranged on the second rotating shaft.

One side of moving member is equipped with first push rod, first spring cover is established on the first push rod, the length of first push rod is 3/4 of first spring free length.

The opposite side of moving member is equipped with the second push rod, the second spring cover is established on the second push rod, the length of second push rod is 3/4 of second spring free length.

The utility model has the advantages that:

1) the utility model has simple and compact structure, convenient use and storage, not only can carry out the conventional operation of screwing the bolt by the wrench in a large space, but also can carry out the electric screwing operation on the bolt in a narrow space or under special conditions, thereby meeting the use requirements of different spaces and greatly improving the universality of the wrench;

2) the utility model discloses the portable outside to the box body of well second body of rod can regard as the handle to use, can play the purpose, labour saving and time saving that increases handle length when needs big moment.

Drawings

Fig. 1 is a schematic view of a side structure of the present invention.

Fig. 2 is a schematic structural view of the other side of the present invention.

Fig. 3 is a schematic sectional view of a part of the structure of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 3.

Fig. 6 is a schematic structural diagram of the top of the box body of the present invention.

Fig. 7 is a schematic structural view of the chuck of the present invention.

Detailed Description

As shown in fig. 1-7, a novel wrench comprises a handle 1, a fixed wrench head 11, a movable wrench head 12 and a rotating worm wheel 13, wherein one end of the handle 1 is provided with the fixed wrench head 11 and the movable wrench head 12, the fixed wrench head 11 and the movable wrench head 12 form a bayonet, opposite sides of the fixed wrench head 11 and the movable wrench head 12 are arranged in parallel, the rotating worm wheel 13 is used for adjusting the size of the bayonet formed by the movable wrench head 12 and the fixed wrench head 11, so as to be suitable for different sizes of objects to be clamped, when in use, after the fixed wrench head and the movable wrench head are fixed on the objects to be clamped, an external force is applied to the handle, so that the objects to be clamped can be twisted, and the handle, the fixed wrench head, the movable wrench head and the rotating worm wheel are all the prior art, and detailed structures and principles thereof are not repeated herein;

the utility model discloses still include box body 2, moving member 21, spacing subassembly, first spring 22, first connecting piece 23, first member 24, second spring 25, second connecting piece 26 and second member 27, box body 2 is a metal box body, and this box body 2 is located one side of the wide side of handle, this box body 2 through a connecting plate 211 with handle 1 links to each other, and this connecting plate 211 is totally equipped with two, and this connecting plate 211 is "L" type, and one end of this connecting plate 211 links to each other with the narrow side of handle, and the other end of this connecting plate 211 links to each other with the side of box body 2, and is preferred, has the interval between this box body 2 and handle 1, and the setting of this interval does not influence the normal gripping to the handle;

the movable member 21 is arranged in the box body, the movable member can move in the box body 2, the limiting assembly is matched with the movable member 21, specifically, the limiting assembly 3 comprises a slot 31, a sliding block 32, a shifting block 33, a plurality of convex blocks 34 and a connecting structure, the slot 31 is arranged on the surface of the box body 2, the sliding block 32 can slide in the slot 31, the shifting block 33 is arranged at the upper end of the sliding block 32, the convex blocks 34 are uniformly spaced and arranged on two sides of the slot 31 in a pairwise opposite mode, a limiting groove can be formed by surrounding the adjacent four convex blocks, and when the shifting block is located in the limiting groove, the shifting block can be limited;

the lower end of the sliding block 32 is connected with the moving member 21 through a connecting structure, specifically, the connecting structure includes a groove 51, a third spring 52 and a limiting block 53, the groove 51 is arranged at the upper end of the moving member 21, preferably, the size of the opening of the groove 51 is smaller than the size of the inner chamber, the lower end of the sliding block 32 extends into the groove 51 to be connected with the limiting block 53, the limiting block 53 is arranged to prevent the sliding block from being separated from the moving member, one end of the third spring 52 is connected with the bottom of the groove 51, and the other end of the third spring 52 is connected with the limiting block 53; when the shifting block is used, the shifting block is pulled upwards, one end of the sliding block, the limiting block and the third spring is driven to move upwards in the upward movement process of the shifting block, when the position of the shifting block is higher than that of the convex block, the shifting block can horizontally and conveniently move and slide, the sliding block can drive the moving part to move in the box body, and after the moving part moves to a certain position, the shifting block is slowly pressed downwards to be positioned between the adjacent convex blocks, the shifting block is limited through the convex blocks, and the moving part can be stably positioned at a certain position;

a first push rod 28 is arranged at one side of the moving member 21, the first spring 22 is sleeved on the first push rod 28, one end of the first spring 22 is connected with the moving member 21, the other end of the first spring 22 is connected with one side of the first connecting member 23, preferably, the length of the first push rod 28 is 3/4 of the free length of the first spring, the other side of the first connecting member 23 is connected with one end of the first rod member 24, the other end of the first rod member 24 passes through the side wall of the box body 2 and extends out of the box body 2, a first through hole 241 for the first rod member 24 to pass through is arranged on the side wall of the box body 2, preferably, a first support ring 242 for supporting the first rod member 24 is arranged in the box body 2, one end of the first support ring 242 is connected with the inner top wall of the box body 2, and the other end of the support ring 242 is connected with a support column 243, the support column 243 is arranged on the inner bottom wall of the box body 2;

the end of the first rod 24 extending to the box body 2 is matched with the electric wrench head assembly, specifically, the electric wrench head assembly comprises a box body 41, a motor 42, a first rotating shaft 43, a first bevel gear 44, a second bevel gear 45, a second rotating shaft 46 and a chuck 47, the box body 41 is connected with the first rod 24, the motor 42 is arranged at the inner bottom of the box body 41, the motor 42 is a common motor which can be purchased directly on the market, the specific structure and principle are not repeated here, one end of the first rotating shaft 43 is connected with the motor 42, the other end of the first rotating shaft 43 is sleeved with the first bevel gear 44, the second bevel gear 45 is engaged with the first bevel gear 44, the second bevel gear 45 is sleeved on the second rotating shaft 46, the second rotating shaft 46 is connected with the chuck 47, and the chuck 47 is suitable for objects to be clamped with different sizes, a second through hole for the second rotating shaft 46 to pass through is formed in the side wall of the box body 41, and the second rotating shaft 46 is matched with the box body 41 through a bearing 411; the motor works to drive the first rotating shaft to rotate, the second rotating shaft can be driven to rotate through the matching between the first helical gear and the second helical gear, the second rotating shaft drives the chuck to rotate, and then the chuck can twist and rotate the object to be clamped;

a second push rod 29 is arranged at the other side of the moving member 21, the second spring 25 is sleeved on the second push rod 29, one end of the second spring 25 is connected with the moving member 21, the other end of the second spring 25 is connected with one side of the second connecting member 26, preferably, the length of the second push rod 29 is 3/4 of the free length of the second spring, the other side of the second connecting member 26 is connected with one end of the second rod member 27, the second rod member 27 can extend out of the box body 2, a third through hole 271 for the second rod member 27 to pass through is arranged on the side wall of the box body 2, a ring member 272 is arranged at the position of the third through hole 271, the second rod member 27 passes through the ring member 272 to be connected with a limiting plate 273, preferably, a second supporting ring 274 for supporting the second rod member 27 is arranged in the box body 2, one side end of the second supporting ring 274 is connected with the inner top wall of the box body 2, the other side end of the second support ring 274 is connected to the inner bottom wall of the box 2;

the utility model discloses a concrete theory of operation: when the bolt waits for the clamping piece to be positioned in a larger space, the bolt can be directly clamped through the fixed spanner head and the movable spanner head, the bolt can be directly screwed through applying external force to the handle, when the bolt is screwed tightly and needs larger strength, the moving piece can drive the second push rod to push the second rod piece out of the box body through the movable shifting block, the second rod piece which extends out can be used as the handle, namely the length of the handle is prolonged, and a better labor-saving effect can be achieved when the bolt is screwed, wherein the arrangement of the ring piece can play a better supporting role for the second rod piece, and meanwhile, the second rod piece and the box body can be effectively prevented from being greatly extruded to damage the box body; and wait for when the holder is located narrow and small space or stop by other when being not convenient for turning handle, portable shifting block for the moving member drives first push rod and removes first member, first member can move back the outside of treating fixed spanner with electronic spanner subassembly, can drive the dop through control motor this moment and rotate, and then can reach the effect of twisting the dress bolt and waiting for the holder, wherein can make when the moving member resets through the cooperation between first spring and the second spring laborsaving fast, high durability and convenient use.

The above detailed description of the embodiments of the present invention is only the preferred embodiments of the present invention, and the embodiments of the present invention should not be considered as limiting the scope of the present invention, and all the equivalent changes and improvements made in the application scope of the present invention should still belong to the scope of the present invention.

Claims

1. The utility model provides a novel wrench, includes handle (1), locates fixed spanner (11) of handle (1) front end, with fixed spanner (11) constitute movable spanner (12) of bayonet socket and be used for adjusting fixed spanner (11) and movable spanner (12) and constitute rotation worm wheel (13) of bayonet socket size, its characterized in that: the handle is characterized by further comprising a box body (2) on the handle (1), a movable moving member (21) arranged in the box body (2), a limiting assembly matched with the moving member (21), a first spring (22) with one end connected with one side of the moving member (21), a first connecting piece (23) connected with the other end of the first spring (22), a first rod piece (24) with one end connected with the first connecting piece (23), a second spring (25) with one end connected with the other side of the moving member (21), a second connecting piece (26) connected with the other end of the second spring (25) and a second rod piece (27) with one end connected with the second connecting piece (26); the other end of the first rod piece (24) extends out of the box body (2) to be matched with an electric wrench head assembly, and the other end of the second rod piece (27) can extend out of the box body (2).

2. The novel wrench as claimed in claim 1, wherein: the limiting assembly comprises a groove (31) formed in the surface of the box body (2), a sliding block (32) capable of sliding in the groove (31), a shifting block (33) arranged at the upper end of the sliding block (32) and a plurality of convex blocks (34) limiting the shifting block (33), the convex blocks (34) are evenly arranged at intervals and are arranged on two sides of the groove (31) in a pairwise opposite mode, and the lower end of the sliding block (32) is connected with the moving piece (21) through a connecting structure.

3. The novel wrench as claimed in claim 2, wherein: the connecting structure comprises a groove (51) arranged at the top end of the moving piece (21), a third spring (52) with one end connected with the bottom of the groove (51) and a limiting block (53) connected with the other end of the third spring (52), wherein the limiting block (53) is connected with the lower end of the sliding block (32).

4. The novel wrench as claimed in claim 1, wherein: the electric wrench head assembly comprises a box body (41) connected with the first rod piece (24), a motor (42) arranged in the box body (41), a first rotating shaft (43) with one end connected with the motor (42), a first helical gear (44) sleeved at the other end of the first rotating shaft, a second helical gear (45) meshed with the first helical gear (44), a second rotating shaft (46) matched with the second helical gear (45) and a clamping head (47) arranged on the second rotating shaft (46).

5. The novel wrench as claimed in claim 1, wherein: one side of moving member (21) is equipped with first push rod (28), first spring (22) cover is established on first push rod (28), the length of first push rod (28) is 3/4 of first spring (22) free length.

6. The novel wrench as claimed in claim 5, wherein: the other side of moving member (21) is equipped with second push rod (29), second spring (25) cover is established on second push rod (29), the length of second push rod (29) is 3/4 of second spring (25) free length.