CN217620280U - Sealing device for adjustable wrench - Google Patents

Abstract

The application relates to the technical field of hardware, and discloses a sealing device for an adjustable wrench, wherein a cavity opening is formed in the top surface of a wrench body, a convex block is arranged right above the cavity opening, and a rotating shaft is fixedly connected to the bottom surface of the convex block; the ratchet adaptation is installed in the mouth, and the top surface of ratchet and the bottom fixed connection of axis of rotation still include: a cushion and a sealing mechanism. The buffer cushion is arranged between the wrench body and the lug; sealing mechanism sets up in the accent, and sealing mechanism includes first sealing and second sealing, the lateral wall of first sealing and the inside wall fixed connection of accent, and the second sealing sets up in the inside of first sealing to inject in the inboard rotation of first sealing, and the axis of rotation runs through the central point of second sealing. In this application, be favorable to avoiding the axis of rotation to take place to rock when rotating, reduce the vibration range of the intraoral ratchet of chamber and axis of rotation, make the rotation that ratchet and axis of rotation can be more steady, improve monkey wrench's stability.

Description

Sealing device for adjustable wrench

Technical Field

The application relates to the technical field of hardware, for example to a sealing device for an adjustable wrench.

Background

Adjustable wrenches are common installation and removal tools that use the principle of leverage to turn bolts, screws, nuts and other threaded fasteners that hold open or trepanned bolts or nuts.

In prior art, when using monkey wrench to fasten or dismantle bolt or nut, because the vibration range of torsion department is great, easily lead to ratchet structure to take place to rock in monkey wrench's inside, thereby when fastening or dismantling bolt or nut, easily lead to monkey wrench to cause the damage to the structure of bolt or nut, the angle department of scotch bolt or nut, be unfavorable for improving the fastening and the dismantlement efficiency of bolt or nut, increase monkey wrench's wearing and tearing easily simultaneously, lead to its stability not good.

Therefore, how to reduce the vibration amplitude of the wrench during use and improve the stability becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a sealing device for an adjustable wrench, so as to better reduce the vibration amplitude of the adjustable wrench in use and improve the stability.

In some embodiments, the sealing device for the adjustable wrench is arranged inside the adjustable wrench, the adjustable wrench comprises a wrench body and a ratchet wheel, the top surface of the wrench body is provided with a cavity opening, a convex block is arranged right above the cavity opening, and the bottom surface of the convex block is fixedly connected with a rotating shaft; the ratchet adaptation is installed in the mouth, and the top surface of ratchet and the bottom fixed connection of axis of rotation still include: a cushion and a sealing mechanism. The buffer pad is arranged between the wrench body and the lug; sealing mechanism sets up in the accent, and sealing mechanism includes first sealing and second sealing, the lateral wall of first sealing and the inside wall fixed connection of accent, and the second sealing sets up in the inside of first sealing to inject and rotate in first sealing inboard, and the axis of rotation runs through the central point of second sealing.

The sealing device for the adjustable wrench provided by the embodiment of the disclosure can realize the following technical effects:

can provide the shock attenuation buffering through the blotter between spanner body and lug, reduce the joint gap between spanner body and the lug simultaneously, avoid lug and external screw thread fastening structure to fasten bolt or nut after fixed and when dismantling, take place to rock between lug and the spanner body, be favorable to improving the fastening of bolt or nut and the stationarity of dismantlement, and be provided with sealing mechanism in the inside of accent, can carry out spacing fixed to the axis of rotation through first sealing and second sealing on sealing mechanism in the inside of accent, first sealing and second sealing can also form seal structure in the accent simultaneously, reduce the joint gap between axis of rotation and the inside wall of accent, be favorable to avoiding the axis of rotation to take place to rock when rotating, reduce the vibration range of the intraoral ratchet and axis of rotation, make ratchet and axis of rotation can more steady rotation, improve monkey wrench's stability, and can avoid rocking because of the ratchet or axis of rotation produce and lead to scotch the angle department of bolt or nut, improve the efficiency of the fastening and the dismantlement of bolt or nut.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the connection structure of the heating chamber and the placing plate according to the present invention;

FIG. 4 is a schematic view of the internal structure of the inflator of the present invention;

reference numerals:

1. a wrench body; 2. a lumen port; 3. a guide strip; 4. a ratchet wheel; 5. a rotating shaft; 6. a bump; 7. a cushion pad; 8. a port; 9. a sealing mechanism; 10. a first seal portion; 11. a first seal ring; 12. a first annular mouth; 13. an elastic sleeve; 14. a card slot; 15. a second seal portion; 16. a second seal ring; 17. a second annular opening; 18. and (7) connecting the layers.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

With reference to fig. 1-4, an embodiment of the present disclosure provides a sealing device for an adjustable wrench, which is disposed inside the adjustable wrench, and the adjustable wrench includes a wrench body 1 and a ratchet 4, a cavity 2 is disposed on a top surface of the wrench body 1, a protrusion 6 is disposed right above the cavity 2, and a rotating shaft 5 is fixedly connected to a bottom surface of the protrusion 6; ratchet 4 adaptation is installed in accent 2, and the top surface of ratchet 4 and the bottom fixed connection of axis of rotation 5 still include: a cushion 7 and a sealing mechanism 9. The buffer pad 7 is arranged between the wrench body 1 and the lug 6; the sealing mechanism 9 is arranged in the cavity opening 2, the sealing mechanism 9 comprises a first sealing portion 10 and a second sealing portion 15, the outer side wall of the first sealing portion 10 is fixedly connected with the inner side wall of the cavity opening 2, the second sealing portion 15 is arranged in the first sealing portion 10 and limited to rotate inside the first sealing portion 10, and the rotating shaft 5 penetrates through the central portion of the second sealing portion 15.

The sealing device for the adjustable wrench, provided by the embodiment of the disclosure, can provide damping and buffering between the wrench body 1 and the bump 6 through the buffer pad 7, simultaneously reduce the connection gap between the wrench body 1 and the bump 6, when the bump 6 is prevented from being fastened and disassembled with a bolt or a nut after being fixed with an external thread fastening structure, the bump 6 and the wrench body 1 are shaken, which is beneficial to improving the fastening and disassembling stability of the bolt or the nut, and the sealing mechanism 9 is arranged inside the cavity opening 2, the rotation shaft 5 can be limited and fixed inside the cavity opening 2 through the first sealing part 10 and the second sealing part 15 on the sealing mechanism 9, and meanwhile, the first sealing part 10 and the second sealing part 15 can also form a sealing structure inside the cavity opening 2, reduce the connection gap between the rotation shaft 5 and the inner side wall of the cavity opening 2, which is beneficial to avoiding the rotation shaft 5 from shaking during rotation, reduce the vibration amplitude of the ratchet 4 and the rotation shaft 5 in the cavity opening 2, so that the ratchet 4 and the rotation shaft 5 can rotate more stably, improve the efficiency of bolt or nut disassembly.

Understandably, one side of the wrench body 1 is fixedly connected with a handle, and the outer side wall of the handle is provided with anti-slip lines. Like this, can carry out convenient and fast's rotation through handle control spanner body 1, and then control lug 6 rotates, makes the external screw thread fastening structure who is connected with lug 6 rotate, fastens or dismantles bolt or nut.

In order to better improve the connection stability between the cushion pad 7 and the wrench body 1, the cushion pad 7 can be better sealed and fixed to the structure inside the cavity opening 2, and the structure inside the cavity opening 2 is prevented from shaking, optionally, an annular butt joint groove is arranged on the wrench body 1, the diameter of the annular butt joint groove is larger than that of the cavity opening 2, and the bottom of the cushion pad 7 is embedded in the annular butt joint groove. Like this, can fix the installation of blotter 7 on spanner body 1 through annular butt joint recess to cover 2 departments of accent completely, seal accent 2, thereby be favorable to sealing fixedly to the structure of 2 inside of accent, avoid the structure of 2 inside of accent to take place to rock.

Optionally, the top surface of the buffer pad 7 is provided with a through opening 8, and the through opening 8 is matched with the rotation shaft 5. Like this, blotter 7 can play the effect of buffering to avoid when using wrench body 1, cause the damage to wrench body 1 when external screw thread fastening structure cooperates with lug 6, can also avoid taking place to rock between lug 6 and the wrench body 1 simultaneously, improve monkey wrench's stability in use.

Alternatively, the contours of both cushion 7 and orifice 2 are provided as circles, and the diameter of cushion 7 is greater than the diameter of orifice 2. Like this, blotter 7 and accent 2 all set up to circular, and the diameter of blotter 7 is greater than the diameter of accent 2, are convenient for make blotter 7 cover accent 2 completely, and then make axis of rotation 5 pass opening 8 on the blotter 7 and lug 6's bottom face fixed connection.

In order to make it easier to mount the first and second seals 10, 15 within the mouth 2, the first and second seals 10, 15 are optionally provided as annular structures. Like this, can make first sealing 10 and second sealing 15 install the inside at accent 2 better to make first sealing 10 and second sealing 15 can seal and spacing rotation axis 5 in accent 2, avoid rotation axis 5 to take place to rock at the rotation in-process, improve rotation axis 5's rotation stationarity.

Optionally, the first sealing portion 10 comprises: a first sealing ring 11 and an elastic sleeve 13. The top surface of the first sealing ring 11 is provided with a first annular opening 12 in a penetrating manner, and the first annular opening 12 is matched with the second sealing part 15: the inside wall of elastic sleeve 13 is fixed mutually with first sealing ring 11, and the outside wall of elastic sleeve 13 is provided with draw-in groove 14, and the inside wall of accent 2 is provided with gib block 3, and gib block 3 cooperatees with draw-in groove 14. Like this, when installing first sealing 10, can be connected the gib block 3 with draw-in groove 14 direct correspondence, and then press first sealing 10's overall structure downwards, make draw-in groove 14 on the lateral wall of elastic sleeve 13 along gib block 3 on the inside wall of accent 2, move to the inside direction of accent 2, can make gib block 3 chucking in draw-in groove 14, thereby realize fixing sealing mechanism 9 in accent 2, be favorable to fixing first sealing 10 installation on the inside wall of accent 2, make first sealing 10 neither can hinder the rotation of axis of rotation 5 in the inside of accent, can provide spacing fixed to axis of rotation 5 simultaneously again, avoid axis of rotation 5 to take place to rock at the rotation in-process, improve the rotation stationarity of axis of rotation 5.

In order to better improve the connection stability of the elastic sleeve 13 and the orifice 2, the number of the guide strips 3 is optionally several and distributed in an array. Like this, a plurality of gibs 3 can improve the connection steadiness between the lateral wall of sealed first sealing 10 and the inside wall of accent 2, avoid first sealing 10 to take place to connect in the inside of accent 2 not hard up, thereby be favorable to making first sealing 10 can provide more firm spacing support to axis of rotation 5, prevent that axis of rotation 5 from opening red the emergence of rotating the process and rocking, reduce the vibration range of axis of rotation 5 in accent 2, improve its pivoted stationarity.

In order to better enable the guide strip 3 and the slot 14 to be mounted in a butt joint manner and improve the connection stability between the two, optionally, the guide strip 3 is made of an elastic material. Like this, can make a plurality of gibs 3 still have elasticity to be favorable to docking draw-in groove 14 better with gib s 3, make gib s 3 crowd into in draw-in groove 14, realize the installation between first sealing 10 and the inside wall of accent 2 fixed, be favorable to improving the installation steadiness of first sealing 10.

Optionally, the second sealing portion 15 comprises: a second sealing ring 16. The top surface of the second sealing ring 16 is provided with a second ring opening 17 in a penetrating manner, and the second ring opening 17 is matched with the rotating shaft 5. Like this, seal processing to accent 2 department through first sealing ring 11 and second sealing ring 16 to avoid when using spanner body 1, rocking appears in axis of rotation 5 department, thereby is favorable to making axis of rotation 5 can more steady rotation.

It is worth noting that the first seal ring 11 and the second seal ring 16 are arranged concentrically. Like this, can make second sealing ring 16 install in first sealing ring 11 better to make axis of rotation 5 wear to establish in the second ring mouth 17 in second sealing ring 16, be favorable to both can making axis of rotation 5 at the 16 internal rotations of second sealing ring, can mutually support through first sealing ring 11 and second sealing ring 16 again, seal and spacing axis of rotation 5, avoid axis of rotation 5 to take place to rock at the rotation in-process, improve axis of rotation 5's rotation stationarity.

Optionally, a connection layer 18 is fixedly connected to an outer side wall of the second sealing ring 16 for connection with an inner side wall of the first sealing portion 10. Like this, can make second sealing ring 16 install in the inside of first sealing 10 through articulamentum 18 to can be through fixing first sealing 10 on the inside wall of accent 2, then install second sealing ring 16 in first sealing 10 again, carry out double sealing and spacing to axis of rotation 5, be favorable to further preventing that axis of rotation 5 from taking place to rock at the rotation in-process, improve the rotation stationarity of axis of rotation 5.

It should be noted that the outer side wall of the second sealing ring 16 and the connecting layer 18 are integrally formed, a plurality of hemispherical protrusions are uniformly arranged on the connecting layer 18, a plurality of grooves (not shown) are uniformly arranged on the inner side wall of the first sealing ring 11, and the hemispherical protrusions are matched with the grooves. Therefore, the second sealing ring 16 can be arranged inside the first sealing ring 11 by the adaptive installation of the hemispherical bulge and the groove, and the rotating shaft 5 can be limited and sealed in the cavity 2 by the mutual matching of the first sealing ring 11 and the second sealing ring 16, so that the rotating shaft 5 can be prevented from shaking during rotation; simultaneously axis of rotation 5 when the inside wall of second ring opening 17 internal rotation and second ring opening 17 produced hard contact, can drive second sealing ring 16 at 11 internal rotations of first sealing ring to it is spacing to be favorable to second sealing ring 16 enough to provide sealed to axis of rotation 5, avoids axis of rotation 5 to take place to rock when rotating, can avoid second sealing ring 16 to cause the hindrance to the rotation of axis of rotation 5 again.

Optionally, an annular limiting piece (not shown) is disposed on the bottom end of the first sealing ring 11, and the top end surface of the annular limiting piece contacts with the bottom end surface of the second sealing ring 16. Like this, the spacing piece of annular can provide the support in the bottom of second sealing ring 16, avoids second sealing ring 16 to break away from first sealing ring 11, makes second sealing ring 16 can provide spacing sealed to axis of rotation 5 better in the inside of first sealing ring 11, avoids axis of rotation 5 to take place to rock when rotating, improves its pivoted stationarity.

In order to better improve the mounting stability of the internal structure of the orifice 2 and avoid the occurrence of shaking, optionally, the top end surface of the ratchet 4 is in contact with the bottom end surface of the first sealing ring 11, and the top end surface of the first sealing ring 11 is in contact with the bottom end surface of the cushion pad 7. Like this, be favorable to reducing ratchet 4, first sealing ring 11 and blotter 7 connecting gap each other, thereby make ratchet 4, first sealing ring 11 and blotter 7 can install in accent 2 more firmly, be favorable to the one end of axis of rotation 5 to pass opening 8 and second accent 17 in proper order and with the bottom fixed connection of lug 6, make first sealing ring 11 and blotter 7 provide spacingly and sealed to axis of rotation 5, neither can hinder the rotation of axis of rotation 5, can reduce the inside vibration range of accent 2 again effectively, improve the rotation stationarity of axis of rotation 5.

It will be appreciated that, in order to better enable the rotation shaft 5 to be inserted in the second sealing ring 16 and the through opening 8, the second opening 17 and the through opening 8 are optionally arranged concentrically. Like this, can make the other end that axis of rotation 5 and ratchet 4 fixed connection's one end is relative pass opening 8 on second ring mouth 17 and the cushion 7 in proper order to with the bottom face fixed connection of lug 6, be convenient for axis of rotation 5 rotates better in second ring mouth 17 and opening 8.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (9)

1. A sealing device for an adjustable wrench is arranged inside the adjustable wrench, the adjustable wrench comprises a wrench body (1) and a ratchet wheel (4), a cavity opening (2) is formed in the top surface of the wrench body (1), a convex block (6) is arranged right above the cavity opening (2), and a rotating shaft (5) is fixedly connected to the bottom surface of the convex block (6); ratchet (4) adaptation is installed in accent (2), just the top surface of ratchet (4) with the bottom fixed connection of axis of rotation (5), its characterized in that still includes:

a buffer pad (7) arranged between the wrench body (1) and the lug (6);

sealing mechanism (9), set up in accent (2), just sealing mechanism (9) include first sealing (10) and second sealing (15), the lateral wall of first sealing (10) with the inside wall fixed connection of accent (2), just second sealing (15) set up in the inside of first sealing (10), and inject and be in first sealing (10) inboard is rotated, just axis of rotation (5) run through the central point of second sealing (15).

2. A sealing arrangement for a spanner wrench according to claim 1, wherein the first sealing portion (10) includes:

the top surface of the first sealing ring (11) is provided with a first ring opening (12) in a penetrating way, and the first ring opening (12) is matched with the second sealing part (15):

elastic sleeve (13), its inner wall with first sealing ring (11) are fixed mutually, just the lateral wall of elastic sleeve (13) is provided with draw-in groove (14), the inside wall of accent (2) is provided with gib block (3), gib block (3) with draw-in groove (14) cooperate.

3. A sealing arrangement for a spanner wrench according to claim 2, characterised in that the first sealing portion (10) and the second sealing portion (15) are each provided in a ring-shaped configuration.

4. A sealing device for a spanner wrench according to claim 2, wherein the number of the guide bars (3) is several and distributed in an array.

5. A sealing arrangement for a spanner wrench according to claim 4, characterized in that the guide strips (3) are made of an elastic material.

6. A sealing arrangement for an adjustable spanner according to claim 1, characterized in that the second sealing portion (15) comprises:

and the top surface of the second sealing ring (16) is provided with a second ring opening (17) in a penetrating way, and the second ring opening (17) is matched with the rotating shaft (5).

7. A sealing arrangement for a spanner wrench according to claim 6, characterised in that the outer side wall of the second sealing ring (16) is fixedly connected with a connection layer (18) for connection with the inner side wall of the first sealing portion (10).

8. A sealing arrangement for a spanner wrench according to any one of claims 1-7, wherein the wrench body (1) is provided with an annular abutment recess having a diameter greater than the diameter of the mouth (2), and the bottom of the cushion pad (7) is embedded in the annular abutment recess.

9. A sealing arrangement for a spanner wrench according to claim 8, wherein the cushion pad (7) has a through opening (8) formed through its top surface, and the through opening (8) is adapted to the rotation shaft (5).

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