阅读说明：本技术 非致命发射器 (Non-lethal emitter ) 是由 宋錡 莫建栋 赵鑫 于 2021-08-25 设计创作，主要内容包括：本发明涉及发射器技术领域,且公开了非致命发射器,包括枪管,所述枪管上设置有解锁机构,所述解锁机构包括支撑块四、支撑杆一、扭簧一、转动杆二,所述支撑块四的内壁与支撑杆一的外壁连接,所述支撑杆一的内壁与转动杆二的外壁连接,所述转动杆二的一端与扭簧一的一端连接,所述支撑块四的外壁与握把的外壁连接,所述支撑杆一的一端贯穿支撑块四的外壁延伸至支撑块四的内部,所述转动杆二的一端贯穿支撑杆一的外壁延伸至支撑杆一的外部,通过设置解锁机构,卡块卡入支撑块三中,完成上锁,达到了只需要向下按压支撑杆一即可对枪管进行解锁,使用者能够向枪管中加装弹药,方便简单易于操作的目的。(The invention relates to the technical field of transmitters and discloses a non-fatal transmitter which comprises a gun barrel, wherein an unlocking mechanism is arranged on the gun barrel, the unlocking mechanism comprises a support block four, a support rod one, a torsion spring one and a rotating rod two, the inner wall of the support block four is connected with the outer wall of the support rod one, the inner wall of the support rod one is connected with the outer wall of the rotating rod two, one end of the rotating rod two is connected with one end of the torsion spring one, the outer wall of the support block four is connected with the outer wall of a handle, one end of the support rod one penetrates through the outer wall of the support block four and extends to the inside of the support block four, one end of the rotating rod two penetrates through the outer wall of the support rod one and extends to the outside of the support rod one, through arranging the unlocking mechanism, a clamping block is clamped into the support block three to complete locking, the aim that the gun barrel can be unlocked only by pressing the support rod one downwards, a user can add ammunition into the gun barrel, convenient and simple and easy to operate.)

1. Non-lethal launcher, including barrel (1), its characterized in that: be provided with release mechanism (3) on barrel (1), release mechanism (3) are including supporting shoe four (301), bracing piece (302), torsional spring (303), two (304) of dwang, the inner wall of supporting shoe four (301) and the outer wall connection of bracing piece (302), the inner wall of bracing piece (302) and the outer wall connection of dwang two (304), the one end of dwang two (304) is connected with the one end of torsional spring (303).

2. The non-lethal transmitter of claim 1, wherein: the outer wall of the supporting block four (301) is connected with the outer wall of the handle (201), one end of the supporting rod one (302) penetrates through the outer wall of the supporting block four (301) and extends to the inside of the supporting block four (301), one end of the rotating rod two (304) penetrates through the outer wall of the supporting rod one (302) and extends to the outside of the supporting rod one (302), and one end of the torsion spring one (303) is connected with the inner wall of the supporting block four (301).

3. The non-lethal transmitter of claim 2, wherein: the release mechanism (3) further comprises a spring (305), a pull rope (306), a reel (307) and a rotating rod (308), one end of the spring (305) is connected with the outer wall of the first support rod (302), one end of the spring (305) is connected with the inner wall of the fourth support block (301), the outer wall of the first support rod (302) is connected with one end of the pull rope (306), one end of the pull rope (306) is connected with the outer wall of the reel (307), the pull rope (306) is wound on the reel (307), the inner wall of the reel (307) is connected with the outer wall of the third rotating rod (308), the outer wall of the third rotating rod (308) is connected with the inner wall of the fourth support block (301), and one end of the third rotating rod (308) penetrates through the outer wall of the reel (307) and extends to the outside of the reel (307).

4. The non-lethal transmitter of claim 3, wherein: the gun barrel (1) is provided with an auxiliary mechanism (2), the auxiliary mechanism (2) comprises a handle (201), a rubber pad (202), a laser lamp (203) and a first supporting block (204), the outer wall of the gun barrel (1) is connected with the outer wall of the handle (201), a groove is formed in the outer surface of the handle (201), the inner wall of the groove is connected with the outer wall of the rubber pad (202), the outer wall of the handle (201) is connected with the outer wall of the first supporting block (204), and the outer wall of the first supporting block (204) is connected with the outer wall of the laser lamp (203).

5. The non-lethal transmitter of claim 4, wherein: the outer wall of supporting shoe one (204) and the outer wall connection of dwang one (205), the outer wall of dwang one (205) and the inner wall connection of supporting shoe two (206), the outer wall that the one end of dwang one (205) runs through supporting shoe two (206) extends to the outside of supporting shoe two (206), the outer wall of supporting shoe two (206) and the outer wall connection of barrel (1), the outer wall and the outer wall connection of accurate heart (207) of barrel (1), the outer wall and the outer wall connection of supporting shoe three (208) of barrel (1), the outer wall and the inner wall connection of supporting shoe four (301) of supporting shoe three (208), the one end of supporting shoe three (208) runs through the outer wall of supporting shoe four (301) and extends to the inside of supporting shoe four (301).

6. The non-lethal transmitter of claim 5, wherein: be provided with fixed establishment (4) in four (301) of supporting shoe, fixed establishment (4) include bevel gear (401), bevel gear two (402), dwang four (403), bracing piece two (404), fixture block (405), slide bar (406), the inner wall of bevel gear one (401) and the outer wall connection of dwang three (308), the outer wall that bevel gear one (401) was run through to the one end of dwang three (308) extends to the outside of bevel gear one (401), bevel gear one (401) and bevel gear two (402) meshing.

7. The non-lethal transmitter of claim 6, wherein: the inner wall of bevel gear two (402) and the outer wall connection of dwang four (403), the outer wall that the one end of dwang four (403) runs through bevel gear two (402) extends to the inside of bevel gear two (402), the outer wall of dwang four (403) and the inner wall connection of bracing piece two (404), the outer wall that the one end of dwang four (403) runs through bracing piece two (404) extends to the outside of bracing piece two (404), the outer wall of bracing piece two (404) and the inner wall connection of bracing piece four (301).

8. The non-lethal transmitter of claim 7, wherein: the outer wall of one side of dwang four (403) sets up in the screw thread, the outer wall of dwang four (403) and the inner wall connection of fixture block (405), the outer wall that the one end of dwang four (403) runs through fixture block (405) extends to the inside of fixture block (405), the outer wall and the inner wall connection of supporting shoe three (208) of fixture block (405), the outer wall and the outer wall connection of slide bar (406) of fixture block (405), the outer wall and the inner wall connection of supporting shoe four (301) of slide bar (406).

Technical Field

The invention relates to the technical field of transmitters, in particular to a non-lethal transmitter.

Background

When the existing transmitter is used, the locking and unlocking process consumes long time, and the transmitting speed is influenced; a non-lethal transmitter is therefore required.

Disclosure of Invention

The present invention aims to provide a non-lethal transmitter, which solves the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: non-lethal transmitter, including the barrel, be provided with release mechanism on the barrel, release mechanism includes supporting shoe four, bracing piece one, torsional spring one, dwang two, the inner wall of supporting shoe four and the outer wall connection of bracing piece one, the inner wall of bracing piece one and the outer wall connection of dwang two, the one end of dwang two is connected with the one end of torsional spring one.

Preferably, the outer wall of the support block four is connected with the outer wall of the handle, one end of the first support rod penetrates through the outer wall of the support block four and extends to the inside of the support block four, one end of the second rotating rod penetrates through the outer wall of the first support rod and extends to the outside of the first support rod, and one end of the first torsion spring is connected with the inner wall of the support block four, so that the first torsion spring can drive the second rotating rod to reset.

Preferably, release mechanism still includes spring, stay cord, reel, dwang three, the one end of spring and the outer wall connection of bracing piece one, the one end of spring and the inner wall connection of supporting shoe four, the outer wall of bracing piece one is connected with the one end of stay cord, the one end of stay cord and the outer wall connection of reel, the stay cord is around establishing on the reel, the inner wall of reel and the outer wall connection of dwang three, the outer wall of dwang three and the inner wall connection of supporting shoe four, the outer wall that the reel was run through to the one end of dwang three extends to the outside of reel for the stay cord can drive the reel and rotate.

Preferably, the gun barrel is provided with an auxiliary mechanism, the auxiliary mechanism comprises a first handle, a rubber pad, a laser lamp and a first supporting block, the outer wall of the gun barrel is connected with the outer wall of the first handle, a groove is formed in the outer surface of the handle, the inner wall of the groove is connected with the outer wall of the rubber pad, the outer wall of the first handle is connected with the outer wall of the first supporting block, and the outer wall of the first supporting block is connected with the outer wall of the laser lamp, so that the handle can provide supporting force for the first supporting block.

Preferably, the outer wall of the first supporting block and the outer wall of the first rotating rod are connected, the outer wall of the first rotating rod and the inner wall of the second supporting block are connected, one end of the first rotating rod penetrates through the outer wall of the second supporting block and extends to the outside of the second supporting block, the outer wall of the second supporting block and the outer wall of the barrel are connected, the outer wall of the barrel is connected with the outer wall of the quasi-center, the outer wall of the barrel is connected with the outer wall of the third supporting block, the outer wall of the third supporting block and the inner wall of the fourth supporting block are connected, one end of the third supporting block penetrates through the outer wall of the fourth supporting block and extends to the inside of the fourth supporting block, and therefore the third supporting block can obtain supporting force.

Preferably, be provided with fixed establishment in the fourth supporting shoe, fixed establishment includes bevel gear one, bevel gear two, dwang four, bracing piece two, fixture block, slide bar, the inner wall of bevel gear one is connected with the outer wall of dwang three, the outer wall that the one end of dwang three runs through bevel gear one extends to the outside of bevel gear one, bevel gear one and two meshing of bevel gear for bevel gear one can drive bevel gear two and rotate.

Preferably, the inner wall of bevel gear two and the outer wall connection of dwang four, the outer wall that the one end of dwang four runs through bevel gear two extends to the inside of bevel gear two, the outer wall of dwang four and the inner wall connection of bracing piece two, the outer wall that the one end of dwang four runs through bracing piece two extends to the outside of bracing piece two, the outer wall of bracing piece two and the inner wall connection of supporting shoe four for bracing piece two can obtain the holding power.

Preferably, the outer wall of one side of the fourth rotating rod is in threaded arrangement, the outer wall of the fourth rotating rod is connected with the inner wall of the clamping block, one end of the fourth rotating rod penetrates through the outer wall of the clamping block and extends to the inside of the clamping block, the outer wall of the clamping block is connected with the inner wall of the third supporting block, the outer wall of the clamping block is connected with the outer wall of the sliding rod, the outer wall of the sliding rod is connected with the inner wall of the fourth supporting block, and therefore the sliding rod can limit the clamping block.

The present invention provides a non-lethal transmitter. The method has the following beneficial effects:

(1) the auxiliary mechanism is arranged, so that the side, close to the handle, of the gun barrel can be lifted for loading, the alignment center is additionally arranged on the upper surface of the gun barrel, a user can conveniently aim, and the aim of assisting the user in launching non-lethal ammunition is fulfilled.

(2) According to the invention, the unlocking mechanism is arranged, the clamping block is clamped into the third supporting block to complete locking, so that the gun barrel can be unlocked only by pressing the supporting rod downwards, a user can add ammunition into the gun barrel, and the purposes of convenience, simplicity and easiness in operation are achieved.

(3) According to the invention, the fixture block can move left and right by arranging the fixing mechanism, and the support rod II provides a support force for the rotating rod IV, so that the fixture block can fix the support block III, and the support block III can be firmly fixed in the support block IV.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a block diagram of the spring of the present invention;

FIG. 4 is a structural view of a third rotating rod of the present invention;

FIG. 5 is a structural view of a second rotating lever according to the present invention;

FIG. 6 is an enlarged view of invention A.

In the figure: 1 barrel, 2 auxiliary mechanism, 3 unlocking mechanism, 4 fixing mechanism, 201 handle, 202 rubber pad, 203 laser lamp, 204 supporting block I, 205 rotating rod I, 206 supporting block II, 207 centering, 208 supporting block III, 301 supporting block IV, 302 supporting rod I, 303 torsion spring I, 304 rotating rod II, 305 spring, 306 pull rope, 307 reel, 308 rotating rod III, 401 bevel gear I, 402 bevel gear II, 403 rotating rod IV, 404 supporting rod II, 405 clamping block and 406 sliding rod.

Detailed Description

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

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 6, the present invention provides a technical solution: the non-lethal launcher comprises a barrel 1, an unlocking mechanism 3 is arranged on the barrel 1, the unlocking mechanism 3 comprises a support block four 301, a support rod one 302, a torsion spring one 303 and a rotating rod two 304, the inner wall of the support block four 301 is in sliding connection with the outer wall of the support rod one 302, the inner wall of the support rod one 302 is fixedly connected with the outer wall of the rotating rod two 304, one end of the rotating rod two 304 is fixedly connected with one end of the torsion spring one 303, the outer wall of the support block four 301 is fixedly connected with the outer wall of a handle 201, one end of the support rod one 302 penetrates through the outer wall of the support block four 301 to extend into the interior of the support block four 301, one end of the rotating rod two 304 penetrates through the outer wall of the support rod one 302 to extend out of the support rod one 302, one end of the torsion spring one 303 is fixedly connected with the inner wall of the support block four 301, the unlocking mechanism 3 further comprises a spring 305, a pull rope 306, a reel 307 and a rotating rod three 308, one end of the spring 305 is fixedly connected with the outer wall of the support rod one 302, one end of a spring 305 is fixedly connected with the inner wall of the support block four 301, the outer wall of the support rod one 302 is fixedly connected with one end of a pull rope 306, one end of the pull rope 306 is fixedly connected with the outer wall of a winding wheel 307, the pull rope 306 is wound on the winding wheel 307, the inner wall of the winding wheel 307 is fixedly connected with the outer wall of a rotating rod three 308, one end of the rotating rod three 308 penetrates through the outer wall of the winding wheel 307 and extends to the outside of the winding wheel 307, the rotating rod three 308 is hinged with the support block four 301 through a torsion spring two, through the arrangement of an unlocking mechanism 3, one end, located in the support block four 301, of the supporting rod one 302 is upwards tilted so as to pull the pull rope 306 to move, the pull rope 306 moves so as to drive the winding wheel 307 to rotate, the winding wheel 307 drives the rotating rod three 308 to rotate, the rotating rod three 308 drives a bevel gear one 401 to rotate, so that a clamping block 405 moves from the support block three 208 to the support block four 301, accomplish the unblock, after the ammunition of dress, loosen bracing piece 302, drive bracing piece 302 under torsional spring 303, spring 305's combined action and reset to make fixture block 405 can block into supporting block three 208 once more, accomplish and lock, reached and only need press bracing piece 302 downwards and can carry out the unblock to barrel 1, the user can be to the additional ammunition of dress in barrel 1, the purpose of convenient simple easily operation.

The gun barrel 1 is provided with an auxiliary mechanism 2, the auxiliary mechanism 2 comprises a handle 201, a rubber pad 202, a laser lamp 203 and a first supporting block 204, the outer wall of the gun barrel 1 is in sliding connection with the outer wall of the handle 201, the outer surface of the handle 201 is provided with a groove, the inner wall of the groove is fixedly connected with the outer wall of the rubber pad 202, the outer wall of the handle 201 is fixedly connected with the outer wall of the first supporting block 204, the outer wall of the first supporting block 204 is fixedly connected with the outer wall of the laser lamp 203, the outer wall of the first supporting block 204 is fixedly connected with the outer wall of a first rotating rod 205, the outer wall of the first rotating rod 205 is movably connected with the inner wall of a second supporting block 206 through a bearing, one end of the first rotating rod 205 penetrates through the outer wall of the second supporting block 206 and extends to the outer part of the second supporting block 206, the outer wall of the second supporting block 206 is fixedly connected with the outer wall of the gun barrel 1, the outer wall of the gun barrel 1 is fixedly connected with the outer wall of a centering 207, the outer wall of the gun barrel 1 is fixedly connected with the outer wall of the third supporting block 208, the outer wall of the third supporting block 208 is connected with the inner wall of the fourth supporting block 301 in a sliding manner, one end of the third supporting block 208 penetrates through the outer wall of the fourth supporting block 301 and extends into the fourth supporting block 301, by arranging the auxiliary mechanism 2 and arranging the groove which is fit with the hand shape on the grip 201, the rubber pad 202 is arranged on the inner wall of the groove, so that the generator can be prevented from falling off due to the hand slip when a user uses the generator, the laser lamp 203 is additionally arranged on the first supporting block 204, so that a user can conveniently and roughly aim before launching, the first support block 204 provides a supporting force to the first rotating rod 205, and the first rotating rod 205 provides a supporting force to the second support block 206, so that the second support block 206 can rotate, thereby make barrel 1 be close to handle one side and can lift up and load the bullet, through the upper surface at barrel 1 installs the center additional, convenience of customers aims, has reached the purpose that the auxiliary user launches non-fatal ammunition.

A fixing mechanism 4 is arranged in the support block IV 301, the fixing mechanism 4 comprises a bevel gear I401, a bevel gear II 402, a rotating rod IV 403, a support rod II 404, a clamping block 405 and a sliding rod 406, the inner wall of the bevel gear I401 is fixedly connected with the outer wall of the rotating rod III 308, one end of the rotating rod III 308 penetrates through the outer wall of the bevel gear I401 and extends to the outside of the bevel gear I401, the bevel gear I401 is meshed with the bevel gear II 402, the inner wall of the bevel gear II 402 is fixedly connected with the outer wall of the rotating rod IV 403, one end of the rotating rod IV 403 penetrates through the outer wall of the support rod II 404 and extends to the inside of the bevel gear II 402, the outer wall of the rotating rod IV 403 is movably connected with the inner wall of the support rod II 404 through a bearing II, one end of the rotating rod IV 403 penetrates through the outer wall of the support rod II 404 and extends to the outside of the support rod II 404, the outer wall of the support rod II 404 is fixedly connected with the inner wall of the support block IV 301, and the outer wall of one side of the rotating rod IV 403 is in a threaded arrangement, the outer wall of the rotating rod four 403 is in threaded connection with the inner wall of the clamping block 405, one end of the rotating rod four 403 penetrates through the outer wall of the clamping block 405 and extends into the clamping block 405, the outer wall of the clamping block 405 is in sliding connection with the inner wall of the supporting block three 208, the outer wall of the clamping block 405 is fixedly connected with the outer wall of the sliding rod 406, the outer wall of the sliding rod 406 is in sliding connection with the inner wall of the supporting block four 301, through the arrangement of the fixing mechanism 4, the rotating rod three 308 rotates to drive the bevel gear one 401 to rotate, the bevel gear one 401 rotates to drive the bevel gear two 402 to rotate, the bevel gear two 402 drives the rotating rod four 403 to rotate, the outer wall of one side of the rotating rod four 403 is in threaded arrangement, so that the clamping block 405 is driven to rotate by the sliding rod 406, the clamping block 405 can move left and right, the supporting rod two 404 provides supporting force for the rotating rod four 403, and the clamping block 405 can fix the supporting block three 208, the purpose of enabling the support block three 208 to be securely fixed in the support block four 301.

When the gun barrel is used, the auxiliary mechanism 2 is arranged, the groove which is attached to a hand shape is formed in the handle 201, the rubber pad 202 is installed on the inner wall of the groove, so that a user can prevent the generator from falling off caused by the fact that the hand slides when using the gun barrel, the laser lamp 203 is additionally installed on the first supporting block 204, the user can conduct rough aiming before launching, supporting force is provided for the first rotating block 205 through the first supporting block 204, the first rotating block 205 provides supporting force for the second supporting block 206, the second supporting block 206 can rotate, the gun barrel 1 can be lifted up to be loaded on one side close to the handle, the user can conduct aiming conveniently by adding an aiming center on the upper surface of the gun barrel 1, the purpose of launching non-lethal ammunition by the auxiliary user is achieved, the unlocking mechanism 3 is arranged, the first supporting rod 302 is pressed downwards, one end of the first supporting rod 302 in the fourth supporting block 301 is tilted upwards, thereby pulling the pull rope 306 to move, the pull rope 306 moves to drive the reel 307 to rotate, the reel 307 drives the third rotating rod 308 to rotate, the third rotating rod 308 drives the first bevel gear 401 to rotate, thereby the fixture block 405 moves from the third supporting block 208 to the fourth supporting block 301, unlocking is completed, after ammunition is loaded, the first supporting rod 302 is loosened, the first supporting rod 302 is driven to reset under the combined action of the first torsion spring 303 and the spring 305, thereby the fixture block 405 can be clamped into the third supporting block 208 again, locking is completed, the aim of unlocking the barrel 1 only by pressing the first supporting rod 302 downwards is achieved, a user can add ammunition into the barrel 1, the purposes of convenience, simplicity and easiness in operation are achieved, through the arrangement of the fixing mechanism 4, the first bevel gear 401 is driven to rotate by the rotation of the third rotating rod 308, the second bevel gear 402 is driven to rotate by the rotation of the first bevel gear 401, and the fourth bevel gear 403 is driven to rotate by the second bevel gear 402, the outer wall thread of one side of the fourth 403 of dwang sets up to drive fixture block 405 and rotate, slide bar 406 is spacing to fixture block 405, makes fixture block 405 move about, and the second 404 of bracing piece provides the holding power for the fourth 403 of dwang, has reached and has made fixture block 405 to fix three 208 of supporting shoe, makes three 208 of supporting shoe can be by the firm purpose of fixing in four 301 of supporting shoe.

In conclusion, by arranging the auxiliary mechanism 2, a groove which is attached to a hand shape is formed in the handle 201, and a rubber pad 202 is arranged on the inner wall of the groove, so that a user can prevent the generator from falling off due to the fact that the user slides his hand when using the gun, by additionally arranging the laser lamp 203 on the first supporting block 204, the user can conveniently and roughly aim before launching, the first supporting block 204 provides supporting force for the first rotating rod 205, the first rotating rod 205 provides supporting force for the second supporting block 206, so that the second supporting block 206 can rotate, the gun barrel 1 can be lifted up to load ammunition on one side close to the handle, by additionally arranging an alignment center on the upper surface of the gun barrel 1, the user can aim conveniently, the purpose of assisting the user to launch non-lethal ammunition is achieved, by arranging the unlocking mechanism 3, by pressing the first supporting rod 302 downwards, one end of the first supporting rod 302 in the fourth supporting block 301 tilts upwards, thereby pulling the pull rope 306 to move, the pull rope 306 moves to drive the reel 307 to rotate, the reel 307 drives the third rotating rod 308 to rotate, the third rotating rod 308 drives the first bevel gear 401 to rotate, thereby the fixture block 405 moves from the third supporting block 208 to the fourth supporting block 301, unlocking is completed, after ammunition is loaded, the first supporting rod 302 is loosened, the first supporting rod 302 is driven to reset under the combined action of the first torsion spring 303 and the spring 305, thereby the fixture block 405 can be clamped into the third supporting block 208 again, locking is completed, the aim of unlocking the barrel 1 only by pressing the first supporting rod 302 downwards is achieved, a user can add ammunition into the barrel 1, the purposes of convenience, simplicity and easiness in operation are achieved, through the arrangement of the fixing mechanism 4, the first bevel gear 401 is driven to rotate by the rotation of the third rotating rod 308, the second bevel gear 402 is driven to rotate by the rotation of the first bevel gear 401, and the fourth bevel gear 403 is driven to rotate by the second bevel gear 402, the outer wall thread of one side of the fourth 403 of dwang sets up to drive fixture block 405 and rotate, slide bar 406 is spacing to fixture block 405, makes fixture block 405 move about, and the second 404 of bracing piece provides the holding power for the fourth 403 of dwang, has reached and has made fixture block 405 to fix three 208 of supporting shoe, makes three 208 of supporting shoe can be by the firm purpose of fixing in four 301 of supporting shoe.

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