WO2019037590A1

WO2019037590A1 - Defensive grabbing glove

Info

Publication number: WO2019037590A1
Application number: PCT/CN2018/099004
Authority: WO
Inventors: 张野
Original assignee: 张野
Priority date: 2017-08-25
Filing date: 2018-08-06
Publication date: 2019-02-28

Abstract

Disclosed is a defensive grabbing glove. The defensive grabbing glove comprises a palm part (1) and a finger part (2), the palm part (1) and the finger part (2) being hinged by using a ratchet shaft mechanism (4) that causes the finger part (2) to rotate uni-directionally toward the palm so as to grip; the ratchet shaft mechanism (4) comprises a first palm ratchet wheel (41) and a finger ratchet wheel (42), which are coaxially parallel and cylindrical and for which ratchets of contact surfaces may engage; further comprised is a cylindrical connection shaft (43) and a spring (45); the first palm ratchet wheel (41) is horizontally connected to an upper end of the palm part (1) such that the first palm ratchet wheel (41) cannot rotate, and the finger ratchet wheel (42) is horizontally connected to a lower end of the finger part (2) such that the finger ratchet wheel (42) cannot rotate but may move axially. The defensive grabbing glove facilitates the capture of suspects by engaging the contact surfaces of the palm ratchet wheel and the finger ratchet wheel so as to limit the finger part (2) to only be capable of rotating relative to the palm part (1) toward the direction of the palm, and thus escape is difficult; meanwhile, the connection shaft is further provided in fixed connection with the palm ratchet wheel such that pushing the connection shaft may drive the palm ratchet wheel to disengage from the finger ratchet wheel, and thus loosening the defensive grabbing glove is simple and fast.

Description

Defense grip

Technical field

The invention relates to a defensive grip sleeve worn on a hand.

Background technique

At present, with the attention of the state to public safety, the demand for protective equipment by public security systems and aviation safety officers is becoming more and more urgent. When subduing a gangster, the hand plays a major role in the uniform of the gangsters, so the protection of the opponent is crucial. The existing gripping material is too soft or too rigid, and lacks flexibility to help the user protect the hand in the face of gangsters. Ministry and uniform gangsters, it is difficult to play a role in self-defense and escort.

The utility model patent of the applicant is disclosed on April 15, 2015, the patent number is ZL201420735935.X, and the publication number is 204259898U. The patent discloses a self-defense guard sleeve, including a palm sleeve, and is hinged with the upper palm sleeve. The lower palm sleeve has a marble shaft in the upper palm sleeve, a plurality of marbles in the marble shaft, and a marble groove in the lower palm sleeve, the marble groove has a slope obliquely carved from the inner wall surface of the sleeve, and the depth of the slope is along the upper palm sleeve When the stitching is closed, the direction of rotation of the pinion shaft is gradually increased in a stepwise manner. The grip protects the hand and subdues the gangsters. It can be switched between closing and opening, and can not be rotated when closed. It can prevent the gangsters from breaking free without the use of force, and achieve self-defense and escort functions. However, the gripping force of the gripper hinged by the bullet shaft is not strong enough.

Summary of the invention

The technical problem to be solved by the present invention is to provide a defensive grip that is strong in grasping force and difficult to be broken off.

In order to solve the above technical problem, the present invention provides a defensive grip sleeve comprising a palm portion and a finger portion, and a ratchet shaft mechanism between the palm portion and the finger portion for rotating the finger portion in a single direction to the inner side of the palm; The pinion mechanism includes a coaxial side-by-side cylindrical, contact surface ratchet-engageable first palm ratchet and finger ratchet, and a cylindrical connecting shaft and a spring; the first palm ratchet is non-rotatably laterally connected The upper end of the palm portion, the finger ratchet is non-rotatable, and is axially movable to be connected laterally to the lower end of the finger portion; the connecting shaft is a stepped shaft, and is composed of a large outer diameter unlocking button and a small outer diameter horizontal axis. The horizontal axis is connected to the finger ratchet after passing through the first palm ratchet; the spring sleeve is in a compressed state on the horizontal axis between the unlocking button and the first palm ratchet to engage the contact surface of the first palm ratchet and the finger ratchet Pressing the unlock button pushes the finger ratchet to disengage the contact surface of the first palm ratchet and the finger ratchet. The contact between the finger portion and the palm portion can be freely rotated after the contact kneading.

In a preferred embodiment, the palm portion main body is a palm sleeve corresponding to the palm position and can be sleeved on the palm; the middle portion of the palm top end of the palm back is integrally provided with a cylindrical portion protruding toward the finger portion and the left and right direction. a palm ratchet sleeve; the finger portion can be wrapped on the back of the finger lower hand, and the left and right sides of the bottom end are integrally provided with a left-right cylindrical shaft and a shaft-shaped button sleeve and fingers respectively protruding toward the palm portion. a ratchet sleeve; the first palm ratchet is non-rotatably sleeved in the first palm ratchet sleeve, and the finger ratchet is non-rotatable, but axially reciprocally sleeved in the finger ratchet sleeve; The horizontal axis passes through the button sleeve, the first palm ratchet, the first palm ratchet sleeve, and is inserted into the finger ratchet sleeve and the finger ratchet is connected, and the spring is located in the button sleeve.

Preferably, the first palm ratchet is a two-section coaxial step cylinder, one is a boss cylinder having a large outer diameter, and the other is a ratchet cylinder having a small outer diameter, and the ratchet cylinder is inserted in an appropriate manner. In the first palm ratchet sleeve, the boss cylinder is stuck outside the first palm ratchet sleeve; the boss cylinder is provided with a support platform, and the spring is located between the unlock button and the support platform.

Preferably, the left end of the first palm ratchet sleeve is provided with two oppositely disposed first fixed tooth slots perpendicular to the axial direction from the left end of the first palm ratchet sleeve facing the right; At the right end of the boss cylinder facing the right side, along the outer surface of the ratchet cylinder, there are two first shapes corresponding to the position of the first fixed tooth slot, which can be just inserted into the first fixed tooth slot. Fixed teeth.

Preferably, the inner wall of the finger ratchet sleeve is provided with at least one positioning card slot extending from the right end surface of the finger ratchet sleeve and extending along the axis of the axis less than the length of the finger ratchet sleeve; the right end of the outer surface of the finger ratchet cylinder is provided There is at least one convex card, and the convex card is located in the positioning card slot and can move along the slot direction of the positioning card slot.

Preferably, the connecting shaft is fixedly coupled to the outer end surface of the finger ratchet and the finger ratchet by screws.

Preferably, the ratchet shaft mechanism is further provided with a clogging that restricts the sliding range of the finger ratchet to the outer end, the clogging being cylindrical and being tightly inserted from the right end surface of the finger ratchet sleeve.

Preferably, the bottom of the palm portion of the palm portion is provided with a wristband corresponding to the position of the wrist, and the wristband is a curved plate shape buckled on the back of the wrist, and each of the left and right ends of the wristband is provided with a wearing strap. The wristband is tightly attached to the strip-shaped through hole at the wrist of the person.

Preferably, the defensive grip includes a fingertip portion that integrally wraps four finger tips except the thumb, and the fingertip portion is bent at a fixed angle to the axial center of the hand at the junction with the finger portion.

Preferably, a middle portion of the top end of the finger portion of the finger portion is provided with a finger sleeve protruding upwardly with a through hole in the left and right direction, and two positioning pin holes are radially disposed on the finger sleeve, which are through holes; The left and right sides of the bottom part of the back part are respectively provided with a first shaft barrel and a second shaft tube which protrude downward and extend in the left-right direction on both sides of the finger bushing and have the same axis; the finger shaft provided with the long column structure is not Rotatingly fitting into the first shaft cylinder, the finger bushing and the second shaft cylinder; the middle of the finger shaft is provided with a positioning slot corresponding to the position of the two positioning pin holes on the finger sleeve, and is positioned through the positioning pin After the pin hole is connected, it is connected in the positioning slot.

Compared with the prior art, the defensive grip of the present invention is provided with a first palm ratchet connected to the palm portion, and a palm ratchet connected to the finger portion, and the finger joint of the first palm ratchet and the palm ratchet is used to restrict the finger portion. Relative to the palm part, it can only be rotated in the direction of the fist, which is convenient for catching the gangsters. It will not be easily broken off. It also has a fixed connection between the connecting shaft and the ratchet of the palm. The unlocking button that pushes the end of the connecting shaft can drive the ratchet of the palm and the first palm. The ratchet is disengaged and the defensive grip is easily and quickly released.

However, the above-mentioned defensive grip has the following problems: since the circumferential dimension of the ratchet is limited, the maximum number and minimum spacing of the ratchet are limited under the premise of ensuring the strength of the ratchet, so that the engagement precision of the ratchet of the palm and the ratchet of the finger is limited, resulting in limitation. The grip of the defensive grip is not high enough.

In order to solve the above technical problem, the present invention further provides a defensive grip, comprising a palm portion and a finger portion, wherein the palm portion and the finger portion are hinged by a ratchet shaft mechanism for rotating the finger portion in a single direction to the inner side of the palm; The ratchet shaft mechanism includes a stepped cylindrical connecting shaft, a spring and a cylindrical first finger ratchet, a second palm ratchet, and a second finger ratchet; the second palm ratchet is provided with ratchet teeth at both ends thereof, Non-rotatably laterally connected to the upper end of the palm portion, one end of the first finger ratchet and the second finger ratchet is provided with a ratchet, non-rotatably laterally connected to the lower end of the finger portion, and the second palm ratchet and the second finger ratchet are Axial reciprocating movement;

The connecting shaft is an integral part of an unlocking button having a large outer diameter and a horizontal axis having a small outer diameter; the horizontal axis sequentially passes through the first finger ratchet and the second palm ratchet and is connected to the second finger ratchet; The spring sleeve is in a compressed state on the horizontal axis between the unlocking button and the first finger ratchet, such that the first finger ratchet is in contact with one of the second palm ratchet, the second palm ratchet and the second finger ratchet When the ratchets mesh and the ratchets of the other set of contacts abut, when the finger portion is rotated along the palm portion, a set of ratchets are always engaged in the ratchet shaft mechanism.

Preferably, the tooth tips of the ratchet teeth at both ends of the second palm ratchet are horizontally aligned, and the first finger ratchet and the ratchet tooth of the second finger ratchet are offset by 1/2 ratchet, so that The first finger ratchet engages the ratchet of the second palm ratchet, the second palm ratchet and one of the contact faces of the second finger ratchet, and the ratchet teeth of the other set of contact surfaces abut.

Preferably, the horizontal axis is a stepped shaft provided with a step portion, and an outer end having a larger outer diameter is connected to the unlocking button; and an inner wall of the second palm ratchet is provided opposite to a stepped portion of the horizontal axis The annular ring is convex; a gap is reserved between the step of the horizontal axis and the longitudinal contact surface of the annular card.

Preferably, the palm portion main body is a palm sleeve corresponding to the position of the palm and can be sleeved on the palm; the middle portion of the top end of the palm sleeve hand is provided with a second palm that protrudes toward the finger portion and is cylindrical in the left and right direction. a ratchet sleeve; the finger portion can be wrapped on the back of the lower hand of the finger, and the left and right sides of the bottom end are respectively provided with a left-right cylindrical shaft and a shaft-shaped button sleeve and a finger ratchet sleeve protruding toward the palm portion. ;

The second palm ratchet is inserted into the second palm ratchet sleeve in a non-rotatable, axially reciprocating manner, and the first finger ratchet is non-rotatably inserted into the button sleeve, the first The two-finger ratchet is inserted into the finger ratchet sleeve in a non-rotatable manner, and is axially reciprocally movable; the unlocking button and the spring of the connecting shaft are located in the button sleeve.

Preferably, the second palm ratchet is provided with a positioning slot extending from one end of the second finger ratchet and extending along the axis to the other end, and the inner wall of the second palm ratchet sleeve is provided with a positioning inserting plate. The positioning card is inserted into the positioning slot, and a gap is reserved between the positioning slot and the longitudinal contact surface of the positioning card, so that the second palm ratchet can be in the second palm. The ratchet sleeve moves in the direction of the groove and defines a range of movement of the second palm ratchet.

Preferably, the second palm ratchet sleeve comprises a fixed sleeve disposed at a left-right distance from the middle of the top end of the palm back of the palm sleeve, and a second palm ratchet fixing member interposed between the two fixed sleeves. The positioning insert is disposed on an inner wall of the second palm ratchet fixing member.

Preferably, the opposite faces of the two fixing sleeves are respectively provided with two oppositely disposed second fixed tooth slots perpendicular to the axial direction; two sides of the second palm ratchet fixing member Two second fixed teeth corresponding to the shape of the second fixed tooth slot are respectively provided.

Preferably, the button sleeve and the inner wall of the finger ratchet sleeve are respectively provided with mirror-shaped positioning slots with the slots facing outward along the axis; the first finger ratchet and the second finger ratchet have no ratchet end. The outer surface is respectively provided with a positioning convex card, and the positioning convex card is inserted into the positioning card slot; the second finger ratchet can move outward along the groove direction of the positioning card slot.

Preferably, the side wall of the unlocking button is provided with a groove, and the inner wall of the button sleeve is provided with a corresponding protrusion of the groove, and the protrusion is disposed in the groove to limit the connecting shaft Positioning, at the same time, can limit the distance that the connecting axis is pushed right.

In a preferred embodiment, the horizontal axis is fixedly connected to the second finger ratchet by a screw passing through the outer end surface of the second finger ratchet; the ratchet shaft mechanism is further provided with a blockage for restricting the outward sliding range of the second finger ratchet. The occlusion is cylindrical and is tightly inserted from the outer end surface of the finger ratchet sleeve.

Compared with the prior design, the defensive grip of the present invention has the advantages that the defensive grip sleeve is provided with a second palm ratchet connected to the palm portion, a first finger ratchet and a second finger ratchet connected to the finger portion, and the The one-finger ratchet cooperates with the second palm ratchet, the second palm ratchet and the ratchet of one of the contact faces of the second finger ratchet, and the ratchet teeth of the other set of contact surfaces abut, and the spine of the finger portion is rotated along the palm portion, the spine The pinion mechanism always has a set of ratcheting teeth to achieve a more precise meshing state, that is, under the premise of satisfying the ratcheting strength, the ratcheting precision is improved, thereby improving the gripping precision of the defensive gripping sleeve and making the gripping tighter. More powerful, not easily broken.

DRAWINGS

1 is a schematic exploded view of a component of Embodiment 1 of the present invention.

2 is a schematic vertical cross-sectional view showing a first palm ratchet in Embodiment 1 of the present invention.

Fig. 3 is a structural schematic view showing the meshing state of the ratchet shaft mechanism in the first embodiment of the present invention.

Figure 4 is a cross-sectional view of the A-A of Figure 3 of the present invention.

FIG. 5 is a schematic diagram of a defensive grip in the second embodiment of the present invention.

Figure 6 is a schematic exploded view of the components of Embodiment 2 of the present invention.

Fig. 7 is an exploded perspective view showing the ratchet shaft mechanism in the second embodiment of the present invention.

Figure 8 is a schematic view showing the meshing state of the ratchet shaft mechanism in the second embodiment of the present invention.

Figure 9 is a vertical sectional view showing a ratchet shaft mechanism in a second embodiment of the present invention.

Figure 10 is a longitudinal cross-sectional view showing the connection structure of the ratchet shaft mechanism and the second palm ratchet sleeve, the button sleeve, and the finger ratchet sleeve in the second embodiment of the invention.

The reference numerals are as follows:

1-palm portion, 11-first palm ratchet sleeve, 111-first fixed tooth slot, 11a-second palm ratchet sleeve, 112-positioning insert, 113-fixing sleeve, 1131-second fixed tooth Card slot, 114-palm ratchet fixing, 1141-second fixed tooth, 12-brace, 13-palm sleeve, 14-thumb sleeve, 2-finger part, 21-button sleeve, 22-finger ratchet sleeve 211, 221-positioning card slot, 212-protrusion, 23-finger bushing, 231-positioning pin hole, 3-finger tip portion, 31-first shaft barrel, 32-second shaft tube, 4-ratchet Shaft mechanism, 41-palphael ratchet, 411-bolt cylinder, 412-ratchet cylinder, 413-first fixed tooth, 414-support platform, 42-finger ratchet, 421-convex card, 43-connected shaft, 431- Unlock button, 4311-groove, 432-horizon axis, 4321-step, 44-block, 45-spring, 46-first finger ratchet, 47-palrat ratchet, 471-ring card bump, 472-positioning slot 48-second finger ratchet, 461, 481-positioning convex card, 5-finger shaft, 51-positioning slot, 52-finger shaft right end, 6-positioning pin.

Detailed ways

Specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Example 1

As shown in FIG. 1-4, the defensive grip of the present embodiment is exemplified by a defensive grip that is worn by the right hand. The same applies to the defensive grips worn by the left hand. The defensive grip is a hard material that fits integrally with the shape of the hand and can be carried on the hand, and is pivotally connected only at the joint of the finger and the palm. The defensive grip includes a palm portion 1, a finger portion 2 and a fingertip portion 3. The palm portion 1 and the finger portion 2 are hinged by a ratchet shaft mechanism 4. When the ratchet teeth are engaged, the finger portion 2 can only be oriented in one direction. Rotation within the palm, the fingertip portion 3 and the finger portion 2 are preferably fixedly connected at an angle, or the fingertip portion 3 and the finger portion 2 are likewise connected by a ratchet shaft mechanism 4.

The ratchet shaft mechanism 4 includes a first palm ratchet 41 and a finger ratchet 42 that are coaxially arranged on a coaxial line, ratcheted at the contact surface, and further includes a cylindrical connecting shaft 43 and a spring 45.

The first palm ratchet 41 and the palm portion 1 are non-rotatably sleeved together, and the finger ratchet 42 and the finger portion 2 are movable and non-rotatably connected only in the axial direction, and the connecting shaft 43 includes a cylinder at one end. The unlocking button 431 having a large structure and a large circumferential diameter has a cylindrical structure at one end and a small diameter of the circumference, and is connected to the horizontal axis 432 of the finger ratchet 42 through the rear end of the first palm ratchet 41, and the spring 45 is placed on the horizontal axis. The 432 is in a compressed state between the unlocking button 431 and the first palm ratchet 41. In the free state, since the spring is pressed, the contact surface of the first palm ratchet 41 and the finger ratchet 42 is engaged, and the finger portion 2 and the palm are now engaged. The part 1 is rotated by the engagement of the first palm ratchet 41 and the finger ratchet 42 only in the direction of the inner grip of the palm, and the unlocking button 431 is pressed to push the finger ratchet 42 outward, so that the first palm ratchet 41 and the finger ratchet 42 can be The contact surface is disengaged, and the palm portion 1 and the finger portion 2 are freely rotated between the palm shaft portion 1 and the finger portion 2 as the shaft.

Specifically, on the palm portion 1, a wristband 12 corresponding to the position of the wrist is provided, and the palm sleeve 13 corresponding to the position of the palm can be placed on the palm of the hand, and the corresponding position of the thumb is provided to protect the thumb. The thumb sleeve 14 is provided with a thumb sleeve 14 to protect the thumb, or the thumb sleeve 14 is not provided, and the thumb sleeve 14 is not provided to make the thumb more flexible when grasping; the wrist 12 is a curved plate-shaped buckle on the back of the wrist. The left and right ends of the wristband 12 are each provided with a strip-shaped through hole, which can be inserted into the strap and the wristband 12 is tightly tied to the wrist of the person.

The palm sleeve 13 has a first palm ratchet sleeve 11 projecting toward the finger portion 2 at the middle of the top end of the back of the hand. The first palm ratchet sleeve 11 is cylindrical in the left-right direction, in order to prevent the first palm ratchet 41 from being In the inner rotation, the first palm ratchet sleeve 11 is disposed at one end of the thumb sleeve 14 at two opposite positions, and is recessed from the left end of the first palm ratchet sleeve 11 to the right and perpendicular to the axial direction. a fixed tooth slot 111, or not slotted, from the left end surface of the first palm ratchet sleeve 11 in the axial direction, and a concave first fixed tooth slot on the inner wall of the sleeve ( Not shown in the drawings), other rotation-preventing structures may be provided for the first palm ratchet to prevent rotation.

The finger portion 2 can be wrapped on the back of the middle finger of the finger, and only covers the back of the hand in the middle of the finger to make the grip more flexible, because the middle of the finger is a part where the finger joint of the person is turned, and the baffle in the middle of the finger can hinder the person from making a fist, so that Uncomfortable when grasping. The left and right sides of the bottom end of the finger portion 2 are respectively provided with a cylindrical, axially-concentric button sleeve 21 and a finger ratchet sleeve 22 that protrude toward the palm portion 1 and extend in the left-right direction, and the button sleeve 21 and The finger ratchet sleeve 22 is located on both sides of the first palm ratchet sleeve 11 and has the same axis, and the finger portion is passed through the button sleeve 21, the first palm ratchet sleeve 11 and the finger ratchet sleeve 22 through the ratchet shaft mechanism 4 2 and the palm portion 1 are hinged together, the button sleeve 21 is adjacent to the thumb sleeve 14, and the finger ratchet sleeve 22 is away from the thumb sleeve 14. The inner wall of the finger ratchet sleeve 22 is provided with three positioning slots 221 having the same circumferential spacing. The positioning slot 221 is open at the end face of the finger ratchet sleeve 22 away from the thumb sleeve 14 and extends along the axial direction of the finger ratchet sleeve 22. Less than the length of the finger ratchet sleeve 22, this is to guide the finger ratchet 42 to only reciprocate axially and to limit it.

As shown in FIG. 2, the first palm ratchet 41 is a two-section coaxial stepped cylinder integrally formed. The left side is a boss cylinder 411 having a large outer diameter, and the right side is a ratchet cylinder 412 having a small outer diameter; the ratchet circle is The cartridge 412 is inserted into the first palm ratchet sleeve 11 from left to right, and the boss cylinder 411 is stuck outside the first palm ratchet sleeve 11, facing the right at the right end of the boss cylinder 411, along the ratchet circle The outer surface of the cylinder 412 is provided with two first fixed teeth 413 corresponding to the position of the first fixed tooth slot 111. When the ratchet cylinder 412 is inserted into the first palm ratchet sleeve 11, the first fixed tooth 413 The inner diameter of the boss cylinder 411 can be just inserted into the first fixed tooth slot 111. The inner diameter of the boss cylinder 411 is larger than the inner diameter of the ratchet cylinder 412. Therefore, a support platform 414 is formed on the top surface of the ratchet cylinder 412 and the boss cylinder 411. A right-handed ratchet is provided on the right end surface of the ratchet cylinder 412. The finger ratchet 42 has a cylindrical shape extending in the left-right direction, and conforms to the outer diameter and the inner diameter of the ratchet cylinder 412, and a left-handed ratchet is provided on the left end surface of the finger ratchet 42. The ratchet teeth on the ratchet cylinder 412 and the ratchet teeth on the finger ratchet 42 can be engaged to form a ratchet mechanism that can only rotate in one direction after engagement, and the right end of the cylindrical outer surface of the finger ratchet 42 is provided with three equidistant distributions along the circumference. The convex card 421, the finger ratchet 42 is inserted into the finger ratchet sleeve 22 from the right side, and the convex card 421 is located in the positioning card slot 221, so that the finger ratchet 42 can only reciprocate axially along the positioning slot 221; the connecting shaft 43 includes The left end is a cylinder structure, a large diameter ring, and an unlocking button 431 adapted to the inner ring of the button sleeve 21, the right end is a cylindrical structure, the circumference diameter is small, and the ratchet cylinder 412 and the finger ratchet 42 inner diameter are adapted. The horizontal axis 432, the right end face of the finger ratchet 42 is closed, and only a through hole for the screw to pass through is provided at the center of the circle. The connecting shaft 43 is inserted through the spring 45 from the left side of the button sleeve 21, the button sleeve 21, and the first After the palm ratchet 41 (placed in the first palm ratchet sleeve 11), the horizontal axis 432 of the right end of the connecting shaft 43 is inserted into the finger ratchet 42 (placed in the finger ratchet sleeve 22), and the screw passes through the finger ratchet from right to left. 42 the hole of the right end surface is screwed on the right end surface of the horizontal axis 432, The connecting shaft 43 and the finger ratchet 42 are fixedly coupled together (as shown in FIG. 3 and FIG. 4); the spring 45 is disposed outside the horizontal axis 432 and is disposed in a compressed state between the right end surface of the unlocking button 431 and the supporting platform 414. Thus, the first palm ratchet 41 and the finger ratchet 42 are meshed together without an external force. Since the connecting shaft 43 is fixedly coupled to the finger ratchet 42, pressing the connecting shaft 43 to the right causes the finger ratchet 42 to move to the right, so that the first palm ratchet 41 and the finger ratchet 42 are disengaged.

Specifically, the first palm ratchet 41 is caught in the first fixed tooth slot 111 by the first fixed tooth 413, so that the first palm ratchet 41 and the palm portion 1 are always kept in a non-rotatable connection, and the finger ratchet 42 is passed through the convex card 421 card. In the positioning card slot 221, the finger portion 2 and the finger ratchet 42 are always kept in a non-rotatable connection. When the hand is gripped inward, the ratchet of the left end face of the finger ratchet 42 and the right end face of the first palm ratchet 41 makes the finger The portion 2 is rotated in the direction of the inward grip, and when the finger is desired to be opened, the ratchet teeth engaged with the left end surface of the finger ratchet 42 and the right end surface of the first palm ratchet 41 cannot be rotated; the connecting shaft 43 is fixedly connected with the finger ratchet 42 Pressing the unlock button 431 to the right will move the finger ratchet 42 to the right, so that the left end face of the finger ratchet 42 and the ratchet on the right end face of the first palm ratchet 41 are no longer engaged, and the hand can be opened; Pressing the button 431, the spring 45 resumes the elastic deformation. Based on the support platform 414, the connecting shaft 43 is tilted to the left, and the left end surface of the finger ratchet 42 and the ratchet teeth on the right end surface of the first palm ratchet 41 are re-engaged.

The ratchet shaft mechanism 4 also includes a plug 44. The plug 44 is cylindrical and is tightly inserted from the right end of the finger ratchet sleeve 22 to limit the range in which the finger ratchet 42 slides to the right, so as to prevent the convex card 421 on the finger ratchet 42 from being out of the range of the positioning slot 221 . The blockage 44 also shields the screw from aesthetics.

The finger portion of the finger portion 2 is provided with a finger bushing 23 having a left-right direction through hole protruding upwardly. The finger bushing 23 is provided with two positioning pin holes 231, and the positioning pin hole 231 is provided from the finger bushing 23 The outer surface communicates inwardly perpendicular to the axial direction to the hollow portion of the finger bushing 23.

The left and right sides of the bottom end of the fingertip portion 3 are respectively provided with a first shaft barrel 31 and a second shaft barrel 32 which protrude downward and extend in the left-right direction and have the same axis, the first shaft barrel 31 and the second shaft barrel 32 is located on both sides of the finger bushing 23 and has the same axis. The finger shaft 5 passes through the first shaft barrel 31, the finger bushing 23 and the second shaft barrel 32, and the fingertip portion 3 and the finger portion 2 are connected together. The shaft sleeve 31 is close to the thumb sleeve 14 and has a through hole structure. The second shaft barrel 32 is away from the thumb sleeve 14 and has a groove structure which is concave from the left to the right and is shaped to the right end of the finger shaft 5, away from the thumb sleeve 14 The end face is closed.

The fingertip portion 3 is a shape that integrally wraps four finger tips except the thumb, and is a portion that is stressed when the hand is gripped by the hand. The finger shaft 5 is the axis between the fingertip portion 3 and the finger portion 2, and the fingertip portion is 3 Bend a fixed angle to the direction of the palm, with a certain angle to make the fingers more convenient. Alternatively, a ratchet shaft mechanism 4 connection may be provided between the fingertip portion 3 and the finger portion 2 as with the finger portion 2 and the palm portion 1.

The finger shaft 5 is in the shape of a long cylinder, and the first barrel 31 and the second barrel 32 on the fingertip portion 3 are located on both sides of the finger sleeve 23 on the finger portion 2, and the finger shaft 5 passes through the first shaft barrel 31. a through hole, a through hole passing through the finger bushing 23, and finally inserted into the groove of the second shaft cylinder 32, and a positioning slot hole 51 corresponding to the position of the two positioning pin holes 231 on the finger bushing 23 is provided in the middle of the finger shaft 5, After the positioning pin 6 passes through the positioning pin hole 231 and is fixedly connected into the positioning slot 51, the specific positioning pin 6 is a knurled pin. In order to better align the positioning slot 51 on the finger shaft 5 with the position of the positioning pin hole 231, the finger shaft 5 is inserted into the second shaft barrel 32. The right end 52 portion of the finger shaft is designed to be other shapes that are not circular. Or the design is such that the notch in the axial direction of the edge shown in the cross section makes the section of the finger shaft 5 perpendicular to the axis not a completely circular shape, and the shape of the groove in the second barrel 32 is adapted to the shape of the right end 52 of the finger shaft. Moreover, the right end 52 of the finger shaft is not circular and can share the stress received by the positioning pin 6 when the finger is gripped. Further, the left end 51 of the finger shaft of the finger shaft 5 located in the first barrel 31 is designed to be larger than the diameter of the middle circumference of the finger shaft 5. The large incomplete circle facilitates the insertion of the finger shaft 5 from the left to the right. The shape of the through hole in the first barrel 31 is adapted to the shape of the left end 51 of the finger shaft. Similarly, the left end 51 of the finger shaft is not circular and can be shared. The stress that the positioning pin 6 receives when the finger is gripped.

In still another embodiment, the first palm ratchet 41 can be fixedly coupled to the finger portion 2 in reverse, and the finger ratchet 42 can be reversely coupled to the palm portion 1 only in the axial direction but non-rotatably connected together, again The function of the defensive grip sleeve described in the present invention can be realized.

Example 2

As shown in FIG. 5, the defensive grip of the present embodiment is exemplified by a defensive grip that is worn by the right hand. The same applies to the defensive grips worn by the left hand. The defensive grip is a hard material that fits the shape of the hand as a whole and can be worn on the hand, with a pivotal connection only at the finger and palm joints. The defensive grip includes a palm portion 1, a finger portion 2 and a fingertip portion 3. The palm portion 1 and the finger portion 2 are hinged by a ratchet shaft mechanism 4. When the ratchet teeth are engaged, the finger portion 2 can only be oriented in one direction. Rotation within the palm, the fingertip portion 3 and the finger portion 2 are preferably fixedly connected at an angle, or the fingertip portion 3 and the finger portion 2 are likewise connected by a ratchet shaft mechanism 4.

As shown in FIGS. 6-10, the ratchet shaft mechanism 4 includes a cylindrical connecting shaft 43, a spring 45 and a cylindrical first finger ratchet 46, a second palm ratchet 47, and a second finger ratchet 48, wherein The right end of the finger ratchet 46 is provided with a rightward ratchet, the left end of the second finger ratchet 48 is provided with a leftward ratchet, and the left end of the second palm ratchet 47 is provided to be engageable with the ratchet on the first finger ratchet 46. To the left ratchet, the right end of the second palm ratchet 47 is provided with a rightward ratchet that is engageable with the ratchet on the second finger ratchet 48. Specifically, the tooth tips of the ratchets at both ends of the second palm ratchet 47 are aligned in the axial direction, and the first finger ratchet 46 and the ratchet of the second finger ratchet 48 are offset by 1/2 ratchet to make the first finger ratchet 46 meshes with the ratchet teeth of one of the contact faces of the second palm ratchet 47, the second palm ratchet 47 and the second finger ratchet 48, and the ratchet teeth of the other set of contact faces abut, and the ratchet teeth mesh to form A ratchet mechanism that can only be rotated in one direction.

The second palm ratchet 47 and the upper end of the palm portion 1 are non-rotatable and reciprocally movable in the axial direction. The first finger ratchet 46 is non-rotatably coupled to the lower end of the finger portion 2, and the second finger ratchet 48 is non-rotatable. It is reciprocally movable in the axial direction to be coupled to the lower end of the finger portion 2. The connecting shaft 43 is integrally formed by a large outer diameter unlocking button 431 and a small outer diameter horizontal shaft 432. The horizontal axis 432 sequentially passes through the first finger ratchet 46 and the second palm ratchet 47 and is connected to the second finger ratchet 48. The spring 45 is placed between the unlocking button 431 and the first finger ratchet 46 in a compressed state on the horizontal axis 432. In the free state, the ratchet shaft mechanism 4 is always held at the first finger ratchet 46 due to the spring being pressed. Realizing the finger portion 2 along the palm portion 1 in a state in which the second palm ratchet 47, the second palm ratchet 47 and the second finger ratchet 48 engage with the ratchet teeth of one of the contact faces, and the ratchet teeth of the other set of contact surfaces abut. When rotating, there is always a set of ratchets that bite together to improve the precision of the ratcheting engagement, thereby improving the grip accuracy of the defensive grip, making the grip tighter and more powerful.

Further, the horizontal axis 432 is a stepped shaft provided with a step portion 4321, and the outer end having a larger outer diameter is connected to the unlocking button 431; the first finger ratchet 46 and the second palm ratchet 47 are rotatably sleeved at a larger outer diameter. On a horizontal axis, the second palm ratchet 48 is adapted to be rotatably sleeved on a horizontal axis having a smaller outer diameter. The inner wall of the second palm ratchet 47 is provided with an annular card protrusion 471 which can be opposite to the step portion 4321 of the horizontal axis 432; a gap is reserved between the step portion 4321 of the horizontal axis and the longitudinal contact surface of the annular card protrusion 471 to leave The distance separating the second palm ratchet from the second finger ratchet.

When the finger is to be opened, the unlock button 431 is pressed. Since the horizontal axis is coupled with the second finger ratchet, the horizontal axis 432 pushes the second finger ratchet 45 to be separated from the second palm ratchet 45, and the horizontal axis 432 moves. The step portion 4321 is placed on the annular card protrusion 471 of the inner wall of the second palm ratchet 47, thereby pushing the second palm ratchet 47 to be separated from the first finger ratchet 46 to release the ratchet of the ratchet shaft mechanism 4. When engaged and disengaged, the palm portion 1 and the finger portion 2 are freely rotated by the connecting shaft 43 as an axis. When the unlocking button 431 is released, the spring 45 resumes the elastic deformation. Based on the first finger ratchet end, the connecting shaft 43 is tilted to the left, and the second finger ratchet 48 and the second palm ratchet 47 and the second palm ratchet 47 are re-engaged. One of the first finger ratchets 46 engages and the other abuts.

Specifically, as shown in FIG. 6, a wristband 12 corresponding to the position of the wrist is provided on the palm portion 1, and the palm sleeve 13 corresponding to the position of the palm can be placed on the palm of the hand, and the thumb can be placed at the corresponding position of the thumb. Wrapped thumb sleeve 14 is set, thumb sleeve 14 is set to protect the thumb, or thumb sleeve 14 is not set, and thumb sleeve 14 is not provided to make the thumb more flexible when grasping; wristband 12 is curved plate shape The buckle is on the back of the wrist, and the left and right ends of the wristband 12 are respectively provided with a strip-shaped through hole, which can be put into the strap and the wristband 12 is tightly tied to the wrist of the person.

As shown in FIG. 6, the palm sleeve 13 has a second palm ratchet sleeve 11a protruding toward the finger portion 2 at the middle of the top end of the back of the hand. The second palm ratchet sleeve 11a is cylindrical in the left and right direction; in order to prevent the second palm ratchet 47 is rotated therein, as shown in FIG. 7, the second palm ratchet 47 is provided with a positioning slot 472 extending from one end close to the second finger ratchet 48 and extending along the axis to the other end, as shown in FIG. The inner wall of the second-hand palm ratchet sleeve 11a is provided with a positioning inserting plate 112, and the positioning inserting plate 112 is adaptively inserted into the positioning slot 472 to prevent the second palm ratchet from rotating in the second palm ratchet sleeve 11a; A gap is reserved between the slot 472 and the longitudinal contact surface of the positioning insert 112 such that the second palm ratchet 47 is movable in the slot direction within the second palm ratchet sleeve 11a and defines the range of movement of the second palm ratchet 47. In order to facilitate mold opening during production, as shown in FIG. 6, the second palm ratchet sleeve 11a includes a fixing sleeve 113 which is integrally formed with the center of the top end of the palm sleeve 13 and which is disposed at the left and right intervals, and is inserted into the two fixing sleeves. A second palm ratchet fixing member 114 between the cylinders 113 is disposed on an inner wall of the second palm ratchet fixing member 114. Specifically, two second fixed teeth 1141 are respectively disposed on two sides of the second palm ratchet fixing member 114, and the second fixed teeth 1141 on the two sides are respectively engaged with the opposite faces of the two fixing sleeves 113 and the second fixed The second fixed tooth slot 1131 is formed in a slot-like shape perpendicular to the axial direction, thereby connecting the second palm ratchet fixing member 114 and the fixed sleeve 113.

The finger portion 2 can be wrapped around the back of the middle finger of the finger, and only the back of the hand in the middle of the finger is wrapped to make the grip more flexible. The left and right sides of the bottom end of the finger portion 2 are integrally formed with a cylindrical button body 21 and a finger ratchet sleeve 22 which are convex toward the palm portion 1 and extend in the left-right direction. The button sleeve 21 and the finger ratchet sleeve 22 are located on both sides of the second palm ratchet sleeve 11a and have the same axis, and sequentially pass through the button sleeve 21, the second palm ratchet sleeve 11a and the finger ratchet sleeve through the ratchet shaft mechanism 4. After the barrel 22, the finger portion 2 and the palm portion 1 are hinged together, the button sleeve 21 is adjacent to the thumb sleeve 14, and the finger ratchet sleeve 22 is away from the thumb sleeve 14.

As shown in FIG. 6 , the inner sleeves of the button sleeve 21 and the finger ratchet sleeve 22 are respectively provided with three positioning

slots

211 and 221 arranged along the circumferential direction, and the slots of the

positioning slots

211 and 221 are outwardly arranged along the axis. The first finger ratchet 46 and the second finger ratchet 48 are respectively provided with three positioning

convex cards

461 and 481 for positioning on the outer surface of the end without the ratchet, and the positioning

convex cards

461 and 481 are inserted into the positioning card slot. In 211 and 221, the first finger ratchet 46 and the second finger ratchet 48 are prevented from rotating in the button sleeve 21 and the finger ratchet sleeve 22 respectively; meanwhile, the first finger ratchet 47 is defined not to be pushed in with the connecting shaft. The right finger is moved while the second finger ratchet 48 is reciprocally movable in the groove direction of the positioning card slot 221.

The horizontal axis 432 is fixedly coupled to the second finger ratchet 48 by screws through the outer end surface of the second finger ratchet 48; specifically, the right end surface of the second finger ratchet 48 is closed, and only the center of the circle is provided for the screw to pass through. The through hole, the connecting shaft 43 is inserted from the left side of the first finger sleeve 23 through the spring 45, the first finger ratchet 46 is placed at the joint between the first finger sleeve 23 and the second palm ratchet sleeve 11a, and the second palm ratchet After being placed in the second palm ratchet sleeve 11a, the right end of the connecting shaft 43 connecting the post 432 is inserted into the second finger ratchet 48 and built in the finger ratchet sleeve 22, and the screw passes through the right end of the second finger ratchet 48 from right to left. The through hole is screwed onto the right end surface of the horizontal shaft 432 to fixedly connect the connecting shaft 46 and the second finger ratchet 48 together, as shown in FIGS. 7-10. The side wall of the unlocking button 431 is provided with a recess 4311. The inner wall of the button sleeve 21 is provided with a corresponding protrusion 212. The protrusion 212 is disposed in the recess 4311 to limit the connecting shaft 43 and at the same time The distance by which the connecting shaft 43 is pushed to the right is defined. The ratchet shaft mechanism 4 further includes a blockage 44 which is cylindrical and is tightly inserted from the right end of the finger ratchet sleeve 22 to limit the range in which the second finger ratchet 48 slides to the right to avoid the second finger ratchet 48. The upper positioning convex card 481 is out of the range of the positioning card slot 221 . The blockage 44 also shields the screw from aesthetics.

As shown in FIG. 5-6, the finger portion of the finger portion 2 is provided with a finger sleeve 23 having a left-right direction through hole protruding upwardly. The finger sleeve 23 is provided with two positioning pin holes 231, and the positioning pin hole is provided. 231 from the finger bushing 23, the outer surface of the back of the hand communicates inwardly perpendicular to the axial direction to the hollow portion of the finger bushing 23.

The left and right sides of the bottom end of the fingertip portion 3 are respectively provided with a first shaft barrel 31 and a second shaft barrel 32 which are downwardly convex and extend in the left-right direction and have the same axial center, the first shaft barrel 31 and the second shaft The cylinder 32 is located on both sides of the finger bushing 23 and has the same axis. The finger shaft 5 passes through the first shaft barrel 31, the finger bushing 23 and the second shaft barrel 32, and the fingertip portion 3 and the finger portion 2 are connected together. The first shaft cylinder 31 is close to the thumb sleeve 14 and has a through hole structure. The second shaft cylinder 32 is away from the thumb sleeve 14 and has a groove structure which is concave from the left to the right and is adapted to the shape of the right end of the finger shaft 5, away from the thumb sleeve. The end face of 14 is closed.

Claims

A defensive grip sleeve comprising a palm portion (1) and a finger portion (2), characterized in that between the palm portion (1) and the finger portion (2), the finger portion (2) is rotated in a single direction into the palm of the hand The ratchet shaft mechanism (4) of the grip is hinged;

The ratchet shaft mechanism (4) includes a coaxial first side cylindrical, contact surface ratchet-engageable first palm ratchet (41) and a finger ratchet (42), and a cylindrical connecting shaft (43) And spring (45);

The first palm ratchet (41) is non-rotatably connected laterally to the upper end of the palm portion (1), and the finger ratchet (42) is non-rotatable and axially movable to be connected laterally at the lower end of the finger portion (2); the connecting shaft (43) The step shaft is integrally formed by a large unlocking button (431) having a large outer diameter and a horizontal axis (432) having a small outer diameter. The horizontal axis (432) is connected after passing through the first palm ratchet (41). To the finger ratchet (42); the spring (45) is placed on the horizontal axis (432) in a compressed state between the unlocking button (431) and the first palm ratchet (41) to make the first palm ratchet (41) Engaged with the contact surface of the finger ratchet (42), pressing the unlock button (431) pushes the finger ratchet (42) to disengage the contact surface of the first palm ratchet (41) from the finger ratchet (42).
The defensive grip according to claim 1, wherein the palm portion (1) is a palm sleeve (13) corresponding to the palm position and can be placed on the palm; the palm sleeve (13) back of the hand The top middle portion is integrally provided with a first palm ratchet sleeve (11) protruding in a left-right direction toward the finger portion (2); the finger portion (2) may be wrapped on the back of the finger lower hand, and the bottom portion thereof The left and right sides of the end are integrally provided with a left-right cylindrical shaft-shaped key sleeve (21) and a finger ratchet sleeve (22) protruding toward the palm portion (1);

The first palm ratchet (41) is non-rotatably sleeved in the first palm ratchet sleeve (11), and the finger ratchet (42) is non-rotatable but axially reciprocally sleeved on the finger ratchet sleeve Inside the tube (22);

The horizontal axis (432) passes through the button sleeve (21), the first palm ratchet (41), the first palm ratchet sleeve (11), and is inserted into the finger ratchet sleeve (22) and connected to the finger ratchet (42). The spring (45) is located in the button sleeve (21).
The defensive grip according to claim 2, wherein the first palm ratchet (41) is a two-section coaxial step cylinder, one of which is a boss cylinder (411) having a large outer diameter, and the other Cut into a ratchet cylinder (412) having a small outer diameter, the ratchet cylinder (412) is fitably inserted into the first palm ratchet sleeve (11), and the boss cylinder (411) is caught in the first palm ratchet sleeve ( 11) Outside; the boss cylinder (411) is provided with a support platform (414), and the spring (45) is located between the unlocking button (431) and the support platform (414).
The defensive grip according to claim 3, characterized in that: the left end of the first palm ratchet sleeve (11) is provided with two opposite positions, and the left end of the first palm ratchet sleeve (11) is concave toward the right. a first fixed tooth slot (111) perpendicular to the axial direction of the slot; at the right end of the boss cylinder (411) facing right, along the outer surface of the ratchet cylinder (412) is provided with two The fixed tooth slot (111) is correspondingly shaped and shaped to fit into the first fixed tooth (413) in the first fixed tooth slot (111).
The defensive grip according to claim 2, wherein the inner wall of the finger ratchet sleeve (22) is provided with at least one right end opening of the finger ratchet sleeve (22), and extends along the axis less than the finger ratchet sleeve. a positioning slot (221) of the length of the cylinder (22); at least one convex card (421) is disposed at a right end of the outer surface of the cylindrical ratchet (42), and the convex card (421) is located at the positioning card slot (221) Inside, it can move along the groove direction of the positioning card slot (221).
The defensive grip according to claim 2, characterized in that the connecting shaft (43) is fixedly coupled to the finger end of the finger ratchet (42) and the finger ratchet (42) by screws.
The defensive grip according to claim 1, wherein said ratchet shaft mechanism (4) is further provided with a blockage (44) for restricting a range of sliding of the finger ratchet (42) toward the outer end, said blockage (44) Cylindrical, tightly inserted from the right end of the finger ratchet sleeve (22).
The defensive grip according to claim 1, characterized in that: the palm portion (1) has a wrist (12) corresponding to the position of the wrist at the bottom of the back of the hand, and the wrist (12) is curved at the back of the wrist. The plate shape and the left and right ends of the wristband (12) are respectively provided with a strip-shaped through hole which can be attached to the wrist of the wrist by the wristband (12).
The defensive grip according to claim 1, wherein said defensive grip includes a fingertip portion (3) integrally wrapping four finger tips other than a thumb, said fingertip portion (3) being associated with a finger Part (2) of the joint is bent into a fixed angle for the axial center of the hand.
The defensive grip according to claim 9, wherein the finger portion (2) has a finger bushing (23) protruding upwardly from the top end of the hand, and a finger bushing (23). There are two positioning pin holes (231) in the radial direction, which are through holes;

The left and right sides of the bottom end of the back portion of the fingertip portion (3) are respectively provided with a first shaft barrel (31) and a second shaft which protrude downward and extend in the left-right direction on both sides of the finger bushing (23) and have the same axial center. a cylinder (32); a finger shaft (5) having a long cylindrical structure is non-rotatably adapted to penetrate into the first shaft cylinder (31), the finger bushing (23), and the second shaft cylinder (32);

a positioning slot (51) corresponding to the position of the two positioning pin holes (231) on the finger bushing (23) is disposed in the middle of the finger shaft (5), and passes through the positioning pin hole (231) through the positioning pin (6). The rear connection is in the positioning slot (51).
A defensive grip sleeve comprising a palm portion (1) and a finger portion (2), characterized in that between the palm portion (1) and the finger portion (2), the finger portion (2) is rotated in a single direction into the palm of the hand The ratchet shaft mechanism (4) is hinged; the ratchet shaft mechanism (4) includes a stepped cylindrical connecting shaft (43), a spring (45), and a cylindrical first finger ratchet (46), a second palm ratchet (47), a second finger ratchet (48); both ends of the second palm ratchet (47) are provided with ratchet teeth, which are non-rotatably connected laterally to the upper end of the palm portion (1), the first One end of the finger ratchet (46) and the second finger ratchet (48) is provided with a ratchet, non-rotatably laterally connected to the lower end of the finger portion (2), the second palm ratchet (47), and the second finger ratchet (48) Axial reciprocating movement;

The connecting shaft (43) is integrally formed by connecting an unlocking button (431) having a large outer diameter and a horizontal axis (432) having a small outer diameter; the horizontal axis (432) sequentially passes through the first finger ratchet (46), The second palm ratchet (47) is then coupled to the second finger ratchet (48); the spring (45) is placed on the horizontal axis (432) in a compressed state at the unlock button (431) and the first finger ratchet (46). Between the first finger ratchet (46) and the second palm ratchet (47), the second palm ratchet (47) and the ratchet teeth of one of the contact faces of the second finger ratchet (48), The ratchet teeth of the other set of contact surfaces abut each other, and when the finger portion (2) is rotated along the palm portion (1), a set of ratchet teeth are always engaged in the ratchet shaft mechanism (4).
A defensive grip according to claim 11, wherein the teeth of the ratchets of the second palm ratchet (47) are horizontally aligned, the first finger ratchet (46) and the second The ratchet wheel of the finger ratchet (48) is offset by 1/2 ratchet, such that the first finger ratchet (46) and the second palm ratchet (47), the second palm ratchet (47) and the second finger ratchet ( 48) The ratchets of one of the contact faces engage and the ratchets of the other set of contacts abut.
A defensive grip according to claim 11, wherein said horizontal axis (432) is a stepped shaft provided with a step portion (4321), and a larger outer diameter end and said unlocking button (431) Connected; the inner wall of the second palm ratchet (47) is provided with an annular card protrusion (471) that can be opposite to the step portion (4321) of the horizontal axis (432); the step portion of the horizontal axis (4321) A gap is reserved between the longitudinal contact faces of the annular card projections (471).
A defensive grip according to claim 13, wherein the palm portion (1) is a palm sleeve (13) corresponding to the palm position and can be placed on the palm; the palm sleeve (13) a middle portion of the top end of the back of the hand is provided with a second palm ratchet sleeve (11a) protruding toward the finger portion (2) in a left-right direction; the finger portion (2) can be wrapped on the back of the finger lower hand, and the bottom portion thereof The left and right sides of the end are respectively provided with a left and right cylindrical cylindrical button sleeve (21) and a finger ratchet sleeve (22) protruding toward the palm portion (1);

The second palm ratchet (47) is inserted into the second palm ratchet sleeve (11a) in a non-rotatable, axially reciprocating manner, and the first finger ratchet (46) is non-rotatably inserted In the button sleeve (21), the second finger ratchet (48) is non-rotatably and axially reciprocally inserted into the finger ratchet sleeve (22);

The unlocking button (431) and the spring (45) of the connecting shaft are located in the button sleeve (21).
A defensive grip according to claim 13, wherein said second palm ratchet (47) is provided with an opening from one end adjacent said second finger ratchet (48) and extending along the axis to the other end. a positioning slot (472), the inner wall of the second palm ratchet sleeve (11a) is provided with a positioning inserting plate (112), and the positioning inserting plate (112) is adaptively inserted into the positioning slot (472) a gap is reserved between the positioning slot (472) and the longitudinal contact surface of the positioning card (112) such that the second palm ratchet (47) is within the second palm ratchet sleeve (11a) Moving in the direction of the groove and defining the range of movement of the second palm ratchet (47).
A defensive grip according to claim 15, wherein said second palm ratchet sleeve (11a) comprises a fixed sleeve disposed at a right and left pitch integral with the middle portion of the top end of the palm rest (13). 113) and a second palm ratchet fixing member (114) interposed between the two fixing sleeves (113), the positioning inserting plate (112) being disposed on the second palm ratchet fixing member (114) The inner wall.
A defensive grip according to claim 16, wherein the opposite faces of the two fixing sleeves (113) are respectively provided with two opposite positions, which are perpendicular to the axial direction and have a trough shape. a fixed tooth slot (1131); two sides of the second palm ratchet fixing member (114) are respectively provided with two second fixed teeth corresponding to the position of the second fixed tooth slot (1131). 1141).
A defensive grip according to claim 13, wherein the inner sleeves of the button sleeve (21) and the finger ratchet sleeve (22) are respectively mirror-imaged, and the slots are outwardly oriented along the axis. Positioning the card slot (211, 221); the first finger ratchet (46) and the second finger ratchet (48) are provided with positioning convex cards (461, 481) respectively on the outer surface of the end without the ratchet, and the positioning convex card ( 461, 481) are inserted into the positioning card slot (211, 221); the second finger ratchet (48) can move outward along the slot direction of the positioning card slot (221).
The defensive grip according to claim 13, wherein the side wall of the unlocking button (431) is provided with a groove (4311), and the inner wall of the button sleeve (21) is provided with a groove corresponding to a protrusion (212), the protrusion (212) is disposed in the groove (4311) to limit the connection shaft (43), and can define the connection shaft (43) to be pushed rightward distance.
A defensive grip according to claim 13, wherein said horizontal axis (432) is fixedly coupled to the second finger ratchet (48) by a screw passing through the outer end surface of the second finger ratchet (48). The ratchet shaft mechanism (4) is further provided with a blockage (44) that limits the outward sliding range of the second finger ratchet (48), the blockage (44) being cylindrical, from the finger ratchet sleeve (22) The outer end face is tightly inserted.