CN210232820U

CN210232820U - Adjustable external hexagonal wrench

Info

Publication number: CN210232820U
Application number: CN201921119526.6U
Authority: CN
Inventors: Jiake Chen; 陈嘉可
Original assignee: Zhongshan Foodstuffs Imp & Exp Co Ltd Of Guangdong
Current assignee: Zhongshan Foodstuffs Imp & Exp Co Ltd Of Guangdong
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-03
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses an outer hexagonal spanner with adjustable, including mobile jib and the interior hexagonal sleeve of setting at the mobile jib lower extreme, its characterized in that: v-shaped clamp plates with included angles of 120 degrees are symmetrically arranged in the inner hexagonal sleeve, a movable rod is movably arranged in the main rod, a driving assembly for driving the V-shaped clamp plates to relatively move and clamp the end of the outer hexagonal through the downward movement of the movable rod is arranged on the main rod, a plurality of clamping grooves are vertically arranged on the circumferential wall surface of the movable rod at intervals, the distance between the clamping grooves is the distance of different sizes of bolts or nuts, a plug pin for inserting the clamping grooves to fix the movable rod is arranged on one side of the main rod, and a pushing assembly for pushing the plug pin out of the clamping grooves is arranged in the movable rod; the driving component at least comprises a connecting rod, a gear, a first rack and a second rack which are meshed with the upper side and the lower side of the gear; the push-out component at least comprises a rotating shaft and a push plate arranged on the rotating shaft corresponding to the clamping groove.

Description

Adjustable external hexagonal wrench

Technical Field

The utility model relates to an outer hexagonal spanner with adjustable.

Background

A wrench is a common installation and removal tool. Hand tools for turning bolts, screws, nuts and other threaded fasteners for tightening openings or trepanning of bolts or nuts using the principle of leverage. The socket wrench and the socket head wrench are particularly suitable for bolts or nuts with very narrow or deep screwing positions, and the corresponding wrench openings need different specifications due to the fact that the nuts have different specifications, so that a user who is not familiar with the specifications of the nuts and the specifications of the wrenches can find the wrench matched with the nuts by trying for many times; the existing external hexagonal wrench can only be suitable for one type of nut, and is required to be provided with wrenches of different specifications during installation or disassembly operation.

SUMMERY OF THE UTILITY MODEL

To the defect that above-mentioned prior art exists, the to-be-solved technical problem of the utility model is: the spanner can be adjusted to adapt to different specifications and sizes of nuts or bolts for clamping and screwing, and meanwhile, for users who are not familiar with the specifications and sizes of the nuts and the specifications of the spanner, the spanner matched with the nuts does not need to be found by multiple attempts, and the spanner is in place in one step.

An adjustable outer hexagonal wrench comprises a main rod and an inner hexagonal sleeve arranged at the lower end of the main rod, wherein V-shaped clamping plates with included angles of 120 degrees are symmetrically arranged in the inner hexagonal sleeve, a movable rod is movably arranged in the main rod, a driving assembly for driving the V-shaped clamping plates to relatively move and clamp an outer hexagonal end head through the movable rod moving downwards is arranged on the main rod, a plurality of clamping grooves are vertically arranged on the circumferential wall surface of the movable rod at intervals, the distance between the clamping grooves is the distance of different sizes of bolts or nuts with different specifications, a plug pin for plugging the clamping grooves to fix the movable rod is arranged on one side of the main rod, and a pushing assembly for pushing the plug pin out of the clamping grooves is arranged;

the driving component at least comprises a connecting rod, a gear, a first rack and a second rack which are meshed with the upper side and the lower side of the gear;

the push-out component at least comprises a rotating shaft and a push plate arranged on the rotating shaft corresponding to the clamping groove.

Further, the mobile rod upper end face is provided with a first groove, the mobile rod is arranged in the first groove, the lower end of the first groove is provided with a first spring, and the first spring is pressed against the lower end of the mobile rod.

Further, the mobile jib both sides surface symmetry runs through have the first logical groove that is linked together with first recess, the mobile jib both sides surface symmetry is equipped with articulated seat, it is articulated mutually with the connecting rod upper end to pass through first logical groove articulated seat, the mobile jib both sides surface symmetry is equipped with the fixed plate, be equipped with the cavity in the fixed plate, the gear rotation is installed in a cavity side surface, the fixed plate upper surface is equipped with the first guide way that is linked together with the cavity, first rack activity sets up in first guide way, the connecting rod lower extreme is articulated mutually with first rack, the fixed plate lower surface is equipped with the second guide way that is linked together with the cavity, second rack activity sets up in the second guide way, hexagonal sleeve upper surface symmetry runs through there is the second to lead to the groove, it is connected with the connecting rod to pass the second to lead to the groove between second rack and the V clamp plate.

Furthermore, a through hole penetrates through the surface of one side of the main rod corresponding to the lowest clamping groove, and the bolt is movably arranged in the through hole.

Furthermore, a shell is arranged on the surface of one side of the main rod, a second spring is arranged in an inner cavity of the shell, and the second spring is pressed against one end of the bolt to enable the bolt to be kept inserted in the clamping groove.

Furthermore, the shape of the clamping groove is arc-shaped, strip-shaped or fan-shaped, and the transverse distance of the clamping groove is greater than that of the push plate.

Furthermore, a second groove communicated with the clamping groove is formed in the upper end of the movable rod, the rotating shaft is movably arranged in the second groove, the push plate is movably arranged in the clamping groove, the push plate and the bolt are respectively arranged at two ends of the clamping groove, and the end, located at the clamping groove, of the bolt is hemispherical.

Furthermore, a knob is arranged at the upper end of the rotating shaft and positioned outside the movable rod.

Further, an arm rod is transversely arranged on one side surface of the main rod.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the utility model discloses simple structure, overlap the socket head cap on bolt or nut, move down through pressing down the movable rod, make drive assembly drive V clamp plate relative movement, the symmetry centre gripping is on bolt or nut, when realizing the adjustable, put in place in one step, carry out the centre gripping to bolt or nut, and peg graft in the draw-in groove that corresponds the specification with bolt or nut through the bolt, realize the fixed of movable rod, thereby make V clamp plate keep bolt or nut clamping state, rethread rotation armed lever makes the mobile jib rotate, realize dismantling the wrong installation of bolt or nut, after the dismantlement of twisting the installation finishes, make the bolt withdraw from in the draw-in groove through releasing the subassembly, realize the unblock removal to the movable rod.

Drawings

Fig. 1 is a schematic perspective view illustrating an adjustable external hexagonal wrench according to an embodiment of the present invention;

fig. 2 is a schematic sectional view of an adjustable external hexagonal wrench according to an embodiment of the present invention;

fig. 3 is an exploded view of an adjustable external hexagonal wrench according to an embodiment of the present invention;

fig. 4 is a second schematic sectional view illustrating an adjustable external hexagonal wrench according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of a point a in fig. 4 according to an embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

as shown in fig. 1 to 5, an embodiment of the present invention preferably provides an adjustable external hexagonal wrench, which includes a main rod 1 and an internal hexagonal sleeve 2 disposed at a lower end of the main rod 1, V-shaped clamping plates 3 having an included angle of 120 degrees are symmetrically disposed in the internal hexagonal sleeve 2, a movable rod 4 is movably disposed in the main rod 1, a driving component 5 for driving the V-shaped clamping plates 3 to move relatively to clamp an external hexagonal end head is disposed on the main rod 1 through downward movement of the movable rod 4, a plurality of slots 6 are disposed on circumferential wall surfaces of the movable rod 4 at vertical intervals, a distance between the slots 6 is a distance of different sizes of external hexagonal screw heads of different specifications, a plug pin 7 for plugging the slot 6 to fix the movable rod 4 is disposed on one side of the main rod 1, and a push-out component 8 for pushing out the plug pin 7 from the slot 6 is disposed in the movable rod;

the driving assembly 5 at least comprises a connecting rod 51, a gear 52, and a first rack 53 and a second rack 54 engaged on the upper and lower sides of the gear 52;

the pushing assembly 8 at least comprises a rotating shaft 81 and a pushing plate 82 arranged on the rotating shaft 81 and corresponding to the clamping groove 6, an inner hexagonal sleeve is sleeved on a bolt or a nut, the driving assembly drives the V-shaped clamping plate to move relatively by pressing the movable rod to be clamped on the bolt or the nut symmetrically, the bolt or the nut is clamped in place in one step while the driving assembly is adjustable, the bolt or the nut is inserted into the clamping groove corresponding to the bolt or the nut through a bolt, the movable rod is fixed, the V-shaped clamping plate is kept in a clamping state for the bolt or the nut, the main rod is rotated through the rotating arm rod, screwing, mounting and dismounting of the bolt or the nut are achieved, after screwing, the bolt is pushed out of the clamping groove through the pushing assembly, and unlocking movement of the movable rod is achieved.

The upper end face of the main rod 1 is provided with a first groove 21, the movable rod 4 is arranged in the first groove 21, the lower end of the first groove 21 is provided with a first spring 22, the first spring 22 is pressed against the lower end of the movable rod 4, the movable rod is kept in an upward pressing state through the elastic acting force of the first spring, and after the bolt is pushed out of the clamping groove through the pushing-out assembly, the movable rod is rapidly reset, so that the V-shaped clamping plate is reset.

The surface of the two sides of the main rod 1 is symmetrically provided with a first through groove 31 communicated with the first groove 21, the surface of the two sides of the movable rod 4 is symmetrically provided with a hinged seat 32, the hinged seat 32 penetrates through the first through groove 31 to be hinged with the upper end of a connecting rod 51, the surface of the two sides of the main rod 1 is symmetrically provided with a fixed plate 33, the fixed plate 33 is internally provided with a cavity 34, a gear 52 is rotatably installed on one side surface of the cavity 34, the upper surface of the fixed plate 33 is provided with a first guide groove 35 communicated with the cavity 34, a first rack 53 is movably arranged in the first guide groove 35, the lower end of the connecting rod 51 is hinged with the first rack 53, the lower surface of the fixed plate 33 is provided with a second guide groove 37 communicated with the cavity 34, the second rack 54 is movably arranged in the second guide groove 37, the upper surface of the inner hexagonal sleeve 2 is symmetrically provided with a second through groove 36, and a connecting rod 55 is connected between the second rack 54 and the, when the staff pressed the movable rod and moved down, through the connecting rod, made first rack to keeping away from the mobile jib direction and remove to drive gear rotates, made first rack to moving near the mobile jib direction, thereby made the relative movement of V-arrangement splint, carried out the centre gripping to the bolt or the nut in the interior hexagonal sleeve.

A through hole 41 penetrates through the position, corresponding to the lowermost clamping groove 6, of the surface of one side of the main rod 1, the bolt 7 is movably arranged in the through hole 41 and is inserted into the clamping groove corresponding to the bolt or the nut in specification through the bolt, the movable rod is fixed, and therefore the V-shaped clamping plate is kept in a clamping state on the bolt or the nut.

A shell 43 is arranged on the surface of one side of the main rod 1, a second spring 44 is arranged in the inner cavity of the shell 43, and the second spring 44 is pressed against one end of the bolt 7 to enable the bolt to be kept inserted in the clamping groove 6.

The shape of the clamping groove 6 is arc-shaped, strip-shaped or fan-shaped, and the transverse distance of the clamping groove 6 is greater than that of the push plate 82.

4 upper ends of movable rod are equipped with the second recess 61 that is linked together with draw-in groove 6, the activity of axis of rotation 81 sets up in second recess 61, push pedal 82 activity sets up in draw-in groove 6, push pedal 82 sets up respectively at draw-in groove 6 both ends with bolt 7, the bolt) tip that is located draw-in groove 6 rotates for hemispherical through staff's drive axis of rotation, makes the push pedal be rotatory for the center along the mobile jib to make the push pedal remove along the draw-in groove, the hemispherical tip of roof pressure bolt, thereby make the bolt remove to the outside along the through-hole, realize the release to the bolt.

The upper end of the rotating shaft 81 is positioned outside the movable rod 4 and is provided with a knob 62, so that the rotating shaft can be rotated by hands conveniently.

The horizontal armed lever 91 that is equipped with of 1 side surface of mobile jib, it is more laborsaving to twist to change the installation to bolt or nut and dismantle.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an outer hexagonal spanner with adjustable, is including mobile jib and the hexagon socket head cap sleeve of setting at the mobile jib lower extreme, its characterized in that: v-shaped clamp plates with included angles of 120 degrees are symmetrically arranged in the inner hexagonal sleeve, a movable rod is movably arranged in the main rod, a driving assembly for driving the V-shaped clamp plates to relatively move and clamp the end of the outer hexagonal through the downward movement of the movable rod is arranged on the main rod, a plurality of clamping grooves are vertically arranged on the circumferential wall surface of the movable rod at intervals, the distance between the clamping grooves is the distance of different sizes of bolts or nuts, a plug pin for inserting the clamping grooves to fix the movable rod is arranged on one side of the main rod, and a pushing assembly for pushing the plug pin out of the clamping grooves is arranged in the movable rod;

2. The adjustable external hexagonal wrench as claimed in claim 1, wherein: the mobile rod is characterized in that a first groove is formed in the upper end face of the main rod, the movable rod is arranged in the first groove, a first spring is arranged at the lower end of the first groove, and the first spring is pressed against the lower end of the movable rod.

3. The adjustable external hexagonal wrench as claimed in claim 1, wherein: the utility model discloses a gear rack, including mobile jib both sides surface symmetry, cavity, fixed plate upper surface, connecting rod, cavity, gear, connecting rod, cavity, gear, connecting rod, connecting.

4. The adjustable external hexagonal wrench as claimed in claim 1, wherein: a through hole penetrates through the surface of one side of the main rod corresponding to the lowest clamping groove, and the bolt is movably arranged in the through hole.

5. The adjustable external hexagonal wrench as claimed in claim 4, wherein: the surface of one side of the main rod is provided with a shell, the inner cavity of the shell is provided with a second spring, and the second spring is pressed against one end of the bolt to enable the bolt to be inserted into the clamping groove.

6. The adjustable external hexagonal wrench as claimed in claim 1, wherein: the clamping groove is in an arc shape, a long strip shape or a fan shape, and the transverse distance of the clamping groove is larger than that of the push plate.

7. The adjustable external hexagonal wrench as claimed in claim 6, wherein: the movable rod upper end is equipped with the second recess that is linked together with the draw-in groove, the axis of rotation activity sets up in the second recess, the push pedal activity sets up in the draw-in groove, the push pedal sets up respectively at the draw-in groove both ends with the bolt, the tip that the bolt is located the draw-in groove is hemispherical.

8. The adjustable external hexagonal wrench as claimed in claim 1, wherein: and a knob is arranged at the upper end of the rotating shaft and positioned outside the movable rod.

9. The adjustable external hexagonal wrench as claimed in claim 1, wherein: an arm rod is transversely arranged on the surface of one side of the main rod.