CN209831461U - Multifunctional wrench for high-speed rail maintenance - Google Patents

Abstract

The utility model provides a multi-functional spanner for high-speed railway overhauls, include: the handle, the finger hole, the matching hole, the locking knob, the hinge block, the sleeve mounting head, the gear, the fixed jaw, the rotating shaft, the double torsion springs, the movable jaw and the rack; the handle is in a rectangular plate shape, the tail part of the handle is respectively provided with a rectangular finger hole and a T-shaped matching hole, and the finger hole and the matching hole are through holes; the matching hole is positioned at the tail end of the handle, and the tail end of the handle is arranged in an opening shape through the matching hole; the inside of mating holes articulates there is the cubic articulated piece of long circle, the utility model discloses a to the improvement that is used for a multi-functional spanner that the high-speed railway overhauld, it is fast to have dismouting station switching speed, pulls mouth department non-skid, and the angle of exerting oneself during the dismouting is diversified, uses nimble convenient advantage to effectual problem and the not enough that appear in having solved the current device.

Description

Multifunctional wrench for high-speed rail maintenance

Technical Field

The utility model relates to a hardware and tools technical field, more specifically the theory that says so especially relates to a multifunctional wrench for high-speed railway overhauls.

Background

The adjustable spanner is a common hardware tool for screwing or unscrewing angular screws or nuts, when a high-speed rail is overhauled, the bolts or the nuts are usually disassembled and installed through the adjustable spanner, the adjustable spanner generally comprises a handle, a worm wheel, a movable spanner opening and a fixed spanner opening, the worm wheel is modulated by a thumb when the adjustable spanner is used, and the distance between the movable spanner opening and the fixed spanner opening is adjusted to adapt to the size of the nuts.

The adjustable spanner for high-speed railway maintenance that has now is when dismouting bolt, nut, and difficult rotating during most conversion stations uses inconveniently, and the activity is pulled mouthful and is pulled the relative clamping face of mouth with fixed and smooth mostly, skids easily during the dismantlement, easily hinders the hand to the angle singleness of exerting oneself during the dismouting of most adjustable spanner, the merit is used inconveniently.

In view of the above, the present invention provides a multifunctional wrench for high-speed rail maintenance, which is developed and improved to solve the problems and improve the practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional spanner for high-speed railway overhauls to the current adjustable wrench who is used for high-speed railway to overhaul who proposes in solving above-mentioned background art is when dismouting bolt, nut, hard rotating during most conversion stations, it is inconvenient to use, and the activity is pulled mouthful and is pulled the clamping face relative with fixed the mouth and be level and smooth mostly, skid easily during the dismantlement, easily hinder the hand, and the angle singleness of exerting oneself during the dismouting of most adjustable wrench, the inconvenient problem of merit use and not enough.

In order to achieve the above object, the utility model provides a multifunctional wrench for high-speed railway maintenance, reached by following specific technological means:

a multi-function wrench for high-speed rail service, comprising: the handle, the finger hole, the matching hole, the locking knob, the hinge block, the sleeve mounting head, the gear, the fixed jaw, the rotating shaft, the double torsion springs, the movable jaw and the rack; the handle is in a rectangular plate shape, the tail part of the handle is respectively provided with a rectangular finger hole and a T-shaped matching hole, and the finger hole and the matching hole are through holes; the matching hole is positioned at the tail end of the handle, and the tail end of the handle is arranged in an opening shape through the matching hole; a long round block-shaped hinging block is hinged inside the matching hole, and a rectangular block-shaped sleeve mounting head is welded on the arc-shaped outer wall on one side of the hinging block; a locking knob is arranged in the finger hole, a threaded part of the locking knob penetrates through the position between the finger hole and the matching hole in a threaded engagement mode, and the end face of the threaded part of the locking knob is arranged in the matching hole; the head of the handle is provided with an umbrella-shaped gear, the head of the handle is inserted into the bottom of the inner side of the fixed jaw in a clearance fit mode, and the head of the handle is hinged with the bottom of the fixed jaw through a rotating shaft; a double torsion spring is arranged between the handle and the fixed jaw, the middle part of the double torsion spring is sleeved on the upper part of the rotating shaft, and two ends of the double torsion spring are respectively contacted with the handle and the outer wall of the left side of the fixed jaw; the right side of the fixed jaw is provided with a movable jaw in a sliding manner, the bottom of the movable jaw is provided with a rack, and the rack is meshed with the gear.

As a further optimization of this technical scheme, the utility model relates to a multi-functional spanner for high-speed railway overhauls the handle sets up to rotating device through pivot and fixed spanner mouth, and two torsional springs set up to rotating device's elasticity return means.

As a further optimization of this technical scheme, the utility model relates to a multi-functional spanner for high-speed railway overhauls the meshing that the mouth passes through rack and gear is pulled in the activity sets up to translation mechanism, and the activity is pulled the mouth and is pulled the anti-skidding line that the equipartition has just four frustum of pyramid forms on the clamping face relative with fixed mouth.

As the further optimization of this technical scheme, the utility model relates to a multi-functional spanner for high-speed railway overhauls articulated piece is the inverted T shape with the welding of cartridge installation head, and articulated piece and cartridge installation head all are clearance fit with the mating holes to articulated piece sets up to 360 degrees rotary device through articulated mode.

As a further optimization of this technical scheme, the utility model relates to a multi-functional spanner for high-speed railway overhauls the screw thread portion and the cartridge mounting head swing joint of locking knob, and the locking knob sets up the locking device into the cartridge mounting head.

As a further optimization of this technical scheme, the utility model relates to a multi-functional spanner for high-speed railway overhauls fixed mouthful of pulling all is the arc form with the activity is pulled the mouth overlooked, and sets up the anti-skidding line of corrugate on the fixed left arcwall face of pulling the mouth.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses the handle is rotating device through setting up pivot and fixed spanner mouth, and two torsional springs set up to rotating device's elastic return device, quick conversion station, convenient to use when being convenient for tear open construction bolt, nut.

2. The utility model discloses an equipartition has the anti-skidding line of positive four pyramid platform forms on the clamping face that mouth is pulled in the activity is relative with fixed, pulls mouth department when avoiding the dismouting and skids the hand of hindering.

3. The utility model discloses a set up articulated piece and the welding of sleeve installation head and be the shape of being inverted T, and articulated piece and sleeve installation head all are clearance fit with the mating holes, are convenient for install the spanner sleeve additional through sleeve installation head, and the sleeve installation head through articulated piece change the angle hard when dismouting, it is nimble convenient to use.

4. The utility model discloses an improvement to a multi-functional spanner for high-speed railway overhauls, it is fast to have dismouting station switching speed, and the difficult slip of mouth department is pulled, and the angle of exerting oneself during the dismouting is diversified, uses nimble convenient advantage, thereby effectual solution the utility model discloses the problem that proposes in background art one with not enough.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a local axial measurement structure of the present invention;

FIG. 3 is a schematic view of the local axial measurement structure of the present invention;

fig. 4 is a schematic view of the force direction for screwing and unscrewing the present invention.

In the figure, a handle 1, a finger hole 2, a matching hole 3, a locking knob 4, a hinge block 5, a sleeve mounting head 6, a gear 7, a fixed jaw 8, a rotating shaft 9, a double torsion spring 10, a movable jaw 11 and a rack 12 are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a specific technical implementation of a multifunctional wrench for high-speed rail maintenance:

a multi-function wrench for high-speed rail service, comprising: the wrench comprises a handle 1, a finger hole 2, a matching hole 3, a locking knob 4, a hinge block 5, a sleeve mounting head 6, a gear 7, a fixed wrench opening 8, a rotating shaft 9, a double torsion spring 10, a movable wrench opening 11 and a rack 12; the handle 1 is rectangular plate-shaped, the tail part of the handle 1 is respectively provided with a rectangular finger hole 2 and a T-shaped matching hole 3, and the finger hole 2 and the matching hole 3 are through holes; the matching hole 3 is positioned at the tail end of the handle 1, and the tail end of the handle 1 is arranged in an open shape through the matching hole 3; a long round block-shaped hinging block 5 is hinged inside the matching hole 3, and a rectangular block-shaped sleeve mounting head 6 is welded on the arc-shaped outer wall on one side of the hinging block 5; a locking knob 4 is arranged in the finger hole 2, a thread part of the locking knob 4 penetrates through the position between the finger hole 2 and the matching hole 3 in a thread meshing mode, and the end face of the thread part of the locking knob 4 is arranged in the matching hole 3; the head of the handle 1 is provided with an umbrella-shaped gear 7, the head of the handle 1 is inserted into the bottom of the inner side of the fixed jaw 8 in a clearance fit mode, and the head of the handle 1 is hinged with the bottom of the fixed jaw 8 through a rotating shaft 9; a double torsion spring 10 is arranged between the handle 1 and the fixed jaw 8, the middle part of the double torsion spring 10 is sleeved on the upper part of the rotating shaft 9, and two ends of the double torsion spring 10 are respectively contacted with the handle 1 and the left outer wall of the fixed jaw 8; the right side of the fixed jaw 8 is provided with a movable jaw 11 in a sliding way, the bottom of the movable jaw 11 is provided with a rack 12, and the rack 12 is meshed with the gear 7.

Specifically, the handle 1 and the fixed jaw 8 are arranged as a rotating device through a rotating shaft 9, and the double torsion springs 10 are arranged as elastic return devices of the rotating device.

Specifically, referring to fig. 3, the movable wrench opening 11 is a translation mechanism formed by engaging the rack 12 with the gear 7, and the clamping surfaces of the movable wrench opening 11 opposite to the fixed wrench opening 8 are uniformly provided with regular quadrangular frustum-shaped anti-slip threads.

Specifically, referring to fig. 1 and 2, the hinge block 5 and the socket mounting head 6 are welded together to form an inverted-t shape, the hinge block 5 and the socket mounting head 6 are both in clearance fit with the matching hole 3, and the hinge block 5 is a 360-degree rotating device in a hinge manner, so that the hinge block 5 and the socket mounting head 6 can be conveniently accommodated in the matching hole 3, the structure is compact, and the use of the movable wrench opening 11 and the fixed wrench opening 8 for dismounting and mounting bolts is not affected.

Specifically, referring to fig. 1 and 2, the thread portion of the locking knob 4 is movably connected to the sleeve mounting head 6, and the locking knob 4 is configured as a locking device for the sleeve mounting head 6, and after the hinge block 5 and the sleeve mounting head 6 are accommodated in the matching hole 3, the positions of the hinge block 5 and the sleeve mounting head 6 are fixed by abutting the thread portion of the locking knob 4 against the sleeve mounting head 6, so as to prevent rotation.

Specifically, referring to fig. 3, the fixed jaw 8 and the movable jaw 11 are both arc-shaped in plan view, and the arc-shaped surface on the left side of the fixed jaw 8 is provided with corrugated anti-slip threads.

The method comprises the following specific implementation steps:

the handle 1 is held by a hand, the anti-slip threads on the arc-shaped surface on the left side of the fixed jaw 8 are rubbed downwards by a thumb to reduce the included angle between the fixed jaw 8 and the handle 1, at the moment, the handle 1 rotates relative to the fixed jaw 8, the bevel gear 7 on the top of the handle 1 is meshed with the rack 12 to enable the movable jaw 11 to translate rightwards, the distance between the fixed jaw 8 and the movable jaw 11 is increased, and a bolt or a nut is clamped conveniently during disassembly and assembly; after clamping, the handle 1 is forcibly pulled by hand to one side of the movable jaw 11 to disassemble and assemble the bolt or nut, and the bolt or nut is tightly engaged by the fixed jaw 8 and the movable jaw 11 through the meshing of the gear 7 and the rack 12 in the screwing and unscrewing forcing directions shown in fig. 4; when the station needs to be switched, the handle 1 is rotated reversely, at the moment, the meshing force of the gear 7 and the rack 12 is small, the fixed jaw 8 and the movable jaw 11 loose the clamping of the bolt or the nut, when the handle 1 is rotated continuously and reversely, the gear 7 at the top of the handle 1 is meshed with the rack 12 to push the movable jaw 11 to move towards the right side, and the handle 1 and the fixed jaw 8 are influenced by the elasticity of the double torsion spring 10, so that the fixed jaw 8 and the movable jaw 11 are always contacted with the bolt or the nut, and the speed of the movable jaw 11 moving towards the right side is very slow, thereby avoiding the separation between the jaw and the bolt or the nut when the station is switched, repeating the snapping action and the reverse snapping action, and completing the dismounting and mounting of the bolt and the nut; when the hard direction of dismouting needs to be changed, the locking knob 4 is unscrewed to the inboard of finger hole 2, pick out cartridge installation head 6, and install the spanner sleeve additional in its upper portion, use cartridge installation head 6 and handle 1 perpendicular or parallel use, the direction of power is diversified, high durability and convenient use, after the use, accomodate cartridge installation head 6 again into inside mating holes 3, and twist locking knob 4, make the screw thread portion of locking knob 4 and the butt of cartridge installation head 6, the position of fixed articulated piece 5 and cartridge installation head 6, avoid rotating.

In summary, the following steps: according to the multifunctional wrench for overhauling the high-speed rail, the handle is provided with the rotating device which is the rotating shaft and the fixed wrench opening, and the double torsion springs are provided as the elastic return devices of the rotating device, so that the rapid station switching is convenient to detach and install bolts and nuts, and the use is convenient; the clamping surface of the movable jaw opposite to the fixed jaw is uniformly provided with the regular quadrangular frustum-shaped anti-slip grains, so that the jaw is prevented from slipping and hurting hands during disassembly and assembly; the hinging block and the sleeve mounting head are welded into an inverted T shape, and the hinging block and the sleeve mounting head are in clearance fit with the matching hole, so that a wrench sleeve is conveniently additionally mounted on the sleeve mounting head through the hinging block, the force application angle of the sleeve mounting head during disassembly and assembly is changed through the hinging block, and the use is flexible and convenient; the utility model discloses an improvement to a multi-functional spanner for high-speed railway overhauls, it is fast to have dismouting station switching speed, and spanner mouth department is difficult for skidding, and the angle of exerting oneself during the dismouting is diversified, uses nimble convenient advantage to effectual problem and the not enough that appear in having solved current device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A multi-function wrench for high-speed rail service, comprising: the handle (1), the finger hole (2), the matching hole (3), the locking knob (4), the hinging block (5), the sleeve mounting head (6), the gear (7), the fixed jaw (8), the rotating shaft (9), the double torsion springs (10), the movable jaw (11) and the rack (12); the method is characterized in that: the handle (1) is rectangular plate-shaped, the tail of the handle (1) is provided with a rectangular finger hole (2) and a T-shaped matching hole (3) respectively, and the finger hole (2) and the matching hole (3) are through holes; the matching hole (3) is positioned at the tail end of the handle (1), and the tail end of the handle (1) is arranged in an open shape through the matching hole (3); a long round block-shaped hinging block (5) is hinged inside the matching hole (3), and a rectangular block-shaped sleeve mounting head (6) is welded on the arc-shaped outer wall on one side of the hinging block (5); a locking knob (4) is arranged in the finger hole (2), a threaded part of the locking knob (4) penetrates through the position between the finger hole (2) and the matching hole (3) in a threaded engagement mode, and the end face of the threaded part of the locking knob (4) is arranged in the matching hole (3); the head of the handle (1) is provided with an umbrella-shaped gear (7), the head of the handle (1) is inserted into the bottom of the inner side of the fixed jaw (8) in a clearance fit mode, and the head of the handle (1) is hinged with the bottom of the fixed jaw (8) through a rotating shaft (9); a double torsion spring (10) is arranged between the handle (1) and the fixed jaw (8), the middle part of the double torsion spring (10) is sleeved on the upper part of the rotating shaft (9), and two ends of the double torsion spring (10) are respectively contacted with the handle (1) and the outer wall of the left side of the fixed jaw (8); the right side of the fixed jaw (8) is provided with a movable jaw (11) in a sliding manner, the bottom of the movable jaw (11) is provided with a rack (12), and the rack (12) is meshed with the gear (7).

2. The multifunctional wrench for high-speed rail overhaul according to claim 1, wherein: the handle (1) is provided with a rotating device through a rotating shaft (9) and a fixed wrench opening (8), and the double torsion springs (10) are provided with elastic return devices of the rotating device.

3. The multifunctional wrench for high-speed rail overhaul according to claim 1, wherein: the movable wrench opening (11) is a translation mechanism through the engagement of the rack (12) and the gear (7), and the clamping surface of the movable wrench opening (11) opposite to the fixed wrench opening (8) is evenly provided with regular quadrangular frustum-shaped anti-slip grains.

4. The multifunctional wrench for high-speed rail overhaul according to claim 1, wherein: articulated piece (5) and sleeve installation head (6) welding are the shape of being-.

5. The multifunctional wrench for high-speed rail overhaul according to claim 1, wherein: the thread part of the locking knob (4) is movably connected with the sleeve mounting head (6), and the locking knob (4) is set as a locking device of the sleeve mounting head (6).

6. The multifunctional wrench for high-speed rail overhaul according to claim 1, wherein: the fixed jaw (8) and the movable jaw (11) are arc-shaped when overlooked, and the arc-shaped surface on the left side of the fixed jaw (8) is provided with corrugated anti-skid grains.