CN208768695U - A kind of outdoor breeding rabbit drawing-in device - Google Patents

Abstract

The utility model relates to drawing-in device technical fields, and a kind of outdoor breeding rabbit drawing-in device is disclosed, including support plate, the bottom of the support plate are fixedly installed with vertical bar, the bottom end of vertical bar is connected with the first cylinder, is fixedly connected with cabinet at the top of support plate.Outdoor breeding rabbit drawing-in device, pass through fixture block, brace, pedal, diet disk, cooperation between through-hole and fixed link, when rabbit comes diet, rabbit foot guesses pedal, and then fixed link is driven to rise by fixture block, and then it is located at through-hole on same level straight line with curved pipe and diet disk, then foodstuff is just flowed out from tote box, consequently facilitating rabbit carries out diet, when rabbit does not eat, just it leaves, to drive fixed link to restore origin-location due to the elastic force of second spring, foodstuff is not flowing out at this time, and then prevent foodstuff waste, it also avoids other animals and robs food, also the cleaning and ground health of drawing-in device have been ensured.

Description

A kind of outdoor breeding rabbit drawing-in device

Technical field

The utility model relates to drawing-in device technical field, specially a kind of outdoor breeding rabbit drawing-in device.

Background technique

Drawing-in device is logical to be referred to colloquially as spreading scraper-trough conveyer, and drawing-in device refers to the revolution spreading installed in the kiln hood of shaft kiln Device, effect are on the charge level that the pellet from pan-pelletizer is equably sprinkling upon in kiln, and drawing-in device is usually also known as blanking machine, is Refer to the revolution dispersion device installed in the kiln hood of shaft kiln, the effect of drawing-in device is that raw material ball thin uniform layer is spread in kiln face On, to adapt to the needs of shaft kiln calcination.

Existing rabbit feeder is all an exposure to outside due to feeding the foodstuff of rabbit, when rabbit carries out diet, It is easy to trample on foodstuff, causes rabbit that cannot feed carefully since foodstuff is excessive, influence the effect of rabbit feed, and existing family On the outside, easy by birds etc., other animals eat up food exposure in rabbit feeder, thus it is proposed that a kind of outdoor feeding It grows with rabbit drawing-in device.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of outdoor breeding rabbit drawing-in device, has section The advantages that saving foodstuff, avoiding waste and is easy to carry solves existing rabbit feeder due to feeding the foodstuff of rabbit all Be an exposure to outside, when rabbit carries out diet, be easy to trample on foodstuff, due to foodstuff it is excessive and cause rabbit cannot carefully into Food influences the effect of rabbit feed, and the food exposure in existing rabbit feeder is on the outside, be easy by birds etc. other The problem of animal eats up.

(2) technical solution

To realize above-mentioned saving foodstuff, avoiding waste and portable purpose, the utility model provides following technical side Case: a kind of outdoor breeding rabbit drawing-in device, including support plate, the bottom of the support plate is fixedly installed with vertical bar, described The bottom end of vertical bar is connected with the first cylinder, and cabinet, the bottom of the cabinet wall are fixedly connected at the top of the support plate Portion is fixedly connected with fixed station, and tote box is fixedly installed at the top of the fixed station, and the top of the tote box is fixedly mounted There is feeding mouth, the top of the feeding mouth runs through cabinet and extends to the top of cabinet, passes through ring on the right side of the cabinet wall Shape set movable sleeve is connected to fixed link, and the positive bottom of fixed link is fixedly installed with fixture block, the left side of the cabinet upper surface Be fixedly installed with fixed block, the middle part of the fixed block is connected with case lid by the second rotarod activity, second bull stick it is outer Surface is equipped with torsional spring, is fixedly connected at the top of the top of the torsional spring and cover wall, the bottom end of the torsional spring and the top of cabinet Portion is fixedly connected, and handle is fixedly installed in the middle part of the case lid upper surface, and the right end of the case lid is fixedly connected with link block, The right side opening of the link block is equipped with card slot.

Preferably, the inside of first cylinder is equipped with transverse slat, and the bottom end of the vertical bar through the first cylinder and extends to The inside of first cylinder, the bottom end of the vertical bar are fixedly connected with the top of transverse slat, and the inside of first cylinder is equipped with first The top of spring, first spring is fixedly connected with the bottom end of transverse slat, the bottom end of first spring and the first cylinder lumen Bottom be fixedly connected, the bottom of first spring is fixedly connected with supporting leg.

Preferably, weep pipe is fixedly installed on the left of the tote box, the left end of the weep pipe through cabinet and is prolonged The left side of cabinet is extended to, the left end of the weep pipe is fixedly installed with switch, and the upper surface of the support plate is fixedly installed with drink Water pond, the left end of the weep pipe are located at the surface of drinking-water disk.

Preferably, the left and right side of the cabinet is fixedly installed with cross bar, and two cross bars are located at same level On straight line, the bottom of two cross bars is fixedly installed with hanging rod.

Preferably, the left and right ends of the support plate pass through the first rotarod activity and are connected with inclined plate, two inclined plates Length be equal to hanging rod bottom and arrive the distance between support plate upper surface, two inclined plates folder between support plate respectively Angle is 135 degree, and two positive bottom ends of inclined plate are fixedly installed with hanging buckle.

Preferably, the second cylinder is fixedly installed on the right side of the cabinet, the middle part of second cylinder inboard wall is by turning Axis is connected with brace, and with the left side of brace upper surface to contacting, the right end of the brace is fixed to be connected for the bottom end of the fixture block Pedal is connected to,

Preferably, diet disk is fixedly connected on the right side of the cabinet, the diet disk is located at the underface of cross bar, described Curved pipe is fixedly connected on the left of diet disk, the diet disk is located at the top of brace, and case is run through in the left end of the curved pipe The left end of body and the inside for extending to cabinet, the curved pipe is in contact with the right end of fixed link.

Preferably, fixed column, the middle part pivot bush unit of the fixed column are fixedly installed on the right side of the cabinet upper surface There is connecting rod, the left end of the connecting rod runs through fixed column and extends to the left side of fixed column, and the left end of the connecting rod is located at The inside of card slot, the outer surface of the connecting rod have been fixedly attached limit plate, and the limit plate is located at the right side of fixed column, described The outer surface of connecting rod be equipped with third spring, the third spring between fixed column and limit plate, the third spring It is fixedly connected on the right side of left end and fixed column, is fixedly connected on the left of the right end and limit plate of the third spring.

Preferably, the right side of the cabinet wall is flexibly connected by gag lever post and fixed link, and the gag lever post is located at ring The surface of shape set, the outer surface fixing sleeve of the fixed link are connected to circumferential collar set, and the annular sleeve ring set is located at gag lever post Between annular sleeve, the outer surface of the fixed link is equipped with second spring, and the second spring is located at gag lever post and circumferential collar Between set, the top of the second spring has the bottom of gag lever post to be fixedly connected, the bottom end of the second spring and circumferential collar The top of set is fixedly connected.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of outdoor breeding rabbit drawing-in device, and having following has Beneficial effect:

1, outdoor breeding rabbit drawing-in device, by between fixture block, brace, pedal, diet disk, through-hole and fixed link Cooperation, when rabbit comes diet, rabbit foot guesses pedal, and then drives fixed link to rise by fixture block, so make through-hole with Curved pipe and diet disk are located on same level straight line, and then foodstuff is just flowed out from tote box, consequently facilitating rabbit is drunk Food, when rabbit does not eat, just leaves, so that the elastic force due to second spring drives fixed link to restore origin-location, at this time foodstuff It is not flowing out, and then is preventing foodstuff waste, also avoiding other animals and rob food, also ensureing cleaning and the ground of drawing-in device Health.

2, outdoor breeding rabbit drawing-in device passes through matching between connecting rod, fixed block, the second bull stick and torsional spring Close, pull connecting rod just separate card slot with link block, due to the elastic force of torsional spring, just quickly case lid is flicked, so be convenient for pair Tote box carries out plus eats or change food, to ensure that drawing-in device can efficiently replace foodstuff in time, and then ensures rabbit foodstuff Freshness.

3, outdoor breeding rabbit drawing-in device, by vertical bar, the first cylinder, supporting leg, transverse slat and the first spring it Between cooperation, make when drawing-in device is located at the meadow that is uneven, due to the elastic force of the first spring, prevent drawing-in device from inclining Tiltedly, to prevent drawing-in device from toppling over, and bottom is equipped with the first spring, is also prevented from when being placed on ground, it is possible to create vibration It is dynamic that foodstuff in drawing-in device is fallen out.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is enlarged drawing at A in the utility model structure chart 1；

Fig. 3 is enlarged drawing at B in the utility model structure chart 1；

Fig. 4 is enlarged drawing at C in the utility model structure chart 1；

Fig. 5 is enlarged drawing at D in the utility model structure chart 1.

In figure: 1 support plate, 2 vertical bars, 3 first cylinders, 4 supporting legs, 5 transverse slats, 6 first springs, 7 cabinets, 8 fixed stations, 9 Fixture block, 10 switches, 11 weep pipes, 12 cross bars, 13 hanging rods, 14 drinking-water disks, 15 first bull sticks, 16 inclined plates, 17 hanging buckles, 18 braces, 19 pedals, 20 annular sleeves, 21 curved pipes, 22 diet disks, 23 through-holes, 24 fixed links, 25 connecting rods, 26 tote boxes, 27 fixed blocks, 28 second bull sticks, 29 torsional springs, 30 case lids, 31 handles, 32 feeding mouths, 33 connecting tubes, 34 gag lever posts, 35 ring sets, 37 second cylinders, 38 shafts, 39 limit plates, 40 third springs, 41 fixed columns, 42 card slots, 43 link blocks.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-5, a kind of outdoor breeding rabbit drawing-in device, including support plate 1, the left and right ends of support plate 1 Inclined plate 16 is connected with by the first bull stick 15, the length of two inclined plates 16 is equal on hanging rod 13 bottom to support plate 1 The distance between surface, angle of two inclined plates 16 respectively between support plate 1 are 135 degree, and two inclined plates 16 are just The bottom end in face is fixedly installed with hanging buckle 17, and the bottom of support plate 1 is fixedly installed with vertical bar 2, and the bottom end of vertical bar 2 is connected with First cylinder 3, the inside of the first cylinder 3 are equipped with transverse slat 5, and the bottom end of vertical bar 2 through the first cylinder 3 and extends to the first cylinder 3 Inside, the bottom end of vertical bar 2 is fixedly connected with the top of transverse slat 5, and the inside of the first cylinder 3 is equipped with the first spring 6, the first spring 6 top is fixedly connected with the bottom end of transverse slat 5, and the bottom end of the first spring 6 is fixedly connected with the bottom of 3 inner cavity of the first cylinder, the The bottom of one spring 6 is fixedly connected with supporting leg 4, and the top of support plate 1 is fixedly connected with cabinet 7, and the right side of 7 inner wall of cabinet is logical It crosses gag lever post 34 and fixed link 24 is flexibly connected, gag lever post 34 is located at the surface of annular sleeve 20, and the outer surface of fixed link 24 is solid Surely it is socketed withRing set 35,Ring set 35Between gag lever post 34 and annular sleeve 20, the outer surface of fixed link 24 is equipped with second spring 36, second spring 36 is located at 34 He of gag lever postRing set 35Between, the top of second spring 36 has the bottom of gag lever post 34 is fixed to connect Connect, the bottom end of second spring 36 withRing set 35Top be fixedly connected, cabinet is fixedly installed with fixed column on the right side of 7 upper surface 41, the middle part movable sleeve of fixed column 41 is connected to connecting rod 25, passes through connecting rod 25, fixed block 27, the second bull stick 28 and torsional spring 29 Between cooperation, pull connecting rod 25 separate card slot 42 with link block 43, due to the elastic force of torsional spring 29, just quickly by case lid 30 flick, and then convenient for carrying out plus eating to tote box 26 or change food, to ensure that drawing-in device can efficiently replace food in time Material, and then ensure the freshness of rabbit foodstuff, the left end of connecting rod 25 runs through fixed column 41 and extends to the left side of fixed column 41, The left end of connecting rod 25 is located at the inside of card slot 42, and the outer surface of connecting rod 25 has been fixedly attached limit plate 39, and limit plate 39 In the right side of fixed column 41, the outer surface of connecting rod 25 is equipped with third spring 40, and third spring 40 is located at fixed column 41 and limit Between plate 39, the left end of third spring 40 is fixedly connected with the right side of fixed column 41, the right end and limit plate 39 of third spring 40 Left side be fixedly connected, the right side of cabinet 7 is fixedly connected with diet disk 22, and diet disk 22 is located at the underface of cross bar 12, diet The left side of disk 22 is fixedly connected with curved pipe 21, and diet disk 22 is located at the top of brace 18, and cabinet 7 is run through in the left end of curved pipe 21 And the inside of cabinet 7 is extended to, the left end of curved pipe 21 is in contact with the right end of fixed link 24, and the right side of cabinet 7 is fixedly mounted There is the second cylinder 37, the middle part of 37 inner wall of the second cylinder is connected with brace 18, the bottom end of fixture block 9 and brace by shaft 38 The left side of 18 upper surfaces is fixedly connected with pedal 19 to contact, the right end of brace 18, and when rabbit comes diet, rabbit foot, which is guessed, to be stepped on Plate 19, and then drive fixed link 24 to rise by fixture block 9, and then through-hole 23 and curved pipe 21 and diet disk 22 is made to be located at same water On flat line, then foodstuff is just flowed out from tote box 26, is just left consequently facilitating rabbit carries out diet when rabbit does not eat, To drive fixed link 24 to restore origin-location due to the elastic force of second spring 36, foodstuff is not flowing out at this time, and then prevents grain Food waste, also avoids other animals and robs food, also ensured the cleaning and ground health of drawing-in device, the left side of cabinet 7 with Right side is fixedly installed with cross bar 12, and two cross bars 12 are located on same level straight line, the fixed peace in the bottom of two cross bars 12 Equipped with hanging rod 13, the bottom of 7 inner wall of cabinet is fixedly connected with fixed station 8, and the top of fixed station 8 is fixedly installed with tote box 26, The left side of tote box 26 is fixedly installed with weep pipe 11, and the left end of weep pipe 11 runs through cabinet 7 and extends to the left side of cabinet 7, The left end of weep pipe 11 is fixedly installed with switch 10, and the upper surface of support plate 1 is fixedly installed with drinking-water disk 14, a left side for weep pipe 11 End is located at the surface of drinking-water disk 14, and the top of tote box 26 is fixedly installed with feeding mouth 32, and case is run through on the top of feeding mouth 32 The right side at body 7 and the top for extending to cabinet 7,7 inner wall of cabinet is connected to fixed link 24, fixed link 24 by 20 movable sleeve of annular sleeve Positive bottom is fixedly installed with fixture block 9, and fixed block 27, the middle part of fixed block 27 are fixedly installed on the left of 7 upper surface of cabinet It is connected with case lid 30 by the second bull stick 28, the outer surface of the second bull stick 28 is equipped with torsional spring 29, the top of torsional spring 29 and case It is fixedly connected at the top of 30 inner wall of lid, the bottom end of torsional spring 29 is fixedly connected with the top of cabinet 7, and the middle part of 30 upper surface of case lid is solid Dingan County is equipped with handle 31, and the right end of case lid 30 is fixedly connected with link block 43, and the right side opening of link block 43 is equipped with card slot 42.

When work, connecting rod 25 is pulled first, separates card slot 42 with link block 43, due to the elastic force of torsional spring 29, just fastly Speed flicks case lid 30, and then convenient for carrying out plus eating to tote box 26 or change food, then card upper connecting rod 25, with hand by holding Drawing-in device is taken suitable position by handle 31, is then slowly put down, rabbit come diet when, rabbit foot guesses pedal 19, into And fixed link 24 is driven to rise by fixture block 9, and then through-hole 23 and curved pipe 21 and diet disk 22 is made to be located at same level straight line On, then foodstuff is just flowed out from tote box 26, it just leaves consequently facilitating rabbit carries out diet when rabbit does not eat, thus by Fixed link 24 is driven to restore origin-location in the elastic force of second spring 36, foodstuff is not flowing out at this time, next rabbit feed is waited, ?.

In conclusion outdoor breeding rabbit drawing-in device, by fixture block 9, brace 18, pedal 19, diet disk 22, leads to Cooperation between hole 23 and fixed link 24, when rabbit comes diet, rabbit foot guesses pedal 19, and then is driven admittedly by fixture block 9 Fixed pole 24 rises, and then is located at through-hole 23 on same level straight line with curved pipe 21 and diet disk 22, and then foodstuff is just from load It flows out, just leaves consequently facilitating rabbit carries out diet when rabbit does not eat, thus due to the bullet of second spring 36 in object case 26 Power drives fixed link 24 to restore origin-location, and foodstuff is not flowing out at this time, and then prevents foodstuff waste, also avoids other animals Food is robbed, has also ensured the cleaning and ground health of drawing-in device；By connecting rod 25, fixed block 27, the second bull stick 28 and turn round Cooperation between spring 29 pulls connecting rod 25 to separate card slot 42 with link block 43, due to the elastic force of torsional spring 29, just quickly will Case lid 30 flicks, and then convenient for carrying out plus eating to tote box 26 or change food, to ensure that drawing-in device can in time efficiently more Foodstuff is changed, and then ensures the freshness of rabbit foodstuff；Pass through vertical bar 2, the first cylinder 3, supporting leg 4, transverse slat 5 and the first spring 6 Between cooperation, make when drawing-in device is located at the meadow that is uneven, due to the elastic force of the first spring 6, prevent drawing-in device from sending out Raw inclination is also prevented from when being placed on ground to prevent drawing-in device from toppling over, and bottom is equipped with the first spring 6, may production Raw vibration falls out the foodstuff in drawing-in device；Existing rabbit feeder is solved due to feeding the foodstuff of rabbit all Be an exposure to outside, when rabbit carries out diet, be easy to trample on foodstuff, due to foodstuff it is excessive and cause rabbit cannot carefully into Food influences the effect of rabbit feed, and the food exposure in existing rabbit feeder is on the outside, be easy by birds etc. other The problem of animal eats up.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (9)

1. a kind of outdoor breeding rabbit drawing-in device, including support plate (1), it is characterised in that: the bottom of the support plate (1) It is fixedly installed with vertical bar (2), the bottom end of the vertical bar (2) is connected with the first cylinder (3), the top of the support plate (1) It is fixedly connected with cabinet (7), the bottom of cabinet (7) inner wall is fixedly connected with fixed station (8), the top of the fixed station (8) Portion is fixedly installed with tote box (26), is fixedly installed with feeding mouth (32) at the top of the tote box (26), the feeding mouth (32) top runs through cabinet (7) and extends to the top of cabinet (7), passes through annular sleeve on the right side of cabinet (7) inner wall (20) movable sleeve is connected to fixed link (24), and the positive bottom of the fixed link (24) is fixedly installed with fixture block (9), the cabinet (7) it is fixedly installed on the left of upper surface fixed block (27), the middle part of the fixed block (27) passes through the second bull stick (28) activity It is connected with case lid (30), the outer surface of second bull stick (28) is equipped with torsional spring (29), the top of the torsional spring (29) and case lid (30) it is fixedly connected, is fixedly connected at the top of the bottom end and cabinet (7) of the torsional spring (29), the case lid (30) at the top of inner wall It is fixedly installed in the middle part of upper surface handle (31), the right end of the case lid (30) is fixedly connected with link block (43), the company The right side opening for connecing block (43) is equipped with card slot (42).

2. a kind of outdoor breeding rabbit drawing-in device according to claim 1, it is characterised in that: first cylinder (3) inside is equipped with transverse slat (5), and the bottom end of the vertical bar (2) through the first cylinder (3) and extends to the interior of the first cylinder (3) The bottom end in portion, the vertical bar (2) is fixedly connected with the top of transverse slat (5), and the inside of first cylinder (3) is equipped with the first spring (6), the top of first spring (6) is fixedly connected with the bottom end of transverse slat (5), the bottom end and first of first spring (6) The bottom of cylinder (3) inner cavity is fixedly connected, and the bottom of first spring (6) is fixedly connected with supporting leg (4).

3. a kind of outdoor breeding rabbit drawing-in device according to claim 1, it is characterised in that: the tote box (26) Left side be fixedly installed with weep pipe (11), the left end of the weep pipe (11) is through cabinet (7) and extends to the left sides of cabinet (7) The left end of side, the weep pipe (11) is fixedly installed with switch (10), and the upper surface of the support plate (1) is fixedly installed with drinking-water Disk (14), the left end of the weep pipe (11) are located at the surface of drinking-water disk (14).

4. a kind of outdoor breeding rabbit drawing-in device according to claim 1, it is characterised in that: the cabinet (7) Left and right side is fixedly installed with cross bar (12), and two cross bars (12) are located on same level straight line, two cross The bottom of bar (12) is fixedly installed with hanging rod (13).

5. a kind of outdoor breeding rabbit drawing-in device according to claim 1, it is characterised in that: the support plate (1) Left and right ends pass through the first bull stick (15) and be connected with inclined plate (16), the length of two inclined plates (16) is equal to extension Bar (13) bottom is the distance between to support plate (1) upper surface, two inclined plates (16) folder between support plate (1) respectively Angle is 135 degree, and two positive bottom ends of the inclined plate (16) are fixedly installed with hanging buckle (17).

6. a kind of outdoor breeding rabbit drawing-in device according to claim 1, it is characterised in that: the cabinet (7) Right side is fixedly installed with the second cylinder (37), and the middle part of the second cylinder (37) inner wall is connected with tiltedly by shaft (38) To contact, the right end of the brace (18) is fixed to be connected for bar (18), the bottom end of the fixture block (9) and the left side of brace (18) upper surface It is connected to pedal (19).

7. a kind of outdoor breeding rabbit drawing-in device according to claim 1, it is characterised in that: the cabinet (7) Right side is fixedly connected with diet disk (22), and the diet disk (22) is located at the underface of cross bar (12), the diet disk (22) Left side is fixedly connected with curved pipe (21), and the diet disk (22) is located at the top of brace (18), a left side for the curved pipe (21) End runs through cabinet (7) and extends to the inside of cabinet (7), and the left end of the curved pipe (21) connects with the right end of fixed link (24) Touching.

8. a kind of outdoor breeding rabbit drawing-in device according to claim 1, it is characterised in that: on the cabinet (7) It is fixedly installed on the right side of surface fixed column (41), the middle part movable sleeve of the fixed column (41) is connected to connecting rod (25), described The left end of connecting rod (25) runs through fixed column (41) and extends to the left side of fixed column (41), the left end position of the connecting rod (25) It has been fixedly attached limit plate (39) in the outer surface of the inside of card slot (42), the connecting rod (25), limit plate (39) position In the right side of fixed column (41), the outer surface of the connecting rod (25) is equipped with third spring (40), third spring (40) position Between fixed column (41) and limit plate (39), the fixed company in the left end of the third spring (40) and the right side of fixed column (41) It connects, is fixedly connected on the left of the right end of the third spring (40) and limit plate (39).

9. a kind of outdoor breeding rabbit drawing-in device according to claim 1, it is characterised in that: in the cabinet (7) The right side of wall by gag lever post (34) and fixed link (24) flexible connection, the gag lever post (34) be located at annular sleeve (20) just on Side, the outer surface fixing sleeve of the fixed link (24) are connected to ring set (35), and the ring set (35) is located at gag lever post (34) and annular It covers between (20), the outer surface of the fixed link (24) is equipped with second spring (36), and the second spring (36) is located at gag lever post (34) between ring set (35), the top of the second spring (36) has the bottom of gag lever post (34) to be fixedly connected, and described second The bottom end of spring (36) is fixedly connected with the top of ring set (35).