CN215240505U - A kind of spanner - Google Patents

Abstract

The utility model belongs to the technical field of wrenches, and discloses a wrench which comprises an intermediate device, a first locking mechanism, a second locking mechanism, a wrench head and a handle, wherein the intermediate device comprises an intermediate rod, a first connecting mechanism and a second connecting mechanism, and the first connecting mechanism and the second connecting mechanism are rotationally connected with the intermediate rod and have opposite rotation directions; the wrench head is detachably connected with the first connecting mechanism and is provided with a sleeve, one side of the sleeve is provided with an opening, and the opening is vertically communicated with the sleeve; the handle can be detachably connected with the second connecting mechanism. In the wrench provided by the utility model, the sleeve of the wrench head is provided with an opening, so that the wrench head can be sleeved with the gram head after passing through the wire harness; according to different operation spaces, the angles of the first connecting mechanism and the second connecting mechanism in the intermediate device are adjusted and then are fixed through the first locking mechanism and the second locking mechanism respectively, the wrench head and the handle are installed, interference of other parts in the operation space on the wrench can be avoided, and the flange head is convenient to screw down.

Description

A kind of spanner

Technical Field

The utility model relates to a spanner technical field especially relates to a spanner.

Background

In the trial-manufacture assembly and maintenance process of the new energy automobile, an operator assembles and screws the gland head of the high-voltage wire through the adjustable wrench, and due to the fact that the operation space is limited and a wire harness exists at one end of the gland head, an ordinary wrench cannot be sleeved on the gland head or even cannot be sleeved on the gland head. Under the general condition, mutually interfere between the component around spanner handle and the high-voltage line glan head, and operating personnel uses the spanner to screw up the glan head and when and inconvenient, the glan head moment of torsion of screwing up also hardly satisfies the requirement, leads to in later stage experiment or the use, and the glan head is not hard up and is caused the damage of machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spanner, spanner head can pass the pencil cup joint at the glan overhead, and can avoid other parts to the interference of handle in the operating space, the effectual glan head of screwing up.

To achieve the purpose, the utility model adopts the following technical proposal:

a wrench includes an intermediate device, a first locking mechanism, a second locking mechanism, a wrench head, and a handle. The middle device comprises a middle rod, a first connecting mechanism and a second connecting mechanism, wherein the first connecting mechanism is rotatably connected with one end of the middle rod, the second connecting mechanism is rotatably connected with the other end of the middle rod, and the rotating directions of the first connecting mechanism and the second connecting mechanism are opposite;

the first locking mechanism is used for fixing the first connecting mechanism;

the second locking mechanism is used for fixing the second connecting mechanism;

the wrench head is detachably connected with the first connecting mechanism, the wrench head is provided with a sleeve for clamping the glan head, one side of the sleeve is provided with an opening, and the opening penetrates through the sleeve up and down;

the handle is detachably connected with the second connecting mechanism.

Preferably, the first connecting mechanism includes a first sliding chute, a first sliding block, a first connecting rod and a first connecting piece. The first sliding groove is formed in one end of the middle rod; one end of the first sliding block is connected with the first sliding groove in a sliding mode; one end of the first connecting rod is rotatably connected with the middle rod; the other end of the first sliding block and the other end of the first connecting rod are rotatably connected with the first connecting piece.

Preferably, the first locking mechanism includes a first hole, a first card slot, a first latch and a first spring. The first hole is formed in the first sliding block; the first clamping grooves are formed in the wall of two opposite side holes of the first hole, and a plurality of first clamping grooves are formed in the sliding direction of the first sliding block; the first slot is arranged on one side wall of the middle rod and sequentially penetrates through two opposite side walls of the first sliding chute; the first bolt penetrates through the first slot and is movably connected with the first slot, two opposite sides of one end of the first bolt are respectively provided with a first bulge, and the first bulges can be clamped with the first clamping grooves; the first spring is arranged between the first bolt and the bottom of the first slot and used for resetting the first bolt so that the first bulge is clamped with the first clamping groove.

Preferably, the first connecting mechanism and the handle are both provided with plugs, the wrench head and the second connecting mechanism are both provided with sockets, and the plugs can be plugged with the sockets.

Preferably, the socket further comprises an extension bar, wherein one end of the extension bar is provided with the plug, and the other end of the extension bar is provided with the socket.

Preferably, the plug end face is provided with a first pin shaft groove, and a pin shaft mechanism connected with the first pin shaft groove in a matching manner is arranged in the socket.

Preferably, the bottom of the socket is provided with a second pin shaft groove connected with the pin shaft mechanism.

Preferably, the pin shaft mechanism comprises a pin shaft and a return spring, and the pin shaft is slidably connected with the second pin shaft groove; one end of the reset spring is abutted against the bottom of the second pin shaft groove, the other end of the reset spring is abutted against the pin shaft, and the reset spring enables the pin shaft to be inserted into the first pin shaft groove.

Preferably, the end surface of the bolt shaft inserted in the first pin shaft groove and the first pin shaft groove are both in a hemispherical shape.

Preferably, the wrench head is provided with a plurality of wrench heads, and the specifications of the wrench heads are different.

The utility model has the advantages that: in the wrench provided by the utility model, the sleeve of the wrench head is provided with an opening, so that the wrench head can be sleeved with the gram head after passing through the wire harness; according to different operation spaces, after the angles of the first connecting mechanism and the second connecting mechanism in the intermediate device are adjusted, the first locking mechanism and the second locking mechanism are fixed respectively, the wrench head and the handle are installed, the interference of other parts in the operation space to the wrench can be avoided, the flange head is conveniently screwed, the structure is simple, and the operation is convenient.

Drawings

FIG. 1 is a schematic view of the wrench of the present invention;

FIG. 2 is a schematic structural view of the wrench head of the present invention;

fig. 3 is a schematic structural diagram of a first connecting mechanism of the present invention;

fig. 4 is a schematic structural view of the first locking mechanism of the present invention;

fig. 5 is a partial sectional view of the present invention at a in fig. 1.

In the figure:

11. an intermediate lever; 12. a first connecting mechanism; 121. a first chute; 122. a first slider; 123. a first link; 124. a first connecting member; 13. a second connecting mechanism;

2. a wrench head; 21. a sleeve;

3. a handle;

41. a first hole; 42. a first card slot; 43. a first slot; 44. a first latch; 45. a first spring;

5. a plug; 6. a socket; 7. lengthening a rod;

81. a latch shaft; 82. a return spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

A wrench, as shown in figures 1 to 2, comprises an intermediate device, a first locking mechanism, a second locking mechanism, a wrench head 2 and a handle 3. The intermediate device comprises an intermediate rod 11, a first connecting mechanism 12 rotationally connected with one end of the intermediate rod 11 and a second connecting mechanism 13 rotationally connected with the other end of the intermediate rod 11, and the rotational directions of the first connecting mechanism 12 and the second connecting mechanism 13 are opposite; the first locking mechanism is used for fixing the first connecting mechanism 12; the second locking mechanism is used for fixing the second connecting mechanism 13; the wrench head 2 is detachably connected with the first connecting mechanism 12, the wrench head 2 is provided with a sleeve 21 for clamping the gland head, one side of the sleeve 21 is provided with an opening, and the opening is vertically communicated with the sleeve 21; the handle 3 is detachably connected to the second connecting mechanism 13.

The sleeve 21 of the wrench head 2 is provided with an opening, so that the wrench head 2 can penetrate through a wire harness and then is sleeved with a gram head; according to different operation spaces, after the angles of the first connecting mechanism 12 and the second connecting mechanism 13 in the intermediate device are adjusted, the intermediate device is fixed through the first locking mechanism and the second locking mechanism respectively, the wrench head 2 and the handle 3 are installed, the interference of other parts in the operation space to the wrench can be avoided, the flange head is conveniently screwed, the structure is simple, and the operation is convenient.

In the present embodiment, referring to fig. 3, the first connecting mechanism 12 includes a first sliding chute 121, a first sliding block 122, a first connecting rod 123 and a first connecting member 124. The first chute 121 is arranged at one end of the intermediate rod 11; one end of the first slider 122 is slidably connected to the first sliding groove 121; one end of the first link 123 is rotatably connected to the intermediate lever 11; the other end of the first slider 122 and the other end of the first link 123 are both rotatably connected to the first connecting member 124. Specifically, the first slider 122 is inserted into the first sliding groove 121, and a connecting portion rotatably connected to the first connecting member 124 is disposed at one end of the first slider 122 away from the first sliding groove 121; one end of the first link 123 is rotatably connected to the intermediate lever 11, and the other end is rotatably connected to the first connecting member 124. In the present embodiment, the first slider 122 is slid to adjust the angle of the first link 124 with respect to the intermediate lever 11.

Further, the second connecting mechanism 13 includes a second sliding groove, a second sliding block, a second connecting rod, and a second connecting member. The second chute is arranged at the other end of the intermediate rod 11; one end of the second sliding block is connected with the second sliding chute in a sliding manner; one end of the second connecting rod is rotatably connected with the middle rod 11, and the second connecting rod and the first connecting rod 123 are arranged on two opposite sides of the middle rod 11; the other end of the second slider and the other end of the second connecting rod are both rotationally connected with the second connecting piece. Specifically, the second sliding block is inserted into the second sliding groove, and a connecting part which is rotatably connected with the second connecting piece is arranged at one end, far away from the second sliding groove, of the second sliding block; one end of the second connecting rod is rotatably connected with the intermediate rod 11, and the other end of the second connecting rod is rotatably connected with the second connecting piece. In this embodiment, the second slider is slid to adjust the angle of the second link with respect to the intermediate lever 11.

In this embodiment, referring to fig. 4, the first locking mechanism includes a first hole 41, a first locking groove 42, a first insertion groove 43, a first latch 44 and a first spring 45. The first hole 41 is opened on the first slider 122; the first clamping grooves 42 are formed in the wall of the two opposite side walls of the first hole 41, and a plurality of first clamping grooves 42 are uniformly formed along the sliding direction of the first slider 122; the first slot 43 is disposed on one side wall of the middle rod 11 and sequentially penetrates through two opposite side walls of the first sliding chute 121; the first bolt 44 penetrates through the first slot 43 and is movably connected with the first slot 43, two opposite sides of one end of the first bolt 44 are respectively provided with a first bulge, and the first bulges can be clamped with the first clamping grooves 42; the first spring 45 is disposed between the first latch 44 and the bottom of the first slot 43, and is used for resetting the first latch 44 so that the first protrusion is engaged with the first engaging groove 42. In this embodiment, after the first latch 44 is pressed to disengage the first protrusion from the first engaging groove 42, the first slider 122 is slid to adjust the angle of the first connecting member 124 relative to the middle rod 11; after the angle of the first connecting member 124 is adjusted, the pressed first bolt 44 is released, so that the first protrusion is engaged with the first engaging groove 42 to fix the first sliding block 122.

Further, the second locking mechanism includes a second hole, a second card slot, a second bolt, and a second spring. The second hole is formed in the second sliding block; the second clamping grooves are formed in the wall of two opposite side walls of the second hole, and a plurality of second clamping grooves are formed in the sliding direction of the second sliding block; the second slot is arranged on the other side wall of the middle rod 11 and sequentially penetrates through two opposite side walls of the second chute; the second bolt penetrates through the second slot and is movably connected with the second slot, second bulges are arranged on two opposite sides of one end of the second bolt, and the second bulges can be clamped with the second clamping groove to fix the second sliding block; the second spring is arranged between the second bolt and the bottom of the second slot and used for resetting the second bolt so as to enable the second bulge to be clamped with the second clamping groove. In this embodiment, after the second plug is pressed to separate the second protrusion from the second slot, the second slider is slid to adjust the angle of the second connecting member relative to the middle rod 11; after the angle of the second connecting piece is adjusted, the pressed second bolt is loosened, and the second protrusion and the second clamping groove are clamped to fix the second sliding block.

In this embodiment, referring to fig. 5, the first connecting mechanism 12 and the handle 3 are both provided with a plug 5, the wrench head 2 and the second connecting mechanism 13 are both provided with a socket 6, and the plug 5 can be plugged with the socket 6. Specifically, the first connecting member 124 is provided with a plug 5, and the second connecting member is provided with a socket 6. In this embodiment, the first connecting member 124 and the handle 3 can be connected to the wrench head 2 and the second connecting member can be connected to the handle 3 by inserting the plug 5 into the socket 6.

Further, the spanner still includes extension bar 7, and extension bar 7 one end is equipped with plug 5, and the other end is equipped with socket 6. Further, extension bar 7 can set up between first connecting piece 124 and wrench head 2, can set up between wrench head 2 and handle 3, also can set up between handle 3 and second connecting piece, also can establish ties between extension bar 7. In the present embodiment, different operation spaces are adapted by different combination manners.

Further, the extension bar 7 is provided with a plurality of and is provided with various specifications and lengths so as to be suitable for different operation spaces.

In this embodiment, as shown in fig. 5, the end surface of the plug 5 is provided with a first pin slot, and the socket 6 is provided with a pin mechanism matching with the first pin slot. In this embodiment, the pin mechanism can be inserted into the first pin groove to fix the connection of the plug 5 and the socket 6.

Further, the bottom of the socket 6 is provided with a second pin shaft groove connected with the pin shaft mechanism. Specifically, the pin mechanism is disposed in the second pin groove.

Further, the pin mechanism includes a latch shaft 81 and a return spring 82. The latch shaft 81 is slidably connected with the second pin shaft groove; one end of the return spring 82 abuts against the bottom of the second pin shaft groove, the other end abuts against the pin shaft 81, and the return spring 82 enables the pin shaft 81 to be inserted into the first pin shaft groove. In this embodiment, the plug 5 is pushed into the socket 6 by force, the latch shaft 81 is pushed into the second latch shaft groove by the plug 5, and when the second latch shaft groove corresponds to the first latch shaft groove, the latch shaft 81 is inserted into the first latch shaft groove by the action of the return spring 82 to fix the connection between the plug 5 and the socket 6; the plug 5 is pushed out toward the socket 6 by the external force, and the first pin grooves press the latch shafts 81 to disengage the latch shafts 81 from the first pin grooves, thereby disengaging the plug 5 from the socket 6.

Preferably, the end surface of the latch shaft 81 inserted into the first pin shaft groove and the first pin shaft groove are both hemispherical. In this embodiment, the plug 5 is pushed out of the socket 6 by external force, and since the end surface of the plug shaft 81 inserted into the first pin shaft groove and the first pin shaft groove are both hemispherical, the plug shaft 81 is pressed into the second pin shaft groove by the oblique pressure of the end part of the first pin shaft groove, and the plug 5 is separated from the socket 6.

In this embodiment, the wrench head 2 is provided with a plurality of wrench heads, and the specifications of the wrench heads 2 are different, so that the wrench heads are suitable for dismounting the flange heads with different sizes.

Illustratively, as shown in fig. 1, the handle 3 is connected with an extension bar 7 by plugging a plug 5 into a socket 6, the extension bar 7 is connected with an intermediate device, and the intermediate device is connected with a wrench head 2. Pressing the first latch 44 disengages the first protrusion from the first catch 42, sliding the first slider 122 adjusts the angle of the first link 124 relative to the intermediate lever 11, releasing the pressed first latch 44, pressing the second latch disengages the second protrusion from the second catch, sliding the second slider adjusts the angle of the second link relative to the intermediate lever 11, releasing the pressed second latch, and adapting the angle of the first link 124 and the second link relative to the intermediate lever 11 to the operating space. The wrench head 2 is sleeved on the gland head through a wire harness, and the handle 3 is rotated to screw down or unscrew the gland head to complete the operation.

The wrench provided in this embodiment may also have other assembling and combining methods, which are not specifically limited herein.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A wrench, comprising:

the intermediate device comprises an intermediate rod (11), a first connecting mechanism (12) rotatably connected with one end of the intermediate rod (11) and a second connecting mechanism (13) rotatably connected with the other end of the intermediate rod (11), and the rotating directions of the first connecting mechanism (12) and the second connecting mechanism (13) are opposite;

a first locking mechanism for securing the first connection mechanism (12);

-a second locking mechanism for securing the second connection mechanism (13);

the wrench head (2) is detachably connected with the first connecting mechanism (12), the wrench head (2) is provided with a sleeve (21) used for clamping and connecting the gland head, one side of the sleeve (21) is provided with an opening, and the opening penetrates through the sleeve (21) up and down;

and the handle (3) is detachably connected with the second connecting mechanism (13).

2. A wrench as claimed in claim 1, wherein said first coupling means (12) comprises:

the first sliding chute (121) is arranged at one end of the middle rod (11);

the first sliding block (122), one end of the first sliding block (122) is connected with the first sliding groove (121) in a sliding mode;

one end of the first connecting rod (123) is rotatably connected with the middle rod (11);

and the other end of the first sliding block (122) and the other end of the first connecting rod (123) are rotatably connected with the first connecting piece (124).

3. The wrench of claim 2, wherein the first locking mechanism comprises:

a first hole (41) provided in the first slider (122);

the first clamping grooves (42) are formed in the wall of the hole on two opposite sides of the first hole (41), and a plurality of first clamping grooves (42) are formed along the sliding direction of the first sliding block (122);

the first slot (43) is formed in one side wall of the middle rod (11) and penetrates through two opposite side walls of the first sliding groove (121) in sequence;

the first bolt (44) penetrates through the first slot (43) and is movably connected with the first slot (43), first bulges are arranged on two opposite sides of one end of the first bolt (44), and the first bulges can be clamped with the first clamping grooves (42);

the first spring (45) is arranged between the first bolt (44) and the bottom of the first slot (43) and used for resetting the first bolt (44) so that the first protrusion is clamped with the first clamping groove (42).

4. A wrench as claimed in claim 1, wherein the first connecting means (12) and the handle (3) are provided with plugs (5), the wrench head (2) and the second connecting means (13) are provided with sockets (6), and the plugs (5) are adapted to be connected to the sockets (6).

5. A wrench as claimed in claim 4, further comprising an extension bar (7), said extension bar (7) being provided with said plug (5) at one end and said socket (6) at the other end.

6. A wrench as claimed in claim 4 or 5, wherein the plug (5) has a first pin slot on its end face, and the socket (6) has a pin mechanism matching with the first pin slot.

7. A wrench as claimed in claim 6, wherein the socket (6) is provided with a second pin slot at the bottom for connection with the pin mechanism.

8. The wrench of claim 7, wherein the pin mechanism comprises:

a latch shaft (81) slidably connected to the second pin groove;

and one end of the return spring (82) is abutted to the bottom of the second pin shaft groove, the other end of the return spring is abutted to the latch shaft (81), and the return spring (82) can enable the latch shaft (81) to be inserted into the first pin shaft groove.

9. The wrench as claimed in claim 8, wherein the end surface of the pin shaft (81) inserted into the first pin shaft groove and the first pin shaft groove are both hemispherical.

10. A wrench as claimed in claim 1, wherein said wrench head (2) is provided in plurality, and wherein said wrench heads (2) are of different sizes.

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